PRUDENTIAL HOME MORTGAGE SECURITIES COMPANY INC
424B5, 1996-03-13
MORTGAGE BANKERS & LOAN CORRESPONDENTS
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<PAGE>
SUPPLEMENT
(TO PROSPECTUS DATED DECEMBER 3, 1992 AND PROSPECTUS SUPPLEMENT DATED DECEMBER
16, 1992)
 
THE PRUDENTIAL HOME MORTGAGE SECURITIES COMPANY, INC.                     [LOGO]
 
                                     SELLER
 
               MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 1992-47
        PRINCIPAL AND INTEREST PAYABLE MONTHLY, COMMENCING IN APRIL 1996
 
                    VARIABLE RATE(1) CLASS A-16 CERTIFICATES
                     (1) ON THE CLASS A-16 NOTIONAL AMOUNT
                           --------------------------
 
    The  Series 1992-47 Mortgage Pass-Through  Certificates (the "Series 1992-47
Certificates") are the Series 1992-47 Certificates described in the accompanying
Prospectus Supplement dated December 16, 1992 (the "Prospectus Supplement")  and
the  accompanying  Prospectus dated  December  3, 1992  (the  "Prospectus"). The
Series 1992-47 Certificates  consist of  one class of  senior certificates  (the
"Class A Certificates") and two classes of subordinated certificates (the "Class
M   Certificates"  and  "Class  B  Certificates,"  respectively).  The  Class  A
Certificates consist of eighteen subclasses (each, a "Subclass") of Certificates
designated as the Class A-1, Class A-2,  Class A-3, Class A-4, Class A-5,  Class
A-6,  Class A-7, Class A-8, Class A-9, Class A-10, Class A-11, Class A-12, Class
A-13, Class A-14, Class A-15, Class A-16, Class A-R and Class A-LR Certificates.
The Class M and Class B Certificates  are not divided into subclasses. Only  the
Class   A-16  Certificates  are   being  offered  hereby.   The  Series  1992-47
Certificates evidence in the aggregate the entire beneficial ownership  interest
in a trust fund (the "Trust Estate") established by The Prudential Home Mortgage
Securities  Company,  Inc. (the  "Seller")  and consisting  of  a pool  of fixed
interest rate, conventional, monthly pay, fully amortizing, one- to four-family,
residential first mortgage  loans having  original terms to  stated maturity  of
approximately  30 years  (the "Mortgage  Loans"), together  with certain related
property. Certain  of the  Mortgage Loans  may be  secured primarily  by  shares
issued  by cooperative housing corporations. The  Mortgage Loans are serviced by
The Prudential Home  Mortgage Company, Inc.  (in its capacity  as servicer,  the
"Servicer,"  otherwise "PHMC"). See  "Description of the  Mortgage Loans" herein
and in the Prospectus Supplement.
 
    PROSPECTIVE INVESTORS IN  THE CLASS  A-16 CERTIFICATES  SHOULD CONSIDER  THE
FACTORS DISCUSSED UNDER "RISK FACTORS AND SPECIAL CONSIDERATIONS" HEREIN ON PAGE
S1-3.
 
    The  credit  enhancement for  the  Series 1992-47  Certificates  is provided
through the  use of  a "shifting  interest" type  subordination, which  has  the
effect  of allocating all or a  disproportionate amount of principal prepayments
and other unscheduled receipts of principal  to the Class A Certificates for  at
least  nine  years  beginning  on  the  first  Distribution  Date.  See "Summary
Information--Credit Enhancement"  and "--Effects  of Prepayments  on  Investment
Expectations,"  "Description  of  the Certificates"  and  "Prepayment  and Yield
Considerations" in the Prospectus Supplement.
 
    THE YIELD  TO  MATURITY  OF  THE CLASS  A-16  CERTIFICATES  WILL  BE  HIGHLY
SENSITIVE  TO THE RATE AND TIMING  OF PRINCIPAL PAYMENTS (INCLUDING PREPAYMENTS)
ON THE  MORTGAGE  LOANS, WHICH  MAY  BE PREPAID  AT  ANY TIME  WITHOUT  PENALTY.
INVESTORS  SHOULD CONSIDER THE  ASSOCIATED RISKS THAT  A FASTER THAN ANTICIPATED
RATE OF  PRINCIPAL  PAYMENTS  (INCLUDING PREPAYMENTS)  ON  THE  MORTGAGE  LOANS,
PARTICULARLY  THOSE MORTGAGE LOANS WITH A  HIGHER RATE OF INTEREST, COULD RESULT
IN AN ACTUAL  YIELD THAT  IS LOWER  THAN ANTICIPATED AND  THAT A  RAPID RATE  OF
PAYMENTS  IN RESPECT  OF PRINCIPAL (INCLUDING  PREPAYMENTS) COULD  RESULT IN THE
FAILURE  OF  INVESTORS   TO  FULLY  RECOVER   THEIR  INITIAL  INVESTMENTS.   See
"Sensitivity  of the Pre-Tax Yield  and Weighted Average Life  of the Class A-16
Certificates" herein and "Description of the Certificates--Principal  (Including
Prepayments)"  and  "Prepayment  and  Yield  Considerations"  in  the Prospectus
Supplement and in the Prospectus.
                                                        (CONTINUED ON NEXT PAGE)
                           --------------------------
 
THESE SECURITIES DO NOT REPRESENT INTERESTS IN OR OBLIGATIONS OF THE PRUDENTIAL
   HOME MORTGAGE SECURITIES COMPANY, INC. OR ANY AFFILIATE THEREOF. NEITHER
       THESE SECURITIES NOR THE UNDERLYING MORTGAGE LOANS WILL BE INSURED
         OR GUARANTEED BY ANY GOVERNMENTAL AGENCY OR INSTRUMENTALITY.
                           --------------------------
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
      EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
     SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION
         PASSED UPON THE ACCURACY OR ADEQUACY OF THIS SUPPLEMENT, THE
         PROSPECTUS SUPPLEMENT OR THE PROSPECTUS. ANY REPRESENTATION
                     TO THE CONTRARY IS A CRIMINAL OFFENSE.
                           --------------------------
 
    The Class  A-16 Certificates  will be  purchased from  the Seller  by  Bear,
Stearns  & Co. Inc. (the  "Underwriter") and will be  offered by the Underwriter
from time  to time  to the  public in  negotiated transactions  or otherwise  at
varying  prices to be determined at the time of sale. The proceeds to the Seller
from the sale of the Class A-16 Certificates will be approximately 0.65% of  the
Pool  Scheduled  Principal Balance  as of  the Distribution  Date in  April 1996
without  giving  effect  to  partial   principal  prepayments  or  net   partial
liquidation  proceeds received on or after the Determination Date in March 1996,
plus accrued interest from March 1, 1996 to (but not including) March 14,  1996,
before  deducting expenses  payable by the  Seller estimated to  be $45,000. See
"Underwriting" herein.
 
    The Class A-16 Certificates are offered by the Underwriter subject to  prior
sale when, as and if delivered to and accepted by the Underwriter and subject to
certain other conditions. The Underwriter reserves the right to withdraw, cancel
or modify such offer without notice and to reject any order in whole or in part.
It is expected that the Class A-16 Certificates will be ready for delivery on or
about  March 14,  1996, at  the offices of  Bear, Stearns  & Co.  Inc., 245 Park
Avenue, New  York,  New York  10167,  against payment  therefor  in  immediately
available funds.
                           --------------------------
                            BEAR, STEARNS & CO. INC.
 
                                 MARCH 8, 1996
<PAGE>
(CONTINUED FROM PREVIOUS PAGE)
 
    The   Class  A-16  Certificates  may  not  be  appropriate  investments  for
individual investors.  The  Class  A-16  Certificates  are  offered  in  minimum
denominations  of $137,000,000 initial  Class A-16 Notional  Amount as described
herein under "Description of the Certificates." Except as set forth below, it is
intended that the Class A-16 Certificates not be directly or indirectly held  or
beneficially   owned  by  any   person  in  amounts   lower  than  such  minimum
denomination. The  Class A-16  Certificates  may be  transferred to  persons  in
amounts lower than the minimum denomination but only if any such person delivers
to  the Trustee an affidavit concerning certain matters related to the financial
sophistication  and  net  worth  of   such  person.  See  "Description  of   the
Certificates"  and  "Restrictions on  Transfer of  the Class  A-16 Certificates"
herein.
 
    There is currently no secondary market  for the Class A-16 Certificates  and
there  can be no assurance  that a secondary market will  develop or, if it does
develop, that it will provide Certificateholders with liquidity of investment at
any particular  time  or  for the  life  of  the Class  A-16  Certificates.  The
Underwriter  intends to act  as a market  maker in the  Class A-16 Certificates,
subject to applicable provisions of federal and state securities laws and  other
regulatory requirements, but is under no obligation to do so and any such market
making  may be  discontinued at  any time.  There can  be no  assurance that any
investor will be able to  sell a Class A-16 Certificate  at a price equal to  or
greater than the price at which such Certificate was purchased.
 
    Distributions  in respect of interest and of  principal are made on the 25th
day of each month or the next  succeeding business day to the holders of  record
of  the Class A-16 Certificates on the last business day of the preceding month,
to the extent that their allocable  portion of the Pool Distribution Amount  (as
defined  herein) is sufficient  therefor. On each  Distribution Date (as defined
herein), to the  extent funds  are available  therefor, the  amount of  interest
distributed  in respect of  the Class A-16 Certificates  will equal the interest
accrued during the applicable Regular Interest Accrual Period (as defined in the
Prospectus Supplement).  Interest  will  accrue  during  each  Regular  Interest
Accrual  Period on the Class A-16 Certificates at  a per annum rate equal to the
weighted average of the Net Mortgage  Interest Rates (as defined herein) of  the
Mortgage Loans as of the first day of such period minus 8.00%, on the Class A-16
Notional  Amount (as defined herein),  less any Non-Supported Interest Shortfall
(as defined in  the Prospectus  Supplement) and  other losses  allocable to  the
Class  A-16  Certificates  as  described  in  the  Prospectus  Supplement  under
"Description of  the Certificates--Interest."  The  Class A  Subclass  Principal
Balance  of the Class  A-16 Certificates as  of the Determination  Date in March
1996 will be approximately $1,000. The Class A Subclass Principal Balance as  of
the  Determination Date in  April 1996 will be  equal to such  balance as of the
Determination Date in March 1996 reduced  by the amount of any distributions  or
other   reductions  of  principal  on  the  Distribution  Date  in  March  1996.
Distributions in reduction of the principal balance of the Class A  Certificates
will  be made monthly on each Distribution  Date in an aggregate amount equal to
the Class  A  Principal  Distribution  Amount  (as  defined  in  the  Prospectus
Supplement).  Distributions in reduction of the principal balance of the Class A
Certificates each  month will  be  allocated among  the  Subclasses of  Class  A
Certificates  in  the  manner  described  in  the  Prospectus  Supplement  under
"Description   of   the   Certificates--Principal   (Including    Prepayments)."
Distributions  on  the  Class A-16  Certificates  will  be made  pro  rata among
Certificateholders of  such Subclass  based on  their Percentage  Interests  (as
defined in the Prospectus Supplement).
 
    This  Supplement does not  contain complete information  regarding the Class
A-16 Certificates and  should be read  only in conjunction  with the  Prospectus
Supplement  and the Prospectus. Sales of the  Class A-16 Certificates may not be
consummated unless the  purchaser has received  this Supplement, the  Prospectus
Supplement  and  the  Prospectus. Capitalized  terms  used herein  that  are not
otherwise defined shall  have the  meanings ascribed thereto  in the  Prospectus
Supplement or the Prospectus, as applicable.
 
    UNTIL  JUNE 10, 1996,  ALL DEALERS EFFECTING TRANSACTIONS  IN THE CLASS A-16
CERTIFICATES, WHETHER OR NOT PARTICIPATING IN THIS DISTRIBUTION, MAY BE REQUIRED
TO DELIVER THIS SUPPLEMENT, THE  PROSPECTUS SUPPLEMENT AND THE PROSPECTUS.  THIS
IS  IN ADDITION  TO THE  OBLIGATION OF DEALERS  TO DELIVER  THIS SUPPLEMENT, THE
PROSPECTUS SUPPLEMENT AND THE  PROSPECTUS WHEN ACTING  AS UNDERWRITERS AND  WITH
RESPECT TO THEIR UNSOLD ALLOTMENTS OR SUBSCRIPTIONS.
 
                                      S1-2
<PAGE>
                                    GENERAL
 
    The  following is  qualified in  its entirety  by reference  to the detailed
information appearing in the Prospectus  Supplement and in the Prospectus,  both
of  which should be read in  conjunction with this Supplement. Capitalized terms
used in  this Supplement  and not  otherwise defined  herein have  the  meanings
assigned  in  the Prospectus  Supplement  or in  the  Prospectus. See  "Index of
Significant Prospectus Supplement Definitions" in the Prospectus Supplement  and
"Index of Significant Definitions" in the Prospectus.
 
    The  Series 1992-47 Certificates were issued on December 22, 1992. The Class
A-16 Certificates were not offered to the public at the time of the issuance  of
the Series 1992-47 Certificates.
 
                    RISK FACTORS AND SPECIAL CONSIDERATIONS
 
YIELD CONSIDERATIONS
 
    The  yield  to maturity  of  the Class  A-16  Certificates will  be directly
related to the rate of payments of principal on the Mortgage Loans in the  Trust
Estate,  particularly with respect to those  Mortgage Loans with higher rates of
interest. The rate of principal payments on  the Mortgage Loans will in turn  be
affected  by  the amortization  schedules  of the  Mortgage  Loans, the  rate of
principal prepayments (including  partial prepayments and  those resulting  from
refinancing)  thereon by  mortgagors, liquidations of  defaulted Mortgage Loans,
repurchases  by  the  Seller  of  Mortgage  Loans  as  a  result  of   defective
documentation or breaches of representations and warranties, optional repurchase
by  the Seller of defaulted Mortgage Loans and optional purchase by the Servicer
of all of the  Mortgage Loans in  connection with the  termination of the  Trust
Estate. See "Description of the Mortgage Loans--Optional Repurchase of Defaulted
Mortgage  Loans" and "Pooling and  Servicing Agreement--Optional Termination" in
the Prospectus Supplement and "The Trust Estates--Mortgage Loans--Assignment  of
Mortgage  Loans to the  Trustee," "--Optional Repurchases"  and "The Pooling and
Servicing Agreement--Termination; Purchase of Mortgage Loans" in the Prospectus.
Mortgagors are permitted to prepay the Mortgage  Loans, in whole or in part,  at
any time without penalty.
 
    The  rate of payments (including prepayments)  on pools of mortgage loans is
influenced by a variety  of economic, geographic, social  and other factors.  If
prevailing  rates for  similar mortgage loans  fall below  the Mortgage Interest
Rates on the Mortgage Loans, the rate of prepayment would generally be  expected
to  increase. Conversely, if interest rates on similar mortgage loans rise above
the Mortgage Interest Rates on the Mortgage Loans, the rate of prepayment  would
generally be expected to decrease.
 
    The  yield to maturity on the Class A-16 Certificates may be affected by the
geographic concentration  of  the  Mortgaged Properties  securing  the  Mortgage
Loans.  As of February  16, 1996, Mortgaged Properties  located in the following
states secured at least 5.00% of  the Aggregate Unpaid Principal Balance of  the
Mortgage  Loans: California (56.00%), New York  (13.00%) and New Jersey (7.17%).
In recent years, California and several other regions in the United States  have
experienced  significant declines in housing prices. In addition, California, as
well as  certain other  regions, has  experienced natural  disasters,  including
earthquakes,  hurricanes  and  flooding,  which  may  adversely  affect property
values. Any direct damage to the Mortgaged Properties caused by such  disasters,
deterioration  in housing prices in California (and to a lesser extent the other
states in which the  Mortgaged Properties are located)  or the deterioration  of
economic  conditions  in such  regions which  adversely  affects the  ability of
borrowers to make payments on the Mortgage Loans may increase the likelihood  of
losses  on the  Mortgage Loans.  Such losses,  if they  occur, may  increase the
likelihood of liquidations and prepayments which  may have an adverse effect  on
the  yield to maturity of  the Class A-16 Certificates.  See "Description of the
Mortgage Loans" herein.
 
    AN INVESTOR THAT PURCHASES CLASS A-16 CERTIFICATES, WHICH ARE EXPECTED TO BE
OFFERED AT A SUBSTANTIAL  PREMIUM, SHOULD CONSIDER THE  RISK THAT A FASTER  THAN
ANTICIPATED  RATE OF PRINCIPAL PAYMENTS ON THE  MORTGAGE LOANS WILL RESULT IN AN
ACTUAL YIELD THAT IS LOWER THAN SUCH INVESTOR'S EXPECTED YIELD AND MAY RESULT IN
THE FAILURE  OF SUCH  INVESTOR  TO FULLY  RECOVER  ITS INITIAL  INVESTMENT.  See
"Sensitivity  of the Pre-Tax Yield  and Weighted Average Life  of the Class A-16
Certificates" herein and "Prepayment and Yield Considerations" in the Prospectus
Supplement.
 
RECENT DEVELOPMENTS AFFECTING THE SELLER AND SERVICER
 
    The Seller and  the Servicer are  each either a  direct or indirect,  wholly
owned  subsidiary of  Residential Services  Corporation of  America, which  is a
direct,  wholly  owned  subsidiary  of  The  Prudential  Insurance  Company   of
 
                                      S1-3
<PAGE>
America, a mutual insurance company organized under the laws of the State of New
Jersey  ("Prudential  Insurance").  On January  29,  1996,  Prudential Insurance
announced that it had entered into a definitive agreement (the "Sale Agreement")
to sell a substantial portion of its residential mortgage operations to  Norwest
Mortgage,  Inc., a California corporation ("Norwest Mortgage"), and Norwest Bank
Minnesota National Association, a  national banking association ("Norwest  Bank"
and, collectively with Norwest Mortgage, "Norwest"). In connection therewith, on
the  closing date  specified pursuant to  the Sale Agreement  (the "Sale Date"),
which is currently expected to be on  or about April 30, 1996, Norwest  Mortgage
will  acquire from the Servicer substantially  all of its assets and businesses,
other than certain mortgage loans and  the Servicer's right to service  mortgage
loans  underlying  series  of  mortgage  pass-through  certificates representing
interests in trusts formed by the Seller or by Securitized Asset Sales, Inc., an
affiliate of the Seller and the Servicer ("SASI"), including the Mortgage  Loans
in  the  Trust Estate,  and certain  other mortgage  servicing rights  (all such
servicing rights  collectively, the  "Retained Servicing").  It is  the  present
intention  of the Servicer to sell the  Retained Servicing, from time to time as
market  conditions  warrant,  in  one  or  more  transactions  to  one  or  more
purchasers,  which may  include Norwest  Mortgage, and  to effectively  exit the
mortgage loan origination and servicing business as of the Sale Date.
 
    In order to assure the performance of the Servicer's obligations as servicer
under the Pooling  and Servicing Agreement  as well as  under other pooling  and
servicing  agreements pursuant to which various  series of the Seller's mortgage
pass-through certificates were issued and other agreements pursuant to which the
Servicer performs Retained Servicing with  respect to mortgage loans  underlying
series  of mortgage  pass-through certificates representing  interests in trusts
formed by the  Seller or  SASI (each, a  "Servicing Agreement")  and under  each
other  agreement pursuant to which the Servicer performs Retained Servicing with
respect to  mortgage  loans  not  underlying  series  of  mortgage  pass-through
certificates  representing  interests in  trusts formed  by  the Seller  or SASI
(each, an "Other Servicing Agreement"),  the Servicer, Prudential Insurance  and
Norwest intend to enter into the following arrangements:
 
    1.   SUBSERVICING AGREEMENT.  The Servicer, Prudential Insurance and Norwest
Mortgage  will   enter  into   a  subservicing   agreement  (the   "Subservicing
Agreement"),  pursuant to which the Servicer  will delegate to Norwest Mortgage,
and Norwest Mortgage  will agree to  perform, all of  the Servicer's duties  and
obligations  as mortgage loan servicer under the Pooling and Servicing Agreement
and each  Servicing Agreement  and  Other Servicing  Agreement, other  than  the
Servicer's  duties with  respect to the  administration and  disposition of real
estate  acquired  upon  foreclosure,  which   latter  duties  will  remain   the
responsibility  of the Servicer with the particular functions to be delegated by
the Servicer to Prudential Asset Recovery, Inc., an affiliate of the Seller, the
Servicer, SASI and Prudential Insurance, or other third party contractors.  With
respect  to the Series  1992-47 Certificates, such  duties include collection of
mortgage payments,  maintenance  of tax  and  insurance escrows,  advancing  for
borrower  delinquencies and unpaid taxes, to  the extent required by the Pooling
and Servicing  Agreement, and  foreclosure or  other realization  activities  in
connection with defaulted Mortgage Loans.
 
    Under the Subservicing Agreement, Norwest Mortgage will be obligated to make
any principal and interest or other advances required to be made by the Servicer
under  the  Pooling and  Servicing  Agreement as  well  as under  each Servicing
Agreement or Other Servicing Agreement, provided that the aggregate unreimbursed
amount of such advances at any time  does not exceed $100 million. The  Servicer
will  be obligated  to reimburse  Norwest Mortgage  for the  amount of  any such
advances, plus interest, from its own funds. The Servicer will remain  obligated
under the Pooling and Servicing Agreement and each Servicing Agreement and Other
Servicing  Agreement for  all required  advances which  are not  made by Norwest
Mortgage for any reason. In order to provide for its obligation to make advances
after the  Sale  Date,  the Servicer  will  enter  into a  Loan  Agreement  with
Prudential  Funding Corporation, an affiliate of  the Seller, the Servicer, SASI
and Prudential Insurance ("Funding"), pursuant to which Funding will provide the
Servicer with a committed borrowing line (the "Loan Facility") in the amount  of
$40 million for the sole purpose of supporting advances required of the Servicer
under the Pooling and Servicing Agreement and Servicing Agreements. Although the
Servicer  expects that the combination  of Norwest Mortgage's advance obligation
under the  Subservicing Agreement  and the  Loan Facility  will be  adequate  to
provide  for the continuation  of all such  advances, there can  be no assurance
that such  mechanisms  will be  sufficient,  or that  after  the Sale  Date  the
Servicer will have sufficient other assets, to ensure that all required advances
will be made.
 
    The Servicer will pay Norwest Mortgage a portion of the Servicer's servicing
compensation  under the  Pooling and Servicing  Agreement for  its activities as
subservicer. The  Subservicing  Agreement will  have  an initial  term  of  five
 
                                      S1-4
<PAGE>
years from the Sale Date and may be extended for consecutive three year terms by
the  Servicer, at  its option, provided  that the Servicer  and Norwest Mortgage
agree, in the exercise of good faith, on the subservicing compensation for  each
such  renewal  term.  The  Subservicing  Agreement  will  be  terminable  by the
Servicer, from time to time, with respect to any Mortgage Loans as to which  the
Servicer arranges to sell the Retained Servicing.
 
    2.   CERTIFICATE  ADMINISTRATION AGREEMENT.   The Servicer  and Norwest Bank
will enter  into  an  agreement (the  "Certificate  Administration  Agreement"),
pursuant  to which the Servicer will delegate  to Norwest Bank, and Norwest Bank
will agree  to  perform, all  of  the  Servicer's obligations  with  respect  to
administrative   and  reporting  functions  under   the  Pooling  and  Servicing
Agreement. Such  duties include  calculation of  distributions, preparation  and
filing  of tax returns, preparation of  reports to investors and preparation and
filing of  periodic  reports under  the  Securities  Exchange Act  of  1934,  as
amended.
 
    The Subservicing Agreement and the Certificate Administration Agreement will
collectively  provide for the delegation of  substantially all of the Servicer's
duties and  obligations under  the Pooling  and Servicing  Agreement. While  the
Pooling  and Servicing Agreement  provides that the  Servicer will remain liable
for  its  obligations  thereunder  until  the  related  Retained  Servicing   is
transferred  in the manner permitted  thereby, from and after  the Sale Date the
Servicer is not  expected to  have any  servicing capability  or employees  with
which to perform such obligations.
 
    Under  the Pooling  and Servicing  Agreement, the  Seller is  required, with
respect to any Mortgage Loan found to have defective documentation or in respect
of which  the  Seller has  breached  a  representation or  warranty,  either  to
repurchase  such Mortgage  Loan or to  substitute a new  mortgage loan therefor.
Each such Mortgage Loan was, in turn,  acquired by the Seller from the  Servicer
pursuant  to an agreement under which the  Servicer is required to repurchase or
substitute for any such Mortgage Loan  so repurchased or substituted for by  the
Seller.  Although after  the Sale  Date the  Servicer will  continue to  own the
Retained Servicing,  the Servicer  intends  to sell  the Retained  Servicing  as
expeditiously  as  market  conditions  permit.  Accordingly,  there  can  be  no
assurance that  at any  time after  the Sale  Date the  Servicer will  have  any
material  assets with which to  satisfy such obligations to  the Seller. In such
event, the Seller  would be  unable to  fulfill its  repurchase or  substitution
obligations  under the Pooling and Servicing  Agreement. However with respect to
any Mortgage Loan subserviced pursuant to the Subservicing Agreement, Prudential
Insurance will  agree in  the Subservicing  Agreement to  provide the  funds  to
repurchase such Mortgage Loan.
 
    According to information provided by Norwest Mortgage, at December 31, 1995,
Norwest  Mortgage  was  the  nation's  largest  mortgage  originator  and  had a
servicing portfolio  of  more  than  $107 billion.  In  1995,  Norwest  Mortgage
originated  over $33 billion of residential mortgage loans. Headquartered in Des
Moines, Iowa, Norwest Mortgage has more than 700 loan production offices in  all
50  states.  While derived  from sources  believed to  be reliable,  neither the
Seller, the Servicer nor  the Underwriter makes  any representation or  warranty
regarding  the accuracy  or completeness  of the  information contained  in this
paragraph.
 
                                      S1-5
<PAGE>
                        DESCRIPTION OF THE CERTIFICATES
 
    The  Class  A-16   Certificates  will  be   offered  in  fully   registered,
certificated  form in minimum  denominations of $137,000,000  initial Class A-16
Notional Amount;  provided, however,  that the  Class A-16  Certificates may  be
issued in minimum denominations of $8,000,000 initial Class A-16 Notional Amount
to  persons who deliver  to the Trustee  an affidavit stating  that such person:
(a)(i) is a substantial, sophisticated, institutional investor having  knowledge
and  experience in  financial and  business matters,  and in  particular in such
matters related to securities similar to the Class A-16 Certificates, such  that
such  investor is capable of evaluating the merits and risks of an investment in
the Class A-16 Certificates, and (ii) has  a net worth of at least  $10,000,000;
or  (b) will  hold the Class  A-16 Certificates  solely as nominee  for a person
meeting the criteria set forth in clause (a). The Class A-16 Certificates may be
issued in any amounts in excess of  any such minimum denominations. The Class  A
Subclass   Principal  Balance  of   the  Class  A-16   Certificates  as  of  the
Determination Date  in March  1996 will  be approximately  $1,000. The  Class  A
Subclass   Principal  Balance  of   the  Class  A-16   Certificates  as  of  the
Determination Date  in April  1996  will be  equal to  such  balance as  of  the
Determination Date in March 1996 reduced by the amount of distributions or other
reductions of principal on the Distribution Date in March 1996.
 
    Distributions  of interest and in reduction  of principal balance to holders
of Class A-16 Certificates will be made monthly, to the extent of such Subclass'
entitlement thereto, on  the 25th day  of each month  or, if such  day is not  a
business  day, on  the succeeding  business day  (each, a  "Distribution Date"),
beginning in April 1996.
 
    Distributions (other than the final distribution in retirement of the  Class
A-16  Certificates, as described  in the Prospectus Supplement)  will be made by
check mailed to the address of the person entitled thereto as it appears on  the
Certificate  Register.  However,  with  respect  to  any  holder  of  Class A-16
Certificates evidencing at least a  25% Percentage Interest, distributions  will
be  made  on the  Distribution Date  by wire  transfer in  immediately available
funds, provided that the Servicer, or the  paying agent acting on behalf of  the
Servicer,  shall have  been furnished  with appropriate  wiring instructions not
less than seven business days prior to the related Distribution Date.
 
    The Class A-16 Certificates will be entitled to a distribution in respect of
interest accrued during each Regular Interest Accrual Period in an amount up  to
such  Subclass' Class A  Subclass Interest Accrual Amount.  The Class A Subclass
Interest Accrual Amount for the Class  A-16 Certificates will equal the  product
of  (i) 1/12th  of the difference  between (a)  the weighted average  of the Net
Mortgage Interest Rates of the Mortgage Loans (based on the Scheduled  Principal
Balances  of the Mortgage Loans as of  such Distribution Date) and (b) 8.00% and
(ii) the Class A-16 Notional Amount.
 
    The Class A Subclass Interest Accrual Amount for the Class A-16 Certificates
will be  reduced by  the portion  of (i)  any Non-Supported  Interest  Shortfall
allocable  to  such Subclass  and (ii)  the interest  portion of  Excess Special
Hazard Losses, Excess  Fraud Losses  and Excess Bankruptcy  Losses allocable  to
such  Subclass as described under "Description of the Certificates--Interest" in
the Prospectus Supplement.
 
    The "Net  Mortgage Interest  Rate" on  each Mortgage  Loan is  equal to  the
Mortgage  Interest Rate on such Mortgage Loan  as stated in the related Mortgage
Note minus the Servicing Fee rate of 0.20% per annum. See "Pooling and Servicing
Agreement--Servicing Compensation  and Payment  of Expenses"  in the  Prospectus
Supplement.
 
    The "Class A-16 Notional Amount" with respect to each Distribution Date will
be  equal to the Pool Scheduled Principal Balance, as defined under "Description
of  the  Certificates--Principal  (Including  Prepayments)"  in  the  Prospectus
Supplement,  as of such  Distribution Date. The Class  A-16 Notional Amount with
respect  to  the   Distribution  Date   in  February   1996  was   approximately
$124,505,585.  The Class A-16  Notional Amount with  respect to the Distribution
Date in April 1996 will be equal to the Class A-16 Notional Amount with  respect
to  the Distribution Date in February 1996, less the difference between the Pool
Scheduled Principal Balance with  respect to the  Distribution Date in  February
1996  and the Pool Scheduled Principal  Balance with respect to the Distribution
Date in April  1996. A  notional amount  does not  entitle a  holder to  receive
distributions  of principal on the basis of  such notional amount, but is solely
used for the purpose of computing the amount of interest accrued on a  Subclass.
The initial Class A-16 Notional Amount was approximately $275,211,590.
 
    Notwithstanding  anything  contained  in the  Prospectus  Supplement  or the
Prospectus to the contrary,  the "Pool Distribution  Amount" for a  Distribution
Date  will  be  the  sum  of  all  previously  undistributed  payments  or other
 
                                      S1-6
<PAGE>
receipts  on  account   of  principal  (including   principal  prepayments   and
Liquidation  Proceeds in  respect of  principal, if any)  and interest  on or in
respect of the Mortgage  Loans received by the  Servicer after the Cut-Off  Date
(except  for amounts due  on or prior to  the Cut-Off Date),  or received by the
Servicer on or  prior to the  Cut-Off Date but  due after the  Cut-Off Date,  in
either case received on or prior to the business day preceding the Determination
Date  in the month in which such Distribution Date occurs, plus (i) all Periodic
Advances made  by the  Servicer,  (ii) all  withdrawals  from any  reserve  fund
established  to provide support for the  Servicer's obligation to make advances,
as described under "Description of  the Certificates--Periodic Advances" in  the
Prospectus  Supplement and (iii) all other amounts  required to be placed in the
Certificate Account  by  the Servicer  pursuant  to the  Pooling  and  Servicing
Agreement, but excluding the following:
 
        (a)   amounts  received  as  late  payments  of  principal  or  interest
    respecting which the Servicer previously  has made one or more  unreimbursed
    Periodic  Advances or an unreimbursed advance has been made from the Reserve
    Fund, if established;
 
        (b) any unreimbursed Periodic Advances or unreimbursed advances from the
    Reserve Fund, if established, with respect to Liquidated Loans;
 
        (c) those portions of each payment of interest on a particular  Mortgage
    Loan which represent the applicable Servicing Fee, as adjusted in respect of
    Prepayment  Interest  Shortfalls  as  described  under  "Description  of the
    Certificates--Interest" in the Prospectus Supplement;
 
        (d)  all  amounts  representing  scheduled  payments  of  principal  and
    interest  due  after the  Due  Date occurring  in  the month  in  which such
    Distribution Date occurs;
 
        (e) all principal prepayments in full  and all proceeds of any  Mortgage
    Loans,  or  property acquired  in  respect thereof,  liquidated, foreclosed,
    purchased or repurchased  pursuant to the  Pooling and Servicing  Agreement,
    received  on or  after the  Due Date  occurring in  the month  in which such
    Distribution Date occurs, and all partial principal prepayments received  by
    the  Servicer on or after  the Determination Date occurring  in the month in
    which such Distribution Date occurs, and all related payments of interest on
    such amounts;
 
         (f) to the  extent permitted  by the Pooling  and Servicing  Agreement,
    that portion of Liquidation Proceeds or insurance proceeds with respect to a
    Mortgage  Loan  which  represents  any unpaid  Servicing  Fee  to  which the
    Servicer is entitled;
 
        (g) all  amounts  representing  certain  expenses  reimbursable  to  the
    Servicer  and  other amounts  permitted to  be retained  by the  Servicer or
    withdrawn by  the Servicer  from  the Certificate  Account pursuant  to  the
    Pooling and Servicing Agreement;
 
        (h)  all amounts in the nature of late fees, assumption fees, prepayment
    fees and similar fees which the Servicer is entitled to retain as additional
    servicing compensation;
 
         (i) reinvestment  earnings  on  payments received  in  respect  of  the
    Mortgage Loans; and
 
         (j) Net Foreclosure Profits.
 
    Notwithstanding  anything  contained  in the  Prospectus  Supplement  or the
Prospectus to the contrary, if, on any Determination Date, payments of principal
and interest due on  any Mortgage Loan  in the Trust Estate  on the related  Due
Date  have not  been received as  of the close  of business on  the business day
preceding such  Determination  Date, the  Servicer  will be  obligated  to  make
Periodic  Advances on or before the related Distribution Date for the benefit of
holders of the Series 1992-47 Certificates.
 
    The Prospectus Supplement and the Prospectus contain significant  additional
information  concerning  the  characteristics of  the  Class  A-16 Certificates.
Investors are urged to read "Description of the Certificates" in the  Prospectus
Supplement and in the Prospectus.
 
                                      S1-7
<PAGE>
                       DESCRIPTION OF THE MORTGAGE LOANS
 
    As of February 16, 1996, the Mortgage Loans in the Trust Estate consisted of
fixed  interest  rate,  conventional,  monthly pay,  fully  amortizing,  one- to
four-family, residential first mortgage loans originated or acquired by PHMC for
its own account  or for the  account of  an affiliate having  original terms  to
stated  maturity of approximately 30 years.  The "Unpaid Principal Balance" of a
Mortgage Loan as of February 16, 1996 is its unpaid principal balance as of such
date assuming no delinquencies  and no prepayments in  full. As of February  16,
1996,  the Mortgage  Loans included  581 promissory  notes, having  an aggregate
Unpaid  Principal  Balance  (the   "Aggregate  Unpaid  Principal  Balance")   of
approximately  $121,835,245, secured by first liens (the "Mortgages") on one- to
four-family residential properties (the "Mortgaged Properties"). However, as  of
February  16,  1996, three  of such  Mortgage Loans  having an  aggregate Unpaid
Principal Balance of approximately $714,010 have prepaid in full. Prepayments in
full occurring in February 1996 will reduce the Class A-16 Notional Amount  with
respect  to the  Distribution Date  in April 1996.  The Mortgage  Loans have the
additional characteristics described below and in the Prospectus.
 
    No Mortgage Loan is a Buy-Down Loan. See "The Trust Estates--Mortgage Loans"
in the Prospectus. Four of the Mortgage Loans, representing approximately  0.81%
of the Aggregate Unpaid Principal Balance of the Mortgage Loans, were originated
pursuant  to  PHMC's  Relocation  Mortgage  Program.  See  "PHMC--Mortgage  Loan
Production Sources" in the Prospectus.
 
    Each of the Mortgage Loans is subject to a due-on-sale clause. See  "Certain
Legal Aspects of the Mortgage Loans--'Due-on-Sale' Clause" and "Servicing of the
Mortgage  Loans--Enforcement of Due-on-Sale  Clauses; Realization Upon Defaulted
Mortgage Loans" in the Prospectus.
 
    As of February 16, 1996, each Mortgage Loan had an Unpaid Principal  Balance
of  not less than $4,696 or more than $954,671, and the average Unpaid Principal
Balance of  the Mortgage  Loans was  approximately $209,699.  The latest  stated
maturity  date of any of  the Mortgage Loans was  December 1, 2022; however, the
actual date on which any Mortgage Loan is  paid in full may be earlier than  the
stated  maturity  date  due  to  unscheduled  payments  of  principal.  Based on
information  supplied  by   the  mortgagors  in   connection  with  their   loan
applications at origination, all of the Mortgaged Properties were owner occupied
primary residences. See "PHMC--Mortgage Loan Underwriting" in the Prospectus.
 
    As   of  February  16,  1996,  four  of  the  Mortgage  Loans,  representing
approximately 0.73% of the  Aggregate Unpaid Principal  Balance of the  Mortgage
Loans,   were  Subsidy  Loans.  See  "The  Trust  Estates--Mortgage  Loans"  and
"PHMC--Mortgage Loan Underwriting" in the Prospectus.
 
                                      S1-8
<PAGE>
    Set forth below is  a description of  certain additional characteristics  of
the Mortgage Loans as of February 16, 1996 (except as otherwise indicated).
 
                            MORTGAGE INTEREST RATES
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE       AGGREGATE
                                          NUMBER OF       UNPAID           UNPAID
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
MORTGAGE INTEREST RATE                      LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  --------------
<S>                                       <C>         <C>              <C>
8.250%..................................      53      $ 11,107,796.13        9.12   %
8.375%..................................     103        23,659,511.83       19.42
8.500%..................................     203        44,562,236.86       36.58
8.625%..................................      92        19,977,279.16       16.40
8.750%..................................      51         9,277,527.43        7.61
8.875%..................................      46         7,941,604.35        6.52
9.000%..................................      15         2,375,399.72        1.95
9.125%..................................       4         1,339,888.32        1.10
9.250%..................................       7         1,022,915.32        0.84
9.375%..................................       5           455,584.83        0.37
9.500%..................................       1            52,181.34        0.04
9.625%..................................       1            63,320.11        0.05
                                             ---      ---------------     -------
        Total...........................     581      $121,835,245.40      100.00   %
                                             ---      ---------------     -------
                                             ---      ---------------     -------
</TABLE>
 
As  of February  16, 1996,  the weighted average  Mortgage Interest  Rate of the
Mortgage Loans was  approximately 8.544%  per annum. The  Net Mortgage  Interest
Rate  of  each Mortgage  Loan is  equal to  the Mortgage  Interest Rate  of such
Mortgage Loan minus the Servicing  Fee rate of 0.20%  per annum. As of  February
16,  1996, the weighted average Net Mortgage Interest Rate of the Mortgage Loans
was approximately 8.344% per annum.
 
                      REMAINING MONTHS TO STATED MATURITY
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE       AGGREGATE
                                          NUMBER OF       UNPAID           UNPAID
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
REMAINING STATED TERM (MONTHS)              LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  --------------
<S>                                       <C>         <C>              <C>
309.....................................       1      $     57,093.35     0.05   %
312.....................................       2           341,341.26     0.28
315.....................................       2           115,501.45     0.09
316.....................................       3           446,085.02     0.37
317.....................................       9         2,206,335.87     1.81
318.....................................      14         1,757,409.62     1.44
319.....................................      39         6,751,064.31     5.54
320.....................................     130        27,979,332.20    22.96
321.....................................     306        69,063,386.72    56.69
322.....................................      75        13,117,695.60    10.77
                                             ---      ---------------  -------
        Total...........................     581      $121,835,245.40   100.00   %
                                             ---      ---------------  -------
                                             ---      ---------------  -------
</TABLE>
 
As of February 16, 1996, the weighted average remaining term to stated  maturity
of the Mortgage Loans was approximately 321 months.
 
                                      S1-9
<PAGE>
                              YEARS OF ORIGINATION
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE       AGGREGATE
                                          NUMBER OF       UNPAID           UNPAID
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
YEAR OF ORIGINATION                         LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  --------------
<S>                                       <C>         <C>              <C>
1992....................................     581      $121,835,245.40   100.00   %
                                             ---      ---------------  -------
        Total...........................     581      $121,835,245.40   100.00   %
                                             ---      ---------------  -------
                                             ---      ---------------  -------
</TABLE>
 
As  of February  16, 1996,  the earliest  month and  year of  origination of any
Mortgage Loan was January 1992 and the  latest month and year of origination  of
any Mortgage Loan was November 1992.
 
                         ORIGINAL LOAN-TO-VALUE RATIOS
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE       AGGREGATE
                                          NUMBER OF       UNPAID           UNPAID
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
ORIGINAL LOAN-TO-VALUE RATIO                LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  --------------
<S>                                       <C>         <C>              <C>
50.0% or less...........................      45      $  7,064,201.81        5.80   %
50.1-55.0%..............................      18         3,254,391.31        2.67
55.1-60.0%..............................      23         3,992,689.55        3.28
60.1-65.0%..............................      35         6,959,906.39        5.71
65.1-70.0%..............................      41        11,342,129.26        9.31
70.1-75.0%..............................     168        32,552,088.15       26.72
75.1-80.0%..............................     186        40,539,330.65       33.27
80.1-85.0%..............................       6         1,370,868.27        1.13
85.1-90.0%..............................      59        14,759,640.01       12.11
                                             ---      ---------------     -------
        Total...........................     581      $121,835,245.40      100.00   %
                                             ---      ---------------     -------
                                             ---      ---------------     -------
</TABLE>
 
As  of  February  16, 1996,  the  minimum  and maximum  Loan-to-Value  Ratios at
origination of the Mortgage  Loans were 10.0% and  90.0%, respectively, and  the
weighted  average Loan-to-Value Ratio  at origination of  the Mortgage Loans was
approximately 73.4%. The Loan-to-Value  Ratio of a  Mortgage Loan is  calculated
using  the lesser of (i) the appraised  value of the related Mortgaged Property,
as established by an appraisal obtained  by the originator from an appraiser  at
the  time of  origination and  (ii) the  sale price  for such  property. In some
instances, the  Loan-to-Value  Ratio may  be  based  on an  appraisal  that  was
obtained  by the originator more than four months prior to origination, provided
that (i) a recertification  of the original appraisal  is obtained and (ii)  the
original appraisal was obtained no more than twelve months prior to origination.
For the purpose of calculating the Loan-to-Value Ratio of any Mortgage Loan that
is  the result of the refinancing (including a refinancing for "equity take-out"
purposes) of  an existing  mortgage loan,  the appraised  value of  the  related
Mortgaged Property is generally determined by reference to an appraisal obtained
in  connection  with the  origination of  the replacement  loan. See  "The Trust
Estates-- Mortgage Loans" in the Prospectus. As of February 16, 1996, 31 of  the
Mortgage  Loans having  Loan-to-Value Ratios  at origination  in excess  of 80%,
representing approximately 6.33%  of the Aggregate  Unpaid Principal Balance  of
the  Mortgage  Loans, were  originated without  primary mortgage  insurance. See
"PHMC--Mortgage Loan Underwriting" in the Prospectus.
 
                                     S1-10
<PAGE>
                       MORTGAGE LOAN DOCUMENTATION LEVELS
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE       AGGREGATE
                                          NUMBER OF       UNPAID           UNPAID
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
DOCUMENTATION LEVEL                         LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  --------------
<S>                                       <C>         <C>              <C>
Full Documentation......................     216      $ 62,749,073.51       51.51   %
Asset & Income Verification.............       0                 0.00        0.00
Asset & Mortgage Verification...........     221        38,822,317.11       31.86
Income & Mortgage Verification..........      15         3,463,009.52        2.84
Asset Verification......................      80        10,528,395.73        8.64
Income Verification.....................       0                 0.00        0.00
Mortgage Verification...................      24         3,356,634.26        2.76
Preferred Processing....................      25         2,915,815.27        2.39
                                             ---      ---------------     -------
        Total...........................     581      $121,835,245.40      100.00   %
                                             ---      ---------------     -------
                                             ---      ---------------     -------
</TABLE>
 
Documentation levels vary depending upon several factors, including loan amount,
Loan-to-Value Ratio and the type and purpose of the Mortgage Loan. Asset, income
and mortgage verifications were obtained for Mortgage Loans processed with "full
documentation." In the case of "preferred processing," neither asset, income nor
mortgage verifications were obtained.  However, for all  of the Mortgage  Loans,
verification of the borrower's employment, a credit report on the borrower and a
property  appraisal were obtained. See "PHMC--Mortgage Loan Underwriting" in the
Prospectus.
 
                   ORIGINAL MORTGAGE LOAN PRINCIPAL BALANCES
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE       AGGREGATE
                ORIGINAL                  NUMBER OF       UNPAID           UNPAID
             MORTGAGE LOAN                MORTGAGE       PRINCIPAL       PRINCIPAL
           PRINCIPAL BALANCE                LOANS         BALANCE         BALANCE
          --------------------            ---------   ---------------  --------------
<S>                                       <C>         <C>              <C>
Less than or equal to $200,000..........     260      $ 29,496,514.35       24.22   %
$200,001-$250,000.......................     128        27,891,449.02       22.89
$250,001-$300,000.......................      96        25,346,644.07       20.80
$300,001-$350,000.......................      41        12,791,419.08       10.50
$350,001-$400,000.......................      25         9,100,982.06        7.47
$400,001-$450,000.......................       6         2,527,849.03        2.07
$450,001-$500,000.......................      13         6,172,078.05        5.07
$500,001-$550,000.......................       1           503,474.37        0.41
$550,001-$600,000.......................       3         1,713,765.53        1.41
$650,001-$700,000.......................       1           640,268.23        0.53
$700,001-$750,000.......................       2         1,446,745.77        1.19
$750,001-$800,000.......................       2         1,514,045.40        1.24
$800,001-$850,000.......................       1           816,563.57        0.67
$900,001-$950,000.......................       1           918,775.88        0.75
$950,001-$1,000,000.....................       1           954,670.99        0.78
                                             ---      ---------------     -------
        Total...........................     581      $121,835,245.40      100.00   %
                                             ---      ---------------     -------
                                             ---      ---------------     -------
</TABLE>
 
As of February 16,  1996, the average Unpaid  Principal Balance of the  Mortgage
Loans  was approximately $209,699. As of February 16, 1996, the weighted average
Loan-to-Value Ratio  at  origination  and the  maximum  Loan-to-Value  Ratio  at
origination  of  the Mortgage  Loans which  had  original principal  balances in
excess of $600,000 were  approximately 66.3% and  75.0%, respectively. See  "The
Trust  Estates--Mortgage Loans"  and "PHMC--Mortgage  Loan Underwriting"  in the
Prospectus.
 
                                     S1-11
<PAGE>
                              MORTGAGED PROPERTIES
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE       AGGREGATE
                                          NUMBER OF       UNPAID           UNPAID
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
PROPERTY                                    LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  --------------
<S>                                       <C>         <C>              <C>
Single-family Detached..................     549      $116,511,304.99       95.63   %
Two- to four-family Units...............       1           278,801.66        0.23
Condominiums............................      27         4,481,399.22        3.68
Townhouses..............................       3           321,468.21        0.26
Planned Unit Developments...............       1           242,271.32        0.20
Cooperative Units.......................       0                 0.00        0.00
                                             ---      ---------------     -------
        Total...........................     581      $121,835,245.40      100.00   %
                                             ---      ---------------     -------
                                             ---      ---------------     -------
</TABLE>
 
                                     S1-12
<PAGE>
                GEOGRAPHIC DISTRIBUTION OF MORTGAGED PROPERTIES
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE       AGGREGATE
                                          NUMBER OF       UNPAID           UNPAID
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
GEOGRAPHIC AREA                             LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  --------------
<S>                                       <C>         <C>              <C>
Alabama.................................       2      $    238,055.70        0.20   %
Arizona.................................       5           670,839.43        0.55
California..............................     256        68,251,810.38       56.00
Colorado................................       4           613,754.35        0.50
Connecticut.............................      13         2,270,596.96        1.86
District of Columbia....................       2           546,685.10        0.45
Florida.................................      37         3,724,393.47        3.06
Georgia.................................      10         1,669,539.88        1.37
Hawaii..................................       2         1,496,601.47        1.23
Idaho...................................       2           629,824.89        0.52
Illinois................................       8         1,219,856.97        1.00
Indiana.................................       1           259,090.35        0.21
Louisiana...............................       1            52,578.87        0.04
Maryland................................      14         2,489,226.54        2.04
Massachusetts...........................       7         1,274,227.49        1.05
Michigan................................       1            57,353.84        0.05
Minnesota...............................       2           331,121.32        0.27
Montana.................................       1            92,379.27        0.08
Nevada..................................       4           790,206.97        0.65
New Hampshire...........................       2           257,348.33        0.21
New Jersey..............................      55         8,735,680.79        7.17
New Mexico..............................       2           265,308.25        0.22
New York................................      92        15,840,436.19       13.00
North Carolina..........................       4           470,899.68        0.39
Oklahoma................................       2           262,813.56        0.22
Oregon..................................       2           346,859.43        0.28
Pennsylvania............................      12         1,595,661.11        1.31
Rhode Island............................       4           580,764.43        0.48
South Carolina..........................       2           189,352.60        0.16
Tennessee...............................       1            37,560.38        0.03
Texas...................................      11         1,875,128.11        1.54
Utah....................................       1           354,536.81        0.29
Vermont.................................       1            59,887.67        0.05
Virginia................................      11         3,016,706.17        2.48
Washington..............................       7         1,268,158.64        1.04
                                             ---      ---------------     -------
        Total...........................     581      $121,835,245.40      100.00   %
                                             ---      ---------------     -------
                                             ---      ---------------     -------
</TABLE>
 
As of  February 16,  1996, no  more than  approximately 1.33%  of the  Aggregate
Unpaid  Principal  Balance  of  the  Mortgage  Loans  was  secured  by Mortgaged
Properties located in any one zip code.
 
                                     S1-13
<PAGE>
                         ORIGINATORS OF MORTGAGE LOANS
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE       AGGREGATE
                                          NUMBER OF       UNPAID           UNPAID
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
ORIGINATOR                                  LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  --------------
<S>                                       <C>         <C>              <C>
PHMC or Affiliate.......................     131      $ 26,021,825.99       21.36   %
Other Originators.......................     450        95,813,419.41       78.64
                                             ---      ---------------     -------
        Total...........................     581      $121,835,245.40      100.00   %
                                             ---      ---------------     -------
                                             ---      ---------------     -------
</TABLE>
 
                           PURPOSES OF MORTGAGE LOANS
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE       AGGREGATE
                                          NUMBER OF       UNPAID           UNPAID
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
LOAN PURPOSE                                LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  --------------
<S>                                       <C>         <C>              <C>
Purchase................................     207      $ 33,740,600.70       27.69   %
Rate/term refinance.....................     265        64,631,129.35       53.05
Equity take out.........................     109        23,463,515.35       19.26
                                             ---      ---------------     -------
        Total...........................     581      $121,835,245.40      100.00   %
                                             ---      ---------------     -------
                                             ---      ---------------     -------
</TABLE>
 
In general,  in the  case of  a  Mortgage Loan  made for  "rate/term"  refinance
purposes,  substantially  all  of the  proceeds  are  used to  pay  in  full the
principal balance of a previous mortgage loan of the mortgagor with respect to a
Mortgaged Property and to pay origination and closing costs associated with such
refinancing. However, in the case of a Mortgage Loan made for "equity take  out"
refinance  purposes, all or a portion of  the proceeds are generally retained by
the mortgagor for uses unrelated to  the Mortgaged Property. The amount of  such
proceeds   retained  by  the  mortgagor  may  be  substantial.  See  "The  Trust
Estates--Mortgage  Loans"  and   "PHMC--Mortgage  Loan   Underwriting"  in   the
Prospectus.
 
                               DELINQUENCY STATUS
 
<TABLE>
<CAPTION>
                                                                      PERCENTAGE OF
                                                                        AGGREGATE
                                                         ACTUAL          UNPAID
                                          NUMBER OF      UNPAID         PRINCIPAL
                                           MORTGAGE     PRINCIPAL    BALANCE OF THE
STATUS                                     LOANS(1)    BALANCE(1)   MORTGAGE LOANS(2)
- ----------------------------------------  ----------   -----------  -----------------
<S>                                       <C>          <C>          <C>
30 to 59 days...........................       5       $1,071,383.69             0.88%
60 to 89 days...........................       3        444,539.83              0.36
90 days or more.........................       2        264,016.55              0.22
Loans in Foreclosure....................       5       1,613,283.68             1.32
REO Mortgage Loans......................       4        753,830.19              0.62
                                              --
                                                       -----------               ---
        Total...........................      19       $4,147,053.94             3.40%
                                              --
                                              --
                                                       -----------               ---
                                                       -----------               ---
</TABLE>
 
- ------------
(1) Reflects  the  number of  delinquent Mortgage  Loans  and the  actual unpaid
    principal balances of such Mortgage Loans based on information available  to
    the Servicer as of February 16, 1996.
 
(2) As of February 16, 1996.
 
The  indicated periods of delinquency are based  on the number of days past due,
based on a  30-day month. No  Mortgage Loan is  considered delinquent for  these
purposes until one month has passed since its contractual due date.
 
    On  January  17, 1994,  southern California  experienced an  earthquake (the
"Earthquake") and  thereafter  a number  of  aftershocks.  As a  result  of  the
Earthquake,  Los Angeles and  Ventura Counties (the  "Earthquake Counties") were
declared federal disaster  areas eligible  for federal  disaster assistance.  In
addition  to the Earthquake  Counties, other counties may  have been affected by
the Earthquake. As of February 16,  1996, approximately 22.73% of the  Aggregate
Unpaid  Principal  Balance  of  the  Mortgage  Loans  was  secured  by Mortgaged
Properties that  are located  in the  Earthquake Counties.  The Seller  has  not
undertaken  the physical  inspection of any  Mortgaged Properties.  As a result,
there can be no assurance that material damage to any Mortgaged Property in  the
affected region has not occurred.
 
                                     S1-14
<PAGE>
    As  of January 16, 1995 and March 16,  1995, as a result of flooding, 38 and
49 counties in California, respectively, (the "January 1995 Flood Counties"  and
"March  1995  Flood  Counties,"  respectively,  and  together,  the  "1995 Flood
Counties") were declared  federal disaster areas  eligible for federal  disaster
assistance.  As  of February  16, 1996,  approximately  53.11% of  the Aggregate
Unpaid Principal  Balance  of  the  Mortgage  Loans  was  secured  by  Mortgaged
Properties that are located in the January 1995 Flood Counties and approximately
48.82%  of  the Aggregate  Unpaid Principal  Balance of  the Mortgage  Loans was
secured by  Mortgaged  Properties that  are  located  in the  March  1995  Flood
Counties. The Seller has not undertaken the physical inspection of any Mortgaged
Properties.  As a result, there can be  no assurance that material damage to any
Mortgaged Property in the affected region has not occurred.
 
    As of  October 12,  1995, as  a  result of  a hurricane  affecting  Georgia,
Alabama  and  Florida (the  "Hurricane"), 28,  20 and  11 counties,  in Georgia,
Alabama and  Florida, respectively  (the  "Hurricane Counties"),  were  declared
federal  disaster areas eligible for federal disaster assistance. As of February
16, 1996, 0.84% of the Aggregate Unpaid Principal Balance of the Mortgage  Loans
was  secured by Mortgage Properties that  are located in the Hurricane Counties.
The  Seller  has  not  undertaken  the  physical  inspection  of  any  Mortgaged
Properties.  As a result, there can be  no assurance that material damage to any
Mortgaged Property in the affected region has not occurred.
 
    As of February  21, 1996,  as a result  of recent  flooding (the  "Northeast
Floods"),  all counties in the Commonwealth of Pennsylvania, all counties in the
State of Maryland, 28 counties in the State of West Virginia, 26 counties in the
State of New  York, 12  counties in the  State of  Ohio and 13  counties in  the
Commonwealth  of Virginia (the "Northeast Flood Counties") were declared federal
disaster areas  eligible for  federal disaster  assistance. As  of February  16,
1996,  approximately  4.34% of  the Aggregate  Unpaid  Principal Balance  of the
Mortgage Loans  was secured  by Mortgaged  Properties that  are located  in  the
Northeast  Flood Counties.  In addition,  other counties  may have  been and may
become affected  by the  Northeast Floods.  The Seller  has not  undertaken  the
physical  inspection of any Mortgaged  Properties. As a result,  there can be no
assurance that material damage to any Mortgaged Property in the affected  region
has not occurred.
 
    As  of February  28, 1996,  as a result  of recent  flooding (the "Northwest
Floods"), 21 counties in the  State of Washington, 26  counties in the State  of
Oregon  and 10 counties in  the State of Idaho  (the "Northwest Flood Counties")
were declared federal disaster areas  eligible for federal disaster  assistance.
As  of February 16, 1996, approximately  1.06% of the Aggregate Unpaid Principal
Balance of  the Mortgage  Loans  was secured  by  Mortgage Properties  that  are
located  in the Northwest  Flood Counties. In addition,  other counties may have
been and  may  become affected  by  the Northwest  Floods.  The Seller  has  not
undertaken  the physical  inspection of any  Mortgaged Properties.  As a result,
there can be no assurance that material damage to any Mortgaged Property in  the
affected region has not occurred.
 
    Based  on information  available to  the Servicer  as of  February 16, 1996,
twelve  of  the  delinquent  Mortgage  Loans  shown  in  the  preceding   table,
representing  approximately 1.99% of  the Aggregate Unpaid  Principal Balance of
the Mortgage  Loans  or  approximately  $2,424,590  were  secured  by  Mortgaged
Properties  located in the Earthquake Counties, the Hurricane Counties, the 1995
Flood Counties, the Northeast Flood Counties or the Northwest Flood Counties.
 
              ORIGINATION, DELINQUENCY AND FORECLOSURE EXPERIENCE
 
    During the years ended December 31, 1993 and December 31, 1994 and the  nine
months  ended  September 30,  1995, PHMC  originated or  purchased, for  its own
account or for the account of  an affiliate, conventional mortgage loans  having
an aggregate principal balance of approximately $35,805,498,813, $16,201,648,701
and $8,078,459,769, respectively.
 
    Certain information concerning PHMC's delinquency, foreclosure and loan loss
experience  on  certain  categories of  the  mortgage loans  included  in PHMC's
mortgage loan  servicing  portfolio  for  the years  ended  December  31,  1990,
December  31, 1991 and the nine months ended  September 30, 1992 is set forth in
"Origination,   Delinquency   and   Foreclosure   Experience--Delinquency    and
Foreclosure  Experience" in the Prospectus  Supplement. The following tables set
forth such information as of December 31, 1993, December 31, 1994 and  September
30, 1995.
 
                                     S1-15
<PAGE>
                              TOTAL PROGRAM LOANS
 
<TABLE>
<CAPTION>
                             AS OF                   AS OF                   AS OF
                       DECEMBER 31, 1993       DECEMBER 31, 1994       SEPTEMBER 30, 1995
                     ----------------------  ----------------------  ----------------------
                                 BY DOLLAR               BY DOLLAR               BY DOLLAR
                      BY NO.      AMOUNT      BY NO.      AMOUNT      BY NO.      AMOUNT
                     OF LOANS    OF LOANS    OF LOANS    OF LOANS    OF LOANS    OF LOANS
                     --------   -----------  --------   -----------  --------   -----------
<S>                  <C>        <C>          <C>        <C>          <C>        <C>
                                         (DOLLAR AMOUNTS IN THOUSANDS)
 
Total Portfolio of
 Program Loans.....   337,156   $57,687,887   379,075   $62,175,544   415,103   $64,820,412
                     --------   -----------  --------   -----------  --------   -----------
                     --------   -----------  --------   -----------  --------   -----------
Period of
 Delinquency(1)
  30 to 59 days....     3,190   $   489,235     3,548   $   548,524     4,036   $   563,777
  60 to 89 days....       703       109,529       797       128,053       899       134,115
  90 days or
  more.............     1,398       271,637     1,418       308,124     1,086       190,010
                     --------   -----------  --------   -----------  --------   -----------
Total Delinquent
 Loans.............     5,291   $   870,401     5,763   $   984,701     6,021   $   887,902
                     --------   -----------  --------   -----------  --------   -----------
                     --------   -----------  --------   -----------  --------   -----------
Percent of
 Portfolio.........      1.57%         1.51%     1.52%         1.58%     1.45%         1.37%
</TABLE>
<TABLE>
<CAPTION>
                                         AS OF                AS OF                AS OF
                                   DECEMBER 31, 1993    DECEMBER 31, 1994    SEPTEMBER 30, 1995
                                   ------------------   ------------------   ------------------
<S>                                <C>                  <C>                  <C>
                                                  (DOLLAR AMOUNTS IN THOUSANDS)
 
Foreclosures(2)..................  $     277,533        $     354,028        $     340,162
Foreclosure Ratio(3).............           0.48%                0.57%                0.52%
 
<CAPTION>
 
                                       YEAR ENDED           YEAR ENDED       NINE MONTHS ENDED
                                   DECEMBER 31, 1993    DECEMBER 31, 1994    SEPTEMBER 30, 1995
                                   ------------------   ------------------   ------------------
                                                  (DOLLAR AMOUNTS IN THOUSANDS)
<S>                                <C>                  <C>                  <C>
 
Net Gain (Loss)(4)...............  $    (112,510)       $    (194,940)       $    (118,939)
Net Gain (Loss) Ratio(5).........          (0.20)%              (0.31)%              (0.18)%
</TABLE>
 
- ------------
(1) The  indicated periods of delinquency  are based on the  number of days past
    due, based on a 30-day month. No mortgage loan is considered delinquent  for
    these  purposes until one month has passed since its contractual due date. A
    mortgage  loan  is   no  longer  considered   delinquent  once   foreclosure
    proceedings have commenced.
 
(2) Includes loans in the applicable portfolio for which foreclosure proceedings
    had  been instituted or with respect to  which the related property had been
    acquired as of the dates indicated.
 
(3) Foreclosures as a percentage of total  loans in the applicable portfolio  at
    the end of each period.
 
(4) Does  not  include gain  or loss  with  respect to  loans in  the applicable
    portfolio for  which foreclosure  proceedings had  been instituted  but  not
    completed  as of  the dates indicated,  or for which  the related properties
    have been acquired in foreclosure proceedings but not yet sold.
 
(5) Net gain (loss) as a percentage  of total loans in the applicable  portfolio
    at the end of each period.
 
                                     S1-16
<PAGE>
                              FIXED PROGRAM LOANS
 
<TABLE>
<CAPTION>
                                                   AS OF                     AS OF                     AS OF
                                             DECEMBER 31, 1993         DECEMBER 31, 1994        SEPTEMBER 30, 1995
                                          -----------------------   -----------------------   -----------------------
                                                      BY DOLLAR                 BY DOLLAR                 BY DOLLAR
                                           BY NO.       AMOUNT       BY NO.       AMOUNT       BY NO.       AMOUNT
                                          OF LOANS     OF LOANS     OF LOANS     OF LOANS     OF LOANS     OF LOANS
                                          --------   ------------   --------   ------------   --------   ------------
                                                                 (DOLLAR AMOUNTS IN THOUSANDS)
 
<S>                                       <C>        <C>            <C>        <C>            <C>        <C>
Total Portfolio of Fixed Program
 Loans..................................   288,556   $ 48,156,806    307,975   $ 48,602,956    346,496   $ 52,212,730
                                          --------   ------------   --------   ------------   --------   ------------
                                          --------   ------------   --------   ------------   --------   ------------
Period of Delinquency(1)
  30 to 59 days.........................     2,609   $    380,197      2,708   $    389,236      3,156   $    405,082
  60 to 89 days.........................       571         86,136        591         87,687        681         91,121
  90 days or more.......................     1,117        211,870        965        188,414        774        115,973
                                          --------   ------------   --------   ------------   --------   ------------
Total Delinquent Loans..................     4,297   $    678,203      4,264   $    665,337      4,611   $    612,176
                                          --------   ------------   --------   ------------   --------   ------------
                                          --------   ------------   --------   ------------   --------   ------------
Percent of Fixed Program Loan
 Portfolio..............................      1.49%          1.41%      1.38%          1.37%      1.33%          1.17%
</TABLE>
<TABLE>
<CAPTION>
                                               AS OF             AS OF              AS OF
                                           DECEMBER 31,       DECEMBER 31,      SEPTEMBER 30,
                                               1993               1994              1995
                                          ---------------   ----------------   ---------------
                                                     (DOLLAR AMOUNTS IN THOUSANDS)
 
<S>                                       <C>               <C>                <C>
Foreclosures(2).........................  $  195,361        $   208,253        $  212,240
Foreclosure Ratio(3)....................        0.41%              0.43%             0.41%
 
<CAPTION>
 
                                                                                 NINE MONTHS
                                            YEAR ENDED         YEAR ENDED           ENDED
                                           DECEMBER 31,       DECEMBER 31,      SEPTEMBER 30,
                                               1993               1994              1995
                                          ---------------   ----------------   ---------------
                                                     (DOLLAR AMOUNTS IN THOUSANDS)
<S>                                       <C>               <C>                <C>
 
Net Gain (Loss)(4)......................  $  (63,705)       $  (133,514)       $  (86,857)
Net Gain (Loss) Ratio(5)................       (0.13)%            (0.27)%           (0.17)%
</TABLE>
 
- ------------
(1) The  indicated periods of delinquency  are based on the  number of days past
    due, based on a 30-day month. No mortgage loan is considered delinquent  for
    these  purposes until one month has passed since its contractual due date. A
    mortgage  loan  is   no  longer  considered   delinquent  once   foreclosure
    proceedings have commenced.
 
(2) Includes loans in the applicable portfolio for which foreclosure proceedings
    had  been instituted or with respect to  which the related property had been
    acquired as of the dates indicated.
 
(3) Foreclosures as a percentage of total  loans in the applicable portfolio  at
    the end of each period.
 
(4) Does  not  include gain  or loss  with  respect to  loans in  the applicable
    portfolio for  which foreclosure  proceedings had  been instituted  but  not
    completed  as of  the dates indicated,  or for which  the related properties
    have been acquired in foreclosure proceedings but not yet sold.
 
(5) Net gain (loss) as a percentage  of total loans in the applicable  portfolio
    at the end of each period.
 
                                     S1-17
<PAGE>
                       FIXED NON-RELOCATION PROGRAM LOANS
 
<TABLE>
<CAPTION>
                                                   AS OF                     AS OF                     AS OF
                                             DECEMBER 31, 1993         DECEMBER 31, 1994        SEPTEMBER 30, 1995
                                          -----------------------   -----------------------   -----------------------
                                                      BY DOLLAR                 BY DOLLAR                 BY DOLLAR
                                           BY NO.       AMOUNT       BY NO.       AMOUNT       BY NO.       AMOUNT
                                          OF LOANS     OF LOANS     OF LOANS     OF LOANS     OF LOANS     OF LOANS
                                          --------   ------------   --------   ------------   --------   ------------
                                                                 (DOLLAR AMOUNTS IN THOUSANDS)
 
<S>                                       <C>        <C>            <C>        <C>            <C>        <C>
Total Portfolio of Fixed Non-relocation
 Program Loans..........................   247,792   $ 42,030,123    262,159   $ 41,589,441    294,218   $ 44,201,806
                                          --------   ------------   --------   ------------   --------   ------------
                                          --------   ------------   --------   ------------   --------   ------------
Period of Delinquency(1)
  30 to 59 days.........................     2,326   $    344,861      2,424   $    350,629      2,821   $    361,484
  60 to 89 days.........................       530         81,444        539         80,843        619         83,384
  90 days or more.......................     1,054        203,444        903        179,493        719        109,174
                                          --------   ------------   --------   ------------   --------   ------------
Total Delinquent Loans..................     3,910   $    629,749      3,866   $    610,965      4,159   $    554,042
                                          --------   ------------   --------   ------------   --------   ------------
                                          --------   ------------   --------   ------------   --------   ------------
Percent of Fixed Non-relocation Program
 Loan Portfolio.........................      1.58%          1.50%      1.47%          1.47%      1.41%          1.25%
</TABLE>
<TABLE>
<CAPTION>
                                               AS OF             AS OF              AS OF
                                           DECEMBER 31,       DECEMBER 31,      SEPTEMBER 30,
                                               1993               1994              1995
                                          ---------------   ----------------   ---------------
                                                     (DOLLAR AMOUNTS IN THOUSANDS)
 
<S>                                       <C>               <C>                <C>
Foreclosures(2).........................  $  190,293        $   199,379        $  202,124
Foreclosure Ratio(3)....................        0.45%              0.48%             0.46%
 
<CAPTION>
 
                                                                                 NINE MONTHS
                                            YEAR ENDED         YEAR ENDED           ENDED
                                           DECEMBER 31,       DECEMBER 31,      SEPTEMBER 30,
                                               1993               1994              1995
                                          ---------------   ----------------   ---------------
                                                     (DOLLAR AMOUNTS IN THOUSANDS)
<S>                                       <C>               <C>                <C>
 
Net Gain (Loss)(4)......................  $  (61,387)       $  (131,779)       $  (84,996)
Net Gain (Loss) Ratio(5)................       (0.15)%            (0.32)%           (0.19)%
</TABLE>
 
- ------------
(1) The  indicated periods of delinquency  are based on the  number of days past
    due, based on a 30-day month. No mortgage loan is considered delinquent  for
    these  purposes until one month has passed since its contractual due date. A
    mortgage  loan  is   no  longer  considered   delinquent  once   foreclosure
    proceedings have commenced.
 
(2) Includes loans in the applicable portfolio for which foreclosure proceedings
    had  been instituted or with respect to  which the related property had been
    acquired as of the dates indicated.
 
(3) Foreclosures as a percentage of total  loans in the applicable portfolio  at
    the end of each period.
 
(4) Does  not  include gain  or loss  with  respect to  loans in  the applicable
    portfolio for  which foreclosure  proceedings had  been instituted  but  not
    completed  as of  the dates indicated,  or for which  the related properties
    have been acquired in foreclosure proceedings but not yet sold.
 
(5) Net gain (loss) as a percentage  of total loans in the applicable  portfolio
    at the end of each period.
 
            RESTRICTIONS ON TRANSFER OF THE CLASS A-16 CERTIFICATES
 
    The  Class A-16  Certificates with  denominations of  less than $137,000,000
initial Class A-16 Notional  Amount but not less  than $8,000,000 initial  Class
A-16 Notional Amount may be transferred to persons who deliver to the Trustee an
affidavit  stating  that such  person: (a)(i)  is a  substantial, sophisticated,
institutional investor having knowledge and experience in financial and business
matters, and in particular in such matters related to securities similar to  the
Class  A-16 Certificates, such  that such investor is  capable of evaluating the
merits and risks of an investment in the Class A-16 Certificates, and (ii) has a
net worth of at least $10,000,000; or (b) will hold the Class A-16  Certificates
solely as nominee for a person meeting the criteria set forth in clause (a).
 
                                     S1-18
<PAGE>
                             HISTORICAL PREPAYMENTS
 
    The  prepayment  model used  in the  Prospectus  Supplement is  the Standard
Prepayment Assumption ("SPA"). See "Prepayment and Yield Considerations" in  the
Prospectus  Supplement. An alternative  model is a conditional  (also known as a
constant)  prepayment  rate  ("CPR").  CPR  represents  a  rate  of  payment  of
unscheduled  principal on mortgage loans,  expressed as an annualized percentage
of the outstanding principal balance of such mortgage loans at the beginning  of
each  period. CPR DOES NOT PURPORT TO  BE A HISTORICAL DESCRIPTION OF PREPAYMENT
EXPERIENCE OR A PREDICTION OF THE ANTICIPATED RATE OF PREPAYMENT OF ANY POOL  OF
MORTGAGE LOANS, INCLUDING THE MORTGAGE LOANS.
 
    The  Series 1992-47 Certificates were issued on December 22, 1992. Set forth
below are  the approximate  annualized prepayment  rates of  the Mortgage  Loans
underlying  the Series  1992-47 Certificates  as a percentage  of CPR  as of the
Distribution Dates occurring in the indicated months.
 
                          HISTORICAL PREPAYMENT RATES
<TABLE>
<CAPTION>
MONTH                                                           PERCENTAGE OF CPR
- --------------------------------------------------------------  -----------------
<S>                                                             <C>
January 1993..................................................        1.41%
February 1993.................................................        1.58%
March 1993....................................................        3.69%
April 1993....................................................        3.15%
May 1993......................................................       14.77%
June 1993.....................................................       20.86%
July 1993.....................................................       22.22%
August 1993...................................................       28.87%
September 1993................................................       40.73%
October 1993..................................................       60.83%
November 1993.................................................       67.58%
December 1993.................................................       70.17%
January 1994..................................................       66.62%
February 1994.................................................       49.37%
March 1994....................................................       41.07%
April 1994....................................................       33.79%
May 1994......................................................       15.73%
June 1994.....................................................        9.60%
July 1994.....................................................       10.65%
 
<CAPTION>
MONTH                                                           PERCENTAGE OF CPR
- --------------------------------------------------------------  -----------------
<S>                                                             <C>
August 1994...................................................       11.17%
September 1994................................................        8.87%
October 1994..................................................        5.29%
November 1994.................................................        9.44%
December 1994.................................................        0.38%
January 1995..................................................        1.95%
February 1995.................................................        0.51%
March 1995....................................................        1.23%
April 1995....................................................        3.64%
May 1995......................................................        2.89%
June 1995.....................................................        1.37%
July 1995.....................................................        6.57%
August 1995...................................................        5.39%
September 1995................................................       16.88%
October 1995..................................................       22.99%
November 1995.................................................        2.74%
December 1995.................................................        3.06%
January 1996..................................................       10.17%
February 1996.................................................       22.17%
</TABLE>
 
    The prepayment rates described above were calculated based upon the weighted
average Mortgage Interest Rate  of the Mortgage Loans  for the applicable  month
and  an assumed  weighted average  remaining term  to maturity  for the Mortgage
Loans equal to the weighted  average remaining term to  maturity at the date  of
the  initial issuance of the Series 1992-47 Certificates with respect to January
1993, reduced by one month for each month thereafter. The prepayment history  of
the  Mortgage  Loans underlying  the Series  1992-47 Certificates  is relatively
short and cannot be relied  upon as an indicator of  the rate of prepayments  on
the  Mortgage  Loans  to  be  experienced  over  the  life  of  the  Class  A-16
Certificates. Further, the rate of prepayment of a pool of mortgage loans during
any period should be considered in light of the amount of time elapsed since the
origination of such mortgage loans and  the absolute levels of, and changes  in,
prevailing market interest rates during such period. For a further discussion of
the factors affecting the rate of prepayments on mortgage loans, see "Prepayment
and  Yield Considerations" in the Prospectus  Supplement. INVESTORS ARE URGED TO
MAKE AN INDEPENDENT DECISION AS TO THE APPROPRIATE PREPAYMENT ASSUMPTIONS TO  BE
USED IN DECIDING WHETHER TO PURCHASE A CLASS A-16 CERTIFICATE.
 
                                     S1-19
<PAGE>
                 SENSITIVITY OF THE PRE-TAX YIELD AND WEIGHTED
                  AVERAGE LIFE OF THE CLASS A-16 CERTIFICATES
 
    The  Prospectus Supplement and the  Prospectus contain important information
concerning factors that will affect the  yield and weighted average life of  the
Class  A-16  Certificates. Investors  are urged  to  read "Prepayment  and Yield
Considerations" in the Prospectus Supplement and the Prospectus.
 
    THE YIELD TO INVESTORS IN THE CLASS A-16 CERTIFICATES, WHICH ARE EXPECTED TO
BE OFFERED AT A SUBSTANTIAL PREMIUM, WILL BE HIGHLY SENSITIVE TO BOTH THE TIMING
OF RECEIPT OF PREPAYMENTS  AND THE OVERALL RATE  OF PRINCIPAL PREPAYMENT ON  THE
MORTGAGE  LOANS, PARTICULARLY WITH  RESPECT TO THOSE  MORTGAGE LOANS WITH HIGHER
RATES OF INTEREST, WHICH OVERALL RATE  MAY FLUCTUATE SIGNIFICANTLY FROM TIME  TO
TIME.  AN  INVESTOR IN  THE CLASS  A-16 CERTIFICATES  SHOULD FULLY  CONSIDER THE
ASSOCIATED RISKS, INCLUDING  THE RISK THAT  A RAPID RATE  OF PRINCIPAL  PAYMENTS
(INCLUDING  PREPAYMENTS) COULD RESULT  IN THE FAILURE OF  SUCH INVESTOR TO FULLY
RECOVER ITS INITIAL INVESTMENT.
 
    For purposes of the table  set forth below, the  weighted average life of  a
Class A-16 Certificate is the average amount of time that will elapse from March
14,  1996 until each dollar in reduction  of the principal balance of the Series
1992-47 Certificates is distributed to the holders thereof. The weighted average
life of the Class A-16 Certificates  will be influenced by, among other  things,
the rate and timing of principal payments on the Mortgage Loans, which may be in
the form of scheduled amortization or prepayments.
 
    The following table has been prepared on the basis of the characteristics of
the  Mortgage Loans  included in the  Trust Estate  as of February  16, 1996, as
described above under "Description of  the Mortgage Loans," adjusted to  reflect
calculated payments of principal on March 1, 1996 assuming a constant prepayment
rate  equal to 0%  CPR for the month  of February 1996.  This adjustment has the
effect of reducing the remaining terms to stated maturity of each Mortgage  Loan
by  one  month  from the  table  shown on  page  S1-9. The  table  indicates the
sensitivity to various rates of prepayment on the Mortgage Loans of the  pre-tax
yield  to maturity,  on a  corporate bond equivalent  ("CBE") basis,  and of the
weighted average life of the Class  A-16 Certificates at various percentages  of
CPR.  Such  calculations  are based  on  distributions made  in  accordance with
"Description of the Certificates"  herein and in  the Prospectus Supplement,  on
the  assumptions described  in clauses  (i), (iii)  and (v)  of the  second full
paragraph beginning  on page  S-67  of the  Prospectus  Supplement, and  on  the
further  assumptions that (i)  the Class A-16 Certificates  will be purchased on
March 14, 1996 for an aggregate purchase price equal to approximately  $818,409,
which  includes accrued interest from March 1, 1996 to (but not including) March
14, 1996, (ii) distributions to holders of Class A-16 Certificates will be  made
on  the 25th day of each month commencing in April 1996, (iii) scheduled monthly
payments of principal and interest on the Mortgage Loans will be timely received
on the first day of each month (with no defaults) commencing in April 1996, (iv)
principal prepayments on the Mortgage Loans will be received on the last day  of
each  month commencing in  March 1996 at  the respective percentages  of CPR set
forth in the  table and  there are no  Prepayment Interest  Shortfalls, (v)  the
Class  A-16 Notional  Amount applicable  to the  Distribution Date  occurring in
April 1996 will  be approximately  $121,735,753 and  (vi) the  Class A  Subclass
Principal  Balance of the  Class A-16 Certificates as  of the Determination Date
occurring in April 1996 will be $1,000.00.
 
           SENSITIVITY OF THE PRE-TAX YIELD AND WEIGHTED AVERAGE LIFE
                 OF THE CLASS A-16 CERTIFICATES TO PREPAYMENTS
 
<TABLE>
<CAPTION>
                                                   PERCENTAGES OF CPR
                                        ----------------------------------------
                                         5%     15%    20%    30%    35%    40%
                                        -----  -----  -----  -----  -----  -----
<S>                                     <C>    <C>    <C>    <C>    <C>    <C>
Pre-Tax Yield to Maturity (CBE).......  48.47% 35.76% 29.10% 15.12%  7.74%  0.10%
Weighted Average Life (years).........  11.28   5.54   4.24   2.77   2.33   1.98
</TABLE>
 
    The pre-tax yields set forth in  the preceding table were calculated by  (i)
determining the monthly discount rates which, when applied to the assumed stream
of  cash  flows to  be  paid on  the Class  A-16  Certificates, would  cause the
discounted present  value of  such assumed  stream  of cash  flows to  equal  an
assumed purchase price for the Class A-16 Certificates of approximately $818,409
which  includes accrued interest from March 1, 1996 to (but not including) March
14, 1996, and (ii)  converting such monthly rates  to corporate bond  equivalent
rates. Such
 
                                     S1-20
<PAGE>
calculation  does not take into account the  interest rates at which an investor
may be able to reinvest funds received by such investor as distributions on  the
Class  A-16 Certificates and consequently does not purport to reflect the return
on any investment in  the Class A-16 Certificates  when such reinvestment  rates
are considered.
 
    The  weighted average lives of the Class  A-16 Certificates set forth in the
preceding  table  were  determined  by  (i)  multiplying  the  amount  of   each
distribution  in  reduction  of  the principal  balance  of  the  Series 1992-47
Certificates by  the  number  of  years  from March  14,  1996  to  the  related
Distribution  Date, (ii) adding  the results and  (iii) dividing the  sum by the
aggregate distributions  in reduction  of the  principal balance  of the  Series
1992-47 Certificates referred to in clause (i).
 
    NOTWITHSTANDING  THE  ASSUMED PREPAYMENT  RATES  REFLECTED IN  THE PRECEDING
TABLE, IT IS HIGHLY UNLIKELY THAT THE MORTGAGE LOANS WILL PREPAY AT ANY CONSTANT
RATE, THAT THE MORTGAGE LOANS WILL PREPAY AT THE SAME RATE OR THAT THE  MORTGAGE
LOANS  WILL NOT EXPERIENCE ANY LOSSES. As a result of these factors, the pre-tax
yield and weighted  average life of  the Class A-16  Certificates are likely  to
differ  from those shown in such table, even if all of the Mortgage Loans prepay
at the indicated percentages of CPR.
 
                    CERTAIN FEDERAL INCOME TAX CONSEQUENCES
 
    Elections have  been made  to treat  the  Trust Estate  as two  REMICs  (the
"Upper-Tier  REMIC" and the "Lower-Tier REMIC") for federal income tax purposes.
The Class A-1, Class A-2, Class A-3, Class A-4, Class A-5, Class A-6, Class A-7,
Class A-8, Class  A-9, Class  A-10, Class A-11,  Class A-12,  Class A-13,  Class
A-14,  Class A-15 and Class A-16 Certificates,  the Class M Certificates and the
Class B Certificates are designated as  the regular interests in the  Upper-Tier
REMIC  and  the Class  A-R and  Class  A-LR Certificates  are designated  as the
residual interests in the Upper-Tier REMIC and Lower-Tier REMIC, respectively.
 
    The Class A-16 Certificates are treated as "qualifying real property  loans"
for  mutual savings banks and domestic  building and loan associations, "regular
interests in a  REMIC" for  domestic building  and loan  associations and  "real
estate assets" for real estate investment trusts, to the extent described in the
Prospectus.
 
    The  Class  A-16  Certificates  generally are  treated  as  debt instruments
originated on the date of original  issuance of the Series 1992-47  Certificates
for  federal income tax purposes. Holders of the Class A-16 Certificates will be
required to  report income  thereon in  accordance with  the accrual  method  of
accounting.  The  Proposed  OID  Regulations discussed  in  the  Prospectus were
withdrawn by subsequently  proposed Treasury regulations  on December 22,  1992.
Final  and temporary Treasury regulations regarding original issue discount (the
"OID Regulations")  were  issued on  February  2,  1994. Although  there  is  no
directly applicable authority with respect to the issuance of the Series 1992-47
Certificates,  the Seller  believes that the  Class A-16  Certificates should be
considered to have been issued with  original issue discount in an amount  equal
to  the excess  of all  distributions of principal  and interest  expected to be
received thereon  over  their issue  price  (including accrued  interest).  This
treatment  is consistent  with the  OID Regulations.  Any "negative"  amounts of
original issue discount  on the  Class A-16 Certificates  attributable to  rapid
prepayments  will not be deductible currently,  but may be offset against future
positive accruals of original issue discount, if any. The holder of a Class A-16
Certificate may be entitled to a loss deduction to the extent it becomes certain
that such holder will not  recover a portion of  its basis in such  Certificate,
assuming  no further prepayments.  The Seller makes no  representation as to the
timing or amount of such losses, if any, or how any such losses will be reported
to the holders. See "Certain Federal Income Tax Consequences--Federal Income Tax
Consequences for REMIC Certificates--Taxation of Regular  Certificates--Original
Issue  Discount" in  the Prospectus.  The adjusted issue  price of  a Class A-16
Certificate as of  the date of  purchase by  an investor is  its original  issue
price,  plus original issue discount accrued since the date of original issuance
of the Series 1992-47 Certificates, less distributions made, and losses, if any,
incurred, on the Class A-16 Certificates since the date of original issuance  of
the  Series 1992-47 Certificates. A purchase  price for a Class A-16 Certificate
that is less than or  greater than the adjusted issue  price of such Class  A-16
Certificate will result in market discount or acquisition premium, respectively,
to  the beneficial owner thereof, as  discussed in the Prospectus under "Certain
Federal Income  Tax  Consequences--Federal  Income Tax  Consequences  for  REMIC
Certificates--Taxation of Regular Certificates."
 
                                     S1-21
<PAGE>
    The  Prepayment Assumption  that is  to be used  in determining  the rate of
accrual of original  issue discount is  set forth in  the Prospectus  Supplement
under    "Federal   Income   Tax   Considerations--Regular   Certificates."   No
representation is made as to  the actual rate at  which the Mortgage Loans  will
prepay.
 
    See "Summary Information--Federal Income Tax Status" and "Federal Income Tax
Considerations"  in the  Prospectus Supplement  and "Certain  Federal Income Tax
Consequences--Federal Income  Tax Consequences  for REMIC  Certificates" in  the
Prospectus.
 
                                  UNDERWRITING
 
    Subject to the terms and conditions of an underwriting agreement and a terms
agreement  (together, the "Underwriting  Agreement") among the  Seller, PHMC and
Bear Stearns &  Co. Inc.,  as underwriter  (the "Underwriter"),  the Class  A-16
Certificates  offered  hereby  are  being  purchased  from  the  Seller  by  the
Underwriter on or about March 14, 1996. The Underwriter is committed to purchase
all of the Class A-16 Certificates offered hereby if any Class A-16 Certificates
are purchased. The Underwriter has advised the Seller that it proposes to  offer
the  Class  A-16  Certificates,  from  time  to  time,  for  sale  in negotiated
transactions or otherwise at prices determined at the time of sale. Proceeds  to
the  Seller from  the sale  of the  Class A-16  Certificates are  expected to be
approximately  0.65%  of  the  Pool  Scheduled  Principal  Balance  as  of   the
Distribution  Date  in April  1996 without  giving  effect to  partial principal
prepayments or  net  partial  liquidation  proceeds received  on  or  after  the
Determination  Date in March 1996,  plus accrued interest from  March 1, 1996 to
(but not  including)  March 14,  1996.  The  Underwriter and  any  dealers  that
participate  with  the  Underwriter  in  the  distribution  of  the  Class  A-16
Certificates may be deemed to be underwriters, and any discounts or  commissions
received by them and any profit on the resale of Class A-16 Certificates by them
may  be deemed to be underwriting  discounts or commissions under the Securities
Act of 1933, as amended (the "Securities Act").
 
    The Underwriting Agreement provides that the Seller and PHMC will  indemnify
the  Underwriter against certain  civil liabilities under  the Securities Act or
contribute to payments which the Underwriter may be required to make in  respect
thereof.
 
                                SECONDARY MARKET
 
    There  will  not be  any secondary  market for  the Class  A-16 Certificates
offered hereby prior to the offering thereof. The Underwriter intends to act  as
a  market maker in the Class A-16 Certificates, subject to applicable provisions
of federal and state securities laws  and other regulatory requirements, but  is
under  no obligation to do so. There can be no assurance that a secondary market
in the Class A-16 Certificates will develop  or, if such a market does  develop,
that  it  will provide  holders  of Class  A-16  Certificates with  liquidity of
investment  at  any  particular  time  or  for  the  life  of  the  Class   A-16
Certificates.
 
                              ERISA CONSIDERATIONS
 
    As  described in the Prospectus under  "ERISA Considerations," ERISA and the
Code impose certain duties and restrictions  on any person which is an  employee
benefit  plan  within the  meaning of  Section 3(3)  of the  Employee Retirement
Income Security Act of 1974, as amended  ("ERISA"), or Code Section 4975 or  any
person  utilizing the assets of such employee benefit plan (an "ERISA Plan") and
certain persons  who perform  services for  ERISA Plans.  Comparable duties  and
restrictions may exist under federal, state or local laws ("Similar Law"), which
are,  to a material  extent, similar to  the foregoing sections  of ERISA or the
Code, on governmental  plans and  on certain  persons who  perform services  for
governmental plans. For example, unless exempted, investment by an ERISA Plan in
the Class A-16 Certificates may constitute a prohibited transaction under ERISA,
the  Code or  Similar Law.  There are  certain exemptions  issued by  the United
States Department of Labor (the "DOL")  that may be applicable to an  investment
by  an  ERISA Plan  in  the Class  A-16  Certificates, including  the individual
administrative  exemption  described  below  and  Prohibited  Transaction  Class
Exemption 83-1 ("PTE 83-1"). For a further discussion of PTE 83-1, including the
necessary  conditions to  its applicability, and  other important  factors to be
considered  by  an  ERISA  Plan  contemplating  investing  in  the  Class   A-16
Certificates, see "ERISA Considerations" in the Prospectus.
 
    On   May  24,  1990,  the  DOL  issued  to  the  Underwriter  an  individual
administrative exemption, Prohibited Transaction  Exemption 90-28, 55 Fed.  Reg.
21456   (the   "Exemption"),  from   certain   of  the   prohibited  transaction
 
                                     S1-22
<PAGE>
rules of  ERISA  with respect  to  the initial  purchase,  the holding  and  the
subsequent  resale by an ERISA Plan  of certificates in pass-through trusts that
meet the considerations and requirements  of the Exemption. The Exemption  might
apply  to the acquisition, holding and resale  of the Class A-16 Certificates by
an ERISA Plan, provided that specified conditions are met.
 
    Among the conditions which would have  to be satisfied for the Exemption  to
apply to the acquisition by an ERISA Plan of the Class A-16 Certificates, is the
condition  that the ERISA  Plan investing in  the Class A-16  Certificates be an
"accredited investor"  as defined  in  Rule 501(a)(1)  of  Regulation D  of  the
Securities and Exchange Commission under the Securities Act.
 
    Before  purchasing a  Class A-16 Certificate,  a fiduciary of  an ERISA Plan
should make its own determination as to the availability of the exemptive relief
provided  in  the  Exemption  or  the  availability  of  any  other   prohibited
transaction  exemptions (including PTE 83-1), and  whether the conditions of any
such exemption will be applicable to the Class A-16 Certificates. Any  fiduciary
of an ERISA Plan considering whether to purchase a Class A-16 Certificate should
also  carefully  review with  its own  legal advisors  the applicability  of the
fiduciary duty and prohibited  transaction provisions of ERISA  and the Code  to
such investment. See "ERISA Considerations" in the Prospectus.
 
                                LEGAL INVESTMENT
 
    The  Class A-16  Certificates will constitute  "mortgage related securities"
for purposes  of the  Secondary Mortgage  Market Enhancement  Act of  1984  (the
"Enhancement  Act") so long as  they are rated in one  of the two highest rating
categories  by   at  least   one   nationally  recognized   statistical   rating
organization.  As such,  the Class A-16  Certificates are  legal investments for
certain entities  to  the  extent  provided in  the  Enhancement  Act.  However,
institutions subject to the jurisdiction of the Office of the Comptroller of the
Currency,  the Board  of Governors  of the  Federal Reserve  System, the Federal
Deposit Insurance Corporation,  the Office of  Thrift Supervision, the  National
Credit  Union Administration  or state  banking or  insurance authorities should
review applicable rules, supervisory policies  and guidelines of these  agencies
before  purchasing a Class A-16 Certificate,  as such Certificates may be deemed
to be unsuitable  investments under  one or more  of these  rules, policies  and
guidelines  and certain restrictions may apply  to investments in the Class A-16
Certificates. It should also be noted that certain states recently have enacted,
or have proposed enacting, legislation  limiting to varying extents the  ability
of  certain entities (in  particular insurance companies)  to invest in mortgage
related securities. Investors should  consult with their  own legal advisors  in
determining  whether and to  what extent the  Class A-16 Certificates constitute
legal investments for such investors. See "Legal Investment" in the Prospectus.
 
                                 LEGAL MATTERS
 
    The validity of  the Class A-16  Certificates and certain  tax matters  with
respect  thereto will be passed upon for  the Seller by Cadwalader, Wickersham &
Taft, New York,  New York. Certain  legal matters  will be passed  upon for  the
Underwriter by Brown & Wood, New York, New York.
 
                                USE OF PROCEEDS
 
    The net proceeds to be received from the sale of the Class A-16 Certificates
will  be applied by  the Seller to the  purchase from an  affiliate of the Class
A-16 Certificates.
 
                                    RATINGS
 
    The Class A-16 Certificates have been  rated "Aaa" by Moody's and "AAAr"  by
S&P.  See "Ratings" in the Prospectus Supplement for a further discussion of the
ratings of  the  Certificates. S&P  assigns  the  additional rating  of  "r"  to
highlight classes of securities that S&P believes may experience high volatility
or high variability in expected returns due to non-credit risks.
 
    The  ratings of  Moody's on  mortgage pass-through  certificates address the
likelihood  of  the  receipt  by  certificateholders  of  all  distributions  of
principal  and interest to  which such certificateholders  are entitled. Moody's
rating opinions address the structural, legal and issuer aspects associated with
the certificates, including the nature of the underlying mortgage loans and  the
credit  quality of the credit support provider, if any. Moody's ratings on pass-
 
                                     S1-23
<PAGE>
through certificates  do not  represent any  assessment of  the likelihood  that
principal   prepayments  may  differ  from   those  originally  anticipated  and
consequently any adverse effect the timing of such prepayments could have on  an
investor's anticipated yield.
 
    S&P's  ratings on mortgage pass-through  certificates address the likelihood
of receipt by  certificateholders of  timely payments of  interest and  ultimate
return of principal. S&P's ratings take into consideration the credit quality of
the  mortgage pool including any credit  support providers, structural and legal
aspects associated with the  certificates, and the extent  to which the  payment
stream  of the  mortgage pool  is adequate to  make payments  required under the
certificates. S&P's ratings on  the certificates do  not, however, constitute  a
statement  regarding the frequency  of prepayments on  the mortgage loans. S&P's
rating does not address the possibility  that investors may suffer a lower  than
anticipated  yield as  a result of  prepayments of the  underlying mortgages. In
addition, it should be noted that in some structures a default on a mortgage  is
treated as a prepayment and may have the same effect on yield as a prepayment.
 
    The  ratings of Moody's  and S&P do  not address the  possibility that, as a
result of principal  prepayments, Certificateholders  may receive  a lower  than
anticipated yield or the possibility that, as a result of prepayments, investors
in  the  Class  A-16  Certificates  may  fail  to  fully  recoup  their  initial
investment.
 
               INCORPORATION OF CERTAIN INFORMATION BY REFERENCE
 
    There are incorporated herein by  reference all documents and reports  filed
or caused to be filed by the Seller with respect to the Trust Estate pursuant to
Section  13(a), 13(c), 14 or 15(d) of the Exchange Act, prior to the termination
of the offering of the Class A-16 Certificates. The Seller will provide or cause
to be  provided  without  charge to  each  person  to whom  this  Supplement  is
delivered  in connection with the offering of the Class A-16 Certificates a list
identifying all  filings with  respect to  a Trust  Estate pursuant  to  Section
13(a),  13(c), 14 or 15(d) of the  Exchange Act since the Seller's latest fiscal
year covered  by its  annual  report on  Form 10-K  and  a copy  of any  or  all
documents  or  reports incorporated  herein by  reference, in  each case  to the
extent such documents or  reports relate to the  Class A-16 Certificates,  other
than  the  exhibits to  such documents  (unless  such exhibits  are specifically
incorporated by reference in such documents).  Requests to the Seller should  be
directed  to:  The  Prudential  Home  Mortgage  Securities  Company,  Inc., 5325
Spectrum Drive, Frederick, Maryland 21701, telephone number (301) 846-8199.
 
                                     S1-24
<PAGE>
PROSPECTUS SUPPLEMENT
(TO PROSPECTUS DATED DECEMBER 3, 1992)
                                  $257,347,000
                                 (APPROXIMATE)
THE PRUDENTIAL HOME MORTGAGE SECURITIES COMPANY, INC.                     [LOGO]
 
                                     SELLER
               MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 1992-47
       PRINCIPAL AND INTEREST PAYABLE MONTHLY, COMMENCING IN JANUARY 1993
                              --------------------
 
    The  Series 1992-47 Mortgage Pass-Through  Certificates (the "Series 1992-47
Certificates") will consist of  one class of senior  certificates (the "Class  A
Certificates")  and  two  classes  of subordinated  certificates  (the  "Class M
Certificates" and  "Class  B  Certificates,"  respectively,  and  together,  the
"Subordinated  Certificates").  The  rights  of  the  holders  of  the  Class  M
Certificates to receive distributions with respect to the Mortgage Loans will be
subordinated to the rights of the holders  of the Class A Certificates, and  the
rights  of the holders of the Class B Certificates to receive distributions with
respect to the Mortgage Loans will be subordinated to the rights of the  holders
of  both the Class A and Class M Certificates to the extent described herein and
in the Prospectus. The Class A Certificates will consist of eighteen  subclasses
(each,  a "Subclass")  of Certificates designated  as the Class  A-1, Class A-2,
Class A-3, Class A-4,  Class A-5, Class  A-6, Class A-7,  Class A-8, Class  A-9,
Class  A-10, Class A-11, Class  A-12, Class A-13, Class  A-14, Class A-15, Class
A-16, Class A-R and Class A-LR Certificates. The Class A-16 Certificates are not
offered hereby. The Class  M Certificates will not  be divided into  subclasses.
The Class B Certificates are not offered hereby. The Class A-1, Class A-2, Class
A-3,  Class A-4, Class  A-5, Class A-6,  Class A-7, Class  A-8, Class A-9, Class
A-10,  Class  A-11,  Class  A-12  and  Class  A-13  Certificates  are   targeted
amortization  class Certificates and are referred  to herein collectively as the
"TAC Certificates." The Class A-14 and  Class A-15 Certificates are referred  to
herein  collectively as the  "Companion Certificates." The  Class A-7, Class A-9
and Class A-10 Certificates are also retail class Certificates and are  referred
to  herein collectively as the "Retail  Certificates." Solely for the purpose of
determining distributions in reduction  of principal balance  of the Class  A-12
Certificates,  the Class A-12 Certificates will be deemed to consist of multiple
components. However, the Beneficial Owner of  a Class A-12 Certificate will  not
have  a severable  interest in  any one  component, but  will have  an undivided
interest in the entire Subclass. The Class A Certificates (other than the  Class
A-16  Certificates)  and  the  Class  M  Certificates  are  referred  to  herein
collectively as the "Offered Certificates"  and are the only Certificates  being
offered hereby.
 
                                                        (CONTINUED ON NEXT PAGE)
 
      THESE SECURITIES DO NOT REPRESENT INTERESTS IN OR OBLIGATIONS OF THE
   PRUDENTIAL HOME MORTGAGE SECURITIES COMPANY, INC. OR ANY AFFILIATE THEREOF.
   NEITHER THESE SECURITIES NOR THE UNDERLYING MORTGAGE LOANS WILL BE INSURED
          OR GUARANTEED BY ANY GOVERNMENTAL AGENCY OR INSTRUMENTALITY.
                          ----------------------------
  THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
       EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
           SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
             COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF THIS
                  PROSPECTUS SUPPLEMENT OR THE PROSPECTUS. ANY
                       REPRESENTATION TO THE CONTRARY IS A
                                CRIMINAL OFFENSE.
<TABLE>
<CAPTION>
            SUBCLASS OR               INITIAL SUBCLASS OR CLASS     PASS-THROUGH
         CLASS DESIGNATION              PRINCIPAL BALANCE (1)           RATE
<S>                                   <C>                         <C>
Class A-1...........................         $27,700,000                6.85%
Class A-2...........................         $24,800,000                6.85%
Class A-3...........................         $17,101,000                6.85%
Class A-4...........................         $40,840,901                 (2)
Class A-5...........................         $   205,231                 (3)
Class A-6...........................         $    10,000                 (4)
Class A-7...........................         $24,383,000                7.50%
Class A-8...........................         $10,000,000                8.00%
Class A-9...........................         $22,000,000                8.00%
 
<CAPTION>
            SUBCLASS OR               INITIAL SUBCLASS OR CLASS     PASS-THROUGH
         CLASS DESIGNATION              PRINCIPAL BALANCE (1)           RATE
<S>                                   <C>                         <C>
Class A-10..........................         $15,000,000                8.00%
Class A-11..........................         $18,492,000                8.00%
Class A-12..........................         $37,000,000                8.00%
Class A-13..........................         $ 1,237,000                8.00%
Class A-14..........................         $11,007,904                 (5)
Class A-15..........................         $ 4,127,964                 (6)
Class A-R...........................         $     1,000                8.00%
Class A-LR..........................         $     1,000              8.00%(7)
Class M.............................         $ 3,440,000                8.00%
</TABLE>
 
(1) Approximate. The initial Subclass or Class Principal Balances are subject to
    adjustment as described herein.
 
(2) During the initial LIBOR Based Interest Accrual Period, interest will accrue
    on  the Class A-4 Certificates  at the rate of  4.05% per annum. During each
    LIBOR Based Interest Accrual Period thereafter, interest will accrue on  the
    Class  A-4 Certificates at a per annum rate equal to the lesser of (i) 0.80%
    plus the arithmetic mean of the London interbank offered rate quotations for
    one-month  Eurodollar  deposits  determined  monthly  as  set  forth  herein
    ("LIBOR")   and  (ii)   approximately  10.00%.   See  "Description   of  the
    Certificates--Interest" herein.
 
(3) During the initial LIBOR Based Interest Accrual Period, interest will accrue
    on the Class A-5 Certificates at  the rate of approximately 1184.05386%  per
    annum.  During each LIBOR Based Interest Accrual Period thereafter, interest
    will accrue on the Class A-5 Certificates at a per annum rate, subject to  a
    minimum  rate of 0% and a maximum  rate of 1830.80278%, equal to 1830.80278%
    minus  (approximately   198.99967  X   LIBOR).  See   "Description  of   the
    Certificates--Interest" herein.
 
(4) Interest  will accrue on the  Class A-6 Certificate each  month in an amount
    equal to the  sum of  (i) the product  of 1/12th  of 0.41% and  the Class  A
    Subclass  Principal  Balance  of the  Class  A-7 Certificates  and  (ii) the
    product of 1/12th of 8.00% and the Class A Subclass Principal Balance of the
    Class A-6 Certificate.
 
(5) During the initial LIBOR Based Interest Accrual Period, interest will accrue
    on the Class A-14 Certificates at the  rate of 4.35% per annum. During  each
    LIBOR  Based Interest Accrual Period thereafter, interest will accrue on the
    Class A-14 Certificates at a per annum rate equal to the lesser of (i) 1.10%
    plus LIBOR and (ii) 11.00%. See "Description of the  Certificates--Interest"
    herein.
 
(6) During the initial LIBOR Based Interest Accrual Period, interest will accrue
    on  the Class A-15  Certificates at the rate  of approximately 17.73333% per
    annum. During each LIBOR Based Interest Accrual Period thereafter,  interest
    will accrue on the Class A-15 Certificates at a per annum rate, subject to a
    minimum  rate of  0% and  a maximum  rate of  26.40%, equal  to 26.40% minus
    (approximately 2.66667  X LIBOR).  See  "Description of  the  Certificates--
    Interest" herein.
 
(7) On the Class A-LR Notional Amount.
 
    The  Offered  Certificates  are  being  offered  by  Kidder,  Peabody  & Co.
Incorporated (the "Underwriter") from time to  time to the public in  negotiated
transactions  or otherwise  at varying  prices to be  determined at  the time of
sale. Proceeds to the Seller from the  sale of the Offered Certificates will  be
99.109375%   of  the  aggregate   initial  principal  balance   of  the  Offered
Certificates, plus  accrued interest  thereon  and on  an  amount equal  to  the
aggregate  initial principal balance of the  Class A-16 Certificates at the rate
of 8.00% per annum  from December 1,  1992 to (but  not including) December  22,
1992,  before deducting expenses payable by the Seller estimated to be $330,000.
The price to  be paid to  the Seller has  not been allocated  among the  Offered
Certificates. See "Underwriting" herein.
 
    The  Offered Certificates are  offered by the  Underwriter, subject to prior
sale, when, as and if delivered to  and accepted by the Underwriter and  subject
to  certain other  conditions. The Underwriter  reserves the  right to withdraw,
cancel or modify such offer and to reject  any order in whole or in part. It  is
expected  that the Offered Certificates  will be ready for  delivery on or about
December 22, 1992 through the facilities of The Depository Trust Company or,  in
the  case of the Class A-4, Class A-5,  Class A-6, Class A-14, Class A-15, Class
A-R, Class A-LR and Class M Certificates, at the office of Kidder, Peabody & Co.
Incorporated, 60  Broad  Street,  New  York, New  York  10004,  against  payment
therefor in immediately available funds.
 
                             KIDDER, PEABODY P CO.
                                  INCORPORATED
                             ----------------------
 
          The date of this Prospectus Supplement is December 16, 1992.
<PAGE>
(CONTINUED FROM PREVIOUS PAGE)
 
    The  Series 1992-47 Certificates  will evidence in  the aggregate the entire
beneficial ownership interest in a trust fund (the "Trust Estate") consisting of
a pool of fixed interest rate, conventional, monthly pay, fully amortizing, one-
to four-family, residential first mortgage loans having original terms to stated
maturity of approximately 30  years, which may include  loans secured by  shares
issued by cooperative housing corporations (the "Mortgage Loans"), together with
certain  related  property,  sold  by The  Prudential  Home  Mortgage Securities
Company, Inc.  (the  "Seller") and  serviced  by The  Prudential  Home  Mortgage
Company,  Inc. (in its capacity as  servicer, the "Servicer," otherwise "PHMC").
See "Description of the  Mortgage Loans" herein. The  Class A Certificates  will
initially  evidence in the aggregate an approximate 92.25% undivided interest in
the principal  balance of  the Mortgage  Loans. The  Class M  Certificates  will
initially  evidence in the aggregate an  approximate 1.25% undivided interest in
the principal balance  of the  Mortgage Loans. The  remaining approximate  6.50%
undivided  interest  in the  principal  balance of  the  Mortgage Loans  will be
evidenced by the Class B Certificates. The Class A-7 and Class A-9  Certificates
will  also  be entitled  to  the benefit  of  an irrevocable  financial guaranty
insurance policy (the  "Policy") to  be issued by  Financial Security  Assurance
Inc.   ("Financial  Security")   pursuant  to  which   Financial  Security  will
unconditionally and irrevocably guarantee the current payment of interest, other
than Non-Supported Interest Shortfalls (as  defined herein), and the payment  of
any  losses of principal allocated  to the Class A-7  or Class A-9 Certificates.
See "Description of the  Certificates--The Financial Guaranty Insurance  Policy"
herein.  The Class A-7 and Class A-9  Certificates are each also entitled to the
benefit  of  a  reserve  fund  as  protection  against  Non-Supported   Interest
Shortfalls up to the amounts of the initial deposits into the respective reserve
fund. See "Description of the Certificates--Interest" herein.
 
    Distributions  in respect of interest  will be made on  the 25th day of each
month or, if such  day is not  a business day, on  the succeeding business  day,
commencing in January 1993, to the holders of Offered Certificates, as described
herein.  The  rights of  the  holders of  the  Class M  Certificates  to receive
distributions of interest will be subordinated  to the rights of the holders  of
the  Class A Certificates to receive  distributions of interest and principal as
described herein. The  amount of interest  accrued on any  Subclass or Class  of
Offered  Certificates will  be reduced  by the  amount of  (i) any Non-Supported
Interest Shortfall and (ii) other losses allocable to such Subclass or Class  as
described   herein   under   "Description  of   the   Certificates--  Interest."
Distributions in reduction of the principal balance of the Class A  Certificates
will  be made monthly on each Distribution  Date in an aggregate amount equal to
the Class A  Principal Distribution  Amount. Distributions in  reduction of  the
principal  balance of  the Class  M Certificates  will be  made monthly  on each
Distribution Date  in  an  aggregate  amount equal  to  the  Class  M  Principal
Distribution Amount after (i) the Class A Certificates have received the Class A
Distribution  Amount, (ii) the amount required  to be paid to Financial Security
as a premium under the Policy has  been paid and (iii) the Class M  Certificates
have  received their  amount of interest  due with respect  to such Distribution
Date. Distributions  in  reduction of  the  principal  balance of  the  Class  A
Certificates  on any Distribution Date will be allocated among the Subclasses of
Class A Certificates in  the manner described herein  under "Description of  the
Certificates--Principal (Including Prepayments)." Distributions to each Subclass
or  undivided  Class  of  Offered  Certificates  will  be  made  pro  rata among
Certificateholders of such Subclass or Class. No Class A Certificateholder  will
have  any right to request early distributions in reduction of principal balance
of any Class A Certificate for any reason whatsoever (including the death of the
holder thereof). No  Certificates of any  Subclass will be  selected to  receive
distributions by random lot.
 
    THE  YIELD  TO MATURITY  OF THE  OFFERED CERTIFICATES  WILL BE  SENSITIVE IN
VARYING DEGREES  TO  THE  RATE  AND  TIMING  OF  PRINCIPAL  PAYMENTS  (INCLUDING
PREPAYMENTS)  ON THE MORTGAGE  LOANS, WHICH MAY  BE PREPAID AT  ANY TIME WITHOUT
PENALTY. INVESTORS IN  THE OFFERED CERTIFICATES  SHOULD CONSIDER THE  ASSOCIATED
RISKS,  INCLUDING, IN THE CASE OF  OFFERED CERTIFICATES PURCHASED AT A DISCOUNT,
THE RISK THAT A SLOWER THAN ANTICIPATED RATE OF PAYMENTS IN RESPECT OF PRINCIPAL
(INCLUDING PREPAYMENTS) ON THE  MORTGAGE LOANS COULD RESULT  IN AN ACTUAL  YIELD
THAT  IS  LOWER  THAN  ANTICIPATED  AND, IN  THE  CASE  OF  OFFERED CERTIFICATES
PURCHASED AT A PREMIUM, PARTICULARLY THE  CLASS A-5 AND CLASS A-6  CERTIFICATES,
THAT  A  FASTER  THAN  ANTICIPATED  RATE OF  PAYMENTS  IN  RESPECT  OF PRINCIPAL
(INCLUDING PREPAYMENTS) ON THE  MORTGAGE LOANS COULD RESULT  IN AN ACTUAL  YIELD
THAT  IS  LOWER THAN  ANTICIPATED.  INVESTORS IN  THE  CLASS A-5  AND  CLASS A-6
CERTIFICATES SHOULD ALSO  CONSIDER THE  RISK THAT A  RAPID RATE  OF PAYMENTS  IN
RESPECT OF PRINCIPAL (INCLUDING PREPAYMENTS) COULD RESULT IN THE FAILURE OF SUCH
INVESTORS  TO FULLY RECOVER THEIR INITIAL INVESTMENTS. THE YIELD TO INVESTORS IN
THE CLASS A-5 CERTIFICATES WILL BE  HIGHLY SENSITIVE AND THE YIELD TO  INVESTORS
IN  THE  CLASS  A-15 CERTIFICATES  WILL  BE  SENSITIVE TO  THE  LEVEL  OF LIBOR.
RELATIVELY SMALL INCREASES IN THE LEVEL  OF LIBOR WILL HAVE A MATERIAL  NEGATIVE
EFFECT  ON THE YIELD TO INVESTORS IN  THE CLASS A-5 CERTIFICATES AND HIGH LEVELS
OF LIBOR WILL HAVE A MATERIAL NEGATIVE  EFFECT ON THE YIELD TO INVESTORS IN  THE
CLASS  A-15 CERTIFICATES. THE YIELD TO MATURITY OF THE CLASS M CERTIFICATES WILL
BE MORE SENSITIVE TO THE AMOUNT AND TIMING OF LOSSES DUE TO LIQUIDATIONS OF  THE
MORTGAGE  LOANS THAN  THE CLASS A  CERTIFICATES, IN  THE EVENT THAT  THE CLASS B
PRINCIPAL  BALANCE  HAS  BEEN   REDUCED  TO  ZERO.   SEE  "DESCRIPTION  OF   THE
CERTIFICATES--INTEREST",  "--PRINCIPAL (INCLUDING PREPAYMENTS)" AND "--SUBORDIN-
ATION OF CLASS  M AND  CLASS B CERTIFICATES"  HEREIN AND  "PREPAYMENT AND  YIELD
CONSIDERATIONS" HEREIN AND IN THE PROSPECTUS.
 
    THE   WEIGHTED  AVERAGE  LIVES   OF  THE  COMPANION   CERTIFICATES  WILL  BE
PARTICULARLY SENSITIVE TO THE RATE OF  PREPAYMENT ON THE MORTGAGE LOANS ABOVE  A
CERTAIN CONSTANT PREPAYMENT LEVEL BECAUSE PAYMENTS OF PRINCIPAL ALLOCATED TO THE
CLASS A CERTIFICATES IN EXCESS OF AMOUNTS RESULTING FROM SUCH A PREPAYMENT LEVEL
WILL BE PAID TO THE HOLDERS OF THE COMPANION CERTIFICATES PRIOR TO BEING PAID TO
THE  HOLDERS OF THE TAC CERTIFICATES.  SEE "PREPAYMENT AND YIELD CONSIDERATIONS"
HEREIN."
 
    The Retail  Certificates  may  not  be an  appropriate  investment  for  all
prospective  investors.  Although the  Underwriter intends  to make  a secondary
market in the Retail Certificates, it has  no obligation to do so, and any  such
market-making  may be  discontinued at  any time. In  addition, there  can be no
assurance that an investor will be able to sell a Retail Certificate at a  price
which  is  equal to  or greater  than the  price at  which such  Certificate was
purchased.
 
    The Offered Certificates (other  than the Class A-4,  Class A-5, Class  A-6,
Class  A-14, Class A-15, Class A-R, Class A-LR and Class M Certificates) will be
issued only in  book-entry form (the  "Book-Entry Certificates") and  purchasers
thereof  will not be  entitled to receive definitive  certificates except in the
limited circumstances  set forth  herein. The  Book-Entry Certificates  will  be
registered  in  the name  of  Cede &  Co., as  nominee  of The  Depository Trust
Company, which will be the "holder" or "Certificateholder" of such Certificates,
as such terms are used herein. See "Description of the Certificates" herein.
 
    There is  currently no  secondary market  for the  Offered Certificates  and
there  can be no assurance  that a secondary market will  develop or, if it does
develop, that it will provide Certificateholders with liquidity of investment at
any particular time or for the life of the Offered Certificates. The Underwriter
intends to  act  as a  market  maker in  the  Offered Certificates,  subject  to
applicable  provisions of federal and state securities laws and other regulatory
requirements, but is under no obligation to do so. THE CLASS M CERTIFICATES  MAY
NOT  BE PURCHASED BY OR TRANSFERRED TO AN ERISA PLAN EXCEPT UPON THE DELIVERY OF
AN OPINION OF COUNSEL AS PROVIDED HEREIN.  IN ADDITION, THE CLASS A-R AND  CLASS
A-LR  CERTIFICATES MAY NOT BE PURCHASED BY OR TRANSFERRED TO (I) A "DISQUALIFIED
ORGANIZATION"  OR  "BOOK-ENTRY  NOMINEE,"  (II)  EXCEPT  UNDER  CERTAIN  LIMITED
CIRCUMSTANCES,  PERSONS WHO ARE NOT "U.S. PERSONS,"  (III) AN ERISA PLAN OR (IV)
ANY PERSON OR ENTITY WHO THE TRANSFEROR HAS REASON TO BELIEVE INTENDS TO  IMPEDE
THE  ASSESSMENT  OR COLLECTION  OF  ANY FEDERAL,  STATE  OR LOCAL  TAXES LEGALLY
REQUIRED TO  BE  PAID  WITH  RESPECT THERETO.  See  "ERISA  Considerations"  and
"Description  of the Certificates--  Restrictions on Transfer  of the Class A-R,
Class A-LR and  Class M Certificates"  herein, and "Certain  Federal Income  Tax
Consequences--Federal  Income Tax Consequences  for REMIC Certificates--Taxation
of Residual  Certificates--Tax-Related  Restrictions  on  Transfer  of  Residual
Certificates" in the Prospectus.
 
    For  federal income tax purposes, the Trust  Estate will consist of two real
estate mortgage investment conduits (each a "REMIC" or, in the alternative,  the
"Lower-Tier  REMIC" and the "Upper-Tier REMIC," respectively). As described more
fully herein and in the Prospectus, the  Class A-1, Class A-2, Class A-3,  Class
A-4,  Class A-5, Class A-6,  Class A-7, Class A-8,  Class A-9, Class A-10, Class
A-11,  Class  A-12,  Class  A-13,  Class   A-14,  Class  A-15  and  Class   A-16
Certificates,  the  Class  M  Certificates and  the  Class  B  Certificates will
constitute the "regular interests" in the Upper-Tier REMIC and the Class A-R and
Class  A-LR  Certificates  will  constitute  the  "residual  interests"  in  the
Upper-Tier  REMIC and Lower-Tier REMIC,  respectively. PROSPECTIVE INVESTORS ARE
CAUTIONED THAT THE CLASS  A-R CERTIFICATEHOLDER'S REMIC  TAXABLE INCOME AND  THE
TAX LIABILITY THEREON WILL, AND THE CLASS A-LR CERTIFICATEHOLDER'S REMIC TAXABLE
INCOME  AND THE  TAX LIABILITY  THEREON MAY,  EXCEED CASH  DISTRIBUTIONS TO SUCH
HOLDERS DURING CERTAIN PERIODS, IN WHICH EVENT SUCH HOLDERS MUST HAVE SUFFICIENT
ALTERNATIVE  SOURCES  OF  FUNDS  TO   PAY  SUCH  TAX  LIABILITY.  See   "Summary
Information--Federal  Income Tax Status" and "Federal Income Tax Considerations"
herein  and  "Certain  Federal  Income  Tax  Consequences--Federal  Income   Tax
Consequences for REMIC Certificates" in the Prospectus.
 
    The  Class A Certificates (other than the Class A-16 Certificates) represent
seventeen Subclasses of a Class and  the Class M Certificates represent a  Class
of a separate Series of Certificates being offered by the Seller pursuant to the
Prospectus  dated December 3, 1992  accompanying this Prospectus Supplement. Any
prospective investor  should not  purchase  any Offered  Certificates  described
herein  unless  it  shall  have  received  the  Prospectus  and  this Prospectus
Supplement. The  Prospectus  shall  not  be  considered  complete  without  this
Prospectus  Supplement. The Prospectus  contains important information regarding
this offering which is not contained herein, and prospective investors are urged
to read, in full, the Prospectus and this Prospectus Supplement.
                            ------------------------
 
    UNTIL MARCH  18, 1993,  ALL DEALERS  EFFECTING TRANSACTIONS  IN THE  OFFERED
CERTIFICATES, WHETHER OR NOT PARTICIPATING IN THIS DISTRIBUTION, MAY BE REQUIRED
TO  DELIVER A PROSPECTUS SUPPLEMENT  AND PROSPECTUS. THIS IS  IN ADDITION TO THE
OBLIGATION OF DEALERS  TO DELIVER  A PROSPECTUS SUPPLEMENT  AND PROSPECTUS  WHEN
ACTING   AS  UNDERWRITERS  AND  WITH  RESPECT  TO  THEIR  UNSOLD  ALLOTMENTS  OR
SUBSCRIPTIONS.
 
                                      S-2
<PAGE>
                               TABLE OF CONTENTS
 
                             PROSPECTUS SUPPLEMENT
 
<TABLE>
<CAPTION>
                                                                             PAGE
                                                                             ----
<S>                                                                          <C>
Summary Information........................................................  S-4
Description of the Certificates............................................  S-22
  General..................................................................  S-22
  Book-Entry Registration..................................................  S-22
  Definitive Certificates..................................................  S-23
  Distributions............................................................  S-24
  Interest.................................................................  S-26
  Determination of LIBOR...................................................  S-31
  Principal (Including Prepayments)........................................  S-32
    CALCULATION OF AMOUNT TO BE DISTRIBUTED TO THE CLASS A CERTIFICATES....  S-32
    CALCULATION OF AMOUNT TO BE DISTRIBUTED TO THE CLASS M CERTIFICATES....  S-35
    ALLOCATION OF AMOUNT TO BE DISTRIBUTED TO THE CLASS A AND CLASS M
     CERTIFICATES..........................................................  S-36
    PRINCIPAL PAYMENT CHARACTERISTICS OF THE TAC CERTIFICATES, TAC
     COMPONENTS AND COMPANION CERTIFICATES.................................  S-42
  Additional Rights of the Class A-R and Class A-LR Certificateholders.....  S-43
  Periodic Advances........................................................  S-44
  The Financial Guaranty Insurance Policy..................................  S-45
  Financial Security Assurance Inc.........................................  S-46
  Restrictions on Transfer of the Class A-R, Class A-LR and Class M
   Certificates............................................................  S-48
  Reports..................................................................  S-49
  Subordination of Class M and Class B Certificates........................  S-49
    ALLOCATION OF LOSSES...................................................  S-50
Description of the Mortgage Loans..........................................  S-53
  Mandatory Repurchase or Substitution of Mortgage Loans...................  S-59
  Optional Repurchase of Defaulted Mortgage Loans..........................  S-59
Origination, Delinquency and Foreclosure Experience........................  S-60
  Loan Origination.........................................................  S-60
  Delinquency and Foreclosure Experience...................................  S-60
Prepayment and Yield Considerations........................................  S-64
  Sensitivity of the Class A-5 and Class A-15 Certificates.................  S-71
  Sensitivity of the Class A-6 Certificate.................................  S-73
Pooling and Servicing Agreement............................................  S-73
  General..................................................................  S-73
  Voting...................................................................  S-74
  Trustee..................................................................  S-74
  Servicing Compensation and Payment of Expenses...........................  S-74
  Optional Termination.....................................................  S-75
Federal Income Tax Considerations..........................................  S-75
  Regular Certificates.....................................................  S-76
  Residual Certificates....................................................  S-76
ERISA Considerations.......................................................  S-78
Legal Investment...........................................................  S-79
Secondary Market...........................................................  S-79
Underwriting...............................................................  S-79
Legal Matters..............................................................  S-80
Use of Proceeds............................................................  S-80
Ratings....................................................................  S-80
Index of Significant Prospectus Supplement Definitions.....................  S-81
</TABLE>
 
                                      S-3
<PAGE>
                              SUMMARY INFORMATION
 
    THE  FOLLOWING IS  QUALIFIED IN  ITS ENTIRETY  BY REFERENCE  TO THE DETAILED
INFORMATION APPEARING  ELSEWHERE  IN  THIS  PROSPECTUS  SUPPLEMENT  AND  IN  THE
ACCOMPANYING  PROSPECTUS  (THE  "PROSPECTUS"). CAPITALIZED  TERMS  USED  IN THIS
PROSPECTUS SUPPLEMENT  AND  NOT  OTHERWISE  DEFINED  HEREIN  HAVE  THE  MEANINGS
ASSIGNED  IN  THE PROSPECTUS.  SEE "INDEX  OF SIGNIFICANT  PROSPECTUS SUPPLEMENT
DEFINITIONS" HEREIN AND "INDEX OF SIGNIFICANT DEFINITIONS" IN THE PROSPECTUS.
 
<TABLE>
<S>                      <C>
Title of Securities....  Mortgage Pass-Through Certificates, Series 1992-47 (the
                         "Series 1992-47 Certificates" or the "Certificates").
 
Seller.................  The Prudential Home  Mortgage Securities Company,  Inc.
                         (the "Seller"). See "The Seller" in the Prospectus.
 
Servicer...............  The  Prudential  Home  Mortgage Company,  Inc.  (in its
                         capacity  as  servicer,   the  "Servicer;"   otherwise,
                         "PHMC").  See  "Servicing  of the  Mortgage  Loans" and
                         "PHMC--General" in the Prospectus.
 
Trustee................  First Trust  National Association,  a national  banking
                         association (the "Trustee"). See "Pooling and Servicing
                         Agreement--Trustee" in this Prospectus Supplement.
 
Rating of
  Certificates.........  It  is  a  condition to  the  issuance of  the  Class A
                         Certificates offered by this Prospectus Supplement  and
                         the Prospectus that they shall have been rated "Aaa" by
                         Moody's  Investors Service, Inc.  ("Moody's") and "AAA"
                         by Standard  &  Poor's  Corporation ("S&P").  It  is  a
                         condition  to the issuance of  the Class M Certificates
                         that they shall  have been rated  "Aa2" by Moody's  and
                         "AA"  by S&P.  The ratings by  Moody's and  S&P are not
                         recommendations to buy, sell or hold such  Certificates
                         and  may be  subject to  revision or  withdrawal at any
                         time by the assigning rating agency. The ratings do not
                         address the possibility that, as a result of  principal
                         prepayments, holders of such Certificates may receive a
                         lower   than  anticipated  yield.   See"--  Effects  of
                         Prepayments  on  Investment  Expectations"  below   and
                         "Ratings" in this Prospectus Supplement.
 
Description of
  Certificates.........  The Series 1992-47 Certificates will consist of Class A
                         Certificates,   Class  M   Certificates  and   Class  B
                         Certificates. The Class A Certificates represent a type
                         of interest referred  to in the  Prospectus as  "Senior
                         Certificates;" and the Class M and Class B Certificates
                         represent  a  type  of  interest  referred  to  in  the
                         Prospectus as  "Subordinated  Certificates."  As  these
                         designations  suggest,  the  Class  A  Certificates are
                         entitled to a certain priority, relative to the Class M
                         and Class B Certificates, in right of distributions  on
                         the   Mortgage  Loans  underlying  the  Series  1992-47
                         Certificates. As between the  Class M Certificates  and
                         the  Class B Certificates, the Class M Certificates are
                         entitled  to   a   certain   priority   in   right   of
                         distributions  on the  Mortgage Loans.  See "--Distrib-
                         utions of Principal and Interest" below.
 
                         Initially, the Class  A Certificates  will evidence  in
                         the  aggregate  an  approximate  92.25%  (approximately
                         $253,908,000)  undivided   interest  in   the   initial
                         aggregate  principal balance of the Mortgage Loans; the
                         Class M Certificates will evidence in the aggregate  an
</TABLE>
 
                                      S-4
<PAGE>
 
<TABLE>
<S>                      <C>
                         approximate  1.25% (approximately $3,440,000) undivided
                         interest in the initial aggregate principal balance  of
                         the  Mortgage Loans; and the  Class B Certificates will
                         evidence  in   the  aggregate   an  approximate   6.50%
                         (approximately  $17,891,557) undivided  interest in the
                         initial aggregate  principal  balance of  the  Mortgage
                         Loans.  The  relative interests  in the  aggregate out-
                         standing  principal  balance  of  the  Mortgage   Loans
                         represented  by  the  Class  A,  Class  M  and  Class B
                         Certificates are subject to change over time because of
                         the disproportionate allocation of certain  unscheduled
                         principal  payments to  the Class A  Certificates for a
                         specified period and the  allocation of certain  losses
                         and   certain   shortfalls   first  to   the   Class  B
                         Certificates  until  the  aggregate  principal  balance
                         thereof  has been reduced to zero and then to the Class
                         M Certificates  until the  aggregate principal  balance
                         thereof   has  been  reduced  to  zero,  prior  to  the
                         allocation of such losses and shortfalls to the Class A
                         Certificates,  as  discussed  in  "--Distributions   of
                         Principal and Interest" and
                         "--Credit Enhancement" below.
 
                         The  Class  A-7  and  Class  A-9  Certificates  will be
                         entitled to  the benefit  of an  irrevocable  financial
                         guaranty  insurance  policy to  be issued  by Financial
                         Security pursuant  to  which  Financial  Security  will
                         unconditionally  and irrevocably  guarantee the current
                         payment of interest, other than Non-Supported  Interest
                         Shortfalls,  and the payment of any losses of principal
                         allocated to the Class  A-7 or Class A-9  Certificates.
                         See  "Description  of  the  Certificates--The Financial
                         Guaranty   Insurance   Policy"   in   this   Prospectus
                         Supplement.  The Class  A-7 and  Class A-9 Certificates
                         are each also entitled to the benefit of a reserve fund
                         as protection against Non-Supported Interest Shortfalls
                         up to  the amounts  of the  initial deposits  into  the
                         respective   reserve  fund.  See  "Description  of  the
                         Certificates--Interest" in this Prospectus Supplement.
 
                         The Class  A  Certificates  will  consist  of  eighteen
                         subclasses,  designated  as the  Class A-1,  Class A-2,
                         Class A-3, Class A-4, Class A-5, Class A-6, Class  A-7,
                         Class  A-8, Class  A-9, Class  A-10, Class  A-11, Class
                         A-12, Class A-13, Class  A-14, Class A-15, Class  A-16,
                         Class  A-R  and Class  A-LR  Certificates. The  Class M
                         Certificates will not be  divided into subclasses.  The
                         Class   A  Certificates  (other  than  the  Class  A-16
                         Certificates) and Class M Certificates are referred  to
                         in   this   Prospectus  Supplement   as   the  "Offered
                         Certificates."   References   to   the    "Subordinated
                         Certificates"   are  to   the  Class  M   and  Class  B
                         Certificates. The Class A-16  and Class B  Certificates
                         are  not offered hereby and may  be retained or sold by
                         the Seller.
 
                         The Class A-1, Class A-2,  Class A-3, Class A-4,  Class
                         A-5,  Class A-6, Class A-7, Class A-8, Class A-9, Class
                         A-10,  Class   A-11,   Class  A-12   and   Class   A-13
                         Certificates    are    targeted    amortization   class
                         Certificates and are referred to herein collectively as
                         the "TAC Certificates." The  Class A-14 and Class  A-15
                         Certificates are referred to herein collectively as the
                         "Companion  Certificates" because payments of principal
                         allocated to the
</TABLE>
 
                                      S-5
<PAGE>
 
<TABLE>
<S>                      <C>
                         Class A  Certificates in  excess of  amounts  resulting
                         from  a certain constant prepayment  level will be paid
                         to the  holders of  the Companion  Certificates,  while
                         such  Certificates  remain  outstanding,  prior  to the
                         holders of the  TAC Certificates.  See "Description  of
                         the Certificates--Principal (including Prepayments)" in
                         this  Prospectus Supplement. Solely  for the purpose of
                         determining distributions  in  reduction  of  principal
                         balance,  the Class A-12 Certificates will be deemed to
                         consist of  multiple  components as  described  herein.
                         HOWEVER, THE OWNER OF A CLASS A-12 CERTIFICATE WILL NOT
                         HAVE  A SEVERABLE  INTEREST IN  ANY ONE  COMPONENT, BUT
                         WILL HAVE AN UNDIVIDED INTEREST IN THE ENTIRE SUBCLASS.
 
                         The Offered Certificates have the approximate aggregate
                         initial principal balances  set forth on  the cover  of
                         this  Prospectus Supplement. Any difference between the
                         aggregate principal balance of the Class A and Class  M
                         Certificates  as of the date  of issuance of the Series
                         1992-47  Certificates  and   the  approximate   initial
                         aggregate  principal balance of the Class A and Class M
                         Certificates  as  of  the   date  of  this   Prospectus
                         Supplement  will  not,  with  respect  to  the  Class A
                         Certificates (other than the Class A-16  Certificates),
                         exceed 5% of the initial aggregate principal balance of
                         such  Class A Certificates stated  on the cover of this
                         Prospectus Supplement and, with respect to the Class  M
                         Certificates,  will depend  on the  final subordination
                         levels  for  the   Series  1992-47  Certificates.   Any
                         difference  allocated to the  Class A Certificates will
                         be  allocated   among  the   subclasses  of   Class   A
                         Certificates  other than the Class  A-16, Class A-R and
                         Class A-LR Certificates.
 
Forms of Certificates;
  Denominations........  BOOK-ENTRY FORM.  The Offered Certificates (other  than
                         the  Class A-4, Class A-5, Class A-6, Class A-14, Class
                         A-15, Class A-R, Class  A-LR and Class M  Certificates)
                         will   be  issued  in   book-entry  form,  through  the
                         facilities of  The  Depository Trust  Company  ("DTC").
                         These  Certificates are  referred to,  collectively, in
                         this Prospectus Supplement as the "Book-Entry  Certifi-
                         cates."   An  investor  in  a  subclass  of  Book-Entry
                         Certificates will  not receive  a physical  certificate
                         representing  its ownership interest in such Book-Entry
                         Certificates, except under extraordinary circumstances,
                         which   are   discussed   in   "Description   of    the
                         Certificates--Definitive  Certificates"  in  this  Pro-
                         spectus Supplement. Instead,  DTC will effect  payments
                         and  transfers by means of its electronic recordkeeping
                         services,   acting   through   certain    participating
                         organizations.  This  may result  in certain  delays in
                         receipt  of  distributions  by  an  investor  and   may
                         restrict   an   investor's   ability   to   pledge  its
                         securities. The rights of  investors in the  Book-Entry
                         Certificates  may generally  only be  exercised through
                         DTC   and   its   participating   organizations.    See
                         "Description  of the Certificates--Book-Entry Registra-
                         tion" in this Prospectus Supplement.
 
                         The Book-Entry Certificates (other than the Class  A-7,
                         Class  A-9 and Class A-10  Certificates) will be issued
                         in minimum denominations of $100,000 initial  principal
                         balance. Any amounts in
</TABLE>
 
                                      S-6
<PAGE>
 
<TABLE>
<S>                      <C>
                         excess  of $100,000  will be  in integral  multiples of
                         $1,000 initial  principal balance.  The Class  A-7  and
                         Class  A-9  Certificates  will  be  issued  in  minimum
                         denominations of $1,000 initial principal balance.  Any
                         amounts  in  excess  of  $1,000  will  be  in  integral
                         multiples of  $1,000  initial  principal  balance.  The
                         Class  A-10  Certificates  will  be  issued  in minimum
                         denominations of $10,000 initial principal balance. Any
                         amounts in  excess  of  $10,000  will  be  in  integral
                         multiples of $1,000 intitial principal balance.
 
                         CERTIFICATED  FORM.   The Class  A-4, Class  A-5, Class
                         A-6, Class A-14, Class A-15, Class A-R, Class A-LR  and
                         Class   M  Certificates   will  be   offered  in  fully
                         registered, certificated form. Accordingly, an investor
                         in any such subclass or class will be issued a physical
                         certificate representing  its ownership  interest.  The
                         Class  A-4,  Class  A-5,  Class  A-14  and  Class  A-15
                         Certificates will be issued in minimum denominations of
                         $100,000 initial  principal  balance.  Any  amounts  in
                         excess  of $100,000 will be in integral multiples of $1
                         initial principal  balance. The  Class A-6  Certificate
                         will be issued as a single certificate with a denomina-
                         tion of $10,000 initial principal balance.
 
                         The  Class  M Certificates  will  be issued  in minimum
                         denominations of  $100,000 initial  principal  balance.
                         Any  amounts in excess of  $100,000 will be in integral
                         multiples of  $1,000  initial  principal  balance.  The
                         Class  A-R  and Class  A-LR  Certificates will  each be
                         issued as a single  certificate with a denomination  of
                         $1,000  initial principal balance.  See "Description of
                         the   Certificates--General"    in   this    Prospectus
                         Supplement.
 
Mortgage Loans.........  MORTGAGE  LOAN DATA.  The Mortgage Loans, which are the
                         source  of  distributions  to  holders  of  the  Series
                         1992-47   Certificates,  are  expected  to  consist  of
                         conventional, fixed interest  rate, monthly pay,  fully
                         amortizing,  one-  to  four-family,  residential  first
                         mortgage  loans,  having   original  terms  to   stated
                         maturity  of approximately 30  years, which may include
                         loans secured by shares  issued by cooperative  housing
                         corporations.
 
                         The  Mortgage Loans  are expected  to have  the further
                         specifications set  forth in  the following  table  and
                         under  the heading "Description  of the Mortgage Loans"
                         in this Prospectus Supplement.
</TABLE>
 
                                      S-7
<PAGE>
 
<TABLE>
<S>                      <C>
SELECTED MORTGAGE  LOAN
  DATA
(AS  OF  THE  CUT-OFF DATE)
 
Cut-Off Date:                December 1, 1992
Number of Mortgage Loans:    1,124
Aggregate Unpaid  Principal
  Balance (1):               $275,239,557
 
Range  of  Unpaid Principal  $24,984 to $979,437
  Balances (1):
Average  Unpaid   Principal
  Balance (1):               $244,875
 
Range of Interest Rates:     8.250% to 10.250%
Weighted  Average  Interest  8.558%
  Rate (1):
 
Range of Remaining Terms to
  Stated Maturity:           343 months to 360 months
Weighted Average  Remaining
  Term to Stated
  Maturity (1):              358 months
 
Range of Original
  Loan-to-Value Ratios:      10.00% to 90.00%
Weighted  Average  Original
  Loan-to-Value Ratio (1):   72%
 
Geographic Concentration of
  Mortgaged Properties
  Securing  Mortgage  Loans
  in  Excess  of 5%  of the
  Aggregate Unpaid
  Principal Balance(1):      California 60.46%
                             New York  7.91%
                             New Jersey 6.44%
 
(1) approximate
- --------------------------------------------------------------------------------
</TABLE>
 
<TABLE>
<S>                      <C>
                         CHANGES TO POOL.  A number of Mortgage Loans may be re-
                         moved from the pool, or a substitution may be made  for
                         certain  Mortgage Loans, in advance  of the issuance of
                         the Series 1992-47 Certificates  (which is expected  to
                         occur  on or about December  22, 1992). This may result
                         in changes in certain  of the pool characteristics  set
                         forth   in  the  table  above  and  elsewhere  in  this
                         Prospectus Supplement. See "Description of the Mortgage
                         Loans" in this Prospectus Supplement.
 
                         Subsequent  to  the  issuance  of  the  Series  1992-47
                         Certificates,  certain  Mortgage Loans  may  be removed
                         from the  pool  through repurchase  or,  under  certain
                         circumstances,  substitution  by  the  Seller,  if  the
                         Mortgage  Loans  are   discovered  to  have   defective
                         documentation  or if  they otherwise do  not conform to
                         the   standards    established    by    the    Seller's
                         representations  and warranties concerning the Mortgage
                         Loans.  See  "Description   of  the  Mortgage   Loans--
                         Mandatory Repurchase or Substitution of Mortgage Loans"
                         in  this  Prospectus  Supplement. The  Seller  may also
                         repurchase
</TABLE>
 
                                      S-8
<PAGE>
 
<TABLE>
<S>                      <C>
                         defaulted  Mortgage  Loans.  See  "Description  of  the
                         Mortgage   Loans--Optional   Repurchase   of  Defaulted
                         Mortgage Loans" in this Prospectus Supplement.
 
                         The Servicer is entitled, subject to certain conditions
                         relating to  the then-remaining  size of  the pool,  to
                         purchase all outstanding Mortgage Loans in the pool and
                         thereby  effect early retirement  of the Series 1992-47
                         Certificates. See  "Pooling and  Servicing  Agreement--
                         Optional Termination" in this Prospectus Supplement.
 
Distributions of
  Principal and
  Interest.............  DISTRIBUTIONS  IN GENERAL. Distributions  on the Series
                         1992-47 Certificates will  be made on  the 25th day  of
                         each  month or, if  such day is not  a business day, on
                         the succeeding business day (each such date is referred
                         to in  this Prospectus  Supplement as  a  "Distribution
                         Date"),  commencing  in  January  1993,  to  holders of
                         record at the  close of business  on the last  business
                         day  of  the  preceding  month.  In  the  case  of  the
                         Book-Entry Certificates, the holder  of record will  be
                         DTC.
 
                         The   amount   available   for   distribution   on  any
                         Distribution Date is primarily a function of the amount
                         remitted by mortgagors of the Mortgage Loans in payment
                         of  their  scheduled  installments  of  principal   and
                         interest,  as well as the amount of prepayments made by
                         the  mortgagors  and  proceeds  from  liquidations   of
                         defaulted Mortgage Loans.
 
                         On  any  Distribution  Date,  holders  of  the  Class A
                         Certificates will be  entitled to  receive all  amounts
                         due  them before any distributions  are made to holders
                         of the  Class  M  and  Class  B  Certificates  on  that
                         Distribution  Date. The amount that  is available to be
                         distributed on any Distribution Date will be  allocated
                         first  to  pay  interest  due holders  of  the  Class A
                         Certificates and the amounts required  to be paid as  a
                         premium  to Financial Security as described below under
                         "Interest  Distributions"  and  then,  if  the   amount
                         available  for  distribution exceeds  such  amounts, to
                         reduce the outstanding principal balance of the Class A
                         Certificates.  The  likelihood  that  a  holder  of   a
                         particular  subclass of  the Class  A Certificates will
                         receive principal  distributions  on  any  Distribution
                         Date will depend on the priority in which such subclass
                         is  entitled to  principal distributions,  as set forth
                         under the heading "Description of the
                         Certificates--Principal (Including Prepayments)--
                         Allocation of Amount to be  Distributed to the Class  A
                         and   Class   M   Certificates"   in   this  Prospectus
                         Supplement.
 
                         After all amounts due on  the Class A Certificates  for
                         any Distribution Date have been paid, together with the
                         premium  payment due to  Financial Security, the amount
                         remaining will be distributed, in the following  order,
                         to  (i)  pay  interest  due  holders  of  the  Class  M
                         Certificates, (ii)  reduce  the  outstanding  principal
                         balance of the Class M Certificates, (iii) pay interest
                         due to the holders of the Class B Certificates and (iv)
                         reduce the outstanding principal balance of the Class B
                         Certificates.
</TABLE>
 
                                      S-9
<PAGE>
 
<TABLE>
<S>                      <C>
                         If  any  mortgagor  is  delinquent  in  the  payment of
                         principal or interest on a Mortgage Loan in any  month,
                         the  Servicer  will  advance  such  payment  unless the
                         Servicer determines that the delinquent amount will not
                         be recoverable by it from liquidation proceeds or other
                         recoveries  on   the   related   Mortgage   Loan.   See
                         "Description of the Certificates--Periodic Advances" in
                         this Prospectus Supplement.
 
                         INTEREST DISTRIBUTIONS. The amount of interest to which
                         holders   of   each  subclass   or  class   of  Offered
                         Certificates, other than the  Class A-6 and Class  A-LR
                         Certificates, will be entitled each month is calculated
                         based  on  the  outstanding principal  balance  of that
                         subclass or class, as of the related Distribution Date.
                         Interest will accrue each  month on each such  subclass
                         or  class according to the following formula: 1/12th of
                         the  pass-through  rate  for  such  subclass  or  class
                         multiplied by the outstanding principal balance of such
                         subclass  or class as of the related Distribution Date.
                         The pass-through  rate for  each such  subclass  (other
                         than  the Class  A-4, Class  A-5, Class  A-14 and Class
                         A-15 Certificates) or class is the percentage set forth
                         on  the  cover  of  this  Prospectus  Supplement.   The
                         pass-through  rates for the Class A-4, Class A-5, Class
                         A-14 and Class A-15 Certificates will be determined  as
                         described below.
 
                         During  the initial LIBOR Based Interest Accrual Period
                         (as described  below), the  pass-through rate  for  the
                         Class  A-4 Certificates will be 4.05% per annum. During
                         each subsequent  LIBOR Based  Interest Accrual  Period,
                         the  pass-through rate  for the  Class A-4 Certificates
                         will be a  per annum rate  equal to the  lesser of  (i)
                         0.80%  plus LIBOR and (ii) approximately 10.00%. During
                         the initial LIBOR  Based Interest  Accrual Period,  the
                         pass-through  rate for the  Class A-5 Certificates will
                         be approximately  1184.05386%  per annum.  During  each
                         subsequent  LIBOR  Based Interest  Accrual  Period, the
                         pass-through rate for the  Class A-5 Certificates  will
                         be  a per annum  rate, subject to a  minimum rate of 0%
                         and  a  maximum  rate  of  1830.80278%,  equal  to  (i)
                         1830.80278%  minus  (ii) the  product  of approximately
                         198.99967 and LIBOR.
 
                         During the initial LIBOR Based Interest Accrual Period,
                         the pass-through rate for  the Class A-14  Certificates
                         will  be 4.35% per annum.  During each subsequent LIBOR
                         Based Interest  Accrual Period,  the pass-through  rate
                         for  the Class  A-14 Certificates  will be  a per annum
                         rate equal to the  lesser of (i)  1.10% plus LIBOR  and
                         (ii)  11.00%. During  the initial  LIBOR Based Interest
                         Accrual Period,  the pass-through  rate for  the  Class
                         A-15  Certificates will be  approximately 17.73333% per
                         annum. During  each  subsequent  LIBOR  Based  Interest
                         Accrual  Period,  the pass-through  rate for  the Class
                         A-15 Certificates will be a per annum rate, subject  to
                         a  minimum rate  of 0%  and a  maximum rate  of 26.40%,
                         equal  to  (i)  26.40%   minus  (ii)  the  product   of
                         approximately 2.66667 and LIBOR.
 
                         As a result of these calculations, increasing levels of
                         LIBOR  will produce reduced  pass-through rates for the
                         Class A-5 and
</TABLE>
 
                                      S-10
<PAGE>
 
<TABLE>
<S>                      <C>
                         Class A-15  Certificates  (subject  to  the  applicable
                         minimum  rates), while decreasing  levels of LIBOR will
                         produce increased  pass-through rates  (subject to  the
                         applicable  maximum rates). Interest will accrue on the
                         Class  A-4,  Class  A-5,  Class  A-14  and  Class  A-15
                         Certificates during each one-month period commencing on
                         the  25th day of each month  and ending on the 24th day
                         of the following month  (each, a "LIBOR Based  Interest
                         Accrual  Period").  The  initial  LIBOR  Based Interest
                         Accrual Period will commence  on December 25, 1992.  No
                         interest will accrue on the Class A-4, Class A-5, Class
                         A-14   or   Class  A-15   Certificates  prior   to  the
                         commencement  of  the  initial  LIBOR  Based   Interest
                         Accrual Period.
 
                         The amount of interest to which the holder of the Class
                         A-6  Certificate is  entitled each  month is calculated
                         based on the outstanding principal balances of  certain
                         subclasses  of the Class  A Certificates. Interest will
                         accrue on the  Class A-6 Certificate  each month in  an
                         amount equal to the sum of (i) the product of 1/12th of
                         0.41%  and  the  outstanding principal  balance  of the
                         Class A-7 Certificates and  (ii) the product of  1/12th
                         of  8.00% and the outstanding  principal balance of the
                         Class A-6 Certificate.  In each  case, the  outstanding
                         principal  balance  for  each  such  subclass  will  be
                         calculated as of the  related Distribution Date  before
                         taking into account distributions of principal for such
                         Distribution Date.
 
                         The amount of interest to which the holder of the Class
                         A-LR  Certificate is entitled  each month is calculated
                         based on a "notional amount," which is an amount  other
                         than  the actual outstanding  principal balance of such
                         subclass. The method of determining the notional amount
                         of  the  Class  A-LR  Certificate  is  described  under
                         "Description  of  the  Certificates--Interest"  in this
                         Prospectus Supplement.  Interest  will  accrue  on  the
                         Class A-LR Certificate each month in an amount equal to
                         the  product  of  (i)  1/12th  of  8.00%  and  (ii) the
                         notional amount of the Class A-LR Certificate.
 
                         On each Distribution  Date Financial  Security will  be
                         entitled  to receive, as partial payment of the premium
                         for the financial guaranty insurance policy, an  amount
                         equal  to (A)  the product of  (i) 1/12th  of 0.09% and
                         (ii) the outstanding principal balance of the Class A-7
                         Certificates, less  (B)  a  pro  rata  portion  of  the
                         Non-Supported  Interest  Shortfalls (as  defined below)
                         and other losses attributable to interest allocable  to
                         such   amount   as  described   below  for   each  such
                         Distribution Date. The remaining portion of the premium
                         for the  financial guaranty  insurance policy  will  be
                         paid  to Financial  Security by the  Underwriter on the
                         date of  the initial  issuance  of the  Series  1992-47
                         Certificates.
 
                         When  mortgagors prepay principal  or when principal is
                         recovered through foreclosures or other liquidations of
                         defaulted Mortgage Loans, a  full month's interest  for
                         the  month of  payment or recovery  may not  be paid or
                         recovered, resulting in  interest shortfalls. Any  such
                         shortfalls that result from principal
</TABLE>
 
                                      S-11
<PAGE>
 
<TABLE>
<S>                      <C>
                         prepayments  IN  FULL  will  be  offset  from aggregate
                         servicing fees that would  otherwise be payable to  the
                         Servicer  on  any Distribution  Date,  but only  to the
                         extent of servicing fees  payable with respect to  that
                         Distribution   Date.   Shortfalls  in   collections  of
                         interest resulting from principal prepayments IN  FULL,
                         to  the extent they exceed the aggregate servicing fees
                         (the  "Non-Supported  Interest  Shortfalls"),  will  be
                         allocated  pro rata,  based on  interest accrued, among
                         all  classes  and  subclasses  of  the  Series  1992-47
                         Certificates and the premium payment otherwise required
                         to  be paid  to Financial Security  as described above.
                         Any shortfalls of interest that result from the  timing
                         of  PARTIAL  principal prepayments  or  liquidations of
                         defaulted Mortgage  Loans will  not  be offset  by  the
                         servicing fees and will not be allocated pro rata among
                         all  classes  and  subclasses  of  the  Series  1992-47
                         Certificates and the premium payment otherwise required
                         to be paid to Financial  Security, but instead will  be
                         borne  first by the Class B Certificates, second by the
                         Class  M  Certificates  and  finally  by  the  Class  A
                         Certificates and the premium payment otherwise required
                         to  be paid to Financial  Security. After the principal
                         balances of the Class M  and Class B Certificates  have
                         been reduced to zero, any interest shortfalls resulting
                         from  the timing  of the  receipt of  partial principal
                         prepayments will be  considered Non-Supported  Interest
                         Shortfalls  and will be allocated pro rata to the Class
                         A  Certificates  and  the  premium  payment   otherwise
                         required   to  be  paid   to  Financial  Security.  The
                         financial guaranty  insurance policy  to be  issued  by
                         Financial   Security   will  not   cover  Non-Supported
                         Interest Shortfalls allocated to the Class A-7 or Class
                         A-9   Certificates.    See    "Description    of    the
                         Certificates--
                         Subordination  of the Class M and Class B Certificates"
                         in this Prospectus Supplement.
                         In  order  to  provide  additional  protection  to  the
                         holders  of the  Class A-7  and Class  A-9 Certificates
                         against Non-Supported Interest Shortfalls as  described
                         above,  a reserve fund will  be established for each of
                         the Class A-7 and Class A-9 Certificates at the time of
                         issuance  of  such  Certificates.  Initially,  approxi-
                         mately  $37,252 and $39,784 will be deposited into such
                         reserve  funds  for  the   Class  A-7  and  Class   A-9
                         Certificates,  respectively. No additional amounts will
                         be deposited into either reserve fund after the initial
                         deposit. If  any  Non-Supported Interest  Shortfall  is
                         allocated   to  either  the  Class  A-7  or  Class  A-9
                         Certificates on any  Distribution Date,  the amount  of
                         such  shortfall,  to  the  extent  funds  are available
                         therefor, will be withdrawn from the applicable reserve
                         fund and distributed to the holders of such subclass on
                         such Distribution Date. No assurance can be given  that
                         the  amounts on deposit in  each such reserve fund will
                         be   sufficient   to   cover   Non-Supported   Interest
                         Shortfalls  allocated to  each such  subclass under all
                         circumstances. On any Distribution Date, if the  amount
                         in  the applicable reserve fund, after giving effect to
                         any withdrawal to  be made  from such  reserve fund  on
                         such Distribution Date, exceeds twice the amount of the
                         accrued   interest  on  the  Class  A-7  or  Class  A-9
                         Certificates, as the  case may be,  for the  succeeding
                         Distribution  Date,  such  excess  will  be distributed
</TABLE>
 
                                      S-12
<PAGE>
<TABLE>
<S>                      <C>
                         to the holder of the Class A-LR Certificate. There  can
                         be  no assurance  as to the  amount of  such excess, if
                         any, on any Distribution Date.
                         In addition,  the amount  of  interest required  to  be
                         distributed   to   holders   of   the   Series  1992-47
                         Certificates and  the premium  required to  be paid  to
                         Financial  Security  will be  reduced  by a  portion of
                         certain special hazard losses,  fraud losses and  bank-
                         ruptcy  losses attributable to  interest. The financial
                         guaranty insurance  policy to  be issued  by  Financial
                         Security  will cover  any such losses  allocated to the
                         Class  A-7  or  Class  A-9  Certificates.  See  "Credit
                         Enhancement--Extent   of   Loss  Coverage"   below  and
                         "Description of  the  Certificates--Interest"  in  this
                         Prospectus Supplement.
                         To   the   extent   that  the   amount   available  for
                         distribution on any  Distribution Date is  insufficient
                         to  permit the distribution of the applicable amount of
                         accrued interest  on the  Class A  Certificates and  to
                         make the required premium payment to Financial Security
                         (net  in  each case  of any  shortfalls and  losses de-
                         scribed in the preceding paragraphs), such amount  will
                         be  allocated among the outstanding subclasses of Class
                         A Certificates  and the  premium payment  to  Financial
                         Security  pro rata in  accordance with their respective
                         entitlements to interest and  premium payment, and  the
                         amount  of any deficiencies will be added to the amount
                         of interest  and  premium  payment  that  the  Class  A
                         Certificates  and Financial Security, respectively, are
                         entitled to receive  on subsequent Distribution  Dates.
                         No  interest  will  accrue  on  such  deficiencies. The
                         financial guaranty  insurance policy  to be  issued  by
                         Financial  Security  will cover  any  such deficiencies
                         allocated to the  Class A-7 or  Class A-9  Certificates
                         other than Non-Supported Interest Shortfalls.
                         To   the   extent   that  the   amount   available  for
                         distribution  on  any  Distribution  Date,  after   the
                         payment of all amounts due the Class A Certificates and
                         Financial  Security has  been made,  is insufficient to
                         permit distribution in full of accrued interest on  the
                         Class  M Certificates (net of any shortfalls and losses
                         allocable to  the  Class M  Certificates  as  described
                         above),  the amount of any  deficiency will be added to
                         the amount of  interest that the  Class M  Certificates
                         are  entitled  to  receive  on  subsequent Distribution
                         Dates. No interest will accrue on such deficiencies.
                         Interest on the  Class A and  Class M Certificates  and
                         the  premium payment  required to be  made to Financial
                         Security will be calculated on  the basis of a  360-day
                         year consisting of twelve 30-day months.
                         See "Description of the Certificates--Interest" in this
                         Prospectus Supplement.
                         PRINCIPAL  DISTRIBUTIONS.    The  aggregate  amount  of
                         principal  to  which  the   holders  of  the  Class   A
                         Certificates  are entitled each month will be comprised
                         of a percentage of the scheduled payments of  principal
                         on  the  Mortgage  Loans and  a  percentage  of certain
                         unscheduled  payments  of  principal  on  the  Mortgage
                         Loans.  The  percentage of  scheduled payments  will be
                         equal, on each Distribution Date, to the fraction  that
                         represents  the ratio of the then-outstanding principal
                         balance of the
</TABLE>
 
                                      S-13
<PAGE>
<TABLE>
<S>                      <C>
                         Class  A  Certificates  to  the  aggregate  outstanding
                         principal balance of the Mortgage Loans (based on their
                         amortization  schedules then in effect). The percentage
                         of certain unscheduled  payments will be  equal to  the
                         percentage  described in the preceding sentence plus an
                         additional  amount  equal  to   a  percentage  of   the
                         principal otherwise distributable to the holders of the
                         Subordinated  Certificates. As a result, the percentage
                         of certain  unscheduled  principal  payments  otherwise
                         distributable   to  the  holders  of  the  Subordinated
                         Certificates  that  is  instead  distributable  to  the
                         holders  of the Class  A Certificates will  be equal to
                         100% during the first five years beginning on the first
                         Distribution Date and  will decline  during the  subse-
                         quent  four  years,  as  described  under  the  heading
                         "Description of the Certificates--Principal  (Including
                         Prepayments)--Calculation  of Amount  to be Distributed
                         to  the  Class  A  Certificates"  in  this   Prospectus
                         Supplement,  until in year ten and each year thereafter
                         it is equal  to zero.  On each  Distribution Date,  the
                         Subordinated Certificates will collectively be entitled
                         to receive the percentages of the scheduled and certain
                         unscheduled payments of principal on the Mortgage Loans
                         equal,  in  each  case,  to  100%  less  the applicable
                         percentage  for  the  Class  A  Certificates  described
                         above.
                         Except   as   described   below   under   "--Effect  of
                         Subordination Level  on  Principal  Distributions,"  on
                         each  Distribution Date, the  Class M Certificates will
                         be entitled  to a  portion  of scheduled  payments  and
                         certain   unscheduled  payments  of  principal  on  the
                         Mortgage   Loans   allocable   to   the    Subordinated
                         Certificates   that   represents  the   ratio   of  the
                         then-outstanding  principal  balance  of  the  Class  M
                         Certificates  to the then-outstanding principal balance
                         of the Subordinated Certificates.
                         The amount that  is available for  distribution to  the
                         holders of the Class A Certificates on any Distribution
                         Date  as  a  distribution of  principal  is  the amount
                         remaining  after  deducting  the  amount  of   interest
                         distributable  on  the  Class  A  Certificates  and the
                         premium required to be paid to Financial Security  from
                         the  total  amount collected  that  is available  to be
                         distributed  to   holders   of   the   Series   1992-47
                         Certificates   and  to   Financial  Security   on  such
                         Distribution Date. Principal will be distributed to the
                         holders of the Class A Certificates in accordance  with
                         the  payment  priorities  described  under  the heading
                         "Description of the Certificates--Principal  (Including
                         Prepayments)--Allocation of Amount to be Distributed to
                         the   Class  A  and  Class   M  Certificates"  in  this
                         Prospectus Supplement.
                         The amount that  is available for  distribution to  the
                         holders of the Class M Certificates on any Distribution
                         Date  as  a  distribution of  principal  is  the amount
                         remaining   after    all   interest    and    principal
                         distributions  due  on  the Class  A  Certificates, the
                         premium required to be  paid to Financial Security  and
                         interest  due  on the  Class  M Certificates  have been
                         deducted  from  the  total  amount  collected  that  is
                         available  to be  distributed to holders  of the Series
                         1992-47 Certificates and to Financial Security.
                         EFFECT   OF    SUBORDINATION   LEVEL    ON    PRINCIPAL
                         DISTRIBUTIONS. In order to preserve the availability of
                         the original subordination level as
</TABLE>
 
                                      S-14
<PAGE>
<TABLE>
<S>                      <C>
                         protection  against losses on the Class M Certificates,
                         the Class B Certificates,  as described below, may  not
                         be   entitled   on   certain   Distribution   Dates  to
                         distributions of principal.
                         If on any Distribution Date the percentage obtained  by
                         dividing the outstanding principal balance of the Class
                         B  Certificates by the sum of the outstanding principal
                         balances  of  the  Class  A,   Class  M  and  Class   B
                         Certificates  is less than such percentage was upon the
                         initial issuance  of the  Series 1992-47  Certificates,
                         then  the Class B Certificates  will not be entitled to
                         distributions of  principal on  such Distribution  Date
                         and  the Class M  Certificates will be  entitled to all
                         distributions   of   principal    allocable   to    the
                         Subordinated Certificates for such Distribution Date.
                         In  such case, the Class  M Certificates will receive a
                         greater portion of  scheduled and unscheduled  payments
                         of  principal on  the Mortgage  Loans allocable  to the
                         Subordinated Certificates than the Class M Certificates
                         would have received had  the Class B Certificates  been
                         entitled  to their portion  of such principal payments.
                         See   "Description   of   the   Certificates--Principal
                         (Including  Prepayments)--Calculation  of Amount  to be
                         Distributed  to  the  Class  M  Certificates"  in  this
                         Prospectus Supplement.
Credit Enhancement.....  DESCRIPTION  OF "SHIFTING-INTEREST" SUBORDINATION.  The
                         rights of the  holders of the  Class M Certificates  to
                         receive  distributions  will  be  subordinated  to  the
                         rights of the  holders of the  Class A Certificates  to
                         receive  distributions, to the extent described herein.
                         The rights of the holders  of the Class B  Certificates
                         to  receive distributions  will be  subordinated to the
                         rights of  the holders  of  the Class  A  Certificates,
                         Financial  Security  and  the holders  of  the  Class M
                         Certificates to  receive distributions,  to the  extent
                         described  herein. This  subordination provides  a cer-
                         tain amount of protection to the holders of the Class A
                         Certificates (to the extent of the subordination of the
                         Class M  and  Class B  Certificates)  and the  Class  M
                         Certificates (to the extent of the subordination of the
                         Class  B Certificates) against delays in the receipt of
                         scheduled  payments  of  interest  and  principal   and
                         against  losses  associated  with  the  liquidation  of
                         defaulted Mortgage Loans  and certain losses  resulting
                         from the bankruptcy of a mortgagor.
                         The  protection  afforded the  holders  of the  Class A
                         Certificates by  means of  this subordination  will  be
                         effected  in two ways: (i) by the preferential right of
                         the holders  of the  Class A  Certificates to  receive,
                         prior   to   any   distribution  being   made   on  any
                         Distribution Date in respect of the Class M and Class B
                         Certificates, the amounts of interest and principal due
                         the holders of  the Class A  Certificates on such  date
                         and,  if  necessary, by  the right  of such  holders to
                         receive future distributions on the Mortgage Loans that
                         would otherwise have been  allocated to the holders  of
                         the  Class M and  Class B Certificates  and (ii) by the
                         allocation to the holders  of the Class  M and Class  B
                         Certificates  of  certain  losses  resulting  from  the
                         liquidation  of   defaulted  Mortgage   Loans  or   the
                         bankruptcy  of  mortgagors prior  to the  allocation of
                         such losses  to the  holders of  the Class  A  Certifi-
                         cates.
</TABLE>
 
                                      S-15
<PAGE>
<TABLE>
<S>                      <C>
                         The  protection  afforded the  holders  of the  Class M
                         Certificates by means of  this subordination will  also
                         be  effected in two ways: (i) by the preferential right
                         of the holders of the Class M Certificates to  receive,
                         prior   to   any   distribution  being   made   on  any
                         Distribution  Date   in   respect  of   the   Class   B
                         Certificates, the amounts of interest and principal due
                         the  holders of the  Class M Certificates  on such date
                         and, if  necessary, by  the right  of such  holders  to
                         receive future distributions on the Mortgage Loans that
                         would  otherwise have been allocated  to the holders of
                         the Class B Certificates and (ii) by the allocation  to
                         the  holders  of the  Class  B Certificates  of certain
                         losses resulting  from  the  liquidation  of  defaulted
                         Mortgage Loans or the bankruptcy of mortgagors prior to
                         the  allocation of  such losses  to the  holders of the
                         Class M Certificates.
                         In addition,  in order  to increase  the period  during
                         which the principal balances of the Class M and Class B
                         Certificates  remain available as credit enhancement to
                         the Class A Certificates, a disproportionate amount  of
                         prepayments  and  certain  unscheduled  recoveries with
                         respect to the Mortgage Loans will be allocated to  the
                         Class A Certificates. This allocation has the effect of
                         accelerating  the amortization of  the Class A Certifi-
                         cates while, in the absence of losses in respect of the
                         liquidation  of  defaulted  Mortgage  Loans  or  losses
                         resulting from the bankruptcy of mortgagors, increasing
                         the  respective  percentage interest  in  the principal
                         balance  of  the  Mortgage   Loans  evidenced  by   the
                         Subordinated Certificates.
                         EXTENT  OF LOSS COVERAGE.   Realized losses on Mortgage
                         Loans, other than losses  that are (i) attributable  to
                         "special  hazards" not insured against under a standard
                         hazard insurance  policy,  (ii) incurred  on  defaulted
                         Mortgage  Loans  as to  which  there was  fraud  in the
                         origination   of   such   Mortgage   Loans   or   (iii)
                         attributable to certain actions which may be taken by a
                         bankruptcy  court in  connection with  a Mortgage Loan,
                         including a  reduction by  a  bankruptcy court  of  the
                         principal balance of or the interest rate on a Mortgage
                         Loan  or  an extension  of  its maturity,  will  not be
                         allocated to the Class A Certificates until the date on
                         which the aggregate  principal balance of  the Class  M
                         and  Class B  Certificates (which  aggregate balance is
                         expected initially to be approximately $21,331,557) has
                         been reduced to zero and  will not be allocated to  the
                         Class  M  Certificates  until  the  date  on  which the
                         aggregate principal balance of the Class B Certificates
                         (which aggregate balance  is expected  initially to  be
                         approximately  $17,891,557) has  been reduced  to zero.
                         The financial guaranty insurance policy to be issued by
                         Financial Security will cover  any losses of  principal
                         allocated to the Class A-7 or Class A-9 Certificates.
                         With respect to any Distribution Date subsequent to the
                         first Distribution Date, the availability of the credit
                         enhancement  provided  by  the  Class  M  and  Class  B
                         Certificates will be affected by the prior reduction of
                         the principal  balances  of the  Class  M and  Class  B
                         Certificates. Reduction of the principal balance of the
                         Class  M Certificates and the Class B Certificates will
                         result from (i) the prior  allocation of losses due  to
                         the  liquidation of defaulted Mortgage Loans, including
                         losses due to  special hazards and  fraud losses up  to
                         the respective limits
</TABLE>
 
                                      S-16
<PAGE>
<TABLE>
<S>                      <C>
                         referred   to  below,  (ii)  the  prior  allocation  of
                         bankruptcy losses up to the limit referred to below and
                         (iii) the prior receipt  of principal distributions  by
                         the holders of such class or subclasses. As of the date
                         of  issuance  of the  Series 1992-47  Certificates, the
                         amount of losses attributable to special hazards, fraud
                         and bankruptcy  that will  be  absorbed solely  by  the
                         holders  of the Class B Certificates and then solely by
                         the  holders  of  the  Class  M  Certificates  will  be
                         approximately  1.17%, 2.00% and 0.22%, respectively, of
                         the aggregate principal balance  of the Mortgage  Loans
                         as  of  the  Cut-Off  Date  (approximately  $3,220,303,
                         $5,504,791 and $601,293,  respectively). If losses  due
                         to  special hazards, fraud or  bankruptcy exceed any of
                         such amounts  prior to  the principal  balances of  the
                         Class M and Class B Certificates being reduced to zero,
                         such  losses will be shared  pro rata by the subclasses
                         of Class A Certificates,  the Class M Certificates  and
                         the  Class B Certificates. After the principal balances
                         of the  Class  M and  Class  B Certificates  have  been
                         reduced to zero, such losses will be shared pro rata by
                         the  subclasses of Class A  Certificates based on their
                         then-outstanding  principal  balances.  Under   certain
                         circumstances,  the  limits  set  forth  above  may  be
                         reduced  as   described  under   "Description  of   the
                         Certificates--Subordination  of the Class M and Class B
                         Certificates--Allocation of Losses" in this  Prospectus
                         Supplement.
                         THE  YIELD TO MATURITY ON THE CLASS M CERTIFICATES WILL
                         BE MORE SENSITIVE TO LOSSES DUE TO LIQUIDATIONS OF  THE
                         MORTGAGE  LOANS (AND THE TIMING THEREOF) THAN THE CLASS
                         A CERTIFICATES, IN THE EVENT THAT THE PRINCIPAL BALANCE
                         OF THE CLASS B CERTIFICATES HAS BEEN REDUCED TO ZERO.
                         See "Description of the Certificates--Subordination  of
                         Class  M and  Class B Certificates"  in this Prospectus
                         Supplement.
                         FINANCIAL GUARANTY INSURANCE POLICY. Financial Security
                         will issue a financial  guaranty insurance policy as  a
                         means of providing additional credit enhancement to the
                         Class  A-7 and Class A-9  Certificates only. Under this
                         policy, Financial Security  will pay  the Trustee,  for
                         the  benefit  of holders  of  Class A-7  and  Class A-9
                         Certificates,  on  each  Distribution  Date,  (i)   the
                         difference,  if  any,  between the  amount  of interest
                         accrued with respect  to the  Class A-7  and Class  A-9
                         Certificates,   net   of  any   Non-Supported  Interest
                         Shortfalls,  and  the  amount  actually  available  for
                         distribution  to such Certificates on such Distribution
                         Date and (ii)  the portion of  any losses of  principal
                         allocated  to the Class A-7  and Class A-9 Certificates
                         in  respect  of   such  Distribution  Date.   Financial
                         Security  is a New York  monoline property and casualty
                         insurance company engaged  exclusively in the  business
                         of writing financial guaranty insurance, principally in
                         respect  of  securities  offered  in  the  domestic and
                         foreign  markets.  Financial  Security's  claims-paying
                         ability  is rated  "Aaa" by  Moody's and  "AAA" by S&P,
                         Nippon Investors Service,  Inc. and Australian  Ratings
                         Pty.  Ltd.  See "Description  of  the Certificates--The
                         Financial Guaranty Insurance Policy" in this Prospectus
                         Supplement.
Effects of Prepayments
  on Investment
  Expectations.........  The actual  rate  of  prepayment of  principal  on  the
                         Mortgage
</TABLE>
 
                                      S-17
<PAGE>
<TABLE>
<S>                      <C>
                         Loans  cannot be predicted.  The investment performance
                         of the  Offered Certificates  may vary  materially  and
                         adversely from the investment expectations of investors
                         due  to prepayments on the  Mortgage Loans being higher
                         or lower  than  anticipated by  investors.  The  actual
                         yield  to the holder of  an Offered Certificate may not
                         be equal  to  the  yield anticipated  at  the  time  of
                         purchase  of the  Certificate or,  notwithstanding that
                         the actual yield is equal  to the yield anticipated  at
                         that  time, the total return  on investment expected by
                         the investor or the  expected weighted average life  of
                         the  Certificate may not be realized. These effects are
                         summarized below. IN DECIDING  WHETHER TO PURCHASE  ANY
                         OFFERED   CERTIFICATES,  AN  INVESTOR  SHOULD  MAKE  AN
                         INDEPENDENT DECISION AS  TO THE APPROPRIATE  PREPAYMENT
                         ASSUMPTIONS TO BE USED.
                         YIELD.  If an investor purchases an Offered Certificate
                         at  an  amount equal  to  its unpaid  principal balance
                         (that is,  at  "par"),  the  effective  yield  to  that
                         investor   (assuming   that  there   are   no  interest
                         shortfalls and assuming the full return of the purchas-
                         er's   invested   principal)   will   approximate   the
                         pass-through  rate on that  Certificate. If an investor
                         pays less or more than the unpaid principal balance  of
                         the  Certificate (that  is, buys  the Certificate  at a
                         "discount" or "premium," respectively), then, based  on
                         the  assumptions set  forth in  the preceding sentence,
                         the effective yield to the  investor will be higher  or
                         lower,  respectively, than the  stated interest rate on
                         the Certificate, because such discount or premium  will
                         be  amortized  over the  life  of the  Certificate. Any
                         deviation in  the actual  rate  of prepayments  on  the
                         Mortgage  Loans from  the rate assumed  by the investor
                         will affect the period of time over which, or the  rate
                         at  which, the  discount or  premium will  be amortized
                         and, consequently,  will change  the investor's  actual
                         yield from that anticipated. AN INVESTOR THAT PURCHASES
                         ANY OFFERED CERTIFICATES AT A DISCOUNT SHOULD CAREFULLY
                         CONSIDER  THE RISK THAT A  SLOWER THAN ANTICIPATED RATE
                         OF PRINCIPAL PAYMENTS ON THE MORTGAGE LOANS WILL RESULT
                         IN AN ACTUAL YIELD THAT  IS LOWER THAN SUCH  INVESTOR'S
                         EXPECTED  YIELD. AN INVESTOR THAT PURCHASES ANY OFFERED
                         CERTIFICATES AT A PREMIUM,  PARTICULARLY THE CLASS  A-5
                         AND  CLASS A-6  CERTIFICATES, SHOULD  CONSIDER THE RISK
                         THAT  A  FASTER  THAN  ANTICIPATED  RATE  OF  PRINCIPAL
                         PAYMENTS ON THE MORTGAGE LOANS WILL RESULT IN AN ACTUAL
                         YIELD  THAT  IS  LOWER  THAN  SUCH  INVESTOR'S EXPECTED
                         YIELD.
                         The yield to investors in  the Class A-5 and Class  A-6
                         Certificates,  which are  expected to  be offered  at a
                         substantial  premium  over   their  initial   principal
                         balances,  will  be  sensitive to  both  the  timing of
                         receipt  of  prepayments  and   the  overall  rate   of
                         prepayment   on  the  Mortgage   Loans.  The  yield  to
                         investors in the  Class A-5 Certificates  will also  be
                         highly  sensitive, and  the yield  to investors  in the
                         Class A-15 Certificates will be sensitive, to the level
                         of LIBOR. Relatively  small increases in  the level  of
                         LIBOR will have a material negative effect on the yield
                         to  investors in the Class  A-5 Certificates and a high
                         level of LIBOR will have a material negative effect  on
                         the  yield to investors in the Class A-15 Certificates.
                         The particular sensitivities  of the  Class A-5,  Class
                         A-6   and  Class   A-15  Certificates   are  separately
</TABLE>
 
                                      S-18
<PAGE>
<TABLE>
<S>                      <C>
                         displayed in  the tables  appearing under  the  heading
                         "Prepayment   and   Yield   Considerations"   in   this
                         Prospectus Supplement. INVESTORS IN  THE CLASS A-5  AND
                         CLASS  A-6 CERTIFICATES SHOULD CONSIDER THE RISK THAT A
                         RAPID RATE OF PRINCIPAL PAYMENTS ON THE MORTGAGE LOANS,
                         AND IN THE CASE OF THE CLASS A-5 CERTIFICATES A  HIGHER
                         THAN  ANTICIPATED LEVEL  OF LIBOR, COULD  RESULT IN THE
                         FAILURE  OF  SUCH  INVESTORS  TO  FULLY  RECOVER  THEIR
                         INITIAL INVESTMENTS.
                         REINVESTMENT  RISK.  As stated  above, if a Certificate
                         is purchased at an amount equal to its unpaid principal
                         balance, fluctuations in the  rate of distributions  of
                         principal  will  generally  not  affect  the  yield  to
                         maturity of that Certificate. However, the total return
                         on any  purchaser's investment,  including an  investor
                         who  purchases at  par, will  be reduced  to the extent
                         that   principal   distributions   received   on    its
                         Certificate  can not be reinvested at a rate as high as
                         the stated interest rate of the Certificate.  Investors
                         in  the Offered  Certificates should  consider the risk
                         that rapid rates of  prepayments on the Mortgage  Loans
                         may  coincide  with  periods of  low  prevailing market
                         interest rates. During periods of low prevailing market
                         interest rates, mortgagors may be expected to prepay or
                         refinance Mortgage  Loans  that  carry  interest  rates
                         significantly  higher than  then-current interest rates
                         for  mortgage  loans.   Consequently,  the  amount   of
                         principal  distributions available  to an  investor for
                         reinvestment at such low prevailing interest rates  may
                         be   relatively  large.   Conversely,  slow   rates  of
                         prepayments on  the Mortgage  Loans may  coincide  with
                         periods  of  high  prevailing  market  interest  rates.
                         During such periods, it is less likely that  mortgagors
                         will  elect to prepay or  refinance Mortgage Loans and,
                         therefore,  the  amount   of  principal   distributions
                         available  to an investor for reinvestment at such high
                         prevailing interest rates may be relatively small.
                         WEIGHTED AVERAGE LIFE  VOLATILITY.   One indication  of
                         the impact of varying prepayment rates on a security is
                         the  change in its weighted average life. The "weighted
                         average life" of an Offered Certificate is the  average
                         amount  of time  that will  elapse between  the date of
                         issuance of the Certificate and the date on which  each
                         dollar  in reduction  of the  principal balance  of the
                         Certificate is distributed to  the investor. Low  rates
                         of  prepayment  may  result  in  the  extension  of the
                         weighted average life of a Certificate; high rates,  in
                         the  shortening  of  such  weighted  average  life.  In
                         general, if the weighted average life of a  Certificate
                         purchased  at  par  is extended  beyond  that initially
                         anticipated, such  Certificate's  market value  may  be
                         adversely affected even though the yield to maturity on
                         the  Certificate  is unaffected.  THE  WEIGHTED AVERAGE
                         LIVES   OF   THE   COMPANION   CERTIFICATES   WILL   BE
                         PARTICULARLY  SENSITIVE TO PREPAYMENTS  ON THE MORTGAGE
                         LOANS AT RATES IN EXCESS OF A CERTAIN CONSTANT RATE  OF
                         PREPAYMENT  BECAUSE PAYMENTS OF  PRINCIPAL ALLOCATED TO
                         THE CLASS A CERTIFICATES IN EXCESS OF SUCH A PREPAYMENT
                         LEVEL  WILL  BE  PAID  TO  HOLDERS  OF  THE   COMPANION
                         CERTIFICATES,    WHILE    SUCH    CERTIFICATES   REMAIN
                         OUTSTANDING, PRIOR TO BEING PAID TO HOLDERS OF THE  TAC
                         CERTIFICATES. The weighted average lives of the Offered
                         Certificates, under various prepayment
</TABLE>
 
                                      S-19
<PAGE>
<TABLE>
<S>                      <C>
                         scenarios,  are displayed in the tables appearing under
                         the heading  "Prepayment and  Yield Considerations"  in
                         this Prospectus Supplement.
                         See   "Prepayment   and   Yield   Considerations"   and
                         "Description of the Certificates--Principal  (including
                         Prepayments)--Principal  Payment Characteristics of the
                         TAC  Certificates,   TAC   Components   and   Companion
                         Certificates" in this Prospectus Supplement.
Federal Income Tax
  Status...............  For  federal income tax purposes, the Trust Estate will
                         consist of two real estate mortgage investment conduits
                         (the "Upper-Tier  REMIC" and  the "Lower-Tier  REMIC").
                         The  Class A-1, Class A-2,  Class A-3, Class A-4, Class
                         A-5, Class A-6, Class A-7, Class A-8, Class A-9,  Class
                         A-10,  Class A-11, Class A-12,  Class A-13, Class A-14,
                         Class A-15  and Class  A-16 Certificates,  the Class  M
                         Certificates  and  the  Class  B  Certificates  will be
                         designated as the regular  interests in the  Upper-Tier
                         REMIC,  and the  Class A-R  Certificate and  Class A-LR
                         Certificate  will   be  designated   as  the   residual
                         interests in the Upper-Tier REMIC and Lower-Tier REMIC,
                         respectively.
                         The  Regular Certificates (as defined herein) generally
                         will be treated  as newly  originated debt  instruments
                         for  federal income tax  purposes. Beneficial owners of
                         the Regular  Certificates will  be required  to  report
                         income thereon in accordance with the accrual method of
                         accounting. It is anticipated that the Class A-3, Class
                         A-7,  Class A-8, Class A-9,  Class A-10, Class A-11 and
                         Class A-15 Certificates  will be  issued with  original
                         issue  discount for  federal income tax  purposes in an
                         amount equal  to the  excess of  the initial  principal
                         balances  of  such subclasses  over their  issue prices
                         (including, except  in  the  case  of  the  Class  A-15
                         Certificates,   accrued   interest).   It   is  further
                         anticipated that  the Class  A-1 Certificates  will  be
                         issued  at a premium and that the Class A-2, Class A-4,
                         Class  A-12,  Class  A-13,  Class  A-14  and  Class   M
                         Certificates  will  be  issued  without  original issue
                         discount  for  federal  income  tax  purposes.  It   is
                         anticipated  that the Class A-5  and Class A-6 Certifi-
                         cates will  be considered  to be  issued with  original
                         issue  discount in an amount equal to the excess of all
                         distributions of  principal and  interest thereon  over
                         their issue prices (including, in the case of the Class
                         A-6  Certificate,  accrued  interest)  and  the  Seller
                         intends to report income in respect of such  subclasses
                         of Certificates in this manner. The Class A-16 Certifi-
                         cates  (not  offered hereby)  also  will be  treated as
                         issued with original issue discount for federal  income
                         tax purposes.
                         Holders  of the  Class A-R and  Class A-LR Certificates
                         will be required to include the taxable income or  loss
                         of  the  Upper-Tier  REMIC  and  the  Lower-Tier REMIC,
                         respectively,  in  determining  their  federal  taxable
                         income.  It is  anticipated that  all or  a substantial
                         portion of the taxable  income of the Upper-Tier  REMIC
                         and  Lower-Tier REMIC  includible by the  Class A-R and
                         Class A-LR  Certificateholders, respectively,  will  be
                         treated as "excess inclusion" income subject to special
                         limitations  for federal income  tax purposes. FURTHER,
                         SIGNIFICANT RESTRICTIONS APPLY TO  THE TRANSFER OF  THE
                         CLASS  A-R AND  CLASS A-LR CERTIFICATES.  THE CLASS A-R
                         CERTIFICATE WILL, AND THE CLASS A-LR
</TABLE>
 
                                      S-20
<PAGE>
<TABLE>
<S>                      <C>
                         CERTIFICATE MAY,  BE CONSIDERED  "NONECONOMIC  RESIDUAL
                         INTERESTS,"   CERTAIN   TRANSFERS  OF   WHICH   MAY  BE
                         DISREGARDED FOR FEDERAL INCOME TAX PURPOSES.
                         See "Description of  the Certificates--Restrictions  on
                         Transfer  of  the Class  A-R,  Class A-LR  and  Class M
                         Certificates" and "Federal  Income Tax  Considerations"
                         in  this  Prospectus  Supplement  and  "Certain Federal
                         Income   Tax   Consequences--   Federal   Income    Tax
                         Consequences for REMIC Certificates" in the Prospectus.
ERISA Considerations...  A fiduciary of any employee benefit plan subject to the
                         Employee  Retirement  Income Security  Act of  1974, as
                         amended ("ERISA"),  or  the Internal  Revenue  Code  of
                         1986,  as amended (the "Code"), should carefully review
                         with its legal advisors whether the purchase or holding
                         of Class A or Class M Certificates could give rise to a
                         transaction prohibited  or  not  otherwise  permissible
                         under   ERISA  or   the  Code.  BECAUSE   THE  CLASS  M
                         CERTIFICATES ARE SUBORDINATED TO  THE CLASS A  CERTIFI-
                         CATES, THE CLASS M CERTIFICATES MAY NOT BE PURCHASED BY
                         OR  TRANSFERRED  TO  AN  ERISA  PLAN  EXCEPT  UPON  THE
                         DELIVERY OF AN  OPINION OF COUNSEL  AS DESCRIBED  UNDER
                         "ERISA  CONSIDERATIONS" IN  THIS PROSPECTUS SUPPLEMENT.
                         NEITHER THE CLASS  A-R CERTIFICATE NOR  THE CLASS  A-LR
                         CERTIFICATE  MAY BE  PURCHASED BY OR  TRANSFERRED TO AN
                         ERISA  PLAN.   See  "ERISA   Considerations"  in   this
                         Prospectus Supplement and in the Prospectus.
Legal Investment.......  The  Offered Certificates  constitute "mortgage related
                         securities" for  purposes  of  the  Secondary  Mortgage
                         Market  Enhancement  Act of  1984 so  long as  they are
                         rated in one of the two highest rating categories by at
                         least  one  nationally  recognized  statistical  rating
                         organization.  As  such, the  Offered  Certificates are
                         legal investments for  certain entities  to the  extent
                         provided  in  such act.  However, there  are regulatory
                         requirements and considerations applicable to regulated
                         financial institutions and restrictions on the  ability
                         of  such  institutions to  invest  in certain  types of
                         mortgage related securities. Prospective purchasers  of
                         the  Offered  Certificates  should  consult  their  own
                         legal, tax and accounting  advisors in determining  the
                         suitability   of  and  consequences   to  them  of  the
                         purchase, ownership  and  disposition  of  the  Offered
                         Certificates. See "Legal Investment" in this Prospectus
                         Supplement.
</TABLE>
 
                                      S-21
<PAGE>
                        DESCRIPTION OF THE CERTIFICATES
 
GENERAL
 
    The  Book-Entry Certificates will be issued  only in book-entry form, except
as described below. The Book-Entry Certificates (other than the Class A-7, Class
A-9 and Class  A-10 Certificates)  will be  issued in  minimum denominations  of
$100,000  initial  principal balance  and integral  multiples of  $1,000 initial
principal balance in excess  thereof. The Class A-7  and Class A-9  Certificates
will  be issued in minimum denominations of $1,000 initial principal balance and
integral multiples of $1,000  initial principal balance  in excess thereof.  The
Class  A-10  Certificates will  be issued  in  minimum denominations  of $10,000
initial principal balance  and integral  multiples of  $1,000 initial  principal
balance in excess thereof.
 
    Offered  Certificates  issued  in fully  registered,  certificated  form are
referred to herein as "Definitive Certificates." The Class A-4, Class A-5, Class
A-14 and Class A-15  Certificates will be issued  as Definitive Certificates  in
minimum  denominations  of  $100,000  initial  principal  balance  and  integral
multiples of  $1 initial  principal balance  in excess  thereof. The  Class  A-6
Certificate   will  be  issued  as  a   single  Definitive  Certificate  with  a
denomination of $10,000 initial principal balance. The Class M Certificates will
be issued  as  Definitive  Certificates in  minimum  denominations  of  $100,000
initial  principal balance  and integral  multiples of  $1,000 initial principal
balance in excess thereof. The Class  A-R and Class A-LR Certificates will  each
be  issued  as a  single Definitive  Certificate with  a denomination  of $1,000
initial principal balance.
 
    Each Subclass of Book-Entry Certificates initially will be represented by  a
single  physical certificate registered in  the name of Cede  & Co. ("Cede"), as
nominee of  DTC, which  will  be the  "holder"  or "Certificateholder"  of  such
Certificates,  as such terms are used herein. No person acquiring an interest in
the Book-Entry Certificates (a "Beneficial Owner") will be entitled to receive a
certificate representing such person's interest in the Book-Entry  Certificates,
except  as set forth  below under "--Definitive  Certificates." Unless and until
Definitive Certificates  are issued  under the  limited circumstances  described
herein,  all references to actions taken by Certificateholders or holders shall,
in the case of the Book-Entry Certificates,  refer to actions taken by DTC  upon
instructions from its Participants (as defined below), and all references herein
to  distributions,  notices,  reports and  statements  to  Certificateholders or
holders  shall,  in  the   case  of  the   Book-Entry  Certificates,  refer   to
distributions, notices, reports and statements to DTC or Cede, as the registered
holder  of the Book-Entry Certificates, as the  case may be, for distribution to
Beneficial  Owners  in  accordance   with  DTC  procedures.  See   "--Book-Entry
Registration" below.
 
BOOK-ENTRY REGISTRATION
 
    DTC is a limited purpose trust company organized under the laws of the State
of  New York, a member  of the Federal Reserve  System, a "clearing corporation"
within the  meaning of  the New  York  UCC and  a "clearing  agency"  registered
pursuant  to Section 17A of the Securities Exchange Act of 1934, as amended. DTC
was  created   to   hold   securities  for   its   participating   organizations
("Participants")  and to facilitate  the clearance and  settlement of securities
transactions  among  Participants   through  electronic  book-entries,   thereby
eliminating the need for physical movement of certificates. Participants include
securities  brokers  and  dealers  (including  the  Underwriter),  banks,  trust
companies and clearing corporations. Indirect access  to the DTC system also  is
available  to banks,  brokers, dealers,  trust companies  and other institutions
that clear  through or  maintain a  custodial relationship  with a  Participant,
either directly or indirectly ("Indirect Participants").
 
    Under  the rules, regulations and procedures  creating and affecting DTC and
its operations (the "Rules"),  DTC is required to  make book-entry transfers  of
Book-Entry  Certificates among Participants on whose behalf it acts with respect
to the  Book-Entry Certificates  and to  receive and  transmit distributions  of
principal  of  and interest  on  the Book-Entry  Certificates.  Participants and
Indirect Participants with which Beneficial Owners have accounts with respect to
the Book-Entry Certificates similarly are required to make book-entry  transfers
and  receive and transmit such payments on behalf of their respective Beneficial
Owners.
 
                                      S-22
<PAGE>
    Beneficial Owners that  are not  Participants or  Indirect Participants  but
desire  to purchase, sell or otherwise transfer ownership of, or other interests
in, Book-Entry Certificates  may do  so only through  Participants and  Indirect
Participants.  In addition, Beneficial Owners  will receive all distributions of
principal and interest from  the Servicer, or  a paying agent  on behalf of  the
Servicer,  through DTC Participants. DTC will  forward such distributions to its
Participants, which thereafter  will forward  them to  Indirect Participants  or
Beneficial  Owners. Beneficial Owners will not be recognized by the Trustee, the
Servicer or any paying agent as Certificateholders, as such term is used in  the
Pooling  and Servicing  Agreement, and  Beneficial Owners  will be  permitted to
exercise the rights of  Certificateholders only indirectly  through DTC and  its
Participants.
 
    Because  DTC can  only act  on behalf  of Participants,  who in  turn act on
behalf of Indirect Participants and certain  banks, the ability of a  Beneficial
Owner  to  pledge Book-Entry  Certificates to  persons or  entities that  do not
participate in  the  DTC  system, or  to  otherwise  act with  respect  to  such
Book-Entry  Certificates,  may  be  limited  due  to  the  lack  of  a  physical
certificate for such  Book-Entry Certificates. In  addition, under a  book-entry
format,  Beneficial Owners may  experience delays in  their receipt of payments,
since distributions will be made by the Servicer, or a paying agent on behalf of
the Servicer, to Cede, as nominee for DTC.
 
    DTC has advised  the Seller that  it will  take any action  permitted to  be
taken  by a Certificateholder under the  Pooling and Servicing Agreement only at
the direction  of  one or  more  Participants to  whose  accounts with  DTC  the
Book-Entry  Certificates are credited. Additionally,  DTC has advised the Seller
that it will take such actions  with respect to specified Voting Interests  only
at  the direction of and on behalf  of Participants whose holdings of Book-Entry
Certificates evidence such specified Voting Interests. DTC may take  conflicting
actions  with respect to Voting Interests  to the extent that Participants whose
holdings of  Book-Entry Certificates  evidence such  Voting Interests  authorize
divergent action.
 
    Neither   the  Seller,   the  Servicer  nor   the  Trustee   will  have  any
responsibility for any  aspect of the  records relating to  or payments made  on
account of beneficial ownership interests of the Book-Entry Certificates held by
Cede,  as  nominee for  DTC, or  for maintaining,  supervising or  reviewing any
records relating to  such beneficial ownership  interests. In the  event of  the
insolvency  of  DTC  or a  Participant  or  Indirect Participant  in  whose name
Book-Entry Certificates are registered, the ability of the Beneficial Owners  of
such  Book Entry  Certificates to  obtain timely payment  and, if  the limits of
applicable insurance coverage by the Securities Investor Protection  Corporation
are  exceeded or if such coverage is otherwise unavailable, ultimate payment, of
amounts distributable  with  respect  to such  Book-Entry  Certificates  may  be
impaired.
 
DEFINITIVE CERTIFICATES
 
    The  Class A-4,  Class A-5,  Class A-6, Class  A-14, Class  A-15, Class A-R,
Class A-LR and Class M Certificates  will be issued as Definitive  Certificates.
Further,  Book-Entry Certificates  will be converted  to Definitive Certificates
and re-issued to Beneficial Owners or their nominees, rather than to DTC or  its
nominee,  only if (i) the Servicer advises the Trustee in writing that DTC is no
longer willing or able to discharge properly its responsibilities as  depository
with respect to the Book-Entry Certificates and the Servicer is unable to locate
a qualified successor, (ii) the Servicer, at its option, elects to terminate the
book-entry  system through DTC or  (iii) after the occurrence  of a dismissal or
resignation  of  the  Servicer  under  the  Pooling  and  Servicing   Agreement,
Beneficial Owners representing not less than 51% of the Voting Interests of each
outstanding  class of Book-Entry Certificates advise the Trustee through DTC, in
writing, that  the  continuation  of  a book-entry  system  through  DTC  (or  a
successor thereto) is no longer in the Beneficial Owners' best interest.
 
    Upon  the occurrence  of any  event described  in the  immediately preceding
paragraph, the Trustee will be required to notify all Beneficial Owners  through
Participants  of the availability of  Definitive Certificates. Upon surrender by
DTC of the definitive certificates representing the Book-Entry Certificates  and
receipt  of  instructions  for  re-registration, the  Trustee  will  reissue the
Book-Entry  Certificates  as  Definitive  Certificates  to  Beneficial   Owners.
Distributions    of   principal   of,   and    interest   on,   the   Book-Entry
 
                                      S-23
<PAGE>
Certificates will  thereafter be  made by  the Servicer,  or a  paying agent  on
behalf  of  the  Servicer, directly  to  holders of  Definitive  Certificates in
accordance with the procedures set forth in the Pooling and Servicing Agreement.
 
    Definitive Certificates will be transferable and exchangeable at the offices
of the Trustee or the certificate  registrar. No service charge will be  imposed
for  any  registration of  transfer  or exchange,  but  the Trustee  may require
payment of  a sum  sufficient to  cover  any tax  or other  governmental  charge
imposed in connection therewith.
 
DISTRIBUTIONS
 
    Distributions  of interest and in reduction  of principal balance to holders
of Class A Certificates of each Subclass will be made monthly, to the extent  of
each  Subclass' entitlement thereto, on  the 25th day of  each month or, if such
day is not a business day, on the succeeding business day (each, a "Distribution
Date"), beginning in January 1993, in an  aggregate amount equal to the Class  A
Distribution  Amount. Distributions  of interest  and in  reduction of principal
balance to holders of Class M Certificates  will be made monthly, to the  extent
of  the Class M Certificates' entitlement  thereto, on each Distribution Date in
an aggregate amount equal to the  Class M Distribution Amount after all  amounts
in  respect of interest  and principal due  on the Class  A Certificates and the
Premium Payment due to Financial  Security for such Distribution Date  including
all  previously unpaid Class A Subclass  Interest Shortfall Amounts with respect
to any Subclass of Class A Certificates and any unpaid Premium Shortfall Amounts
have been paid. The "Determination Date" with respect to each Distribution  Date
will  be the 17th day of  each month, or if such day  is not a business day, the
preceding business day. Distributions will be made on each Distribution Date  to
holders  of record (which, in  the case of the  Book-Entry Certificates, will be
Cede, as nominee  for DTC)  at the  close of  business on  the last  day of  the
preceding  month (each, a "Record Date"),  except that the final distribution in
respect of each Class A Certificate of any Subclass and each Class M Certificate
will only be made  upon presentation and  surrender of such Class  A or Class  M
Certificate  at the office or  agency appointed by the  Trustee and specified in
the notice  of  final  distribution in  respect  of  such Subclass  of  Class  A
Certificates or Class M Certificate.
 
    The aggregate amount available for distribution to Certificateholders and as
a  Premium  Payment on  each  Distribution Date  will  be the  Pool Distribution
Amount. The "Pool Distribution Amount" for  a Distribution Date will be the  sum
of  all  previously  undistributed  payments or  other  receipts  on  account of
principal (including principal prepayments  and Liquidation Proceeds in  respect
of  principal,  if any)  and interest  on or  in respect  of the  Mortgage Loans
received by the Servicer after  the Cut-Off Date (except  for amounts due on  or
prior  to the  Cut-Off Date),  or received by  the Servicer  on or  prior to the
Cut-Off Date but due after the Cut-Off Date, in either case received on or prior
to the Determination Date in the  month in which such Distribution Date  occurs,
plus  (i) all Periodic Advances made by  the Servicer, (ii) all withdrawals from
any reserve fund established to provide support for the Servicer's obligation to
make advances,  as described  under "--Periodic  Advances" below  and (iii)  all
other  amounts required to be placed in  the Certificate Account by the Servicer
pursuant to the Pooling and Servicing Agreement, but excluding the following:
 
        (a)  amounts  received  as  late  payments  of  principal  or   interest
    respecting  which the Servicer previously has  made one or more unreimbursed
    Periodic Advances or an unreimbursed advance has been made from the  Advance
    Reserve Fund, if established;
 
        (b) any unreimbursed Periodic Advances or unreimbursed advances from the
    Advance Reserve Fund, if established, with respect to Liquidated Loans;
 
        (c)  those portions of each payment of interest on a particular Mortgage
    Loan which represent the applicable Servicing Fee, as adjusted in respect of
    Prepayment Interest Shortfalls as described under "--Interest" below;
 
        (d)  all  amounts  representing  scheduled  payments  of  principal  and
    interest  due  after the  Due  Date occurring  in  the month  in  which such
    Distribution Date occurs;
 
                                      S-24
<PAGE>
        (e) all principal prepayments in full  and all proceeds of any  Mortgage
    Loans,  or  property acquired  in  respect thereof,  liquidated, foreclosed,
    purchased or repurchased  pursuant to the  Pooling and Servicing  Agreement,
    received  on or  after the  Due Date  occurring in  the month  in which such
    Distribution Date occurs, and all partial principal prepayments received  by
    the  Servicer on or after  the Determination Date occurring  in the month in
    which such Distribution Date occurs, and all related payments of interest on
    such amounts;
 
         (f) to the  extent permitted  by the Pooling  and Servicing  Agreement,
    that portion of Liquidation Proceeds or insurance proceeds with respect to a
    Mortgage  Loan  which  represents  any unpaid  Servicing  Fee  to  which the
    Servicer is entitled;
 
        (g) all  amounts  representing  certain  expenses  reimbursable  to  the
    Servicer  and  other amounts  permitted to  be retained  by the  Servicer or
    withdrawn by  the Servicer  from  the Certificate  Account pursuant  to  the
    Pooling and Servicing Agreement;
 
        (h)  all amounts in the nature of late fees, assumption fees, prepayment
    fees and similar fees which the Servicer is entitled to retain as additional
    servicing compensation;
 
         (i) reinvestment  earnings  on  payments received  in  respect  of  the
    Mortgage Loans; and
 
         (j) Net Foreclosure Profits.
 
    On  each Distribution Date,  the Pool Distribution  Amount will be allocated
among the Classes of Certificates and to Financial Security as a Premium Payment
and distributed to the holders of record of such Certificates as of the  related
Record  Date and to Financial Security as follows (the "Pool Distribution Amount
Allocation"):
 
        FIRST, to  each  Subclass  of  Class A  Certificates  and  to  Financial
    Security, pro rata based on the respective Class A Subclass Interest Accrual
    Amounts  and the Premium Payment, as the case may be, in an aggregate amount
    up to the  sum of  the Class  A Subclass  Interest Accrual  Amounts and  the
    Premium Payment with respect to such Distribution Date;
 
        SECOND,  to  each  Subclass of  Class  A Certificates  and  to Financial
    Security, pro rata based on the respective unpaid Class A Subclass  Interest
    Shortfall  Amounts  and unpaid  Premium Shortfall  Amounts, in  an aggregate
    amount up to  the sum  of the previously  unpaid Class  A Subclass  Interest
    Shortfall Amounts and unpaid Premium Shortfall Amounts;
 
        THIRD,  to each Subclass of Class A Certificates, in an aggregate amount
    up to  the  Class  A  Optimal Principal  Amount,  such  distribution  to  be
    allocated  among such Subclasses in accordance with the priorities set forth
    below under "--Principal (Including Prepayments)--Allocation of Amount to be
    Distributed to the Class A and Class M Certificates;"
 
        FOURTH, to the  Class M  Certificates in  an amount  up to  the Class  M
    Interest Accrual Amount with respect to such Distribution Date;
 
        FIFTH,  to the Class  M Certificates in  an amount up  to the previously
    unpaid Class M Interest Shortfall Amount;
 
        SIXTH, to  the Class  M Certificates  in an  amount up  to the  Class  M
    Optimal Principal Amount; and
 
        SEVENTH,  to the  Class B  Certificates first in  an amount  up to their
    Class B  Interest Accrual  Amount with  respect to  such Distribution  Date,
    second  in an amount up to their previously unpaid interest shortfall amount
    and then in an amount up to their optimal principal amount.
 
    The "Class A Distribution Amount" for any Distribution Date will be equal to
the sum of the amounts distributed  in accordance with priorities FIRST  through
THIRD  of the Pool Distribution Amount  Allocation set forth above including any
premium amount payable to Financial Security.
 
                                      S-25
<PAGE>
    The "Class M Distribution Amount" for any Distribution Date will be equal to
the sum of the amounts distributed in accordance with priorities FOURTH  through
SIXTH of the Pool Distribution Amount Allocation set forth above.
 
    The undivided percentage interest (the "Percentage Interest") represented by
any Class A Certificate of a Subclass or Class M Certificate in distributions to
such  Subclass or Class will be equal to the percentage obtained by dividing the
initial principal balance of such Certificate by the aggregate initial principal
balance of all Certificates of such Subclass or Class, as the case may be.
 
    No  Class  A  Certificateholder  will  have  any  right  to  request   early
distributions  in reduction of principal balance  and/or interest of any Class A
Certificate for  any  reason  whatsoever  (including the  death  of  the  holder
thereof), and neither the Trustee, the Seller nor the Servicer will be permitted
to  honor any  such request  received. Distributions  in reduction  of principal
balance of  each Subclass  of Class  A Certificates  will be  made as  described
herein.   No  Certificates  of   any  Subclass  will   be  selected  to  receive
distributions by random lot.
 
INTEREST
    Interest will accrue on  each Subclass of Class  A Certificates (other  than
the  Class A-4, Class  A-5, Class A-14  and Class A-15  Certificates) and on the
Class M Certificates at their respective  Pass-Through Rates or, in the case  of
the  Class A-6  Certificate, as  described below,  during each  one-month period
ending on  the  last  day  of  the month  preceding  the  month  in  which  each
Distribution  Date  occurs  (each,  a "Regular  Interest  Accrual  Period"). The
initial Regular Interest  Accrual Period  will be  deemed to  have commenced  on
December  1,  1992.  Interest  which  accrues  on  such  Subclasses  of  Class A
Certificates and  on  the  Class  M  Certificates  will  be  calculated  on  the
assumption  that distributions in reduction of the principal balances thereof on
a Distribution Date are made on the first day of the month of such  Distribution
Date.  Interest will accrue  on the Class  A-4, Class A-5,  Class A-14 and Class
A-15 Certificates at  the applicable Pass-Through  Rates described below  during
each one-month period commencing on the 25th day of each month and ending on the
24th day of the following month (each, a "LIBOR Based Interest Accrual Period").
The  initial LIBOR Based  Interest Accrual Period will  commence on December 25,
1992. Interest on  each Subclass  of Class  A Certificates  and on  the Class  M
Certificates  will be calculated  on the basis  of a 360-day  year consisting of
twelve 30-day months.
 
    The amount  of  interest which  will  accrue on  each  Subclass of  Class  A
Certificates  during each Regular Interest Accrual Period or, in the case of the
Class A-4, Class A-5, Class A-14  and Class A-15 Certificates, each LIBOR  Based
Interest Accrual Period, is referred to herein as the "Class A Subclass Interest
Accrual  Amount" for such Subclass. The Class A Subclass Interest Accrual Amount
for each Subclass  of Offered  Certificates, other than  the Class  A-6 and  the
Class   A-LR  Certificates,  will  equal  the  product  of  (i)  1/12th  of  the
Pass-Through Rate for such  Subclass and (ii) the  outstanding Class A  Subclass
Principal Balance of such Subclass. The Pass-Through Rate for each such Subclass
of  Offered Certificates, other  than the Class  A-4, Class A-5,  Class A-14 and
Class A-15  Certificates, is  the percentage  set  forth on  the cover  of  this
Prospectus  Supplement. The  Pass-Through Rates  for the  Class A-4,  Class A-5,
Class A-14 and Class  A-15 Certificates will be  determined as described  below.
The  Class A Subclass Interest Accrual Amount for the Class A-6 Certificate will
equal the sum of  (i) the product of  1/12th of 0.41% and  the Class A  Subclass
Principal  Balance of the Class A-7 Certificates  and (ii) the product of 1/12th
of  8.00%  and  the  Class  A  Subclass  Principal  Balance  of  the  Class  A-6
Certificate.  The Class  A Subclass Interest  Accrual Amount for  the Class A-LR
Certificate will equal the  product of (i)  1/12th of 8.00%  and (ii) the  Class
A-LR Notional Amount. The Class A Subclass Interest Accrual Amount for the Class
A-16 Certificates will equal the product of (i) 1/12th of the difference between
(a)  the weighted average of the Net  Mortgage Interest Rates (as defined below)
of the Mortgage Loans as of the first  day of such month and (b) 8.00% and  (ii)
the  Class A-16 Notional  Amount. Each Class A  Subclass Interest Accrual Amount
will be  reduced by  the portion  of (i)  any Non-Supported  Interest  Shortfall
allocable  to  such Subclass  and (ii)  the interest  portion of  Excess Special
Hazard Losses, Excess  Fraud Losses  and Excess Bankruptcy  Losses allocable  to
such Subclass. However, on each Distribution Date
 
                                      S-26
<PAGE>
an  amount equal to any Non-Supported  Interest Shortfall allocable to the Class
A-7 and Class A-9  Certificates will be distributed  from the applicable  Retail
Reserve  Fund to the holders of the Class  A-7 and Class A-9 Certificates to the
extent described below.
 
    On each Distribution Date, Financial  Security will be entitled to  receive,
as  partial payment for the  Policy, an amount (the  "Premium Payment") equal to
(A) the product of (i) 1/12th of 0.09% and (ii) the outstanding Class A Subclass
Principal Balance of the Class A-7 Certificates, less (B) a pro rata portion  of
(i) any Non-Supported Interest Shortfall and (ii) the interest portion of Excess
Special  Hazard Losses,  Excess Fraud Losses  and Excess  Bankruptcy Losses, for
such Distribution Date. The remaining portion of the premium for the Policy will
be paid to  Financial Security by  the Underwriter  on the date  of the  initial
issuance of the Series 1992-47 Certificates.
 
    During  the initial  LIBOR Based  Interest Accrual  Period, the Pass-Through
Rate for  the  Class A-4  Certificates  will be  4.05%  per annum.  During  each
subsequent  LIBOR Based Interest  Accrual Period, the  Pass-Through Rate for the
Class A-4  Certificates will  be a  per  annum rate,  determined on  the  second
business  day preceding  the commencement of  such LIBOR  Based Interest Accrual
Period (each, a  "Rate Determination Date"),  equal to the  lesser of (i)  0.80%
plus  the arithmetic  mean of the  London interbank offered  rate quotations for
one-month Eurodollar deposits  ("LIBOR") prevailing on  such Rate  Determination
Date,  determined as described  below under "--Determination  of LIBOR" and (ii)
approximately 10.00%.
 
    During the initial  LIBOR Based  Interest Accrual  Period, the  Pass-Through
Rate for the Class A-5 Certificates will be approximately 1184.05386% per annum.
During  each subsequent  LIBOR Based  Interest Accrual  Period, the Pass-Through
Rate for the  Class A-5  Certificates will  be a per  annum rate,  subject to  a
minimum  rate of 0% and  a maximum rate of  1830.80278% equal to (i) 1830.80278%
minus (ii) the product  of approximately 198.99967 and  LIBOR, as determined  on
the applicable Rate Determination Date.
 
    During  the initial  LIBOR Based  Interest Accrual  Period, the Pass-Through
Rate for  the Class  A-14 Certificates  will  be 4.35%  per annum.  During  each
subsequent  LIBOR Based Interest  Accrual Period, the  Pass-Through Rate for the
Class A-14 Certificates  will be a  per annum rate  equal to the  lesser of  (i)
1.10%  plus LIBOR, as  determined on the applicable  Rate Determination Date and
(ii) 11.00%.
 
    During the initial  LIBOR Based  Interest Accrual  Period, the  Pass-Through
Rate  for the Class A-15 Certificates will be approximately 17.73333% per annum.
During each subsequent  LIBOR Based  Interest Accrual  Period, the  Pass-Through
Rate  for the  Class A-15 Certificates  will be a  per annum rate,  subject to a
minimum rate of 0% and a maximum rate of 26.40%, equal to (i) 26.40% minus  (ii)
the  product of approximately 2.66667 and LIBOR, as determined on the applicable
Rate Determination Date.
 
    As a result of these calculations,  increasing levels of LIBOR will  produce
reduced  Pass-Through  Rates  for  the Class  A-5  and  Class  A-15 Certificates
(subject to the applicable minimum rates), while decreasing levels of LIBOR will
produce  increased  Pass-Through  Rates  for  the  Class  A-5  and  Class   A-15
Certificates  (subject to the applicable maximum rates). No interest will accrue
on the Class A-4, Class A-5, Class A-14 and Class A-15 Certificates prior to the
commencement of the initial LIBOR Based Interest Accrual Period.
 
    The yields to investors in  the Class A-4, Class  A-5, Class A-14 and  Class
A-15 Certificates will be affected by changes in LIBOR. Levels of LIBOR may have
little  or no correlation to levels  of prevailing mortgage loan interest rates.
It is possible that lower prevailing  mortgage loan interest rates (which  might
be  expected to result  in faster prepayments) could  occur concurrently with an
increased level  of LIBOR.  Conversely, it  is possible  that higher  prevailing
mortgage  loan  interest rates  (which  might be  expected  to result  in slower
prepayments) could  occur concurrently  with  a decreased  level of  LIBOR.  See
"Prepayment and Yield Considerations" herein and in the Prospectus.
 
    The  amount of interest which will accrue on the Class M Certificates during
each month is referred to herein as  the "Class M Interest Accrual Amount."  The
Class  M Interest Accrual Amount  will equal the product  of (i) 1/12th of 8.00%
and (ii)  the  outstanding Class  M  Principal  Balance. The  Class  M  Interest
 
                                      S-27
<PAGE>
Accrual  Amount will be reduced by (i) the portion of any Non-Supported Interest
Shortfall allocable to the Class M Certificates and (ii) the interest portion of
Excess Special Hazard Losses, Excess  Fraud Losses and Excess Bankruptcy  Losses
allocable to the Class M Certificates.
 
    The  amount of  interest which  will accrue on  the Class  B Certificates is
referred to  herein  as the  "Class  B Interest  Accrual  Amount." The  Class  B
Interest  Accrual Amount will equal the product  of (i) 1/12th of 8.00% and (ii)
the outstanding Class B Principal Balance.  The Class B Interest Accrual  Amount
will  be reduced  by (i)  the portion  of any  Non-Supported Interest Shortfalls
allocable to the Class  B Certificates and (ii)  the interest portion of  Excess
Special  Hazard  Losses,  Excess  Fraud  Losses  and  Excess  Bankruptcy  Losses
allocable to the Class B Certificates as described below.
 
    The  "Class  A  Subclass  Principal  Balance"  of  a  Subclass  of  Class  A
Certificates  as of any Determination Date will be the principal balance of such
Subclass on the date of  initial issuance of the  Class A Certificates less  (i)
all  amounts previously distributed to holders  of Certificates of such Subclass
in reduction of the principal balance  of such Subclass and (ii) such  Subclass'
pro  rata share of the principal portion of Excess Special Hazard Losses, Excess
Fraud Losses and Excess Bankruptcy Losses previously allocated to the holders of
Class A Certificates in  the manner described  herein under "--Subordination  of
Class  M and Class  B Certificates--Allocation of  Losses." After the Cross-Over
Date, the Class A  Subclass Principal Balance  of a Subclass  may be subject  to
further  reduction in an  amount equal to  such Subclass' pro  rata share of the
difference, if  any,  between (a)  the  Class A  Principal  Balance as  of  such
Determination  Date without regard  to this provision and  (b) the Adjusted Pool
Amount for the preceding  Distribution Date. Any pro  rata allocation among  the
Subclasses  of Class  A Certificates  described in  this paragraph  will be made
among the  Subclasses  of Class  A  Certificates on  the  basis of  their  then-
outstanding  Class  A  Subclass  Principal  Balances  immediately  prior  to the
preceding Distribution Date.
 
    The "Class A Principal Balance" as  of any Determination Date will be  equal
to the sum of the Class A Subclass Principal Balances of the Subclasses of Class
A Certificates as of such date.
 
    The  "Class M Principal  Balance" as of  any Determination Date  will be the
lesser of (a) the principal balance of  the Class M Certificates on the date  of
initial  issuance of  the Class M  Certificates less (i)  all amounts previously
distributed to holders  of Class M  Certificates in reduction  of the  principal
balance  thereof and (ii) the principal portion of Excess Special Hazard Losses,
Excess Fraud Losses  and Excess  Bankruptcy Losses previously  allocated to  the
holders  of  the  Class M  Certificates  in  the manner  described  herein under
"--Subordination of Class M and Class B Certificates--Allocation of Losses"  and
(b)  the Adjusted  Pool Amount  as of the  preceding Distribution  Date less the
Class A Principal Balance as of such Determination Date.
 
    The "Class B  Principal Balance" as  of any Determination  Date will be  the
lesser  of (a) the initial principal balance  on the date of initial issuance of
the Class B Certificates less (i) all amounts previously distributed to  holders
of  the Class B Certificates  in reduction of the  principal balance thereof and
(ii) the principal portion of Excess Special Hazard Losses, Excess Fraud  Losses
and  Excess Bankruptcy Losses previously allocated to the holders of the Class B
Certificates in the manner described under
"--Subordination of Class M and Class B Certificates--Allocation of Losses"  and
(b)  the Adjusted Pool Amount as of the preceding Distribution Date less the sum
of the Class A Principal Balance and the Class M Principal Balance.
 
    With respect to any Distribution Date, the "Adjusted Pool Amount" will equal
the Cut-Off Date Aggregate Principal Balance of the Mortgage Loans minus the sum
of (i) all amounts in respect of  principal received in respect of the  Mortgage
Loans  (including amounts  received as Periodic  Advances, principal prepayments
and Liquidation Proceeds in respect of principal) and distributed to holders  of
the  Series  1992-47  Certificates  on  such  Distribution  Date  and  all prior
Distribution Dates  and  (ii)  the  principal portion  of  all  Realized  Losses
incurred  on the  Mortgage Loans from  the Cut-Off  Date through the  end of the
month preceding such Distribution Date.
 
                                      S-28
<PAGE>
    The "Net Mortgage Interest Rate" on each Mortgage Loan will be equal to  the
Mortgage  Interest Rate on such Mortgage Loan  as stated in the related mortgage
note minus the Servicing Fee rate of 0.20% per annum. See "Pooling and Servicing
Agreement--Servicing Compensation and Payment of Expenses" herein.
 
    The "Class A-16 Notional Amount" with respect to each Distribution Date will
be equal to the Pool Scheduled Principal Balance, as defined under  "--Principal
(Including  Prepayments)" below,  as of such  Distribution Date.  The Class A-16
Notional  Amount  with  respect   to  the  first   Distribution  Date  will   be
approximately  $275,239,557 less  any partial principal  prepayments received in
December 1992.
 
    The "Class A-LR Notional Amount" with respect to each Distribution Date will
be equal to the sum of the Class A Subclass Principal Balance of the Class  A-LR
Certificate  and  the  Class A  Subclass  Principal  Balance of  the  Class A-16
Certificates.  The  Class  A-LR  Notional  Amount  with  respect  to  the  first
Distribution Date will be $2,000.
 
    A  reserve fund will be established at the time of the issuance of the Class
A-7 and Class A-9  Certificates for each such  Subclass (each a "Retail  Reserve
Fund" and together the "Retail Reserve Funds"). The Retail Reserve Funds for the
Class  A-7 Certificates (the "Class A-7 Retail  Reserve Fund") and for the Class
A-9 Certificates (the "Class A-9 Retail Reserve Fund") will each be  established
by  the  initial deposit  into separate  accounts maintained  by the  Trustee of
approximately $37,252 and $39,784  with respect to the  Class A-7 and Class  A-9
Retail Reserve Funds, respectively.
 
    Amounts  on deposit in the Class A-7 and Class A-9 Retail Reserve Funds will
be withdrawn on  each Distribution Date  to the extent  available, to cover  any
Non-Supported   Interest  Shortfalls  allocated  to  the  related  Subclass.  No
assurance can be given that the amounts  on deposit in each Retail Reserve  Fund
will  be sufficient to cover Non-Supported  Interest Shortfalls allocated to the
related Subclass under all circumstances.
 
    On each  Distribution Date,  after giving  effect to  the applicable  Retail
Reserve  Fund withdrawals  described above  for such  Distribution Date,  to the
extent that the amount  in the applicable Retail  Reserve Fund exceeds (i)  with
respect  to the Class A-7 Certificates, twice the product of (A) 1/12th of 7.50%
and (B) the  Class A Subclass  Principal Balance of  the Class A-7  Certificates
after  giving effect to all distributions  in reduction of the principal balance
of such Subclass of Retail Certificates to be made on such Distribution Date and
(ii) with respect to the Class A-9 Certificates, twice the product of (A) 1/12th
of 8.00%  and (B)  the  Class A  Subclass Principal  Balance  of the  Class  A-9
Certificates,  after  giving effect  to all  distributions  in reduction  of the
principal balance of such  Subclass to be made  on such Distribution Date,  such
excess, if any, will be distributed to the holder of the Class A-LR Certificate.
There  can be  no assurance  as to  the amount  of such  excess, if  any, on any
Distribution Date.
 
    Interest shortfalls resulting from principal prepayments in full of Mortgage
Loans ("Prepayment Interest  Shortfalls") will be  offset to the  extent of  the
aggregate  Servicing  Fees relating  to mortgagor  payments or  other recoveries
distributed on the related Distribution Date.  To the extent that the  aggregate
Prepayment  Interest Shortfalls with  respect to a  Distribution Date exceed the
aggregate Servicing  Fees relating  to mortgagor  payments or  other  recoveries
distributed  on such  Distribution Date,  the resulting  interest shortfall (the
"Non-Supported Interest  Shortfall")  will  be  allocated to  (i)  the  Class  A
Certificates  and the  Premium Payment according  to the  percentage obtained by
dividing the  then-outstanding Class  A  Principal Balance  by  the sum  of  the
then-outstanding  Class A Principal Balance, Class M Principal Balance and Class
B Principal Balance, (ii) the Class  M Certificates according to the  percentage
obtained  by dividing the then-outstanding Class  M Principal Balance by the sum
of the then-outstanding Class A Principal Balance, Class M Principal Balance and
Class B Principal Balance  and (iii) the Class  B Certificates according to  the
percentage  obtained by dividing the  then-outstanding Class B Principal Balance
by the sum of the then-outstanding Class A Principal Balance, Class M  Principal
Balance and Class B Principal Balance. Such allocation of Non-Supported Interest
Shortfalls  will reduce the amount of interest  due to be distributed to holders
of the  Class  A Certificates  then  entitled  to distributions  in  respect  of
interest  and  the  amount of  the  Premium  Payment due  to  be  distributed to
Financial Security. Such  allocation of Non-Supported  Interest Shortfalls  will
also reduce the amount of
 
                                      S-29
<PAGE>
interest  due to be distributed  to the holders of  the Class M Certificates and
the Class B  Certificates. Any  such reduction in  respect of  interest will  be
allocated  among the Subclasses of Class  A Certificates and the Premium Payment
pro rata on  the basis  of their respective  Class A  Subclass Interest  Accrual
Amounts  and the amount  of such Premium Payment,  as the case  may be, for such
Distribution Date. See "Servicing of the Mortgage Loans--Adjustment to Servicing
Fee in  Connection with  Prepaid  Mortgage Loans"  in the  Prospectus.  Interest
shortfalls  resulting  from  the  timing of  the  receipt  of  partial principal
prepayments on the Mortgage Loans will not be offset by Servicing Fees and will,
on each Distribution Date occurring prior  to the Cross-Over Date, be  allocated
first  to the Class B  Certificates and then to  the Class M Certificates before
being borne  by  the Class  A  Certificates and  the  Premium Payment.  See  "--
Subordination  of  the  Class  M  and  Class  B  Certificates"  below.  On  each
Distribution Date  occurring  on or  after  the Cross-Over  Date,  any  interest
shortfalls  resulting  from  the  timing of  the  receipt  of  partial principal
prepayments will be  considered Non-Supported  Interest Shortfalls  and will  be
allocated  to  the Class  A Certificates  and the  Premium Payment  as described
above. The Policy will not cover any Non-Supported Interest Shortfalls allocated
to the  Class A-7  or  Class A-9  Certificates.  See "--The  Financial  Guaranty
Insurance Policy" below.
 
    The  interest  portion of  any Excess  Special  Hazard Losses,  Excess Fraud
Losses or Excess Bankruptcy Losses will be allocated among the Class A, Class  M
and  Class B Certificates and the Premium Payment pro rata based on the interest
accrued on each such Class or the  amount of such Premium Payment and among  the
Subclasses  of Class A  Certificates pro rata  on the basis  of their respective
Class A Subclass Interest Accrual Amounts for such Distribution Date. The Policy
will cover any such losses allocated to the Class A-7 or Class A-9 Certificates.
See "--The Financial Guaranty Insurance Policy" below.
 
    Allocations of the interest  portion of Realized  Losses (other than  Excess
Special Hazard Losses, Excess Fraud Losses or Excess Bankruptcy Losses) first to
the  Class B Certificates and then to  the Class M Certificates will result from
the priority  of  distributions first  to  the Class  A  Certificateholders  and
Financial  Security  and then  to  the Class  M  Certificateholders of  the Pool
Distribution Amount as described above under "--Distributions."
 
    On each Distribution Date  on which the Pool  Distribution Amount equals  or
exceeds the sum of the Class A Subclass Interest Accrual Amounts and the Premium
Payment,  distributions  in respect  of  interest to  each  Subclass of  Class A
Certificates will equal such Subclass' Class A Subclass Interest Accrual  Amount
and  the  amount  distributable to  Financial  Security will  equal  the Premium
Payment.
 
    If, on any Distribution Date, the Pool Distribution Amount is less than  the
sum  of the Class A  Subclass Interest Accrual Amounts  and the Premium Payment,
the amount of interest currently distributed on the Class A Certificates and the
amount of the Premium Payment currently distributable to Financial Security will
equal the Pool Distribution Amount and will be allocated among the Subclasses of
Class A Certificates  and Financial Security  pro rata in  accordance with  each
such Subclass' Class A Subclass Interest Accrual Amount and Financial Security's
Premium Payment. Amounts so allocated will be distributed in respect of interest
to each Subclass of Class A Certificates and to Financial Security in respect of
the Premium Payment. Any difference between the portion of the Pool Distribution
Amount  distributed in respect of  current interest to each  Subclass of Class A
Certificates and to Financial Security in respect of the Premium Payment and the
Class A  Subclass Interest  Accrual Amount  for such  Subclass and  the  Premium
Payment,  as the case may be, with respect to the related Distribution Date net,
in the case of  the Class A-7  and Class A-9 Certificates,  of any amounts  paid
pursuant  to the Policy in respect of interest for such Distribution Date (as to
each Subclass,  the "Class  A  Subclass Interest  Shortfall  Amount" and  as  to
Financial  Security, the "Premium Shortfall Amount") will be added to the amount
to be distributed on subsequent Distribution  Dates to the extent that the  Pool
Distribution  Amount is sufficient  therefor. The Policy will  cover any Class A
Subclass Interest Shortfall Amount  which may be allocated  to the Class A-7  or
Class  A-9 Certificates. See "--The  Financial Guaranty Insurance Policy" below.
No interest  will accrue  on  the unpaid  Class  A Subclass  Interest  Shortfall
Amounts or unpaid Premium Shortfall Amounts.
 
                                      S-30
<PAGE>
    On  each Distribution Date on which the Pool Distribution Amount exceeds the
sum of the Class  A Subclass Interest Accrual  Amounts and the Premium  Payment,
any  excess  will then  be  allocated first  to  pay previously  unpaid  Class A
Subclass Interest Shortfall Amounts and  unpaid Premium Shortfall Amounts.  Such
amounts  will  be allocated  among the  Subclasses of  Class A  Certificates and
Financial Security pro  rata in accordance  with the respective  unpaid Class  A
Subclass   Interest  Shortfall  Amount  and  unpaid  Premium  Shortfall  Amounts
immediately prior to such Distribution Date.
 
    On each Distribution Date  on which the Pool  Distribution Amount equals  or
exceeds  the sum for such Distribution Date of (A) the sum of (i) the sum of the
Class A Subclass Interest Accrual Amounts with respect to each Subclass of Class
A Certificates and  the Premium  Payment, (ii)  the sum  of the  unpaid Class  A
Subclass  Interest Shortfall  Amounts with respect  to each Subclass  of Class A
Certificates and unpaid Premium Shortfall Amounts and (iii) the Class A  Optimal
Principal  Amount (collectively  with the amounts  described in  clauses (i) and
(ii), the "Class A Optimal Amount") and (B) the Class M Interest Accrual Amount,
distributions in respect of  current interest to the  Class M Certificates  will
equal the Class M Interest Accrual Amount.
 
    If,  on any Distribution Date, the Pool Distribution Amount is less than the
sum of (i)  the Class A  Optimal Amount and  (ii) the Class  M Interest  Accrual
Amount,  the amount of current interest  distributed on the Class M Certificates
will equal the  Pool Distribution Amount  minus the amounts  distributed to  the
Class  A Certificates  with respect  to such  Distribution Date.  Any difference
between the portion of  the Pool Distribution Amount  distributed in respect  of
current  interest to the Class  M Certificates and the  Class M Interest Accrual
Amount with respect to such Distribution  Date (the "Class M Interest  Shortfall
Amount"),  will  be  added  to  the  amount  to  be  distributed  on  subsequent
Distribution Dates to the extent that the Pool Distribution Amount is sufficient
therefor. No  interest will  accrue on  the unpaid  Class M  Interest  Shortfall
Amount.
 
    On  each Distribution Date on which the Pool Distribution Amount exceeds the
sum of the Class A Optimal Amount  and the Class M Interest Accrual Amount,  any
excess  will  be  allocated first  to  pay  previously unpaid  Class  M Interest
Shortfall Amounts and then to make distributions in respect of principal on  the
Class  M Certificates and in respect of interest and then principal on the Class
B Certificates. With  respect to each  Distribution Date, the  "Class M  Optimal
Amount"  will equal the sum of (i) the Class M Interest Accrual Amount, (ii) the
unpaid Class M Interest Shortfall Amount and (iii) the Class M Optimal Principal
Amount.
 
    On any Distribution Date on which the Pool Distribution Amount is less  than
the  Class  A  Optimal  Amount,  the  Class  M  Certificates  and  the  Class  B
Certificates will not be entitled to any distributions of interest or principal.
 
DETERMINATION OF LIBOR
 
    On each Rate Determination  Date, the Trustee will  determine LIBOR for  the
succeeding LIBOR Based Interest Accrual Period on the basis of the offered LIBOR
quotations  of  the Reference  Banks,  as such  quotations  are provided  to the
Trustee as of 11:00 a.m. (London time) on such Rate Determination Date. As  used
herein  with respect to a Rate Determination Date, "business day" means a day on
which banks are open for dealing in foreign currency and exchange in London  and
New   York  City;  "Reference  Banks"  means   four  leading  banks  engaged  in
transactions in Eurodollar deposits in the International Eurocurrency market (i)
with an established place of business in London, (ii) whose quotations appear on
the Reuters Screen  LIBO Page  on the Rate  Determination Date  in question  and
(iii) which have been designated as such by the Trustee and are able and willing
to  provide such quotations to the Trustee  on each Rate Determination Date; and
"Reuters Screen LIBO Page"  means the display designated  as page "LIBO" on  the
Reuters  Monitor Money Rates Service (or such other page as may replace the LIBO
page on that service for the purpose of displaying London Interbank offered rate
quotations of major  banks). If any  Reference Bank should  be removed from  the
Reuters Screen LIBO Page or in any other way fails to meet the qualifications of
a  Reference  Bank,  the  Trustee  may, in  its  sole  discretion,  designate an
alternative Reference Bank.
 
                                      S-31
<PAGE>
    On each Rate Determination Date, LIBOR  for the next succeeding LIBOR  Based
Interest Accrual Period will be established by the Trustee as follows:
 
        (i)   If  on any Rate  Determination Date  two or more  of the Reference
    Banks provide  such  offered quotations,  LIBOR  for the  next  LIBOR  Based
    Interest  Accrual  Period  will  be  the  arithmetic  mean  of  such offered
    quotations (rounding  such  arithmetic  mean upwards  if  necessary  to  the
    nearest whole multiple of 1/16%).
 
        (ii) If on any Rate Determination Date only one or none of the Reference
    Banks  provides  such offered  quotations, LIBOR  for  the next  LIBOR Based
    Interest Accrual Period will be the higher of (x) LIBOR as determined on the
    previous Rate  Determination Date  or  (y) the  Reserve Interest  Rate.  The
    "Reserve  Interest  Rate"  will be  the  rate  per annum  which  the Trustee
    determines to be either  (A) the arithmetic  mean (rounding such  arithmetic
    mean  upwards if necessary  to the nearest  whole multiple of  1/16%) of the
    one-month Eurodollar lending rate that New  York City banks selected by  the
    Trustee  are  quoting,  on  the relevent  Rate  Determination  Date,  to the
    principal London  offices  of at  least  two  leading banks  in  the  London
    Interbank  market or (B) in the event that the Trustee can determine no such
    arithmetic mean, the lowest one-month  Eurodollar lending rate that the  New
    York   City  banks  selected  by  the  Trustee  are  quoting  on  such  Rate
    Determination Date to leading European banks.
 
        (iii) If on any Rate Determination  Date the Trustee is required but  is
    unable  to determine  the Reserve  Interest Rate  in the  manner provided in
    paragraph (ii) above, LIBOR for the next LIBOR Based Interest Accrual Period
    will be LIBOR as determined on the previous Rate Determination Date, or,  in
    the case of the first Rate Determination Date, 3.25%.
 
    The  establishment  of LIBOR  by the  Trustee  and the  Trustee's subsequent
calculation of the  rates of interest  applicable to the  Class A-4, Class  A-5,
Class  A-14 and  Class A-15 Certificates  for the relevant  LIBOR Based Interest
Accrual Period, in the absence of manifest error, will be final and binding. The
Pass-Through Rates  on the  Class A-4,  Class  A-5, Class  A-14 and  Class  A-15
Certificates  for any  LIBOR Based  Interest Accrual  Period may  be obtained by
telephoning the Trustee at (612) 223-7900.
 
PRINCIPAL (INCLUDING PREPAYMENTS)
 
    The principal balance of  a Class A  Certificate of any  Subclass or of  any
Class  M Certificate at any time is equal to the product of the Class A Subclass
Principal Balance of such Subclass or the Class M Principal Balance, as the case
may be, and such Certificate's  Percentage Interest, and represents the  maximum
specified  dollar amount (exclusive of (i) any  interest that may accrue on such
Class A Certificate or Class M Certificate and (ii) in the case of the Class A-R
and Class A-LR  Certificates, any additional  amounts to which  a holder of  the
Class  A-R or Class  A-LR Certificate may  be entitled as  described below under
"--Additional Rights of  the Class  A-R and Class  A-LR Certificateholders")  to
which the holder thereof is entitled from the cash flow on the Mortgage Loans at
such  time, and will decline to the  extent of distributions in reduction of the
principal balance  of,  and allocations  of  losses to,  such  Certificate.  The
approximate initial Class A Subclass Principal Balance of each Subclass of Class
A  Certificates (other  than the  Class A-16  Certificates) and  the approximate
initial Class M Principal Balance are set forth on the cover of this  Prospectus
Supplement.  The initial  Class A Subclass  Principal Balance of  the Class A-16
Certificates is $1,000.
 
  CALCULATION OF AMOUNT TO BE DISTRIBUTED TO THE CLASS A CERTIFICATES
 
    Distributions  in  reduction  of  the  principal  balance  of  the  Class  A
Certificates  will be made on each  Distribution Date pursuant to priority THIRD
of the Pool Distribution Amount Allocation, in an aggregate amount (the "Class A
Principal Distribution Amount") up to the Class A Optimal Principal Amount.
 
    The "Class A  Optimal Principal  Amount" with respect  to each  Distribution
Date will be an amount equal to the sum of (i) the Class A Percentage of (A) all
scheduled payments of principal due on each outstanding Mortgage Loan (including
each  defaulted Mortgage  Loan, other  than a  Liquidated Loan,  with respect to
which the related Mortgaged Property has  been acquired by the Trust Estate)  on
the  first day of the  month in which the Distribution  Date occurs, less (B) if
the Bankruptcy Coverage Termination
 
                                      S-32
<PAGE>
Date has occurred, the  principal portion of Debt  Service Reductions, (ii)  the
Class  A  Prepayment  Percentage  of the  Scheduled  Principal  Balance  of each
Mortgage Loan which, during the month  preceding the month of such  Distribution
Date  was repurchased by the  Seller, as described under  the heading "The Trust
Estates--Mortgage Loans"  in  the  Prospectus,  (iii)  the  Class  A  Prepayment
Percentage  of the aggregate net Liquidation Proceeds on all Mortgage Loans that
became Liquidated  Loans  during such  preceding  month (excluding  the  portion
thereof,  if  any,  constituting  Net  Foreclosure  Profits,  as  defined  under
"--Additional Rights of the Class A-R and Class A-LR Certificateholders" below),
less the amounts allocable  to principal of  any unreimbursed Periodic  Advances
previously  made by the Servicer and  any unreimbursed advances from the Advance
Reserve Fund (if  established) with  respect to  such Liquidated  Loans and  the
portion  of the net Liquidation Proceeds allocable to interest, (iv) the Class A
Prepayment Percentage of an  amount equal to the  principal portion of  Realized
Losses (other than Bankruptcy Losses due to Debt Service Reductions) incurred in
such  preceding  month other  than Excess  Special  Hazard Losses,  Excess Fraud
Losses and Excess Bankruptcy  Losses, (v) the Class  A Prepayment Percentage  of
the Scheduled Principal Balance of each Mortgage Loan which was the subject of a
principal  prepayment  in full  during  the month  preceding  the month  of such
Distribution Date,  (vi)  the  Class  A Prepayment  Percentage  of  all  partial
principal  prepayments received  by the Servicer  on or  after the Determination
Date occurring in the month preceding the month in which such Distribution  Date
occurs  and prior to the Determination Date occurring in the month in which such
Distribution Date occurs  and (vii)  the Class  A Percentage  of the  difference
between  the unpaid  principal balance  of any  Mortgage Loan  substituted for a
defective Mortgage  Loan during  the month  preceding the  month in  which  such
Distribution  Date occurs  and the  unpaid principal  balance of  such defective
Mortgage Loan,  less the  amounts  allocable to  principal of  any  unreimbursed
Periodic  Advances and any  unreimbursed advances from  the Advance Reserve Fund
(if established) with respect  to such defective Mortgage  Loan. See "The  Trust
Estates--Mortgage  Loans--Assignment of  Mortgage Loans  to the  Trustee" in the
Prospectus. In addition, in the event that there is any recovery of an amount in
respect of principal which had previously  been allocated as a Realized Loss  to
the  Class  A  Certificates, each  Subclass  of  the Class  A  Certificates then
outstanding will be entitled to its pro rata share of such recovery in an amount
up to  the amount  by  which the  Class A  Subclass  Principal Balance  of  such
Subclass was reduced as a result of such Realized Loss.
 
    The  "Scheduled Principal Balance" of a Mortgage Loan as of any Distribution
Date is the unpaid principal balance of  such Mortgage Loan as specified in  the
amortization  schedule at  the time relating  thereto (before  any adjustment to
such schedule  by  reason  of  bankruptcy  (other  than  Deficient  Valuations),
moratorium  or similar waiver or  grace period) as of  the Due Date occurring in
the month preceding  the month  in which  such Distribution  Date occurs,  after
giving  effect to any  principal prepayments or  other unscheduled recoveries of
principal previously received, to any  partial principal prepayments applied  as
of  such Due Date, Deficient Valuations occurring  prior to such Due Date and to
the payment  of  principal  due  on  such Due  Date,  and  irrespective  of  any
delinquency in payment by the mortgagor.
 
    A  "Liquidated Loan" is a  defaulted Mortgage Loan as  to which the Servicer
has determined that all recoverable liquidation and insurance proceeds have been
received. A "Liquidated Loan Loss" on a Liquidated Loan is equal to the  excess,
if  any,  of (i)  the unpaid  principal  balance of  such Liquidated  Loan, plus
interest thereon  in  accordance  with  the amortization  schedule  at  the  Net
Mortgage  Interest Rate through the last day of the month in which such Mortgage
Loan was  liquidated,  over  (ii)  net Liquidation  Proceeds.  For  purposes  of
calculating the amount of any Liquidated Loan Loss, all net Liquidation Proceeds
(after  reimbursement to the  Servicer for any  previously unreimbursed advance)
will be  applied first  to accrued  interest and  then to  the unpaid  principal
balance  of the Liquidated  Loan. A "Special  Hazard Loss" is  a Liquidated Loan
Loss occurring as  a result of  a hazard  not insured against  under a  standard
hazard insurance policy of the type described in the Prospectus under "The Trust
Estates--  Mortgage Loans--Insurance Policies".  A "Fraud Loss"  is a Liquidated
Loan Loss incurred  on a  Liquidated Loan  as to which  there was  fraud in  the
origination of such Mortgage Loan. A "Bankruptcy Loss" is a loss attributable to
certain  actions which may be  taken by a bankruptcy  court in connection with a
Mortgage Loan, including  a reduction  by a  bankruptcy court  of the  principal
balance of or the interest
 
                                      S-33
<PAGE>
rate  on  a Mortgage  Loan  or an  extension of  its  maturity. A  "Debt Service
Reduction" means a reduction  in the amount of  monthly payments due to  certain
bankruptcy  proceedings,  but  does  not include  any  permanent  forgiveness of
principal. A  "Deficient Valuation"  with respect  to a  Mortgage Loan  means  a
valuation  by  a court  of the  Mortgaged Property  in an  amount less  than the
outstanding indebtedness under the Mortgage Loan or any reduction in the  amount
of  monthly payments that results in a permanent forgiveness of principal, which
valuation or reduction  results from  a bankruptcy  proceeding. Liquidated  Loan
Losses  (including Special Hazard Losses and Fraud Losses) and Bankruptcy Losses
are referred to herein as "Realized Losses."
 
    The "Class A Percentage"  for any Distribution Date  occurring prior to  the
Cross-Over  Date is the percentage (subject to rounding), which in no event will
exceed 100%, obtained by dividing the Class A Principal Balance as of such  date
(before  taking into account distributions in  reduction of principal balance on
such date) by the aggregate Scheduled  Principal Balances of all Mortgage  Loans
for such Distribution Date (the "Pool Scheduled Principal Balance"). The Class A
Percentage  for the  first Distribution Date  will be  approximately 92.25%. The
Class A  Percentage will  decrease as  a  result of  the allocation  of  certain
unscheduled payments in respect of principal according to the Class A Prepayment
Percentage  for a specified period to the Class A Certificates and will increase
as a result of the allocation of Realized Losses to the Class B and the Class  M
Certificates.  The Class A Percentage for each Distribution Date occurring on or
after the Cross-Over Date will be 100%.
 
    The "Class  A Prepayment  Percentage" for  any Distribution  Date  occurring
during  the five years beginning on the  first Distribution Date will, except as
provided below, equal 100%. Thereafter,  the Class A Prepayment Percentage  will
be  subject to gradual  reduction as described in  the following paragraph. This
disproportionate allocation  of  certain  unscheduled  payments  in  respect  of
principal  will have the effect of accelerating  the amortization of the Class A
Certificates while, in the absence of Realized Losses, increasing the respective
interest in the principal balance of the Mortgage Loans evidenced by the Class M
and Class B Certificates. Increasing the respective interest of the Class M  and
Class B Certificates relative to that of the Class A Certificates is intended to
preserve the availability of the subordination provided by the Class M and Class
B Certificates. See "--Subordination of Class M and Class B Certificates" below.
 
    The  Class A Prepayment Percentage for any Distribution Date occurring on or
after the fifth anniversary of the  first Distribution Date will be as  follows:
for  any  Distribution Date  subsequent to  December 1997  to and  including the
Distribution Date in December 1998, the Class A Percentage for such Distribution
Date plus 70% of the Subordinated Percentage for such Distribution Date; for any
Distribution Date subsequent to December 1998 to and including the  Distribution
Date  in December 1999, the  Class A Percentage for  such Distribution Date plus
60%  of  the  Subordinated  Percentage  for  such  Distribution  Date;  for  any
Distribution  Date subsequent to December 1999 to and including the Distribution
Date in December 2000,  the Class A Percentage  for such Distribution Date  plus
40%  of  the  Subordinated  Percentage  for  such  Distribution  Date;  for  any
Distribution Date subsequent to December 2000 to and including the  Distribution
Date  in December 2001, the  Class A Percentage for  such Distribution Date plus
20% of  the Subordinated  Percentage for  such Distribution  Date; and  for  any
Distribution  Date thereafter, the Class A Percentage for such Distribution Date
(unless on  any of  the  foregoing Distribution  Dates  the Class  A  Percentage
exceeds  the initial Class  A Percentage, in  which case the  Class A Prepayment
Percentage  for  such  Distribution  Date  will  once  again  equal  100%).  See
"Prepayment   and   Yield  Considerations"   herein   and  in   the  Prospectus.
Notwithstanding the foregoing, no reduction of the Class A Prepayment Percentage
will occur  if (i)  as of  the  first Distribution  Date as  to which  any  such
reduction  applies,  more than  an average  of 2%  of the  dollar amount  of all
monthly payments  on the  Mortgage Loans  due in  each of  the preceding  twelve
months  were delinquent 60 days or more (including for this purpose any Mortgage
Loans in  foreclosure and  Mortgage  Loans with  respect  to which  the  related
Mortgaged  Property has been  acquired by the Trust  Estate), or (ii) cumulative
Realized Losses with respect  to the Mortgage Loans  exceed (a) with respect  to
the  Distribution Date  in January  1998, 30%  of the  principal balance  of the
Subordinated Certificates as  of the  Cut-Off Date  (the "Original  Subordinated
Principal  Balance"), (b) with respect to the Distribution Date in January 1999,
 
                                      S-34
<PAGE>
35% of the  Original Subordinated  Principal Balance,  (c) with  respect to  the
Distribution  Date in January  2000, 40% of  the Original Subordinated Principal
Balance, (d) with respect to the Distribution  Date in January 2001, 45% of  the
Original   Subordinated  Principal  Balance,   and  (e)  with   respect  to  the
Distribution Date in January  2001, 50% of  the Original Subordinated  Principal
Balance.  The  "Subordinated  Percentage"  for  any  Distribution  Date  will be
calculated as the difference  between 100% and the  Class A Percentage for  such
date. The "Subordinated Prepayment Percentage" for any Distribution Date will be
calculated  as the difference between 100% and the Class A Prepayment Percentage
for such  date. If  on  any Distribution  Date the  allocation  to the  Class  A
Certificates  of full and partial principal prepayments and other amounts in the
percentage required above would reduce the outstanding Class A Principal Balance
below zero, the Class A Prepayment Percentage for such Distribution Date will be
limited to the percentage necessary to  reduce the Class A Principal Balance  to
zero.   See  "Description  of   the  Certificates--Distributions  to  Percentage
Certificateholders--Shifting Interest Certificates" in the Prospectus.
 
  CALCULATION OF AMOUNT TO BE DISTRIBUTED TO THE CLASS M CERTIFICATES
 
    Distributions  in  reduction  of  the  principal  balance  of  the  Class  M
Certificates  will be made on each Distribution Date, pursuant to priority SIXTH
of the Pool Distribution Amount Allocation, in an aggregate amount (the "Class M
Principal Distribution Amount"), up to the Class M Optimal Principal Amount.
 
    The "Class M  Optimal Principal  Amount" with respect  to each  Distribution
Date will be an amount equal to the sum of (i) the Class M Percentage of (A) all
scheduled payments of principal due on each outstanding Mortgage Loan (including
each  defaulted Mortgage  Loan, other  than a  Liquidated Loan,  with respect to
which the related Mortgaged Property has  been acquired by the Trust Estate)  on
the  first day of the  month in which the Distribution  Date occurs, less (B) if
the Bankruptcy Coverage Termination Date has occurred, the principal portion  of
Debt Service Reductions, (ii) the Class M Prepayment Percentage of the Scheduled
Principal  Balance of each  Mortgage Loan which, during  the month preceding the
month of such  Distribution Date  was repurchased  by the  Seller, as  described
under  the heading "The Trust Estates--Mortgage  Loans" in the Prospectus, (iii)
the Class M Prepayment Percentage of  the aggregate net Liquidation Proceeds  on
all  Mortgage Loans  that became  Liquidated Loans  during such  preceding month
(excluding the portion thereof, if  any, constituting Net Foreclosure  Profits),
less  the amounts allocable  to principal of  any unreimbursed Periodic Advances
previously made by the Servicer and  any unreimbursed advances from the  Advance
Reserve  Fund (if  established) with  respect to  such Liquidated  Loans and the
portion of the  net Liquidation  Proceeds allocable  to Interest,  (iv) on  each
Distribution  Date prior to  the reduction of  the Class B  Principal Balance to
zero, the Class  M Prepayment  Percentage of an  amount equal  to the  principal
portion  of Realized  Losses (other than  Bankruptcy Losses due  to Debt Service
Reductions) incurred in such  preceding month other  than Excess Special  Hazard
Losses,  Excess  Fraud Losses  and  Excess Bankruptcy  Losses,  (v) the  Class M
Prepayment Percentage of the Scheduled  Principal Balance of each Mortgage  Loan
which  was  the subject  of  a principal  prepayment  in full  during  the month
preceding the  month of  such Distribution  Date, (vi)  the Class  M  Prepayment
Percentage  of all partial principal prepayments  received by the Servicer on or
after the Determination Date occurring in the month preceding the month in which
such Distribution Date occurs and prior  to the Determination Date occurring  in
the  month  in  which  such  Distribution Date  occurs  and  (vii)  the  Class M
Percentage of  the  difference  between  the unpaid  principal  balance  of  any
Mortgage  Loan  substituted  for  a defective  Mortgage  Loan  during  the month
preceding the  month in  which  such Distribution  Date  occurs and  the  unpaid
principal balance of such defective Mortgage Loan, less the amounts allocable to
principal  of any unreimbursed  Periodic Advances and  any unreimbursed advances
from the Advance Reserve  Fund (if established) with  respect to such  defective
Mortgage  Loan. See  "The Trust Estates--Mortgage  Loans--Assignment of Mortgage
Loans to the Trustee" in the Prospectus. In addition, in the event that there is
any recovery of  an amount  in respect of  principal which  had previously  been
allocated  as  a  Realized  Loss  to  the  Class  M  Certificates,  the  Class M
Certificates will be entitled to their pro rata share of such recovery up to the
amount by which the Class  M Principal Balance was reduced  as a result of  such
Realized Loss.
 
    The  "Class  M  Percentage"  and "Class  M  Prepayment  Percentage"  for any
Distribution Date will  equal that  portion of the  Subordinated Percentage  and
Subordinated Prepayment Percentage, as the
 
                                      S-35
<PAGE>
case  may  be,  represented  by  the fraction  the  numerator  of  which  is the
then-outstanding Class M Principal Balance and  the denominator of which is  the
sum  of  the Class  M Principal  Balance and,  if the  Class B  Certificates are
entitled to principal distributions for  such Distribution Date as described  in
the succeeding paragraph, the Class B Principal Balance.
 
    In   the  event  that  on  any   Distribution  Date,  the  Current  Class  M
Subordination Level is less than the Original Class M Subordination Level,  then
the  Class B Certificates  will not be  entitled to distributions  in respect of
principal and the Class B  Principal Balance will not  be used to determine  the
Class M Percentage and Class M Prepayment Percentage for such Distribution Date.
For  such  Distribution Date,  the  Class M  Percentage  and Class  M Prepayment
Percentage  will  equal  the   Subordinated  Percentage  and  the   Subordinated
Prepayment Percentage, respectively.
 
    The  "Original Class  M Subordination Level"  is the  percentage obtained by
dividing the initial  Class B  Subclass Principal  Balance by  the Cut-Off  Date
Aggregate  Principal  Balance  of  the  Mortgage  Loans.  The  Original  Class M
Subordination Level is expected to be approximately 6.50%. The "Current Class  M
Subordination  Level" for  any Distribution Date  is the  percentage obtained by
dividing the sum of the then-outstanding Class B Principal Balance by the sum of
the Class A Principal  Balance, the Class  M Principal Balance  and the Class  B
Principal Balance.
 
  ALLOCATION OF AMOUNT TO BE DISTRIBUTED TO THE CLASS A AND CLASS M CERTIFICATES
 
    Solely  for purposes of determining  distributions in reduction of principal
balance, the  Class A-12  Certificates will  be deemed  to consist  of  multiple
components  that have payment characteristics  identical to the TAC Certificates
(each, a  "TAC  Component"), each  with  an identifiable  principal  balance  (a
"Component  Principal Balance"). However,  the Beneficial Owner  of a Class A-12
Certificate will not  have a severable  interest in any  one TAC Component,  but
will  have an undivided  interest in the  entire Subclass. The  Class A Subclass
Principal Balance of the Class A-12 Certificates will be, on any date, equal  to
the  sum of the  Component Principal Balances of  its respective outstanding TAC
Components as  of  such date.  The  TAC  Components comprising  the  Class  A-12
Certificates  and their respective initial  Component Principal Balances are set
forth in the following table.
 
<TABLE>
<CAPTION>
     COMPONENT DESIGNATION                INITIAL COMPONENT PRINCIPAL BALANCE(1)
<S>                                       <C>
    Class A-12A TAC Component...........                $10,440,000
    Class A-12B TAC Component...........                $12,300,000
    Class A-12C TAC Component...........                $14,260,000
</TABLE>
 
(1)  Approximate. The  Initial  Component  Principal  Balances  are  subject  to
     adjustment  in the event that the Class A Subclass Principal Balance of the
     Class A-12 Certificates is adjusted as described herein.
 
    On each Distribution Date occurring prior to the Cross-Over Date, the  Class
A  Principal  Distribution Amount  will be  allocated  among and  distributed in
reduction of the principal balances of the Subclasses of Class A Certificates as
follows:
 
    FIRST,  concurrently,  (i)  approximately   33.728523%  to  the  Class   A-4
Certificates, up to their TAC Principal Amount with respect to such Distribution
Date,  (ii) approximately 0.169490%  to the Class A-5  Certificates, up to their
TAC Principal Amount with respect to such Distribution Date, (iii) approximately
8.621891% to the Class A-12A TAC Component, up to its TAC Principal Amount  with
respect   to  such   Distribution  Date   and  (iv)   approximately  57.480096%,
sequentially, to the  Class A-1,  Class A-2 and  Class A-3  Certificates, up  to
their respective TAC Principal Amounts with respect to such Distribution Date;
 
    SECOND,  concurrently, (i) approximately 44.696897% to be applied (a) first,
to the Class A-12B TAC  Component and (b) second, pro  rata, to the Class  A-12C
TAC  Component  and the  Class  A-13 Certificates,  up  to their  respective TAC
Principal Amounts with respect to such Distribution Date and (ii)  approximately
55.303103% to be applied (a) first, concurrently, to the Class A-6 and Class A-7
 
                                      S-36
<PAGE>
Certificates,  pro  rata,  up to  their  respective TAC  Principal  Amounts with
respect to such Distribution Date and (b) second, to the Class A-8 Certificates,
up to their TAC Principal Amount with respect to such Distribution Date;
 
    THIRD, concurrently, to the Class A-9 and Class A-11 Certificates, pro rata,
up to their respective TAC Principal  Amounts with respect to such  Distribution
Date;
 
    FOURTH, to the Class A-10 Certificates up to their TAC Principal Amount with
respect to such Distribution Date;
 
    FIFTH,  concurrently, to  the Class  A-14 and  Class A-15  Certificates, pro
rata, until the  Class A Subclass  Principal Balance of  each such Subclass  has
been reduced to zero;
 
    SIXTH,  to the Class A-1, Class A-2,  Class A-3, Class A-4, Class A-5, Class
A-6, Class A-7,  Class A-8, Class  A-9, Class  A-10, Class A-11  and Class  A-13
Certificates  and the Class A-12A, Class A-12B and Class A-12C TAC Components in
the proportions and priorities set forth in clauses FIRST through FOURTH  above,
without  regard to their respective TAC Principal  Amounts and until the Class A
Subclass Principal Balance  of each  such Subclass and  the Component  Principal
Balance  of each  such TAC Component,  as the case  may be, has  been reduced to
zero; and
 
    SEVENTH, to the Class A-16, Class A-R and Class A-LR Certificates, pro  rata
until  the Class  A Subclass  Principal Balance of  each such  Subclass has been
reduced to zero.
 
    As used above, the "TAC Principal Amount" for any Distribution Date and  for
any  Subclass of TAC Certificates or any TAC Component means the amount, if any,
that would reduce the Class A Subclass Principal Balance of such Subclass or the
Component Principal Balance of such  TAC Component, as the  case may be, to  the
percentage  of  its  initial  Class  A  Subclass  Principal  Balance  or initial
Component Principal Balance shown in the tables set forth below with respect  to
such Distribution Date.
 
    On  each Distribution  Date occurring on  or after the  Cross-Over Date, the
Class A Principal Distribution Amount  will be distributed among the  Subclasses
of Class A Certificates pro rata in accordance with their respective outstanding
Class A Subclass Principal Balances.
 
    Amounts  distributed on  each Distribution  Date to  the holders  of Class A
Certificates in  reduction of  principal  balance will  be allocated  among  the
holders  of Class A  Certificates of each  Subclass pro rata  in accordance with
their respective Percentage Interests.
 
    Amounts distributed  on any  Distribution Date  to the  holders of  Class  M
Certificates  in  reduction of  principal balance  will  be allocated  among the
holders of Class  M Certificates pro  rata in accordance  with their  respective
Percentage Interests.
 
    The following tables set forth for each Distribution Date the targeted Class
A  Subclass Principal Balance and targeted  Component Principal Balance for each
Subclass of TAC Certificates and each  TAC Component, expressed as a  percentage
of  the  initial Class  A Subclass  Principal  Balance of  such Subclass  or the
initial Component Principal  Balance of  such TAC Component.  Because the  Class
A-12  Certificates consist of multiple TAC  Components, on any Distribution Date
the percentage associated with any TAC Component, as set forth in the  following
tables, may be different from the percentage represented by the then outstanding
Class  A  Subclass Principal  Balance of  the Class  A-12 Certificates  over the
initial Class A Subclass Principal Balance of the Class A-12 Certificates.
 
                                      S-37
<PAGE>
                  TARGETED CLASS A SUBCLASS PRINCIPAL BALANCES
                        AND COMPONENT PRINCIPAL BALANCES
         AS PERCENTAGES OF INITIAL CLASS A SUBCLASS PRINCIPAL BALANCES
                    AND INITIAL COMPONENT PRINCIPAL BALANCES
 
                             CLASS A-1 CERTIFICATES
<TABLE>
<CAPTION>
                                  PERCENTAGE OF
                                 INITIAL CLASS A
         DISTRIBUTION               SUBCLASS
             DATE               PRINCIPAL BALANCE
- ------------------------------  -----------------
<S>                             <C>
January 1993..................      99.092223%
February 1993.................      97.947781
March 1993....................      96.566946
April 1993....................      94.950284
May 1993......................      93.098657
June 1993.....................      91.013222
July 1993.....................      88.695431
August 1993...................      86.147035
September 1993................      83.370075
October 1993..................      80.366886
 
<CAPTION>
                                  PERCENTAGE OF
                                 INITIAL CLASS A
         DISTRIBUTION               SUBCLASS
             DATE               PRINCIPAL BALANCE
- ------------------------------  -----------------
<S>                             <C>
November 1993.................      77.140096%
December 1993.................      73.692615
January 1994..................      70.027641
February 1994.................      66.148716
March 1994....................      62.059759
April 1994....................      57.764779
May 1994......................      53.268051
June 1994.....................      48.574150
July 1994.....................      43.688094
<CAPTION>
                                  PERCENTAGE OF
                                 INITIAL CLASS A
         DISTRIBUTION               SUBCLASS
             DATE               PRINCIPAL BALANCE
- ------------------------------  -----------------
<S>                             <C>
August 1994...................      38.614953%
September 1994................      33.360530
October 1994..................      27.930265
November 1994.................      22.330301
December 1994.................      16.567358
January 1995..................      10.648207
February 1995.................       4.582923
March 1995
 and thereafter...............       0.000000
</TABLE>
 
                             CLASS A-2 CERTIFICATES
<TABLE>
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
Up to and including
February 1995...........................     100.000000%
March 1995..............................      98.194487
April 1995..............................      91.141583
May 1995................................      84.020305
June 1995...............................      76.971902
 
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
July 1995...............................      70.019358%
August 1995.............................      63.161403
September 1995..........................      56.396783
October 1995............................      49.724262
November 1995...........................      43.142617
December 1995...........................      36.650644
January 1996............................      30.247155
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
February 1996...........................      23.930977%
March 1996..............................      17.700952
April 1996..............................      11.555939
May 1996................................       5.494809
June 1996
 and thereafter.........................       0.000000
</TABLE>
 
                             CLASS A-3 CERTIFICATES
<TABLE>
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
Up to and including
May 1996................................     100.000000%
June 1996...............................      99.298756
July 1996...............................      90.747345
August 1996.............................      82.312809
 
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
September 1996..........................      73.993601%
October 1996............................      65.788192
November 1996...........................      57.695073
December 1996...........................      49.712756
January 1997............................      41.839773
February 1997...........................      34.074675
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
March 1997..............................      26.416033%
April 1997..............................      18.862434
May 1997................................      11.412488
June 1997...............................       4.064822
July 1997
 and thereafter.........................       0.000000
</TABLE>
 
                                      S-38
<PAGE>
                  TARGETED CLASS A SUBCLASS PRINCIPAL BALANCES
                        AND COMPONENT PRINCIPAL BALANCES
         AS PERCENTAGES OF INITIAL CLASS A SUBCLASS PRINCIPAL BALANCES
                    AND INITIAL COMPONENT PRINCIPAL BALANCES
 
       CLASS A-4 AND CLASS A-5 CERTIFICATES AND CLASS A-12A TAC COMPONENT
<TABLE>
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
                                              SUBCLASS
                                          PRINCIPAL BALANCE
              DISTRIBUTION                  OR COMPONENT
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
January 1993............................      99.638720%
February 1993...........................      99.183252
March 1993..............................      98.633703
April 1993..............................      97.990300
May 1993................................      97.253384
June 1993...............................      96.423417
July 1993...............................      95.500976
August 1993.............................      94.486758
September 1993..........................      93.381576
October 1993............................      92.186359
November 1993...........................      90.902152
December 1993...........................      89.530114
January 1994............................      88.071517
February 1994...........................      86.527772
March 1994..............................      84.900437
April 1994..............................      83.191109
May 1994................................      81.401489
June 1994...............................      79.533397
July 1994...............................      77.588831
 
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
                                              SUBCLASS
                                          PRINCIPAL BALANCE
              DISTRIBUTION                  OR COMPONENT
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
August 1994.............................      75.569808%
September 1994..........................      73.478638
October 1994............................      71.317486
November 1994...........................      69.088797
December 1994...........................      66.795244
January 1995............................      64.439524
February 1995...........................      62.025646
March 1995..............................      59.558387
April 1995..............................      57.045319
May 1995................................      54.507889
June 1995...............................      51.996425
July 1995...............................      49.519117
August 1995.............................      47.075513
September 1995..........................      44.665166
October 1995............................      42.287635
November 1995...........................      39.942485
December 1995...........................      37.629287
January 1996............................      35.347616
February 1996...........................      33.097057
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
                                              SUBCLASS
                                          PRINCIPAL BALANCE
              DISTRIBUTION                  OR COMPONENT
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
March 1996..............................      30.877195%
April 1996..............................      28.687623
May 1996................................      26.527942
June 1996...............................      24.397753
July 1996...............................      22.296667
August 1996.............................      20.224298
September 1996..........................      18.180264
October 1996............................      16.164191
November 1996...........................      14.175708
December 1996...........................      12.214449
January 1997............................      10.280053
February 1997...........................       8.372165
March 1997..............................       6.490432
April 1997..............................       4.634509
May 1997................................       2.804054
June 1997...............................       0.998729
July 1997
 and thereafter.........................       0.000000
</TABLE>
 
                      CLASS A-6 AND CLASS A-7 CERTIFICATES
<TABLE>
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
Up to and including
June 1997...............................     100.000000%
July 1997...............................      97.853763
August 1997.............................      93.032935
September 1997..........................      88.278390
October 1997............................      83.589249
November 1997...........................      78.964646
December 1997...........................      74.403725
January 1998............................      70.087806
 
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
February 1998...........................      65.832819%
March 1998..............................      61.637942
April 1998..............................      57.502368
May 1998................................      53.425297
June 1998...............................      49.405941
July 1998...............................      45.443524
August 1998.............................      41.537278
September 1998..........................      37.686447
October 1998............................      33.890283
November 1998...........................      30.148050
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
December 1998...........................      26.459020%
January 1999............................      22.879674
February 1999...........................      19.351457
March 1999..............................      15.873673
April 1999..............................      12.445639
May 1999................................       9.066678
June 1999...............................       5.736122
July 1999...............................       2.453315
August 1999
 and thereafter.........................       0.000000
</TABLE>
 
                                      S-39
<PAGE>
                  TARGETED CLASS A SUBCLASS PRINCIPAL BALANCES
                        AND COMPONENT PRINCIPAL BALANCES
         AS PERCENTAGES OF INITIAL CLASS A SUBCLASS PRINCIPAL BALANCES
                    AND INITIAL COMPONENT PRINCIPAL BALANCES
 
                             CLASS A-8 CERTIFICATES
<TABLE>
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
Up to and including
July 1999...............................     100.000000%
August 1999.............................      98.091508
September 1999..........................      90.311970
October 1999............................      82.644216
November 1999...........................      75.086724
 
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
December 1999...........................      67.637995%
January 2000............................      60.554929
February 2000...........................      53.573670
March 2000..............................      46.692817
April 2000..............................      39.910985
May 2000................................      33.226811
June 2000...............................      26.638949
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
July 2000...............................      20.146070%
August 2000.............................      13.746866
September 2000..........................       7.440043
October 2000............................       1.224328
November 2000
 and thereafter.........................       0.000000
</TABLE>
 
                     CLASS A-9 AND CLASS A-11 CERTIFICATES
<TABLE>
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
Up to and including
October 2000............................     100.000000%
November 2000...........................      97.811162
December 2000...........................      95.115155
January 2001............................      92.561522
February 2001...........................      90.044198
March 2001..............................      87.562682
April 2001..............................      85.116481
May 2001................................      82.705108
June 2001...............................      80.328080
July 2001...............................      77.984925
August 2001.............................      75.675175
September 2001..........................      73.398368
October 2001............................      71.154050
November 2001...........................      68.941771
December 2001...........................      66.761088
January 2002............................      64.701089
February 2002...........................      62.669441
March 2002..............................      60.665761
April 2002..............................      58.689674
 
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
May 2002................................      56.740811%
June 2002...............................      54.818804
July 2002...............................      52.923292
August 2002.............................      51.053921
September 2002..........................      49.210339
October 2002............................      47.392198
November 2002...........................      45.599156
December 2002...........................      43.830877
January 2003............................      42.087028
February 2003...........................      40.367278
March 2003..............................      38.671305
April 2003..............................      36.998789
May 2003................................      35.349412
June 2003...............................      33.722865
July 2003...............................      32.118840
August 2003.............................      30.537034
September 2003..........................      28.977146
October 2003............................      27.438883
November 2003...........................      25.921952
December 2003...........................      24.426067
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
January 2004............................      22.950943%
February 2004...........................      21.496301
March 2004..............................      20.061865
April 2004..............................      18.647362
May 2004................................      17.252524
June 2004...............................      15.877084
July 2004...............................      14.520782
August 2004.............................      13.183360
September 2004..........................      11.864562
October 2004............................      10.564136
November 2004...........................       9.281836
December 2004...........................       8.017416
January 2005............................       6.770635
February 2005...........................       5.541254
March 2005..............................       4.329039
April 2005..............................       3.133757
May 2005................................       1.955179
June 2005...............................       0.793080
July 2005
 and thereafter.........................       0.000000
</TABLE>
 
                                      S-40
<PAGE>
                  TARGETED CLASS A SUBCLASS PRINCIPAL BALANCES
                        AND COMPONENT PRINCIPAL BALANCES
         AS PERCENTAGES OF INITIAL CLASS A SUBCLASS PRINCIPAL BALANCES
                    AND INITIAL COMPONENT PRINCIPAL BALANCES
 
                            CLASS A-10 CERTIFICATES
<TABLE>
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
Up to and including
June 2005...............................     100.000000%
July 2005...............................      99.047729
August 2005.............................      95.997853
September 2005..........................      92.990680
October 2005............................      90.025632
November 2005...........................      87.102140
December 2005...........................      84.219640
January 2006............................      81.377578
February 2006...........................      78.575407
March 2006..............................      75.812585
April 2006..............................      73.088581
May 2006................................      70.402867
June 2006...............................      67.754926
July 2006...............................      65.144245
August 2006.............................      62.570318
 
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
September 2006..........................      60.032648%
October 2006............................      57.530742
November 2006...........................      55.064116
December 2006...........................      52.632291
January 2007............................      50.234794
February 2007...........................      47.871158
March 2007..............................      45.540926
April 2007..............................      43.243642
May 2007................................      40.978858
June 2007...............................      38.746135
July 2007...............................      36.545035
August 2007.............................      34.375128
September 2007..........................      32.235991
October 2007............................      30.127205
November 2007...........................      28.048356
December 2007...........................      25.999038
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
              DISTRIBUTION                    SUBCLASS
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
January 2008............................      23.978849%
February 2008...........................      21.987392
March 2008..............................      20.024275
April 2008..............................      18.089113
May 2008................................      16.181524
June 2008...............................      14.301133
July 2008...............................      12.447570
August 2008.............................      10.620467
September 2008..........................       8.819465
October 2008............................       7.044206
November 2008...........................       5.294341
December 2008...........................       3.569521
January 2009............................       1.869406
February 2009...........................       0.193657
March 2009
 and thereafter.........................       0.000000
</TABLE>
 
                           CLASS A-12B TAC COMPONENT
<TABLE>
<CAPTION>
                                            PERCENTAGE OF
              DISTRIBUTION                INITIAL COMPONENT
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
Up to and including
June 1997...............................     100.000000%
July 1997...............................      96.559943
August 1997.............................      88.832967
September 1997..........................      81.212230
October 1997............................      73.696325
 
<CAPTION>
                                            PERCENTAGE OF
              DISTRIBUTION                INITIAL COMPONENT
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
November 1997...........................      66.283864%
December 1997...........................      58.973475
January 1998............................      52.055782
February 1998...........................      45.235752
March 1998..............................      38.512071
April 1998..............................      31.883440
May 1998................................      25.348581
<CAPTION>
                                            PERCENTAGE OF
              DISTRIBUTION                INITIAL COMPONENT
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
June 1998...............................      18.906230%
July 1998...............................      12.555141
August 1998.............................       6.294086
September 1998..........................       0.121850
October 1998
 and thereafter.........................       0.000000
</TABLE>
 
             CLASS A-12C TAC COMPONENT AND CLASS A-13 CERTIFICATES
<TABLE>
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
                                              SUBCLASS
                                          PRINCIPAL BALANCE
              DISTRIBUTION                  OR COMPONENT
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
Up to and including
September 1998..........................     100.000000%
October 1998............................      95.267344
November 1998...........................      90.506583
December 1998...........................      85.813508
January 1999............................      81.259968
February 1999...........................      76.771472
March 1999..............................      72.347138
April 1999..............................      67.986092
 
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
                                              SUBCLASS
                                          PRINCIPAL BALANCE
              DISTRIBUTION                  OR COMPONENT
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
May 1999................................      63.687476%
June 1999...............................      59.450441
July 1999...............................      55.274149
August 1999.............................      51.157775
September 1999..........................      47.100504
October 1999............................      43.101531
November 1999...........................      39.160064
December 1999...........................      35.275320
January 2000............................      31.581280
February 2000...........................      27.940337
<CAPTION>
                                            PERCENTAGE OF
                                           INITIAL CLASS A
                                              SUBCLASS
                                          PRINCIPAL BALANCE
              DISTRIBUTION                  OR COMPONENT
                  DATE                    PRINCIPAL BALANCE
- ----------------------------------------  -----------------
<S>                                       <C>
March 2000..............................      24.351757%
April 2000..............................      20.814821
May 2000................................      17.328816
June 2000...............................      13.893041
July 2000...............................      10.506803
August 2000.............................       7.169418
September 2000..........................       3.880214
October 2000............................       0.638525
November 2000
 and thereafter.........................       0.000000
</TABLE>
 
                                      S-41
<PAGE>
  PRINCIPAL PAYMENT CHARACTERISTICS OF THE TAC CERTIFICATES, TAC COMPONENTS AND
   COMPANION CERTIFICATES
 
    The  percentages of the  initial Class A Subclass  Principal Balances of the
TAC Certificates  and  the  initial  Component Principal  Balances  of  the  TAC
Components  set forth in the tables  above were calculated using the assumptions
described in  the second  full paragraph  on  page S-67  herein. Based  on  such
assumptions,  the Class  A Subclass  Principal Balance  of each  Subclass of TAC
Certificates or  Component Principal  Balance  of each  TAC Component  would  be
reduced  to the percentage of its initial  Class A Subclass Principal Balance or
initial Component  Principal Balance  indicated  in the  tables above  for  each
Distribution  Date if prepayments on the Mortgage Loans occur at a CONSTANT rate
of 245%  SPA. However,  IT IS  HIGHLY UNLIKELY  THAT PRINCIPAL  PAYMENTS ON  THE
MORTGAGE  LOANS WILL OCCUR AT ANY CONSTANT  RATE OR THAT THE MORTGAGE LOANS WILL
PREPAY AT THE  SAME RATE.  In addition, even  if principal  prepayments were  to
occur  at a constant rate, there  may be differences between the characteristics
of the mortgage loans ultimately included  in the Trust Estate and the  Mortgage
Loans  which are expected to be  included, as described herein. Therefore, there
can be no assurance that the Class A Subclass Principal Balance of any  Subclass
of  TAC Certificates  or the Component  Principal Balance of  any TAC Component,
after the application of the distributions to be made on any Distribution  Date,
will  be equal  to the  applicable percentage  of the  initial Class  A Subclass
Principal Balance or initial  Component Principal Balance, as  the case may  be,
for such Distribution Date specified in the tables above.
 
    As  discussed  under  "Prepayment  and  Yield  Considerations"  herein,  the
weighted average  life of  a Subclass  of  Class A  Certificates refers  to  the
average  amount  of time  that will  elapse from  the date  of issuance  of such
Subclass until  each  dollar in  reduction  of  the principal  balance  of  such
Subclass is distributed to investors. The weighted average life of each Subclass
of  Class A Certificates  will be affected,  to varying degrees,  by the rate of
principal payments (including prepayments) of the Mortgage Loans, the timing  of
changes  in  such rate  of payment,  the priority  sequence of  distributions in
reduction of principal of the Class A Certificates and the timing of  reductions
of  the  principal balances  of  TAC Certificates  and  TAC Components  to their
respective targeted principal  balances. The  interaction of  these factors  may
have  different effects on the Subclasses of Class A Certificates, including the
TAC Certificates, and the  effects on any Subclass  may vary at different  times
during  the life  of such  Subclass. Further,  to the  extent that  the purchase
prices paid  by  investors for  the  Class  A Certificates,  including  the  TAC
Certificates,  represent  discounts  or  premiums  to  their  respective initial
principal  balances,  variability  in  the   weighted  average  lives  of   such
Certificates  could result in variability in the related yields to maturity. See
"Prepayment and Yield Considerations" herein.
 
    If prepayments of  the Mortgage Loans  occur at a  CONSTANT rate lower  than
approximately  245%  SPA,  the Class  A  Principal Distribution  Amount  on each
Distribution Date  may be  insufficient to  make distributions  in reduction  of
principal  balance of some or  all of the TAC  Certificates or TAC Components in
amounts that would reduce their principal balances to their respective  targeted
principal balances for such Distribution Date. The weighted average lives of the
Subclasses  of the TAC Certificates, including the Class A-12 Certificates which
are comprised of TAC  Components, may therefore be  extended, as illustrated  by
the tables beginning on page S-68.
 
    If  the  Class A  Principal Distribution  Amount  for any  Distribution Date
exceeds the sum of  the TAC Principal Amounts  for such Distribution Date,  such
excess  ("Excess Principal  Payments") will be  distributed in  reduction of the
principal balances  of  the  Companion  Certificates,  in  accordance  with  the
priorities  set forth above  under "--Allocation of Amount  To Be Distributed to
the Class A  and Class  M Certificates," until  the Class  A Subclass  Principal
Balances  of such Certificates have been  reduced to zero, prior to distribution
of any Excess Principal Payments to the Subclasses of TAC Certificates. This  is
intended  to decrease the likelihood that the TAC Certificates or TAC Components
will be reduced below their targeted principal balances on any Distribution Date
on which the Companion Certificates are still outstanding.
 
    The extent to which the targeted principal balances will be achieved and the
sensitivity of the TAC Certificates and TAC Components to principal  prepayments
on the Mortgage Loans will depend, in part,
 
                                      S-42
<PAGE>
upon  the  period  of  time  during  which  the  Companion  Certificates  remain
outstanding. After the Companion Certificates are no longer outstanding,  Excess
Principal  Payments will  be distributed  in reduction  of the  Class A Subclass
Principal  Balances  of  the  outstanding  Subclasses  of  TAC  Certificates  or
Component  Principal Balances of the TAC  Components in the priorities set forth
above under "--Allocation of Amount to be Distributed to the Class A and Class M
Certificates," without regard to their targeted principal balances.
 
    Because any  Excess Principal  Payments for  any Distribution  Date will  be
distributed  to  Certificateholders on  such Distribution  Date, the  ability to
distribute the  TAC Principal  Amounts  on any  Distribution  Date will  not  be
enhanced  by the  averaging of  high and low  principal prepayment  rates on the
Mortgage Loans over several Distribution Dates, as might be the case if any such
Excess Principal Payments were held for future applications and not  distributed
monthly.  There is no assurance that (i) distributions in reduction of the Class
A Subclass Principal Balance  of any Subclass of  TAC Certificates or  Component
Principal  Balance of any TAC Component (other than the Class A-1, Class A-4 and
Class A-5 Certificates  and the  Class A-12A  TAC Component)  will not  commence
significantly  earlier  than the  first Distribution  Dates  shown in  the above
tables relating to such Subclasses, (ii) distributions in reduction of the Class
A Subclass Principal Balance  of any Subclass of  TAC Certificates or  Component
Principal  Balance of any TAC Component (other than the Class A-1, Class A-4 and
Class A-5 Certificates  and the  Class A-12A  TAC Component)  will not  commence
significantly  later than the first Distribution Dates shown in the above tables
relating to such  Subclasses and TAC  Components or (iii)  the Class A  Subclass
Principal  Balance of  any Subclass of  TAC Certificates  or Component Principal
Balance of any TAC Component will  not be reduced to zero significantly  earlier
or  significantly  later than  the last  Distribution Dates  shown in  the above
tables.
 
ADDITIONAL RIGHTS OF THE CLASS A-R AND CLASS A-LR CERTIFICATEHOLDERS
 
    The Class A-R  and Class A-LR  Certificates will remain  outstanding for  as
long  as the Trust Estate shall exist, whether or not they are receiving current
distributions of principal or interest. The  holders of the Class A-R and  Class
A-LR  Certificates will  be entitled  to receive  the proceeds  of the remaining
assets of the Upper-Tier  REMIC and Lower-Tier REMIC,  respectively, if any,  on
the   final  Distribution  Date  for  the  Series  1992-47  Certificates,  after
distributions in  respect of  any  accrued but  unpaid  interest on  the  Series
1992-47  Certificates and after distributions  in reduction of principal balance
have reduced the principal balances of the Series 1992-47 Certificates to  zero.
It  is not anticipated that there will be  any assets remaining in the REMICs on
the final  Distribution Date  following  the distributions  of interest  and  in
reduction  of principal balance made on  the Series 1992-47 Certificates on such
date.
 
    In addition,  the Class  A-LR  Certificateholder will  be entitled  on  each
Distribution  Date to receive  any Pool Distribution  Amount remaining after all
distributions pursuant to the Pool Distribution Amount Allocation have been made
and any  Net Foreclosure  Profits after  the Servicer  has been  reimbursed  for
unpaid  Servicing  Fees. See  "Servicing of  the Mortgage  Loans--Fixed Retained
Yield, Servicing Compensation and Payment  of Expenses" in the Prospectus.  "Net
Foreclosure  Profits" means, with respect to  any Distribution Date, the excess,
if any, of (i) the aggregate profits  on Liquidated Loans in the related  period
with  respect  to which  net Liquidation  Proceeds  exceed the  unpaid principal
balance thereof plus accrued interest thereon at the Mortgage Interest Rate over
(ii) the aggregate  realized losses on  Liquidated Loans in  the related  period
with  respect  to  which  net  Liquidation Proceeds  are  less  than  the unpaid
principal balance thereof plus accrued interest thereon at the Mortgage Interest
Rate. It is not anticipated that there will be any such Net Foreclosure  Profits
or    such   undistributed   Pool   Distribution   Amounts.   The   Class   A-LR
Certificateholder will also be entitled to receive on each Distribution Date the
excess of amounts required to be held in the Retail Reserve Funds, as  described
under--"Interest" above.
 
                                      S-43
<PAGE>
PERIODIC ADVANCES
 
    If, on any Determination Date, payments of principal and interest due on any
Mortgage  Loan  in  the Trust  Estate  on the  related  Due Date  have  not been
received, the Servicer  will be obligated  to advance on  or before the  related
Distribution  Date for the benefit of holders of the Series 1992-47 Certificates
an amount in cash equal to all delinquent payments of principal and interest due
on each  Mortgage  Loan in  the  Trust Estate  (with  interest adjusted  to  the
applicable  Net Mortgage Interest Rate) not previously advanced, but only to the
extent that the Servicer  believes that such amounts  will be recoverable by  it
from liquidation proceeds or other recoveries in respect of the related Mortgage
Loan.
 
    The  Pooling and Servicing  Agreement provides that any  advance of the kind
described in the preceding  paragraph may be reimbursed  to the Servicer at  any
time from funds available in the Certificate Account to the extent that (i) such
funds  represent receipts on, or  liquidation, insurance, purchase or repurchase
proceeds in respect of, the Mortgage Loans to which the advance relates or  (ii)
the Servicer has determined in good faith that it will be unable to recover such
advance from funds of the type referred to in clause (i) above.
 
    In the event that, at some future date, Moody's should revise its assessment
of  the ability  of the Servicer  to make  Periodic Advances, and  so notify the
Trustee in  writing (the  date on  which such  notification is  received by  the
Servicer being referred to herein as the "Advance Reserve Fund Trigger Date"), a
reserve fund (the "Advance Reserve Fund") will be established by the Servicer in
accordance with the provisions of the Pooling and Servicing Agreement to provide
limited  support for  the Servicer's  obligation to  make Periodic  Advances, as
described above.  In the  event  that, with  respect  to any  Distribution  Date
occurring  after  the date  on which  the  Advance Reserve  Fund is  funded, the
Servicer fails to make any Periodic Advance  required to be made by it  pursuant
to  the Pooling and Servicing Agreement, the  Trustee will cause to be withdrawn
from the Advance Reserve Fund an advance in an amount equal to the least of  (i)
the  Periodic Advance  required to  be made by  the Servicer  which the Servicer
failed to make,  (ii) the  excess of  (A) the Class  A Optimal  Amount for  such
Distribution  Date  over (B)  the Pool  Distribution Amount  (determined without
regard to any advance from the  Advance Reserve Fund on such Distribution  Date)
and  (iii) an amount equal to the amount  then in the Advance Reserve Fund, less
any reinvestment income or gain to be released from the Advance Reserve Fund  as
described  in  the  following  paragraph (the  "Advance  Reserve  Fund Available
Advance Amount"). The Pooling and Servicing Agreement will provide that any such
advance made from  the Advance Reserve  Fund will be  reimbursed to the  Advance
Reserve  Fund if and  to the extent  that such reimbursement  would be permitted
under the Pooling and  Servicing Agreement if such  advance had been a  Periodic
Advance made by the Servicer. The Advance Reserve Fund, if established, will not
be a part of the Trust Estate.
 
    The  Advance  Reserve Fund,  if  required, will  be  established as  a trust
account pursuant to a depository  agreement (the "Depository Agreement") by  and
among  a  depository institution  (the "Advance  Reserve Fund  Depository"), the
Servicer and  the  Trustee  and  will  be  held  by  the  Advance  Reserve  Fund
Depository.  Following the Advance  Reserve Fund Trigger  Date, should such date
occur, the Advance Reserve Fund will be  funded by the deposit with the  Advance
Reserve  Fund  Depository  of  an amount  in  cash  equal to  (i)  0.50%  of the
outstanding principal balance of the Mortgage Loans as of the close of  business
on  the Advance Reserve Fund Trigger Date  or (ii) such lesser amount as Moody's
may specify  (the "Advance  Reserve Fund  Required Amount").  After the  Advance
Reserve  Fund Required Amount has been deposited in the Advance Reserve Fund, no
person will  have any  further  obligation to  deposit  amounts in  the  Advance
Reserve  Fund or  to maintain the  amounts in  the Advance Reserve  Fund at that
level even if at some future date amounts in the Advance Reserve Fund fall below
the Advance Reserve Fund  Required Amount as a  result of unreimbursed  advances
made  from the  Advance Reserve  Fund or  withdrawals permitted  by Moody's. The
amounts in the Advance Reserve Fund may be invested in investments that will not
cause the then  current ratings of  the Class  A Certificates to  be lowered  by
Moody's,  and reinvestment income or  gain will be released  to the Servicer (or
its designee) on each Distribution  Date free and clear  of any interest of  the
Trustee,  the Advance  Reserve Fund  Depository or  any other  person. After the
Class A Principal Balance has been reduced  to zero, any amounts in the  Advance
Reserve Fund will be released to the Servicer (or its designee).
 
                                      S-44
<PAGE>
    An  alternative method of  limited support for  the Servicer's obligation to
make Periodic Advances may be provided, if  such change does not cause the  then
current ratings of the Class A Certificates to be lowered by Moody's.
 
THE FINANCIAL GUARANTY INSURANCE POLICY
 
    The following summary of the provisions of the Policy does not purport to be
complete  and is qualified in its entirety by reference to the Policy, a copy of
which may be obtained from the Trustee upon request.
 
    Simultaneously  with  the  issuance  of  the  Series  1992-47  Certificates,
Financial  Security will deliver  the Policy to  the Trustee for  the benefit of
each holder of Class A-7 or Class A-9 Certificates. Under the Policy,  Financial
Security  unconditionally  and irrevocably  guarantees  to the  Trustee  for the
benefit of each  holder of  Class A-7  or Class  A-9 Certificates  the full  and
complete  payment of (i) the  Class A Subclass Interest  Accrual Amounts for the
Class A-7  and  Class  A-9  Certificates,  net  of  any  Non-Supported  Interest
Shortfalls  allocated  to the  Class A-7  and Class  A-9 Certificates,  (ii) any
losses of  principal  allocated to  the  Class  A-7 or  Class  A-9  Certificates
(clauses  (i) and (ii)  collectively, the "Guaranteed  Distributions") and (iii)
the amount of any distribution of principal or interest to any holder of a Class
A-7 or Class A-9 Certificate which distribution subsequently is avoided in whole
or in part as a preference payment under applicable law.
 
    If, on the  second Business Day  before any Distribution  Date, the  Trustee
determines  that funds expected to be in  the separate trust account or accounts
in the name of the Trustee (the "Certificate Account") on such Distribution Date
will be insufficient to  make the Guaranteed Distributions  on the Class A-7  or
Class  A-9 Certificates for  that Distribution Date, the  Trustee is required to
make a claim  under the  Policy in  the amount  of such  deficiency. Payment  of
claims  under the Policy will be made by Financial Security following Receipt by
Financial Security of the appropriate notice  for payment on the later to  occur
of  (a) 12:00  noon, New York  City time,  on the second  Business Day following
Receipt of such notice for  payment and (b) 12:00 noon,  New York City time,  on
the  date on which such Guaranteed Distribution is due on the Class A-7 or Class
A-9 Certificates.
 
    If  payment  of  any  amount  avoided  as  a  preference  under   applicable
bankruptcy, insolvency, receivership or similar law is required to be made under
the  Policy, Financial Security shall  cause such payment to  be made no earlier
than the first  to occur of  (a) the  fourth Business Day  following Receipt  by
Financial  Security from the Trustee  of (i) a certified  copy of the order (the
"Order") of the court or other governmental body which exercised jurisdiction to
the effect  that the  relevant Class  A-7 or  Class A-9  Certificateholders  are
required  to return principal or interest  distributed with respect to the Class
A-7 or  Class  A-9 Certificates  during  the term  of  the Policy  because  such
distributions were avoidable preferences under applicable bankruptcy law, (ii) a
certificate  of each relevant Class A-7  or Class A-9 Certificateholder that the
Order has been entered and  is not subject to any  stay and (iii) an  assignment
duly  executed and delivered by each relevant Certificateholder, in such form as
is reasonably required by Financial Security and provided to the relevant  Class
A-7 or Class A-9 Certificateholders by Financial Security, irrevocably assigning
to Financial Security all rights and claims of the Certificateholder relating to
or  arising  under  the  Class  A-7  or  Class  A-9  Certificates  held  by such
Certificateholder against  the  debtor which  made  such preference  payment  or
otherwise  with respect to such preference payment or (b) the date of Receipt by
Financial Security from  the Trustee of  the items referred  to in clauses  (i),
(ii)  and (iii)  above if,  at least four  Business Days  prior to  such date of
Receipt, Financial Security shall have Received written notice from the  Trustee
that such items were to be delivered on such date and such date was specified in
such  notice.  Such payment  shall be  disbursed  to the  receiver, conservator,
debtor-in-possession or trustee in bankruptcy named in the Order and not to  the
Trustee or any Class A-7 or Class A-9 Certificateholder directly (unless a Class
A-7  or  Class A-9  Certificateholder  has previously  paid  such amount  to the
receiver, conservator, debtor-in-possession  or trustee in  bankruptcy named  in
the  Order, in  which case such  payment shall  be disbursed to  the Trustee for
distribution to such Class A-7 or Class A-9 Certificateholder upon proof of such
payment reasonably satisfactory to Financial Security).
 
                                      S-45
<PAGE>
    The terms "Receipt" and "Received," with  respect to the Policy, shall  mean
actual  delivery to Financial Security and to Financial Security's fiscal agent,
if any, prior to  12:00 noon, New  York City time, on  a Business Day;  delivery
either  on a day that is  not a Business Day or  after 12:00 noon, New York City
time, shall be deemed to be Receipt on the next succeeding Business Day. If  any
notice  or certificate given  under the Policy  by the Trustee  is not in proper
form or is not properly completed, executed or delivered, it shall be deemed not
to have been Received, and Financial Security or its fiscal agent shall promptly
so advise the Trustee and the Trustee may submit an amended notice.
 
    Under the Policy, "Business Day" means any day other than (i) a Saturday  or
Sunday  or (ii) a day on which banking institutions in the City of New York, New
York or St.  Paul, Minnesota  are authorized or  obligated by  law or  executive
order to be closed.
 
    Financial  Security's obligations under the  Policy in respect of Guaranteed
Distributions shall be  discharged to the  extent funds are  transferred to  the
Trustee as provided in the Policy whether or not such funds are properly applied
by the Trustee.
 
    Financial  Security shall be  subrogated to the  rights of each  holder of a
Class A-7 or Class A-9 Certificate to receive distributions on the Class A-7 and
Class A-9 Certificates to  the extent of any  payment by the Financial  Security
under the Policy.
 
    Claims  under  the Policy  constitute  direct, unsecured  and unsubordinated
obligations of Financial Security  ranking not less that  pari passu with  other
unsecured  and unsubordinated  indebtedness of  Financial Security  for borrowed
money. Claims against  Financial Security  under the Policy  and claims  against
Financial  Security under each other  financial guaranty insurance policy issued
thereby constitute pari  passu claims  against the general  assets of  Financial
Security.  The terms of  the Policy cannot  be modified or  altered by any other
agreement or instrument, or by the  merger, consolidation or dissolution of  the
Seller.  The Policy may not be cancelled or  revoked prior to payment in full of
the Class A-7  and Class  A-9 Certificates.  The Policy  is not  covered by  the
property/casualty  insurance security  fund specified in  Article 76  of the New
York Insurance Law. The Policy is governed by the laws of the State of New York.
 
FINANCIAL SECURITY ASSURANCE INC.
 
    GENERAL.  Financial Security is a monoline insurance company incorporated on
March 16, 1984  under the  laws of  the State  of New  York. Financial  Security
received  its  New  York State  insurance  license and  commenced  operations on
September 23, 1985. Financial Security and its two wholly owned subsidiaries are
licensed to engage in  financial guaranty insurance business  in 49 states,  the
District of Columbia and the Commonwealth of Puerto Rico.
 
    Financial  Security  and its  subsidiaries  are engaged  exclusively  in the
business of  writing financial  guaranty insurance,  principally in  respect  of
securities  offered  in  domestic  and foreign  markets.  In  general, financial
guaranty insurance consists of the issuance of a guaranty of scheduled  payments
of  an  issuer's  securities--thereby  enhancing  the  credit  rating  of  those
securities--in consideration  for  the payment  of  a premium  to  the  insurer.
Financial   Security  and  its  subsidiaries  principally  insure  asset-backed,
collateralized and municipal securities.  Asset-backed securities are  generally
supported  by  residential  or  commercial  mortgage  loans,  consumer  or trade
receivables, securities or  other assets  having an ascertainable  cash flow  or
market  value. Collateralized  securities include public  utility first mortgage
bonds and sale/leaseback obligation bonds. Municipal securities consist  largely
of general obligation bonds, special revenue bonds and other special obligations
of  state and  local governments. Financial  Security insures  both newly issued
securities sold in  the primary market  and outstanding securities  sold in  the
secondary market that satisfy Financial Security's underwriting criteria.
 
    Financial  Security is approximately 91.6% owned by  U S WEST, Inc. and 8.4%
owned by The Tokio  Marine and Fire  Insurance Co., Ltd.  ("Tokio Marine"). U  S
WEST,  Inc.  operates  businesses involved  in  communications,  data solutions,
marketing services and  capital assets,  including the  provisions of  telephone
services  in 14 states in the western and midwestern United States. Tokio Marine
is a major
 
                                      S-46
<PAGE>
Japanese property and  casualty insurance company.  No shareholder of  Financial
Security  is obligated to pay any debt  of Financial Security or any claim under
any insurance policy  issued by  Financial Security  or to  make any  additional
contribution to the capital of Financial Security.
 
    The  principal executive  offices of Financial  Security are  located at 350
Park Avenue, New York, New York 10022, and its telephone number at that location
is  (212)  826-0100.  At  September   30,  1992,  Financial  Security  and   its
subsidiaries had 153 employees.
 
    REINSURANCE.     Pursuant  to  an  intercompany  agreement,  liabilities  on
financial guaranty  insurance written  by Financial  Security or  either of  its
subsidiaries  are reinsured  among such  companies on  an agreed-upon percentage
substantially proportional to  their respective capital,  surplus and  reserves,
subject  to  applicable  statutory  risk  limitations.  In  addition,  Financial
Security reinsures a portion of its  liabilities under certain of its  financial
guaranty  insurance  policies with  other reinsurers  under various  quota share
treaties and on a transaction-by-transaction basis. Such reinsurance is utilized
by Financial Security  as a risk  management device and  to comply with  certain
statutory  and rating agency requirements; it  does not alter or limit Financial
Security's obligations under any financial guaranty insurance policy.
 
    RATINGS  OF  CLAIMS-PAYING  ABILITY.    Financial  Security's  claims-paying
ability  is rated "Aaa"  by Moody's and  "AAA" by S&P,  Nippon Investors Service
Inc. and Australian Ratings Pty. Ltd. Such ratings reflect only the views of the
respective rating  agencies,  are  not  recommendations to  buy,  sell  or  hold
securities  and are subject to revision or withdrawal at any time by such rating
agencies.
 
    CAPITALIZATION.   The  following  table sets  forth  the  capitalization  of
Financial  Security and its wholly owned  subsidiaries on the basis of generally
accepted accounting principles as of September 30, 1992 (in thousands):
 
<TABLE>
<CAPTION>
                                           SEPTEMBER 30, 1992
                                           ------------------
                                              (UNAUDITED)
<S>                                        <C>
Unearned Premium Reserve.................       $213,838
Shareholder's Equity:
  Common Stock...........................         15,000
  Additional Paid-In Capital.............        475,171
  Retained Earnings......................        125,205
                                              ----------
Total Shareholder's Equity...............        615,376
                                              ----------
Total Unearned Premium Reserve and
 Shareholder's
 Equity..................................       $829,214
                                              ----------
                                              ----------
</TABLE>
 
    Copies of the statutory quarterly and annual statements filed with the State
of New  York  Insurance Department  by  Financial Security  are  available  upon
request to the State of New York Insurance Department.
 
    INSURANCE REGULATION.  Financial Security and its insurance subsidiaries are
licensed  and subject to regulation as  insurance corporations under the laws of
the State of New York, the  jurisdiction of organization of Financial  Security.
In  addition, Financial Security  and its insurance  subsidiaries are subject to
regulation by insurance laws  of the various other  jurisdictions in which  they
are  licensed  to do  business. As  a  financial guaranty  insurance corporation
licensed to do business in the State of New York, Financial Security is  subject
to  Article 69 of the  New York Insurance Law  which, among other things, limits
the business of each  such insurer to financial  guaranty insurance and  related
lines  (residual value, surety and credit insurance), requires that each insurer
maintain a minimum surplus to  policyholders, establishes contingency, loss  and
unearned premium reserve requirements for each such insurer, and limits the size
of  individual  transactions ("single  risks")  and the  volume  of transactions
("aggregate risks")  that  may  be  underwritten by  each  such  insurer.  Other
provisions of the New York Insurance Law,
 
                                      S-47
<PAGE>
applicable to non-life insurance companies such as Financial Security, regulate,
among  other things,  permitted investments, payment  of dividends, transactions
with affiliates, mergers,  consolidations, acquisitions or  sales of assets  and
incurrence of liability for borrowings.
 
RESTRICTIONS ON TRANSFER OF THE CLASS A-R, CLASS A-LR AND CLASS M CERTIFICATES
 
    The  Class A-R and Class A-LR Certificates  will be subject to the following
restrictions on transfer,  and the Class  A-R and Class  A-LR Certificates  will
contain a legend describing such restrictions.
 
    The  Technical  and  Miscellaneous Revenue  Act  of 1988  amended  the REMIC
provisions of the Code  to impose a  tax on transfers  of residual interests  to
Disqualified  Organizations (as defined  in the Prospectus).  These changes will
apply to transferors  of the  Class A-R  or Class  A-LR Certificate  as well  as
holders  of  the  Class A-R  or  Class  A-LR Certificate  that  are Pass-Through
Entities (as defined  in the  Prospectus). The Pooling  and Servicing  Agreement
will  provide that no  legal or beneficial  interest in either  the Class A-R or
Class A-LR Certificate may be  transferred to or registered  in the name of  any
person unless (i) the proposed purchaser provides to the Trustee an affidavit to
the  effect  that, among  other  items, such  transferee  is not  a Disqualified
Organization, is not purchasing such Class  A-R or Class A-LR Certificate as  an
agent  for a  Disqualified Organization  (I.E., as  a broker,  nominee, or other
middleman thereof) and  is not  an entity  (a "Book-Entry  Nominee") that  holds
REMIC  residual securities as nominee to facilitate the clearance and settlement
of  such  securities  through  electronic  book-entry  changes  in  accounts  of
participating  organizations and  (ii) the transferor  states in  writing to the
Trustee that it has no actual  knowledge that such affidavit is false.  Further,
such  affidavit requires  the transferee to  affirm that it  understands that it
must take into account  the taxable income  relating to the  Class A-R or  Class
A-LR  Certificate,  that  it  has  no  intention  to  impede  the  assessment or
collection of any federal,  state or local income  taxes legally required to  be
paid  with respect to the  Class A-R or Class A-LR  Certificate and that it will
not transfer the Class  A-R or Class  A-LR Certificate to  any person or  entity
that  it has  reason to believe  has the  intention to impede  the assessment or
collection of such taxes.
 
    In addition, the Class A-R and Class A-LR Certificates may not be  purchased
by  or transferred to  any person that is  not a "U.S.  Person," unless (i) such
person holds the  Class A-R  or Class A-LR  Certificate in  connection with  the
conduct  of  a trade  or business  within  the United  States and  furnishes the
transferor and the Trustee with an effective Internal Revenue Service Form  4224
or  (ii)  the transferee  delivers to  both  the transferor  and the  Trustee an
opinion of a nationally recognized tax counsel to the effect that such  transfer
is  in  accordance  with  the  requirements  of  the  Code  and  the regulations
promulgated thereunder and  that such transfer  of the Class  A-R or Class  A-LR
Certificate  will not be  disregarded for federal income  tax purposes. The term
"U.S. Person" means a citizen or  resident of the United States, a  corporation,
partnership  or other entity  created or organized  in or under  the laws of the
United States or any political subdivision  thereof, or an estate or trust  that
is subject to U.S. federal income tax regardless of the source of its income.
 
    The  Pooling  and Servicing  Agreement will  provide  that any  attempted or
purported transfer in violation of these transfer restrictions will be null  and
void  and will  vest no  rights in any  purported transferee.  Any transferor or
agent to whom the Trustee provides information as to any applicable tax  imposed
on  such transferor or  agent may be required  to bear the  cost of computing or
providing such  information.  See  "Certain Federal  Income  Tax  Consequences--
Federal  Income Tax  Consequences for  REMIC Certificates--Taxation  of Residual
Certificates--Tax-Related Restrictions on Transfer of the Residual Certificates"
in the Prospectus.
 
    Neither the Class  A-R Certificate  nor the  Class A-LR  Certificate may  be
purchased  by or transferred to an ERISA  Plan. Because the Class M Certificates
are subordinated to the Class A  Certificates, the Class M Certificates may  not
be  purchased by or transferred to an ERISA  Plan except upon the delivery of an
opinion of counsel as described herein under "ERISA Considerations." See  "ERISA
Considerations" herein and in the Prospectus.
 
                                      S-48
<PAGE>
REPORTS
 
    In  addition to the applicable information  specified in the Prospectus, the
Servicer will include in the statement delivered to holders of Class A and Class
M Certificates with respect to each Distribution Date the following information:
(i) the  amount  of such  distribution  allocable  to interest,  the  amount  of
interest  currently distributable on the Class  A Certificates allocated to each
Subclass and  to  the  Class  M Certificates,  any  Class  A  Subclass  Interest
Shortfall  Amount arising with respect to each  Subclass or any Class M Interest
Shortfall Amount  on  such  Distribution  Date, any  remaining  unpaid  Class  A
Subclass  Interest  Shortfall  Amount  with respect  to  each  Subclass,  or any
remaining unpaid Class M Interest Shortfall Amount, after giving effect to  such
distribution and any Non-Supported Interest Shortfall or the interest portion of
Realized  Losses  allocable  to such  Subclass  or  Class with  respect  to such
Distribution Date, (ii) the amount of such distribution allocable to  principal,
(iii)  the Class A Principal Balance, the Class M Principal Balance, the Class A
Subclass Principal Balance of each Subclass of Class A Certificates after giving
effect to the  distribution of principal  and the allocation  of Excess  Special
Hazard  Losses, Excess Fraud  Losses and Excess Bankruptcy  Losses, if any, (iv)
the Adjusted  Pool  Amount and  the  Pool  Scheduled Principal  Balance  of  the
Mortgage  Loans for such Distribution Date, (v) the Class A Percentage and Class
M Percentage for  the following Distribution  Date, and (vi)  the amount of  the
remaining  Special Hazard Loss Amount, the  Fraud Loss Amount and the Bankruptcy
Loss Amount as of the close of business on such Distribution Date. The statement
delivered to the holders of the Class A-4, Class A-5, Class A-14 and Class  A-15
Certificates will also include the applicable Pass-Through Rates with respect to
such  Distribution Date.  The statement delivered  to holders of  the Class A-16
Certificates will also include the Class  A-16 Notional Amount and the  weighted
average  Net Mortgage  Interest Rate  of the  Mortgage Loans  applicable to such
Distribution Date minus  8.00%. The  statement delivered  to the  holder of  the
Class  A-LR Certificate  will also include  the Class A-LR  Notional Amount. See
"Servicing  of  the  Mortgage  Loans--Reports  to  Certificateholders"  in   the
Prospectus.
 
    Copies  of the foregoing  reports are available upon  written request to the
Trustee  at  the  Corporate  Trust  Office.  See  "The  Pooling  and   Servicing
Agreement--Trustee" herein.
 
SUBORDINATION OF CLASS M AND CLASS B CERTIFICATES
 
    The   rights  of  the  holders  of  the  Class  M  Certificates  to  receive
distributions with respect  to the Mortgage  Loans in the  Trust Estate will  be
subordinated  to such  rights of  the holders  of the  Class A  Certificates and
Financial Security and the rights of the holders of the Class B Certificates  to
receive  distributions with  respect to the  Mortgage Loans in  the Trust Estate
will be subordinated to such  rights of the holders of  the Class A and Class  M
Certificates,  all to the extent described below. This subordination is intended
to enhance  the likelihood  of timely  receipt by  the holders  of the  Class  A
Certificates  (to the  extent of the  subordination of  the Class M  and Class B
Certificates) and the holders of the Class M Certificates (to the extent of  the
subordination of the Class B Certificates) of the full amount of their scheduled
monthly  payments of  interest and  principal and to  afford the  holders of the
Class A Certificates  (to the extent  of the  subordination of the  Class M  and
Class B Certificates) and the holders of the Class M Certificates (to the extent
of  the subordination of  the Class B  Certificates) protection against Realized
Losses, as more  fully described  below. If  Realized Losses  exceed the  credit
support  provided through subordination  to the Class  A Certificates, Financial
Security and the Class M Certificates or if Excess Special Hazard Losses, Excess
Fraud Losses or Excess Bankruptcy Losses occur, all or a portion of such  losses
will be borne by the Class A and Class M Certificates.
 
    The protection afforded to the holders of Class A Certificates and Financial
Security  by  means of  the subordination  feature will  be accomplished  by the
preferential right of such holders to  receive, prior to any distribution  being
made  on a Distribution Date in respect of the Class M and Class B Certificates,
the amounts of principal and interest due the Class A Certificateholders on each
Distribution Date out of the Pool Distribution Amount with respect to such  date
and,  if necessary, by the right of such holders to receive future distributions
on the Mortgage Loans that would otherwise  have been payable to the holders  of
Class M and Class B Certificates. The application of this subordination to cover
Realized
 
                                      S-49
<PAGE>
Losses  experienced in periods prior to the periods in which a Subclass of Class
A Certificates is entitled  to distributions in  reduction of principal  balance
will decrease the protection provided by the subordination to any such Subclass.
 
    The  protection afforded to the holders of  Class M Certificates by means of
the subordination feature will be accomplished by the preferential right of such
holders to receive, prior to any distribution being made on a Distribution  Date
in  respect of the Class  B Certificates, the amounts  of principal and interest
due the  Class M  Certificateholders on  each Distribution  Date from  the  Pool
Distribution  Amount with respect  to such date (after  all required payments on
the Class  A Certificates  and to  Financial Security  have been  made) and,  if
necessary,  by the right of such holders  to receive future distributions on the
Mortgage Loans that  would otherwise  have been payable  to the  holders of  the
Class B Certificates.
 
    The Class B Certificates will be entitled, on each Distribution Date, to the
remaining  portion, if  any, of the  applicable Pool  Distribution Amount, after
payment of the Class A  Optimal Amount and the Class  M Optimal Amount for  such
date. Amounts so distributed to Class B Certificateholders will not be available
to  cover delinquencies or Realized Losses in respect of subsequent Distribution
Dates.
 
  ALLOCATION OF LOSSES
 
    Realized Losses  (other  than Excess  Special  Hazard Losses,  Excess  Fraud
Losses  or Excess Bankruptcy Losses) will not be allocated to the holders of the
Class A Certificates until the date on which the amount of principal payments on
the Mortgage Loans  to which the  holders of the  Subordinated Certificates  are
entitled has been reduced to zero as a result of the allocation of losses to the
Subordinated  Certificates, I.E., the date  on which the Subordinated Percentage
has been  reduced to  zero (the  "Cross-Over Date").  Prior to  such time,  such
Realized  Losses will be allocated  first to the Class  B Certificates until the
Class B Principal  Balance has been  reduced to zero,  and then to  the Class  M
Certificates until the Class M Principal Balance has been reduced to zero.
 
    The  allocation of the  principal portion of  a Realized Loss  (other than a
Debt Service Reduction, Excess Special Hazard Loss, Excess Fraud Loss or  Excess
Bankruptcy  Loss)  will  be effected  through  the adjustment  of  the principal
balance of the  most subordinate  Class then-outstanding  in such  amount as  is
necessary to cause the sum of the Class A Subclass Principal Balances, the Class
M Principal Balance and the Class B Principal Balance to equal the Adjusted Pool
Amount.
 
    Allocations  to the Class M Certificates or  Class B Certificates of (i) the
principal portion  of Debt  Service  Reductions, (ii)  the interest  portion  of
Realized  Losses (other than  Excess Special Hazard  Losses, Excess Fraud Losses
and Excess  Bankruptcy Losses),  (iii) any  interest shortfalls  resulting  from
delinquencies  for which  the Servicer  does not  advance and  (iv) any interest
shortfalls resulting  from the  timing of  partial principal  prepayments,  will
result   from   the   priority   of  distributions   first   to   the   Class  A
Certificateholders and  then  to the  Class  M Certificateholders  of  the  Pool
Distribution Amount as described above under "--Distributions."
 
    The  principal  portion  of any  Realized  Loss  occurring on  or  after the
Cross-Over Date will be  allocated among the outstanding  Subclasses of Class  A
Certificates pro rata in accordance with their then outstanding Class A Subclass
Principal Balances and the interest portion of any Realized Loss occurring on or
after  the Cross-Over Date will be allocated among the outstanding Subclasses of
Class A Certificates pro rata in accordance with their Class A Subclass Interest
Accrual Amounts. Any such losses will be allocated among the outstanding Class A
Certificates within each Subclass pro  rata in accordance with their  respective
Percentage Interests.
 
    Solely  for the purpose  of allocating the interest  portion of any Realized
Loss, including any Excess Special Hazard Losses, Excess Fraud Losses and Excess
Bankruptcy Losses, to the Class A Certificates as described herein, the  Premium
Payment  will be  treated as  though it represented  the interest  accrued on an
additional Subclass of  Class A Certificates.  Accordingly, the Premium  Payment
will  be reduced by its pro rata portion of any such loss allocated to the Class
A Certificates.
 
                                      S-50
<PAGE>
    Any Excess Special Hazard Losses,  Excess Fraud Losses or Excess  Bankruptcy
Losses  will be allocated  on a pro  rata basis among  the Class A,  Class M and
Class B Certificates (any such losses  so allocated to the Class A  Certificates
will  be allocated among the outstanding  Subclasses of Class A Certificates pro
rata in  accordance  with their  then  outstanding Class  A  Subclass  Principal
Balances and their Class A Subclass Interest Accrual Amounts with respect to the
interest  portion of such losses, and among the outstanding Class A Certificates
within each Subclass  pro rata  in accordance with  their respective  Percentage
Interests).  An allocation  of a loss  on a "pro  rata basis" among  two or more
Classes of Certificates means  an allocation on  a pro rata  basis to each  such
Class  of Certificates on the basis of their then outstanding principal balances
in the case of the principal portion of a loss or based on the accrued  interest
thereon in the case of an interest portion of a loss.
 
    Any  principal losses allocated to the  Class A-7 or Class A-9 Certificates,
including the  principal portion  of any  Excess Special  Hazard Losses,  Excess
Fraud Losses and Excess Bankruptcy Losses, will be covered by the Policy.
 
    The  interest portion of  Excess Special Hazard  Losses, Excess Fraud Losses
and Excess Bankruptcy Losses will be allocated by reducing the applicable  Class
B  Interest Accrual Amount, Class M Interest  Accrual Amount or Class A Interest
Accrual Amount.  Any  such  loss  allocated  to  the  Class  A-7  or  Class  A-9
Certificates will be covered by the Policy.
 
    As  described above, the Pool Distribution  Amount for any Distribution Date
will include  current  receipts  (other than  certain  unscheduled  payments  in
respect  of principal) from  the Mortgage Loans otherwise  payable to holders of
the Class M and  Class B Certificates.  If the Pool  Distribution Amount is  not
sufficient  to cover the amount of principal payable to the holders of the Class
A Certificates on a particular Distribution Date (other than any portion thereof
representing the  difference between  the Class  A Percentage  of the  Scheduled
Principal  Balances of Liquidated Loans and the Class A Prepayment Percentage of
such amounts), then the percentage of  principal payments on the Mortgage  Loans
to  which the holders  of the Class  A Certificates will  be entitled (I.E., the
Class  A  Percentage)  on  and  after   the  next  Distribution  Date  will   be
proportionately   increased,  thereby  reducing,  as   a  relative  matter,  the
respective interest of the Class M  and Class B Certificates in future  payments
of  principal on the Mortgage Loans in  the Trust Estate. Such a shortfall could
occur, for example, if  a considerable number of  Mortgage Loans were to  become
Liquidated Loans in a particular month.
 
    Special  Hazard Losses will be allocated solely to the Class B Certificates,
or following the reduction of the Class  B Principal Balance to zero, solely  to
the Class M Certificates, but only prior to the Special Hazard Termination Date.
The  "Special Hazard Termination Date" will be  the date on which Special Hazard
Losses exceed the  Special Hazard Loss  Amount (or, if  earlier, the  Cross-Over
Date).  Upon initial issuance  of the Series  1992-47 Certificates, the "Special
Hazard Loss Amount" with  respect thereto will be  equal to approximately  1.17%
(approximately  $3,220,303) of the  Cut-Off Date Aggregate  Principal Balance of
the Mortgage Loans. As of any Distribution Date, the Special Hazard Loss  Amount
will  equal  the initial  Special Hazard  Loss Amount  less the  sum of  (A) any
Special Hazard Losses allocated  solely to the Class  B or Class M  Certificates
and  (B) the Adjustment  Amount. The "Adjustment Amount"  on each anniversary of
the Cut-Off Date  will be  equal to  the amount, if  any, by  which the  Special
Hazard  Amount, without giving effect to  the deduction of the Adjustment Amount
for such anniversary,  exceeds the  greater of (i)  1.00% (or,  if greater  than
1.00%,  the highest  percentage of  Mortgage Loans  by principal  balance in any
California zip code) times the aggregate  principal balance of all the  Mortgage
Loans  on such anniversary  and (ii) twice  the principal balance  of the single
Mortgage Loan having  the largest  principal balance. Special  Hazard Losses  in
excess of the Special Hazard Loss Amount are "Excess Special Hazard Losses".
 
    Fraud  Losses  will be  allocated  solely to  the  Class B  Certificates, or
following the reduction of the Class B Principal Balance to zero, solely to  the
Class M Certificates, but only prior to the Fraud Coverage Termination Date. The
"Fraud  Coverage Termination Date" will be the date on which Fraud Losses exceed
the Fraud  Loss Amount  (or,  if earlier,  the  Cross-Over Date).  Upon  initial
issuance  of  the  Series 1992-47  Certificates,  the "Fraud  Loss  Amount" with
respect thereto will be equal to approximately
 
                                      S-51
<PAGE>
2.00% (approximately $5,504,791) of the Cut-Off Date Aggregate Principal Balance
of the Mortgage  Loans. On  each Distribution  Date thereafter,  the Fraud  Loss
Amount  will equal  (X) prior to  the first  anniversary of the  Cut-Off Date an
amount equal to  the initial  Fraud Loss Amount  minus the  aggregate amount  of
Fraud  Losses allocated solely to the Class B  or the Class M Certificates up to
the related Determination Date, and (Y) from the first through fifth anniversary
of the Cut-Off Date,  an amount equal to  (1) the lesser of  (a) the Fraud  Loss
Amount  as of the most  recent anniversary of the Cut-Off  Date and (b) 1.00% of
the aggregate principal  balance of all  of the  Mortgage Loans as  of the  most
recent anniversary of the Cut-Off Date minus (2) the aggregate amounts allocated
solely  to the Class B or the Class  M Certificates with respect to Fraud Losses
since the  most  recent  anniversary of  the  Cut-Off  Date up  to  the  related
Determination  Date. After the fifth anniversary  of the Cut-Off Date, the Fraud
Loss Amount will be zero and thereafter any Fraud Losses will be shared pro rata
among the Class A, Class M and  Class B Certificates. Fraud Losses in excess  of
the Fraud Loss Amount are "Excess Fraud Losses."
 
    Bankruptcy  Losses will be allocated solely  to the Class B Certificates, or
following the reduction of the Class B Principal Balance to zero, solely to  the
Class  M Certificates,  but only  prior to  the Bankruptcy  Coverage Termination
Date. The  "Bankruptcy Coverage  Termination Date"  will be  the date  on  which
Bankruptcy  Losses  exceed  the  Bankruptcy Loss  Amount  (or,  if  earlier, the
Cross-Over Date). Upon initial issuance of the Series 1992-47 Certificates,  the
"Bankruptcy  Loss Amount"  with respect thereto  will be  equal to approximately
0.22% (approximately $601,293) of the  Cut-Off Date Aggregate Principal  Balance
of  the  Mortgage  Loans.  As  of  any  Distribution  Date  prior  to  the first
anniversary of  the Cut-Off  Date, the  Bankruptcy Loss  Amount will  equal  the
initial  Bankruptcy Loss Amount minus the  aggregate amount of Bankruptcy Losses
allocated solely to  the Class  B and  Class M  Certificates up  to the  related
Determination  Date.  As  of  any  Distribution  Date  on  or  after  the  first
anniversary of  the Cut-Off  Date, the  Bankruptcy Loss  Amount will  equal  the
excess,  if any, of (1) the  lesser of (a) the Bankruptcy  Loss Amount as of the
business day next preceding the most recent anniversary of the Cut-Off Date  and
(b)  an amount  calculated pursuant  to the terms  of the  Pooling and Servicing
Agreement, which  amount as  calculated  will provide  for  a reduction  in  the
Bankruptcy  Loss  Amount, over  (2) the  aggregate  amount of  Bankruptcy Losses
allocated solely to the Class B Certificates or Class M Certificates since  such
anniversary.  The  Bankruptcy  Loss  Amount  and  the  related  coverage  levels
described above  may  be reduced  or  modified upon  written  confirmation  from
Moody's  and S&P that  such reduction or modification  will not adversely affect
the then-current ratings  assigned to the  Class A and  Class M Certificates  by
Moody's  and  S&P. Such  a reduction  or modification  may adversely  affect the
coverage provided by subordination with respect to Bankruptcy Losses. Bankruptcy
Losses in excess of the Bankruptcy Loss Amount are "Excess Bankruptcy Losses."
 
    Notwithstanding the foregoing, the provisions relating to subordination will
not be applicable in connection with a  Bankruptcy Loss so long as the  Servicer
has notified the Trustee in writing that the Servicer is diligently pursuing any
remedies  that may exist  in connection with  the representations and warranties
made regarding the related Mortgage Loan and when (A) the related Mortgage  Loan
is  not in default with regard to  the payments due thereunder or (B) delinquent
payments of  principal and  interest under  the related  Mortgage Loan  and  any
premiums  on any  applicable Standard  Hazard Insurance  Policy and  any related
escrow payments in respect of such Mortgage Loan are being advanced on a current
basis by the Servicer, in either case without giving effect to any Debt  Service
Reduction.
 
    Since  the  initial principal  balance of  the Class  B Certificates  in the
aggregate will  be approximately  $17,891,557, the  individual risk  of  Special
Hazard  Losses, Fraud Losses and Bankruptcy Losses  will be borne by the Class B
Certificates to  a lesser  extent (I.E.,  only  up to  the Special  Hazard  Loss
Amount,  Fraud Loss  Amount and Bankruptcy  Loss Amount,  respectively) than the
risk of other Realized Losses, which they will bear to the full extent of  their
initial  principal  balance.  See  "The  Trust  Estates--Mortgage  Loans--Repre-
sentations and Warranties" and "--Insurance Policies," "Certain Legal Aspects of
the Mortgage Loans--Environmental Considerations" and "Servicing of the Mortgage
Loans--Enforcement of Due-on-Sale Clauses;  Realization Upon Defaulted  Mortgage
Loans" in the Prospectus.
 
                                      S-52
<PAGE>
                      DESCRIPTION OF THE MORTGAGE LOANS(1)
 
    The Mortgage Loans to be included in the Trust Estate will be fixed interest
rate,   conventional,  monthly  pay,  fully  amortizing,  one-  to  four-family,
residential first mortgage  loans originated  or acquired  by PHMC  for its  own
account  or for  the account  of an  affiliate having  original terms  to stated
maturity of approximately 30  years, which may include  loans secured by  shares
("Co-op   Shares")   issued   by   private   non-profit   housing   corporations
("Cooperatives") and  the related  proprietary  leases or  occupancy  agreements
granting  exclusive  rights  to  occupy specified  units  in  such Cooperatives'
buildings. The Mortgage Loans are expected to include 1,124 promissory notes, to
have an aggregate unpaid principal balance as of the Cut-Off Date (the  "Cut-Off
Date  Aggregate Principal Balance") of approximately $275,239,557, to be secured
by first liens (the "Mortgages")  on one- to four-family residential  properties
or  Co-op  Shares  (the  "Mortgaged  Properties")  and  to  have  the additional
characteristics described below and in the Prospectus.
 
    No Mortgage Loan is a Buy-Down Loan. See "The Trust Estates--Mortgage Loans"
in the Prospectus. No Mortgage Loan was originated pursuant to PHMC's relocation
mortgage  program.  See   "PHMC--Mortgage  Loan  Production   Sources"  in   the
Prospectus.
 
    Each  of the Mortgage Loans is subject to a due-on-sale clause. See "Certain
Legal Aspects of  the Mortgage Loans--'Due-on-Sale'  Clauses" and "Servicing  of
the   Mortgage  Loans--Enforcement  of  Due-on-Sale  Clauses;  Realization  Upon
Defaulted Mortgage Loans" in the Prospectus.
 
    As of the Cut-Off  Date, each Mortgage  Loan is expected  to have an  unpaid
principal  balance  of not  less than  $24,984  or more  than $979,437,  and the
average unpaid  principal  balance of  the  Mortgage  Loans is  expected  to  be
approximately  $244,875. The latest stated maturity  date of any of the Mortgage
Loans is expected to be December 1, 2022; however, the actual date on which  any
Mortgage  Loan is paid in full may be  earlier than the stated maturity date due
to unscheduled  payments of  principal.  Based on  information supplied  by  the
mortgagors  in connection with their loan  applications at origination, 1,058 of
the Mortgaged Properties, which secure approximately 95.48% of the Cut-Off  Date
Aggregate  Principal Balance  of the  Mortgage Loans,  are expected  to be owner
occupied primary residences  and 66  of the Mortgaged  Properties, which  secure
approximately  4.52%  of the  Cut-Off Date  Aggregate  Principal Balance  of the
Mortgage Loans,  are expected  to be  non-owner occupied  or second  homes.  See
"PHMC--Mortgage Loan Underwriting" in the Prospectus.
 
    It  is expected that  six of the  Mortgage Loans, representing approximately
0.53% of the  Cut-Off Date Aggregate  Principal Balance of  the Mortgage  Loans,
will   be  Subsidy  Loans.   See  "The  Trust   Estates--  Mortgage  Loans"  and
"PHMC--Mortgage Loan Underwriting" in the Prospectus.
 
- ------------
(1) The descriptions in this Prospectus Supplement  of the Trust Estate and  the
    properties  securing the Mortgage  Loans to be included  in the Trust Estate
    are based upon  the expected characteristics  of the Mortgage  Loans at  the
    close  of  business  on the  Cut-Off  Date,  as adjusted  for  the scheduled
    principal  payments  due  on  or  before  such  date.  Notwithstanding   the
    foregoing,  any of such Mortgage Loans may be excluded from the Trust Estate
    (i) as a result  of principal prepayment  thereof in full or  (ii) if, as  a
    result  of  delinquencies  or  otherwise, the  Seller  otherwise  deems such
    exclusion necessary or desirable. In either event, other Mortgage Loans  may
    be  included in the  Trust Estate. The Seller  believes that the information
    set forth  herein  with  respect  to the  expected  characteristics  of  the
    Mortgage  Loans on the Cut-Off Date is representative of the characteristics
    as of the Cut-Off  Date of the  Mortgage Loans to be  included in the  Trust
    Estate as it will be constituted at the time the Series 1992-47 Certificates
    are issued, although the Cut-Off Date Aggregate Principal Balance, the range
    of Mortgage Interest Rates and maturities, and certain other characteristics
    of the Mortgage Loans in the Trust Estate may vary. In the event that any of
    the  characteristics  as of  the  Cut-Off Date  of  the Mortgage  Loans that
    constitute the Trust Estate  on the date of  initial issuance of the  Series
    1992-47  Certificates vary  materially from those  described herein, revised
    information  regarding  the  Mortgage  Loans  will  be  made  available   to
    purchasers of the Class A Certificates, on or before such issuance date, and
    a  Current Report on Form 8-K containing such information will be filed with
    the Securities and Exchange Commission within 15 days following such date.
 
                                      S-53
<PAGE>
    Set  forth  below   is  a   description  of   certain  additional   expected
characteristics  of  the  Mortgage  Loans  as of  the  Cut-Off  Date  (except as
otherwise indicated).
 
                            MORTGAGE INTEREST RATES
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE     CUT-OFF DATE
                                          NUMBER OF       UNPAID         AGGREGATE
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
MORTGAGE INTEREST RATES                     LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  -------------
<S>                                       <C>         <C>              <C>
 8.250%.................................       83     $ 19,684,022.17       7.15%
 8.375%.................................      199       50,827,428.79      18.47
 8.500%.................................      399      102,265,982.73      37.17
 8.625%.................................      188       46,943,415.75      17.06
 8.750%.................................      112       27,585,563.81      10.02
 8.875%.................................       69       14,080,462.56       5.12
 9.000%.................................       28        5,815,360.87       2.11
 9.125%.................................       16        3,286,763.97       1.19
 9.250%.................................       12        1,794,143.35       0.65
 9.375%.................................       10        1,934,682.53       0.70
 9.500%.................................        3          450,332.53       0.16
 9.625%.................................        2          200,196.24       0.07
 9.750%.................................        1           89,786.61       0.03
10.125%.................................        1           79,174.61       0.03
10.250%.................................        1          202,240.92       0.07
                                          ---------   ---------------  -------------
      Total.............................    1,124     $275,239,557.44     100.00%
                                          ---------   ---------------  -------------
                                          ---------   ---------------  -------------
</TABLE>
 
As of  the Cut-Off  Date, the  weighted average  Mortgage Interest  Rate of  the
Mortgage  Loans  is  expected to  be  approximately  8.558% per  annum.  The Net
Mortgage Interest  Rate of  each Mortgage  Loan will  be equal  to the  Mortgage
Interest  Rate of such Mortgage  Loan minus the Servicing  Fee rate of 0.20% per
annum. As of the Cut-Off Date,  the weighted average Net Mortgage Interest  Rate
of the Mortgage Loans is expected to be approximately 8.358% per annum.
 
                                      S-54
<PAGE>
                      REMAINING MONTHS TO STATED MATURITY
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE     CUT-OFF DATE
                                          NUMBER OF       UNPAID         AGGREGATE
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
REMAINING STATED TERM (MONTHS)              LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  -------------
<S>                                       <C>         <C>              <C>
343.....................................        1     $     79,174.61       0.03%
344.....................................        1          202,240.92       0.07
347.....................................        1           58,544.28       0.02
348.....................................        1          292,091.40       0.11
349.....................................        1           76,531.70       0.03
350.....................................        4          692,899.35       0.25
352.....................................        2          601,675.93       0.22
353.....................................        6        1,094,963.39       0.40
354.....................................        6          958,353.22       0.35
355.....................................       24        4,917,613.90       1.79
356.....................................       36        7,335,746.64       2.67
357.....................................       75       16,296,749.08       5.92
358.....................................      245       60,903,811.39      22.13
359.....................................      599      155,134,161.63      56.35
360.....................................      122       26,595,000.00       9.66
                                          ---------   ---------------  -------------
      Total.............................    1,124     $275,239,557.44     100.00%
                                          ---------   ---------------  -------------
                                          ---------   ---------------  -------------
</TABLE>
 
As  of the Cut-Off Date, the weighted  average remaining term to stated maturity
of the Mortgage Loans is expected to be approximately 358 months.
 
                              YEARS OF ORIGINATION
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE     CUT-OFF DATE
                                          NUMBER OF       UNPAID         AGGREGATE
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
YEARS OF ORIGINATION                        LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  -------------
<S>                                       <C>         <C>              <C>
1991....................................        5     $    913,541.29       0.33%
1992....................................    1,119      274,326,016.15      99.67
                                          ---------   ---------------  -------------
      Total.............................    1,124     $275,239,557.44     100.00%
                                          ---------   ---------------  -------------
                                          ---------   ---------------  -------------
</TABLE>
 
It is expected that the earliest month  and year of origination of any  Mortgage
Loan  was June 1991  and the latest  month and year  of origination was November
1992.
 
                                      S-55
<PAGE>
                         ORIGINAL LOAN-TO-VALUE RATIOS
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE     CUT-OFF DATE
                                          NUMBER OF       UNPAID         AGGREGATE
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
LOAN-TO-VALUE RATIO                         LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  -------------
<S>                                       <C>         <C>              <C>
50.00% or less..........................       82     $ 16,831,890.38       6.12%
50.01-55.00%............................       41       10,522,042.66       3.82
55.01-60.00%............................       53       13,540,162.47       4.92
60.01-65.00%............................       73       18,917,232.77       6.87
65.01-70.00%............................      102       29,903,426.35      10.86
70.01-75.00%............................      290       67,151,219.92      24.40
75.01-80.00%............................      359       85,412,506.99      31.04
80.01-85.00%............................       10        2,488,808.48       0.90
85.01-90.00%............................      114       30,472,267.42      11.07
                                          ---------   ---------------  -------------
      Total.............................    1,124     $275,239,557.44     100.00%
                                          ---------   ---------------  -------------
                                          ---------   ---------------  -------------
</TABLE>
 
As of  the  Cut-Off  Date,  the minimum  and  maximum  Loan-to-Value  Ratios  at
origination  of  the  Mortgage  Loans  are expected  to  be  10.00%  and 90.00%,
respectively, and the weighted average Loan-to-Value Ratio at origination of the
Mortgage Loans is expected to be approximately 72%. The Loan-to-Value Ratio of a
Mortgage Loan is calculated using the lesser  of (i) the appraised value of  the
related  Mortgaged  Property, as  established by  an  appraisal obtained  by the
originator from an appraiser at the time of origination and (ii) the sale  price
for such property. For the purpose of calculating the Loan-to-Value Ratio of any
Mortgage Loan that is the result of the refinancing (including a refinancing for
"equity take-out" purposes) of an existing mortgage loan, the appraised value of
the  related  Mortgaged  Property is  generally  determined by  reference  to an
appraisal obtained in connection with  the origination of the replacement  loan.
See  "The Trust Estates--Mortgage Loans" in  the Prospectus. It is expected that
54 of the Mortgage Loans having Loan-to-Value Ratios at origination in excess of
80%, representing approximately  5.14% of the  Cut-Off Date Aggregate  Principal
Balance  of  the  Mortgage  Loans,  were  originated  without  primary  mortgage
insurance. See "PHMC--Mortgage Loan Underwriting" in the Prospectus.
 
                       MORTGAGE LOAN DOCUMENTATION LEVELS
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE     CUT-OFF DATE
                                          NUMBER OF       UNPAID         AGGREGATE
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
DOCUMENTATION LEVELS                        LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  -------------
<S>                                       <C>         <C>              <C>
Full Documentation......................      541     $165,407,344.67      60.09%
Asset and Mortgage Verification.........      371       75,692,839.30      27.50
Income and Mortgage Verification........       23        6,010,364.88       2.18
Asset Verification......................      123       18,492,305.69       6.72
Income Verification.....................        0                0.00       0.00
Mortgage Verification...................       31        4,776,945.57       1.74
Preferred Processing....................       35        4,859,757.33       1.77
                                          ---------   ---------------  -------------
      Total.............................    1,124     $275,239,557.44     100.00%
                                          ---------   ---------------  -------------
                                          ---------   ---------------  -------------
</TABLE>
 
Documentation levels vary depending upon several factors, including loan amount,
Loan-to-Value Ratio and the type and purpose of the Mortgage Loan. Asset, income
and mortgage verifications were obtained for Mortgage Loans processed with "full
documentation." In the case of "preferred processing," neither asset, income nor
mortgage verifications were obtained.  However, for all  of the Mortgage  Loans,
verification of the borrower's employment, a credit report on the borrower and a
property  appraisal were obtained. See "PHMC--Mortgage Loan Underwriting" in the
Prospectus.
 
                                      S-56
<PAGE>
                   ORIGINAL MORTGAGE LOAN PRINCIPAL BALANCES
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE     CUT-OFF DATE
                ORIGINAL                  NUMBER OF       UNPAID         AGGREGATE
             MORTGAGE LOAN                MORTGAGE       PRINCIPAL       PRINCIPAL
           PRINCIPAL BALANCE                LOANS         BALANCE         BALANCE
          --------------------            ---------   ---------------  -------------
<S>                                       <C>         <C>              <C>
Less than or equal to $200,000..........      370     $ 43,891,790.74      15.95%
$200,001-$250,000.......................      255       58,552,105.29      21.27
$250,001-$300,000.......................      235       64,594,603.76      23.48
$300,001-$350,000.......................      112       36,468,508.70      13.25
$350,001-$400,000.......................       66       24,880,871.01       9.04
$400,001-$450,000.......................       23        9,859,928.75       3.58
$450,001-$500,000.......................       28       13,519,249.31       4.91
$500,001-$550,000.......................        4        2,060,267.12       0.75
$550,001-$600,000.......................       13        7,682,357.83       2.79
$600,001-$650,000.......................        1          612,500.00       0.22
$650,001-$700,000.......................        5        3,385,550.37       1.23
$700,001-$750,000.......................        5        3,744,821.17       1.36
$750,001-$800,000.......................        3        2,324,693.76       0.84
$800,001-$850,000.......................        1          838,978.64       0.30
$850,001-$900,000.......................        1          899,482.20       0.33
$900,001-$950,000.......................        1          944,412.62       0.34
$950,001-$1,000,000.....................        1          979,436.17       0.36
                                          ---------   ---------------  -------------
      Total.............................    1,124     $275,239,557.44     100.00%
                                          ---------   ---------------  -------------
                                          ---------   ---------------  -------------
</TABLE>
 
As of the  Cut-Off Date, the  average unpaid principal  balance of the  Mortgage
Loans  is expected  to be  approximately $244,875. As  of the  Cut-Off Date, the
weighted  average   Loan-to-Value  Ratio   at   origination  and   the   maximum
Loan-to-Value  Ratio at  origination of  the Mortgage  Loans which  had original
principal balances in excess of $600,000 are expected to be approximately 65.46%
and  75.00%,  respectively.   See  "The  Trust   Estates--Mortgage  Loans"   and
"PHMC--Mortgage Loan Underwriting" in the Prospectus.
 
                              MORTGAGED PROPERTIES
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE     CUT-OFF DATE
                                          NUMBER OF       UNPAID         AGGREGATE
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
PROPERTY                                    LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  -------------
<S>                                       <C>         <C>              <C>
Single-family detached..................    1,065     $264,685,321.43      96.16%
Two- to four-family units...............        4        1,198,026.31       0.44
Condominiums
    High-rise (four stories or more)....       12        2,125,678.46       0.77
    Low-rise (less than four stories)...       38        6,623,831.24       2.41
Planned unit developments...............        1          249,000.00       0.09
Townhouses..............................        4          357,700.00       0.13
Cooperative units.......................        0                0.00       0.00
                                          ---------   ---------------  -------------
      Total.............................    1,124     $275,239,557.44     100.00%
                                          ---------   ---------------  -------------
                                          ---------   ---------------  -------------
</TABLE>
 
                                      S-57
<PAGE>
                GEOGRAPHIC DISTRIBUTION OF MORTGAGED PROPERTIES
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE     CUT-OFF DATE
                                          NUMBER OF       UNPAID         AGGREGATE
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
STATE                                       LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  -------------
<S>                                       <C>         <C>              <C>
Alabama.................................        2     $    244,844.17       0.09%
Arizona.................................        8          974,446.75       0.35
California..............................      574      166,410,743.79      60.46
Colorado................................       10        2,409,716.48       0.88
Connecticut.............................       26        6,596,274.35       2.40
Delaware................................        3          494,289.40       0.18
District of Columbia....................        3        1,330,939.92       0.48
Florida.................................       58        6,244,474.14       2.27
Georgia.................................       15        2,530,818.85       0.92
Hawaii..................................        4        2,870,075.32       1.04
Idaho...................................        2          738,590.85       0.27
Illinois................................       19        4,580,384.39       1.66
Indiana.................................        1          266,200.41       0.10
Kansas..................................        1          284,953.09       0.10
Louisiana...............................        4          363,237.76       0.13
Maryland................................       30        6,576,298.73       2.39
Massachusetts...........................       23        5,679,048.31       2.06
Michigan................................        1           58,928.26       0.02
Minnesota...............................        3          581,475.45       0.21
Montana.................................        1           95,000.00       0.03
Nevada..................................        7        1,535,968.10       0.56
New Hampshire...........................        4          620,781.37       0.23
New Jersey..............................       94       17,716,987.68       6.44
New Mexico..............................        4          590,499.78       0.21
New York................................      113       21,782,919.50       7.91
North Carolina..........................        6          770,334.72       0.28
Ohio....................................        2          543,779.97       0.20
Oklahoma................................        2          295,921.64       0.11
Oregon..................................        6          822,290.30       0.30
Pennsylvania............................       17        2,849,985.21       1.04
Rhode Island............................        4          597,139.89       0.22
South Carolina..........................        4          604,541.91       0.22
Tennessee...............................        5          834,599.59       0.30
Texas...................................       23        3,999,889.58       1.45
Utah....................................        5        1,668,024.61       0.61
Vermont.................................        1           63,100.00       0.02
Virginia................................       24        6,929,908.98       2.52
Washington..............................       14        3,434,398.27       1.25
Wisconsin...............................        1          247,745.92       0.09
                                          ---------   ---------------  -------------
      Total.............................    1,124     $275,239,557.44     100.00%
                                          ---------   ---------------  -------------
                                          ---------   ---------------  -------------
</TABLE>
 
No more than approximately 1.17% of the Cut-Off Date Aggregate Principal Balance
of  the Mortgage Loans is expected to be secured by Mortgaged Properties located
in any one zip code.
 
                                      S-58
<PAGE>
                         ORIGINATORS OF MORTGAGE LOANS
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE     CUT-OFF DATE
                                          NUMBER OF       UNPAID         AGGREGATE
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
ORIGINATOR                                  LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  -------------
<S>                                       <C>         <C>              <C>
PHMC or Affiliate.......................      219     $ 50,275,961.28      18.27%
Other Originators.......................      905      224,963,596.16      81.73
                                          ---------   ---------------  -------------
      Total                                 1,124     $275,239,557.44     100.00%
                                          ---------   ---------------  -------------
                                          ---------   ---------------  -------------
</TABLE>
 
It is expected that, as of the Cut-Off Date, two of the "Other Originators" will
have accounted for approximately 7.70%  and 7.35%, respectively, of the  Cut-Off
Date  Aggregate Principal Balance of the  Mortgage Loans. No other single "Other
Originator" is expected  to have accounted  for more than  5.00% of the  Cut-Off
Date Aggregate Principal Balance of the Mortgage Loans. See "PHMC--Mortgage Loan
Production Sources" in the Prospectus.
 
                           PURPOSES OF MORTGAGE LOANS
 
<TABLE>
<CAPTION>
                                                                       PERCENTAGE OF
                                                         AGGREGATE     CUT-OFF DATE
                                          NUMBER OF       UNPAID         AGGREGATE
                                          MORTGAGE       PRINCIPAL       PRINCIPAL
LOAN PURPOSE                                LOANS         BALANCE         BALANCE
- ----------------------------------------  ---------   ---------------  -------------
<S>                                       <C>         <C>              <C>
Purchase................................      372     $ 74,068,211.29      26.91%
Rate/Term Refinance.....................      536      148,113,906.59      53.81
Equity Take Out Refinance...............      216       53,057,439.56      19.28
                                          ---------   ---------------  -------------
      Total.............................    1,124     $275,239,557.44     100.00%
                                          ---------   ---------------  -------------
                                          ---------   ---------------  -------------
</TABLE>
 
In  general,  in the  case of  a  Mortgage Loan  made for  "rate/term" refinance
purposes, substantially  all  of  the proceeds  are  used  to pay  in  full  the
principal balance of a previous mortgage loan of the mortgagor with respect to a
Mortgaged Property and to pay origination and closing costs associated with such
refinancing.  However, in the case of a Mortgage Loan made for "equity take out"
refinance purposes, all or a portion  of the proceeds are generally retained  by
the  mortgagor for uses unrelated to the  Mortgaged Property. The amount of such
proceeds  retained  by  the  mortgagor  may  be  substantial.  See  "The   Trust
Estates--Mortgage   Loans"  and   "PHMC--Mortgage  Loan   Underwriting"  in  the
Prospectus.
 
MANDATORY REPURCHASE OR SUBSTITUTION OF MORTGAGE LOANS
 
    The Seller is required, with respect to Mortgage Loans that are found by the
Trustee to have defective documentation, or  in respect of which the Seller  has
breached  a representation or warranty, either to repurchase such Mortgage Loans
or, if within two years  of the date of initial  issuance of the Series  1992-47
Certificates,  to substitute new  Mortgage Loans therefor.  Any Mortgage Loan so
substituted must, among other things, have an unpaid principal balance equal  to
or  less than the Scheduled Principal Balance  of the Mortgage Loan for which it
is being substituted (after giving effect to the scheduled principal payment due
in the month of substitution on the Mortgage Loan for which a new Mortgage  Loan
is  being  substituted), a  Loan-to-Value Ratio  less  than or  equal to,  and a
Mortgage Interest Rate  no less than,  and no  more than one  percent per  annum
greater  than, that of the Mortgage Loan  for which it is being substituted. Any
such substitution may be made only upon receipt by the Trustee of an opinion  of
counsel   or  other  satisfactory  evidence   that,  among  other  things,  such
substitution will not subject the Upper-Tier REMIC or Lower-Tier REMIC to tax or
cause either the Upper-Tier REMIC  or Lower-Tier REMIC to  fail to qualify as  a
REMIC.   See  "Prepayment  and  Yield  Considerations"  herein  and  "The  Trust
Estates--Mortgage Loans--Assignment of  Mortgage Loans  to the  Trustee" in  the
Prospectus.
 
OPTIONAL REPURCHASE OF DEFAULTED MORTGAGE LOANS
 
    The  Seller may, in  its sole discretion,  repurchase any defaulted Mortgage
Loan from the Trust Estate at a  price equal to the unpaid principal balance  of
such Mortgage Loan, together with accrued interest at
 
                                      S-59
<PAGE>
a  rate equal to the Mortgage Interest Rate through the last day of the month in
which such repurchase occurs.  See "The Trust Estates--Mortgage  Loans--Optional
Repurchases"  in the Prospectus. The Servicer may, in its sole discretion, allow
the assumption  of  a defaulted  Mortgage  Loan  by a  borrower  meeting  PHMC's
underwriting  guidelines or  encourage the  refinancing of  a defaulted Mortgage
Loan. See "Prepayment  and Yield  Considerations" herein and  "Servicing of  the
Mortgage  Loans--Enforcement of Due-on-Sale  Clauses; Realization Upon Defaulted
Mortgage Loans" in the Prospectus.
 
              ORIGINATION, DELINQUENCY AND FORECLOSURE EXPERIENCE
 
LOAN ORIGINATION
 
    During the years  ended December 31,  1990, December 31,  1991 and the  nine
months  ended  September 30,  1992, PHMC  originated or  purchased, for  its own
account or for the account of  an affiliate, conventional mortgage loans  having
aggregate principal balances of approximately $5,837,566,957, $9,742,858,764 and
$16,298,592,169, respectively.
 
DELINQUENCY AND FORECLOSURE EXPERIENCE
 
    The  following  tables  set  forth  certain  information  concerning  recent
delinquency, foreclosure and loan loss  experience on the conventional  mortgage
loans included in PHMC's mortgage loan servicing portfolio which were originated
by  PHMC for its own account  or for the account of  an affiliate or acquired by
PHMC for its own account or for the account of an affiliate and underwritten  to
PHMC's  underwriting standards (the "Program Loans"), on the Program Loans which
are fixed interest rate  mortgage loans ("Fixed  Program Loans"), including,  in
both  cases,  mortgage  loans originated  in  connection with  the  purchases of
residences by  relocated employees  ("Relocation Mortgage  Loans"), and  on  the
Fixed Program Loans, other than Relocation Mortgage Loans ("Fixed Non-relocation
Program  Loans"). See "Description of the  Mortgage Loans" herein and "The Trust
Estates--Mortgage Loans" and  "PHMC-- General,"  "--Mortgage Loan  Underwriting"
and  "--Servicing" in the Prospectus. The delinquency, foreclosure and loan loss
experience represents the recent experience of PHMC and The Prudential  Mortgage
Capital  Company, Inc.,  an affiliate of  PHMC which serviced  the Program Loans
prior to  June  30,  1989. There  can  be  no assurance  that  the  delinquency,
foreclosure  and loan  loss experience  set forth  with respect  to PHMC's total
servicing portfolio of Program Loans,  which includes both fixed and  adjustable
interest  rate mortgage loans  and loans having  a variety of  original terms to
stated maturity including Relocation Mortgage Loans and non-relocation  mortgage
loans,  and  PHMC's  servicing  portfolios  of  Fixed  Program  Loans  or  Fixed
Non-relocation Program Loans, each of which  includes loans having a variety  of
payment  characteristics,  such as  Subsidy  Loans, Buy-Down  Loans  and Balloon
Loans, will  be representative  of  the results  that  may be  experienced  with
respect to the Mortgage Loans included in the Trust Estate.
 
    Historically,  Relocation  Mortgage  Loans, which  constitute  a significant
percentage of the Mortgage Loans currently serviced by PHMC, have experienced  a
significantly  lower  rate of  delinquency and  foreclosure than  other mortgage
loans included in the portfolios of total Program Loans and Fixed Program Loans.
There can  be no  assurance that  the future  experience on  the Mortgage  Loans
contained  in the Trust  Estate, all of  which are fixed  interest rate mortgage
loans having original terms to stated maturity of 30 years will be comparable to
that of  the  total  Program  Loans,  the  Fixed  Program  Loans  or  the  Fixed
Non-relocation Program Loans.
 
                                      S-60
<PAGE>
                              TOTAL PROGRAM LOANS
 
<TABLE>
<CAPTION>
                             AS OF                   AS OF                   AS OF
                       DECEMBER 31, 1990       DECEMBER 31, 1991       SEPTEMBER 30, 1992
                     ----------------------  ----------------------  ----------------------
                                 BY DOLLAR               BY DOLLAR               BY DOLLAR
                      BY NO.      AMOUNT      BY NO.      AMOUNT      BY NO.      AMOUNT
                     OF LOANS    OF LOANS    OF LOANS    OF LOANS    OF LOANS    OF LOANS
                     --------   -----------  --------   -----------  --------   -----------
                                         (DOLLAR AMOUNTS IN THOUSANDS)
 
<S>                  <C>        <C>          <C>        <C>          <C>        <C>
Total Portfolio of
 Program Loans.....   99,196    $13,724,585   136,972   $21,489,014   188,533   $32,313,484
                     --------   -----------  --------   -----------  --------   -----------
                     --------   -----------  --------   -----------  --------   -----------
Period of
 Delinquency(1)
  30 to 59 days....    2,439    $   319,663     2,973   $   396,403     2,685   $   381,626
  60 to 89 days....      697         93,302       706       103,710       607        96,478
  90 days or
  more.............      902        145,245     1,268       220,943     1,162       196,560
                     --------   -----------  --------   -----------  --------   -----------
Total Delinquent
 Loans.............    4,038    $   558,210     4,947   $   721,056     4,454   $   674,664
                     --------   -----------  --------   -----------  --------   -----------
                     --------   -----------  --------   -----------  --------   -----------
Percent of
 Portfolio.........     4.07%          4.07%     3.61%         3.36%     2.36%         2.09%
</TABLE>
<TABLE>
<CAPTION>
                             AS OF                 AS OF                 AS OF
                       DECEMBER 31, 1990     DECEMBER 31, 1991    SEPTEMBER 30, 1992
                      -------------------   -------------------   -------------------
                                       (DOLLAR AMOUNTS IN THOUSANDS)
 
<S>                   <C>                   <C>                   <C>
Foreclosures(2).....            $132,326              $189,563              $255,997
Foreclosure
 Ratio(3)...........                0.96%                 0.88%                 0.79%
 
<CAPTION>
 
                          YEAR ENDED            YEAR ENDED         NINE MONTHS ENDED
                       DECEMBER 31, 1990     DECEMBER 31, 1991    SEPTEMBER 30, 1992
                      -------------------   -------------------   -------------------
                                       (DOLLAR AMOUNTS IN THOUSANDS)
<S>                   <C>                   <C>                   <C>
 
Net Gain
 (Loss)(4)..........            $(4,897)              $(11,103)             $(22,149)
Net Gain (Loss)
 Ratio(5)...........              (0.04)%               (0.05)%               (0.07)%
</TABLE>
 
- -------------
(1) The  indicated periods of delinquency  are based on the  number of days past
    due, based on a 30-day month. No mortgage loan is considered delinquent  for
    these  purposes until one month has passed since its contractual due date. A
    mortgage  loan  is   no  longer  considered   delinquent  once   foreclosure
    proceedings have commenced.
 
(2) Includes loans in the applicable portfolio for which foreclosure proceedings
    had  been instituted or with respect to  which the related property had been
    acquired as of the dates indicated.
 
(3) Foreclosures as a percentage of total  loans in the applicable portfolio  at
    the end of each period.
 
(4) Does  not  include gain  or loss  with  respect to  loans in  the applicable
    portfolio for  which foreclosure  proceedings had  been instituted  but  not
    completed  as of  the dates indicated,  or for which  the related properties
    have been acquired in foreclosure proceedings but not yet sold.
 
(5) Net gain (loss) as a percentage  of total loans in the applicable  portfolio
    at the end of each period.
 
                                      S-61
<PAGE>
                              FIXED PROGRAM LOANS
 
<TABLE>
<CAPTION>
                           AS OF                   AS OF                   AS OF
                     DECEMBER 31, 1990       DECEMBER 31, 1991       SEPTEMBER 30, 1992
                   ----------------------  ----------------------  ----------------------
                               BY DOLLAR               BY DOLLAR               BY DOLLAR
                    BY NO.      AMOUNT      BY NO.      AMOUNT      BY NO.      AMOUNT
                   OF LOANS    OF LOANS    OF LOANS    OF LOANS    OF LOANS    OF LOANS
                   --------   -----------  --------   -----------  --------   -----------
                                       (DOLLAR AMOUNTS IN THOUSANDS)
 
<S>                <C>        <C>          <C>        <C>          <C>        <C>
Total Portfolio
 of Fixed Program
 Loans...........   86,233    $11,687,518   120,333   $18,604,937   160,406   $27,118,998
                   --------   -----------  --------   -----------  --------   -----------
                   --------   -----------  --------   -----------  --------   -----------
Period of
 Delinquency(1)
  30 to 59
  days...........    1,823    $   227,468     2,379   $   311,415     2,209   $   308,073
  60 to 89
  days...........      456         52,748       534        72,567       488        75,741
  90 days or
  more...........      538         72,393       859       133,313       891       141,606
                   --------   -----------  --------   -----------  --------   -----------
Total Delinquent
 Loans...........    2,817    $   352,609     3,772   $   517,295     3,588   $   525,420
                   --------   -----------  --------   -----------  --------   -----------
                   --------   -----------  --------   -----------  --------   -----------
Percent of Fixed
 Program Loan
 Portfolio.......     3.27%          3.02%     3.13%         2.78%     2.24%         1.94%
</TABLE>
<TABLE>
<CAPTION>
                             AS OF                 AS OF                 AS OF
                       DECEMBER 31, 1990     DECEMBER 31, 1991    SEPTEMBER 30, 1992
                      -------------------   -------------------   -------------------
                                       (DOLLAR AMOUNTS IN THOUSANDS)
 
<S>                   <C>                   <C>                   <C>
Foreclosures(2).....            $ 48,681              $ 93,405              $147,081
Foreclosure
 Ratio(3)...........                0.42%                 0.50%                 0.54%
 
<CAPTION>
 
                          YEAR ENDED            YEAR ENDED         NINE MONTHS ENDED
                       DECEMBER 31, 1990     DECEMBER 31, 1991    SEPTEMBER 30, 1992
                      -------------------   -------------------   -------------------
                                       (DOLLAR AMOUNTS IN THOUSANDS)
<S>                   <C>                   <C>                   <C>
 
Net Gain
 (Loss)(4)..........            $ (1,194)             $ (4,050)             $ (9,318)
Net Gain (Loss)
 Ratio(5)...........               (0.01)%               (0.02)%               (0.03)%
</TABLE>
 
                                      S-62
<PAGE>
                       FIXED NON-RELOCATION PROGRAM LOANS
 
<TABLE>
<CAPTION>
                             AS OF                  AS OF                   AS OF
                       DECEMBER 31, 1990      DECEMBER 31, 1991       SEPTEMBER 30, 1992
                     ---------------------  ----------------------  ----------------------
                                BY DOLLAR               BY DOLLAR               BY DOLLAR
                      BY NO.    AMOUNT OF    BY NO.     AMOUNT OF    BY NO.     AMOUNT OF
                     OF LOANS     LOANS     OF LOANS      LOANS     OF LOANS      LOANS
                     --------   ----------  --------   -----------  --------   -----------
                                         (DOLLAR AMOUNTS IN THOUSANDS)
<S>                  <C>        <C>         <C>        <C>          <C>        <C>
Total Portfolio of
 Fixed
 Non-relocation
 Program Loans.....   59,295    $7,990,152   84,246    $13,352,914   120,523   $21,246,557
                     --------   ----------  --------   -----------  --------   -----------
                     --------   ----------  --------   -----------  --------   -----------
Period of
 Delinquency(1)
  30 to 59 days....    1,603    $  201,122    2,071    $   272,540     1,964   $   277,313
  60 to 89 days....      426        49,953      495         67,553       453        72,116
  90 days or
  more.............      508        68,285      801        126,752       829       133,914
                     --------   ----------  --------   -----------  --------   -----------
Total Delinquent
 Loans.............    2,537    $  319,360    3,367    $   466,845     3,246   $   483,343
                     --------   ----------  --------   -----------  --------   -----------
                     --------   ----------  --------   -----------  --------   -----------
Percent of
 Fixed
 Non-relocation
 Program Loan
 Portfolio.........     4.28%         4.00%    4.00%          3.50%     2.69%         2.27%
</TABLE>
<TABLE>
<CAPTION>
                             AS OF                 AS OF                 AS OF
                       DECEMBER 31, 1990     DECEMBER 31, 1991    SEPTEMBER 30, 1992
                      -------------------   -------------------   -------------------
                                       (DOLLAR AMOUNTS IN THOUSANDS)
<S>                   <C>                   <C>                   <C>
Foreclosures(2).....            $ 47,755              $ 90,861              $143,766
Foreclosure
 Ratio(3)...........                0.60%                 0.68%                 0.68%
 
<CAPTION>
 
                          YEAR ENDED            YEAR ENDED         NINE MONTHS ENDED
                       DECEMBER 31, 1990     DECEMBER 31, 1991    SEPTEMBER 30, 1992
                      -------------------   -------------------   -------------------
                                       (DOLLAR AMOUNTS IN THOUSANDS)
<S>                   <C>                   <C>                   <C>
Net Gain
 (Loss)(4)..........            $(1,041)              $(3,861)              $(9,139)
Net Gain (Loss)
 Ratio(5)...........              (0.01)%               (0.03)%               (0.04)%
</TABLE>
 
- -------------
(1) The  indicated periods of delinquency  are based on the  number of days past
    due, based on a 30-day month. No mortgage loan is considered delinquent  for
    these  purposes until one month has passed since its contractual due date. A
    mortgage  loan  is   no  longer  considered   delinquent  once   foreclosure
    proceedings have commenced.
 
(2) Includes loans in the applicable portfolio for which foreclosure proceedings
    had  been instituted or with respect to  which the related property had been
    acquired as of the dates indicated.
 
(3) Foreclosures as a percentage of total  loans in the applicable portfolio  at
    the end of each period.
 
(4) Does  not  include gain  or loss  with  respect to  loans in  the applicable
    portfolio for  which foreclosure  proceedings had  been instituted  but  not
    completed  as of  the dates indicated,  or for which  the related properties
    have been acquired in foreclosure proceedings but not yet sold.
 
(5) Net gain (loss) as a percentage  of total loans in the applicable  portfolio
    at the end of each period.
 
    The likelihood that a mortgagor will become delinquent in the payment of his
or  her mortgage loan, the rate of any subsequent foreclosures, and the severity
of any loan loss experience, may be affected by a number of factors related to a
borrower's personal circumstances, including,  but not limited to,  unemployment
or  change  in  employment  (or  in  the  case  of  self-employed  mortgagors or
mortgagors relying  on  commission  income,  fluctuations  in  income),  marital
separation  and the  mortgagor's equity  in the  related mortgaged  property. In
addition, delinquency, foreclosure and loan loss experience may be sensitive  to
adverse  economic  conditions,  either  nationally  or  regionally,  may exhibit
seasonal variations and  may be influenced  by the level  of interest rates  and
servicing   decisions  on  the  applicable  mortgage  loans.  Regional  economic
conditions (including  declining real  estate  values) may  particularly  affect
delinquency,  foreclosure  and loan  loss experience  on  mortgage loans  to the
extent that mortgaged properties are  concentrated in certain geographic  areas.
The  Seller believes that  the changes in the  delinquency, foreclosure and loan
loss  experience   of  PHMC's   respective  servicing   portfolios  during   the
 
                                      S-63
<PAGE>
periods set forth in the preceding tables may be attributable to factors such as
those  described above, although the  Seller is unable to  assess to what extent
these changes  are the  result of  any  particular factor  or a  combination  of
factors.  The delinquency, foreclosure and loan  loss experience on the Mortgage
Loans contained in the Trust Estate  may be particularly affected to the  extent
that the Mortgaged Properties are concentrated in areas which experience adverse
economic  conditions or  declining real estate  values. See  "Description of the
Mortgage Loans."
 
                      PREPAYMENT AND YIELD CONSIDERATIONS
 
    The rate  of distributions  in reduction  of the  principal balance  of  any
Subclass of the Class A Certificates and the Class M Certificates, the aggregate
amount  of distributions  on any  Subclass of the  Class A  Certificates and the
Class M Certificates and the  yield to maturity of any  Subclass of the Class  A
Certificates  and the  Class M Certificates  purchased at a  discount or premium
will be directly related to  the rate of payments  of principal on the  Mortgage
Loans  in  the Trust  Estate and  the  amount and  timing of  mortgagor defaults
resulting in Realized  Losses. The rate  of principal payments  on the  Mortgage
Loans  will in turn  be affected by  the amortization schedules  of the Mortgage
Loans, the  rate of  principal prepayments  (including partial  prepayments  and
those  resulting  from  refinancing)  thereon  by  mortgagors,  liquidations  of
defaulted Mortgage  Loans, repurchases  by the  Seller of  Mortgage Loans  as  a
result of defective documentation or breaches of representations and warranties,
optional  repurchase  by the  Seller of  defaulted  Mortgage Loans  and optional
purchase by the Servicer  of all of  the Mortgage Loans  in connection with  the
termination   of   the  Trust   Estate.   See  "Description   of   the  Mortgage
Loans--Optional  Repurchase  of  Defaulted  Mortgage  Loans"  and  "Pooling  and
Servicing    Agreement--Optional    Termination"   herein    and    "The   Trust
Estates--Mortgage  Loans--Assignment  of   Mortgage  Loans   to  the   Trustee,"
"--Optional  Repurchases" and "The Pooling and Servicing Agreement--Termination;
Purchase of  Mortgage Loans"  in  the Prospectus.  Mortgagors are  permitted  to
prepay  the Mortgage Loans, in whole or in part, at any time without penalty. As
described  under   "Description   of  the   Certificates--Principal   (Including
Prepayments)"   herein,  all  or  a  disproportionate  percentage  of  principal
prepayments on the  Mortgage Loans  (including liquidations  and repurchases  of
Mortgage  Loans) will be distributed to the holders of Class A Certificates then
entitled to  distributions  in  respect  of  principal  during  the  nine  years
beginning  on the first  Distribution Date. Prepayments  (which, as used herein,
include all unscheduled payments of principal, including payments as the  result
of  liquidations, purchases and repurchases) of  the Mortgage Loans in the Trust
Estate will  result  in distributions  to  Certificateholders then  entitled  to
distributions  in  respect  of principal  of  amounts which  would  otherwise be
distributed over the remaining terms of  such Mortgage Loans. Since the rate  of
prepayment  on the Mortgage Loans will depend  on future events and a variety of
factors (as described more fully below  and in the Prospectus under  "Prepayment
and  Yield Considerations"), no  assurance can be  given as to  such rate or the
rate of principal payments on  any Subclass of the  Class A Certificates or  the
Class M Certificates or the aggregate amount of distributions on any Subclass of
Class A Certificates or the Class M Certificates.
 
    The  rate of payments (including prepayments)  on pools of mortgage loans is
influenced by a variety  of economic, geographic, social  and other factors.  If
prevailing  rates  for  similar  mortgage  loans  fall  significantly  below the
Mortgage Interest Rates  on the  Mortgage Loans,  the rate  of prepayment  would
generally  be expected  to increase.  Conversely, if  interest rates  on similar
mortgage loans  rise significantly  above  the Mortgage  Interest Rates  on  the
Mortgage Loans, the rate of prepayment would generally be expected to decrease.
 
    Other  factors  affecting prepayment  of mortgage  loans include  changes in
mortgagors' housing  needs,  job transfers,  unemployment  or, in  the  case  of
self-employed mortgagors or mortgagors relying on commission income, substantial
fluctuations  in income, significant declines in  real estate values and adverse
economic  conditions  either  generally  or  in  particular  geographic   areas,
mortgagors'  equity  in the  Mortgaged  Properties and  servicing  decisions. In
addition, all  of the  Mortgage  Loans contain  due-on-sale clauses  which  will
generally  be  exercised  upon the  sale  of the  related  Mortgaged Properties.
Consequently, acceleration of  mortgage payments as  a result of  any such  sale
will  affect the level of prepayments on the Mortgage Loans. The extent to which
defaulted Mortgage Loans are assumed by
 
                                      S-64
<PAGE>
transferees of the  related Mortgaged Properties  will also affect  the rate  of
principal payments. The rate of prepayment and, therefore, the yield to maturity
of  the Class A and Class M Certificates will be affected by the extent to which
(i) the Seller elects to repurchase, rather than substitute for, Mortgage  Loans
which  are found by the Trustee to  have defective documentation or with respect
to which  the Seller  has breached  a  representation or  warranty or  (ii)  the
Servicer  elects to  encourage the  refinancing of  any defaulted  Mortgage Loan
rather than  to  permit  an  assumption  thereof  by  a  mortgagor  meeting  the
Servicer's   underwriting   guidelines.   See   "Servicing   of   the   Mortgage
Loans--Enforcement of Due-on-Sale Clauses;  Realization Upon Defaulted  Mortgage
Loans"  in  the  Prospectus.  There  can  be no  certainty  as  to  the  rate of
prepayments on the  Mortgage Loans during  any period  or over the  life of  the
Series  1992-47 Certificates. See  "Prepayment and Yield  Considerations" in the
Prospectus.
 
    The timing of changes in  the rate of prepayment  on the Mortgage Loans  may
significantly affect the actual yield to maturity experienced by an investor who
purchases  a Class A or Class  M Certificate at a price  other than par, even if
the average rate of principal payments experienced over time is consistent  with
such  investor's expectation. In general, the  earlier a prepayment of principal
on the underlying  Mortgage Loans,  the greater  the effect  on such  investor's
yield to maturity. As a result, the effect on such investor's yield of principal
payments  occurring at a rate higher (or lower) than the rate anticipated by the
investor during the period immediately following the issuance of the Class A and
Class M Certificates would  not be fully offset  by a subsequent like  reduction
(or increase) in the rate of principal payments.
 
    The  yield to maturity  on the Class  M Certificates will  be more sensitive
than the Class A Certificates  to losses due to  defaults on the Mortgage  Loans
(and the timing thereof), to the extent not covered by the Class B Certificates,
because  the  entire amount  of such  losses will  be allocable  to the  Class M
Certificates prior to  the Class  A Certificates, except  as otherwise  provided
herein.  To  the  extent  not covered  by  Periodic  Advances,  delinquencies on
Mortgage Loans  may  also have  a  relatively greater  effect  on the  yield  to
investors  in  the  Class  M Certificates.  Amounts  otherwise  distributable to
holders of  the Class  M Certificates  will  be made  available to  protect  the
holders  of the Class A Certificates  against interruptions in distributions due
to certain  mortgagor  delinquencies.  Such delinquencies,  to  the  extent  not
covered  by the Class B Certificates, even if subsequently cured, may affect the
timing of the receipt of distributions  by the holders of Class M  Certificates,
because  the entire amount of those delinquencies  would be borne by the Class M
Certificates prior to the Class A Certificates.
 
    No representation  is made  as to  the  rate of  principal payments  on  the
Mortgage  Loans  or as  to the  yield to  maturity  of any  Subclass of  Class A
Certificates or  the Class  M Certificates.  An  investor is  urged to  make  an
investment  decision with respect to any Subclass of Class A Certificates or the
Class M Certificates based on the anticipated yield to maturity of such Subclass
of Class A Certificates or the Class M Certificates resulting from its  purchase
price  and such  investor's own  determination as  to anticipated  Mortgage Loan
prepayment rates under a variety of scenarios and, in the case of the Class A-4,
Class  A-5,  Class  A-14  and  Class  A-15  Certificates,  such  investor's  own
determination  as  to  anticipated levels  of  LIBOR.  The extent  to  which any
Subclass of Class A Certificates or the Class M Certificates are purchased at  a
discount  or a premium, the degree to  which such Subclass or Class is sensitive
to the timing of prepayments and, in the case of the Class A-4, Class A-5, Class
A-14 and Class  A-15 Certificates,  the degree to  which LIBOR  varies from  the
level  anticipated by an investor, will determine  the extent to which the yield
to maturity of such Subclass  or Class may vary  from the anticipated yield.  An
investor  should carefully consider the associated risks, including, in the case
of any Class A or Class M Certificates purchased at a discount, the risk that  a
slower  than anticipated rate of principal  payments on the Mortgage Loans could
result in an actual yield  to such investor that  is lower than the  anticipated
yield  and, in the  case of any Class  A or Class M  Certificates purchased at a
premium, particularly the Class A-5 and Class A-6 Certificates, the risk that  a
faster  than anticipated  rate of principal  payments could result  in an actual
yield to such investor that is lower than the anticipated yield.
 
    An investor should consider the risk that rapid rates of prepayments on  the
Mortgage Loans, and therefore of amounts distributable in reduction of principal
balance of the Class A or Class M Certificates, may coincide with periods of low
prevailing   interest  rates.  During  such   periods,  the  effective  interest
 
                                      S-65
<PAGE>
rates on  securities  in  which  an investor  may  choose  to  reinvest  amounts
distributed  in reduction of the principal balance of such investor's Class A or
Class M  Certificate  may  be  lower  than  the  applicable  Pass-Through  Rate.
Conversely,  slower rates of prepayments on the Mortgage Loans, and therefore of
amounts distributable in reduction of principal balance of the Class A or  Class
M  Certificates, may  coincide with periods  of high  prevailing interest rates.
During such  periods, the  amount  of principal  distributions available  to  an
investor  for  reinvestment  at  such  high  prevailing  interest  rates  may be
relatively small.
 
    Investors in the Class A-4 Certificates should understand that at levels  of
LIBOR  greater than approximately 9.20%, the  Pass-Through Rate of such Subclass
will remain at its maximum rate of approximately 10.00% per annum. Investors  in
the  Class  A-4  Certificates should  also  consider  the risk  that  lower than
anticipated levels of LIBOR could result in actual yields to such investors that
are lower than the  anticipated yields. Conversely, investors  in the Class  A-5
Certificates  should consider  the risk that  higher than  anticipated levels of
LIBOR could result  in actual yields  to such investors  that are  significantly
lower  than anticipated yields.  Investors in the  Class A-5 Certificates should
also understand that at  levels of LIBOR in  excess of approximately 9.20%,  the
Pass-Through  Rate of the Class A-5 Certificates  will be 0% per annum. However,
based on the assumptions  set forth in  the first full  paragraph on page  S-72,
constant  levels of  LIBOR below  9.20%, especially  when combined  with certain
constant prepayment rates, are expected to produce a negative yield to investors
in the Class  A-5 Certificates. See  "--Sensitivity of the  Class A-5 and  Class
A-15 Certificates" below.
 
    Investors in the Class A-14 Certificates should understand that at levels of
LIBOR  greater than 9.90%, the Pass-Through Rate of such Subclass will remain at
its maximum rate of 11.00% per  annum. Investors in the Class A-14  Certificates
should  also consider the risk that lower than anticipated levels of LIBOR could
result in  actual yields  to  such investors  that  are lower  than  anticipated
yields.  Investors in the Class A-15  Certificates should consider the risk that
higher than anticipated levels  of LIBOR could result  in actual yields to  such
investors that are significantly lower than anticipated yields. Investors in the
Class  A-15 Certificates should understand that  at levels of LIBOR greater than
9.90%, the  Pass-Through Rate  of the  Class A-15  Certificates will  be 0%  per
annum. See "--Sensitivity of the Class A-5 and Class A-15 Certificates" below.
 
    Investors in the Class A-4, Class A-5 Class A-14 and Class A-15 Certificates
should  understand that the timing  of changes in the  level of LIBOR may affect
the actual yields to such investors even if the average level is consistent with
such investors' expectations. Each investor must make an independent decision as
to the appropriate LIBOR assumptions to be used in deciding whether to  purchase
a Class A-4, Class A-5, Class A-14 and Class A-15 Certificate.
 
    As indicated under "Federal Income Tax Considerations" herein, the Class A-R
Certificateholder's REMIC taxable income and the tax liability thereon will, and
the  Class A-LR Certificateholder's  REMIC taxable income  and the tax liability
thereon may, exceed cash distributions  to such holders during certain  periods.
There  can be no assurance as to the amount by which such taxable income or such
tax liability will exceed cash distributions in respect of the Class A-R and the
Class A-LR Certificates  during any such  period and no  representation is  made
with  respect thereto under any principal  prepayment scenario or otherwise. DUE
TO THE SPECIAL TAX TREATMENT OF RESIDUAL INTERESTS, THE AFTER-TAX RETURN OF  THE
CLASS  A-R AND THE CLASS A-LR CERTIFICATES MAY BE SIGNIFICANTLY LOWER THAN WOULD
BE THE CASE  IF THE CLASS  A-R AND CLASS  A-LR CERTIFICATES WERE  TAXED AS  DEBT
INSTRUMENTS.
 
    As  referred to herein, the  weighted average life of  a Subclass of Class A
Certificates and the Class M Certificates  refers to the average amount of  time
that  will elapse from the date of issuance of such Subclass or Class until each
dollar in  reduction of  the principal  balance  of such  Subclass or  Class  is
distributed  to the investor. The weighted average  life of each Subclass of the
Class A Certificates and the Class  M Certificates will be influenced by,  among
other  things, the rate and timing of  principal payments on the Mortgage Loans,
which may be in the form of scheduled amortization or prepayments.
 
    THE WEIGHTED AVERAGE LIVES  (AND, TO THE EXTENT  PURCHASED AT A DISCOUNT  OR
PREMIUM, THE YIELDS TO MATURITY) OF THE COMPANION CERTIFICATES WILL BE EXTREMELY
SENSITIVE TO THE RATE OF PRINCIPAL
 
                                      S-66
<PAGE>
payments  (including  prepayments)  on  the  Mortgage  Loans.  Specifically,  if
prepayments result in a Class A  Principal Distribution Amount equal to or  less
than  the  sum  of the  TAC  Principal  Amounts on  any  Distribution  Date, the
Companion Certificates  will  receive no  distributions  in reduction  of  their
principal balances on such Distribution Date. Further, on each Distribution Date
up  to  and  including the  Distribution  Date  on which  the  Class  A Subclass
Principal Balances of the Companion Certificates are reduced to zero, any Excess
Principal Payments will be applied first  to the Companion Certificates then  to
the  outstanding  Subclasses  of  TAC Certificates  and  TAC  Components  in the
proportions  and  priorities   set  forth  above   under  "Description  of   the
Certificates--Principal  (including  Prepayments)" without  regard to  their TAC
Principal Amounts. See  "Description of  the Certificates--Principal  (including
Prepayments)--  Principal Payment  Characteristics of the  TAC Certificates, TAC
Components and Companion Certificates" herein.
 
    Prepayments on mortgage loans are commonly measured relative to a prepayment
standard or model. The  model used in this  Prospectus Supplement, the  Standard
Prepayment  Assumption ("SPA"),  represents an  assumed rate  of prepayment each
month relative  to the  then outstanding  principal  balance of  a pool  of  new
mortgage  loans. A prepayment assumption of 100% SPA assumes constant prepayment
rates of  0.2% per  annum of  the  then outstanding  principal balance  of  such
mortgage  loans in  the first  month of the  life of  the mortgage  loans and an
additional 0.2% per annum  in each month thereafter  until the thirtieth  month.
Beginning in the thirtieth month and in each month thereafter during the life of
the  mortgage loans, 100% SPA assumes a constant prepayment rate of 6% per annum
each month. As used in the table below, "0% SPA" assumes prepayment rates  equal
to  0%  of  SPA,  i.e.,  no  prepayments.  Correspondingly,  "75%  SPA"  assumes
prepayment rates equal to 75% of SPA, and so forth. SPA DOES NOT PURPORT TO BE A
HISTORICAL  DESCRIPTION  OF  PREPAYMENT  EXPERIENCE  OR  A  PREDICTION  OF   THE
ANTICIPATED  RATE OF  PREPAYMENT OF  ANY POOL  OF MORTGAGE  LOANS, INCLUDING THE
MORTGAGE LOANS.
 
    The tables  set  forth  below  have  been  prepared  on  the  basis  of  the
characteristics  of the Mortgage Loans  that are expected to  be included in the
Trust Estate, as described above under "Description of the Mortgage Loans."  The
tables  assume, among other things, that (i) the scheduled payment in each month
for each Mortgage Loan has been based on its outstanding balance as of the first
day of the month preceding the month of such payment, its Mortgage Interest Rate
and its remaining term to stated maturity, so that such scheduled payments would
amortize the  remaining balance  by  its stated  maturity date,  (ii)  scheduled
monthly  payments of principal and interest on the Mortgage Loans will be timely
received on the first day of  each month (with no defaults), commencing  January
1,  1993, (iii) the Seller  does not repurchase any  Mortgage Loan, as described
under "The Trust Estates--Mortgage  Loans" in the  Prospectus, and the  Servicer
does  not exercise its option to purchase the Mortgage Loans and thereby cause a
termination of  the Trust  Estate, (iv)  principal prepayments  on the  Mortgage
Loans  will be received  on the last  day of each  month commencing December 31,
1992 at the respective constant percentages of  SPA set forth in the tables  and
there  are  no Prepayment  Interest Shortfalls,  (v) each  Mortgage Loan  has an
original term to maturity of 30  years and (vi) the Series 1992-47  Certificates
will  be issued on  December 22, 1992.  IT IS HIGHLY  UNLIKELY THAT THE MORTGAGE
LOANS WILL PREPAY AT ANY  CONSTANT RATE OR THAT ALL  OF THE MORTGAGE LOANS  WILL
PREPAY  AT THE  SAME RATE.  In addition,  there may  be differences  between the
characteristics of the mortgage  loans ultimately included  in the Trust  Estate
and  the Mortgage Loans which are expected  to be included, as described herein.
Any difference may have an effect upon the actual percentages of initial Class A
Subclass Principal Balance of the Subclasses of Class A Certificates and initial
principal balance of the Class  M Certificates outstanding, the actual  weighted
average  lives  of  the Subclasses  of  Class  A Certificates  and  the  Class M
Certificates and the date on which the Class A Subclass Principal Balance of any
Subclass of  Class A  Certificates and  the  principal balance  of the  Class  M
Certificates are reduced to zero.
 
    Based  upon  the foregoing  assumptions, the  following tables  indicate the
weighted average life of each Subclass and Class of Offered Certificates and set
forth the percentages of the initial Class A Subclass Principal Balance of  each
such  Subclass, and,  in the case  of the  Class M Certificates,  of the initial
principal balance of the  Class M Certificates that  would be outstanding  after
each of the dates shown at various constant percentages of SPA.
 
                                      S-67
<PAGE>
 PERCENTAGE OF INITIAL CLASS A SUBCLASS PRINCIPAL BALANCE AND CLASS M PRINCIPAL
                            BALANCE OUTSTANDING FOR:
<TABLE>
<CAPTION>
                                                           CLASS A-1
                                                      CERTIFICATES AT THE
                                                     FOLLOWING PERCENTAGES
                                                            OF SPA
                DISTRIBUTION                  -----------------------------------
                    DATE                       0%    75%   125%  245%  375%  500%
         -------------------------            -----------------------------------
<S>                                           <C>    <C>   <C>   <C>   <C>   <C>
Initial.....................................
                                                100  100   100   100   100   100
December 1993...............................
                                                 96   89    85    74    74    74
December 1994...............................
                                                 92   68    53    17    10     0
December 1995...............................
                                                 87   40    11     0     0     0
December 1996...............................
                                                 82   13     0     0     0     0
December 1997...............................
                                                 76    0     0     0     0     0
December 1998...............................
                                                 70    0     0     0     0     0
December 1999...............................
                                                 63    0     0     0     0     0
December 2000...............................
                                                 56    0     0     0     0     0
December 2001...............................
                                                 48    0     0     0     0     0
December 2002...............................
                                                 40    0     0     0     0     0
December 2003...............................
                                                 30    0     0     0     0     0
December 2004...............................
                                                 20    0     0     0     0     0
December 2005...............................
                                                  9    0     0     0     0     0
December 2006...............................
                                                  0    0     0     0     0     0
December 2007...............................
                                                  0    0     0     0     0     0
December 2008...............................
                                                  0    0     0     0     0     0
December 2009...............................
                                                  0    0     0     0     0     0
December 2010...............................
                                                  0    0     0     0     0     0
December 2011...............................
                                                  0    0     0     0     0     0
December 2012...............................
                                                  0    0     0     0     0     0
December 2013...............................
                                                  0    0     0     0     0     0
December 2014...............................
                                                  0    0     0     0     0     0
December 2015...............................
                                                  0    0     0     0     0     0
December 2016...............................
                                                  0    0     0     0     0     0
December 2017...............................
                                                  0    0     0     0     0     0
December 2018...............................
                                                  0    0     0     0     0     0
December 2019...............................
                                                  0    0     0     0     0     0
December 2020...............................
                                                  0    0     0     0     0     0
December 2021...............................
                                                  0    0     0     0     0     0
December 2022...............................
                                                  0    0     0     0     0     0
Weighted Average
  Life (years)(1)...........................
                                               8.25  2.64  2.02  1.44  1.42  1.28
 
<CAPTION>
                                                           CLASS A-2
                                                      CERTIFICATES AT THE
                                                     FOLLOWING PERCENTAGES
                                                            OF SPA
                DISTRIBUTION                  -----------------------------------
                    DATE                       0%    75%   125%  245%  375%  500%
         -------------------------
<S>                                           <C>    <C>    <C>    <C>    <C>    <C>
 
                                                100  100   100   100   100   100
 
December 1993...............................
 
                                                100  100   100   100   100   100
 
December 1994...............................
 
                                                100  100   100   100   100    71
 
December 1995...............................
 
                                                100  100   100    37     0     0
 
December 1996...............................
 
                                                100  100    67     0     0     0
 
December 1997...............................
 
                                                100   85    26     0     0     0
 
December 1998...............................
 
                                                100   57     0     0     0     0
 
December 1999...............................
 
                                                100   31     0     0     0     0
 
December 2000...............................
 
                                                100    6     0     0     0     0
 
December 2001...............................
 
                                                100    0     0     0     0     0
 
December 2002...............................
 
                                                100    0     0     0     0     0
 
December 2003...............................
 
                                                100    0     0     0     0     0
 
December 2004...............................
 
                                                100    0     0     0     0     0
 
December 2005...............................
 
                                                100    0     0     0     0     0
 
December 2006...............................
 
                                                 97    0     0     0     0     0
 
December 2007...............................
 
                                                 82    0     0     0     0     0
 
December 2008...............................
 
                                                 66    0     0     0     0     0
 
December 2009...............................
 
                                                 49    0     0     0     0     0
 
December 2010...............................
 
                                                 30    0     0     0     0     0
 
December 2011...............................
 
                                                  9    0     0     0     0     0
 
December 2012...............................
 
                                                  0    0     0     0     0     0
 
December 2013...............................
 
                                                  0    0     0     0     0     0
 
December 2014...............................
 
                                                  0    0     0     0     0     0
 
December 2015...............................
 
                                                  0    0     0     0     0     0
 
December 2016...............................
 
                                                  0    0     0     0     0     0
 
December 2017...............................
 
                                                  0    0     0     0     0     0
 
December 2018...............................
 
                                                  0    0     0     0     0     0
 
December 2019...............................
 
                                                  0    0     0     0     0     0
 
December 2020...............................
 
                                                  0    0     0     0     0     0
 
December 2021...............................
 
                                                  0    0     0     0     0     0
 
December 2022...............................
 
                                                  0    0     0     0     0     0
 
Weighted Average
  Life (years)(1)...........................
 
                                              16.86  6.36  4.47  2.89  2.58  2.19
 
<CAPTION>
                                                            CLASS A-3
                                                       CERTIFICATES AT THE
                                                      FOLLOWING PERCENTAGES
                                                             OF SPA
                DISTRIBUTION                  -------------------------------------
                    DATE                       0%     75%   125%   245%  375%  500%
         -------------------------
                                              -------------------------------------
Initial.....................................
 
                                                100    100    100  100   100   100
 
December 1993...............................
 
                                                100    100    100  100   100   100
 
December 1994...............................
 
                                                100    100    100  100   100   100
 
December 1995...............................
 
                                                100    100    100  100    97     3
 
December 1996...............................
 
                                                100    100    100   50     0     0
 
December 1997...............................
 
                                                100    100    100    0     0     0
 
December 1998...............................
 
                                                100    100     83    0     0     0
 
December 1999...............................
 
                                                100    100     34    0     0     0
 
December 2000...............................
 
                                                100    100      0    0     0     0
 
December 2001...............................
 
                                                100     75      0    0     0     0
 
December 2002...............................
 
                                                100     42      0    0     0     0
 
December 2003...............................
 
                                                100     11      0    0     0     0
 
December 2004...............................
 
                                                100      0      0    0     0     0
 
December 2005...............................
 
                                                100      0      0    0     0     0
 
December 2006...............................
 
                                                100      0      0    0     0     0
 
December 2007...............................
 
                                                100      0      0    0     0     0
 
December 2008...............................
 
                                                100      0      0    0     0     0
 
December 2009...............................
 
                                                100      0      0    0     0     0
 
December 2010...............................
 
                                                100      0      0    0     0     0
 
December 2011...............................
 
                                                100      0      0    0     0     0
 
December 2012...............................
 
                                                 81      0      0    0     0     0
 
December 2013...............................
 
                                                 45      0      0    0     0     0
 
December 2014...............................
 
                                                  6      0      0    0     0     0
 
December 2015...............................
 
                                                  0      0      0    0     0     0
 
December 2016...............................
 
                                                  0      0      0    0     0     0
 
December 2017...............................
 
                                                  0      0      0    0     0     0
 
December 2018...............................
 
                                                  0      0      0    0     0     0
 
December 2019...............................
 
                                                  0      0      0    0     0     0
 
December 2020...............................
 
                                                  0      0      0    0     0     0
 
December 2021...............................
 
                                                  0      0      0    0     0     0
 
December 2022...............................
 
                                                  0      0      0    0     0     0
 
Weighted Average
  Life (years)(1)...........................
 
                                              20.89   9.83   6.74  4.06  3.39  2.80
 
<CAPTION>
                                                      CLASS A-4 AND CLASS A-5
                                                        CERTIFICATES AT THE
                                                       FOLLOWING PERCENTAGES
                                                              OF SPA
                DISTRIBUTION                  ---------------------------------------
                    DATE                       0%     75%   125%   245%   375%   500%
         -------------------------
                                              ---------------------------------------
Initial.....................................
 
                                                100    100    100    100    100  100
December 1993...............................
 
                                                 98     96     94     90     90   90
December 1994...............................
 
                                                 97     87     81     67     64   50
December 1995...............................
 
                                                 95     76     64     38     24    1
December 1996...............................
 
                                                 93     65     48     12      0    0
December 1997...............................
 
                                                 91     55     34      0      0    0
December 1998...............................
 
                                                 88     45     20      0      0    0
December 1999...............................
 
                                                 85     36      8      0      0    0
December 2000...............................
 
                                                 83     27      0      0      0    0
December 2001...............................
 
                                                 79     18      0      0      0    0
December 2002...............................
 
                                                 76     10      0      0      0    0
December 2003...............................
 
                                                 72      3      0      0      0    0
December 2004...............................
 
                                                 68      0      0      0      0    0
December 2005...............................
 
                                                 64      0      0      0      0    0
December 2006...............................
 
                                                 59      0      0      0      0    0
December 2007...............................
 
                                                 54      0      0      0      0    0
December 2008...............................
 
                                                 48      0      0      0      0    0
December 2009...............................
 
                                                 42      0      0      0      0    0
December 2010...............................
 
                                                 35      0      0      0      0    0
December 2011...............................
 
                                                 28      0      0      0      0    0
December 2012...............................
 
                                                 20      0      0      0      0    0
December 2013...............................
 
                                                 11      0      0      0      0    0
December 2014...............................
 
                                                  2      0      0      0      0    0
December 2015...............................
 
                                                  0      0      0      0      0    0
December 2016...............................
 
                                                  0      0      0      0      0    0
December 2017...............................
 
                                                  0      0      0      0      0    0
December 2018...............................
 
                                                  0      0      0      0      0    0
December 2019...............................
 
                                                  0      0      0      0      0    0
December 2020...............................
 
                                                  0      0      0      0      0    0
December 2021...............................
 
                                                  0      0      0      0      0    0
December 2022...............................
 
                                                  0      0      0      0      0    0
Weighted Average
  Life (years)(1)...........................
 
                                              14.42   5.73   4.05   2.60   2.31  1.98
 
<CAPTION>
Initial.....................................
</TABLE>
 
- ------------------
(1) The  weighted average  life of an  Offered Certificate is  determined by (i)
    multiplying the  amount  of  each distribution  in  reduction  of  principal
    balance  by  the number  of  years from  the date  of  the issuance  of such
    Certificate to the related  Distribution Date, (ii)  adding the results  and
    (iii)  dividing  the  sum by  the  aggregate distributions  in  reduction of
    principal balance referred to in clause (i).
 
                                      S-68
<PAGE>
 PERCENTAGE OF INITIAL CLASS A SUBCLASS PRINCIPAL BALANCE AND CLASS M PRINCIPAL
                            BALANCE OUTSTANDING FOR:
<TABLE>
<CAPTION>
                                                      CLASS A-6 AND CLASS A-7
                                                        CERTIFICATES AT THE
                                                       FOLLOWING PERCENTAGES
                                                               OF SPA
                DISTRIBUTION                  ----------------------------------------
                    DATE                       0%     75%   125%   245%   375%   500%
         -------------------------            ----------------------------------------
<S>                                           <C>    <C>    <C>    <C>    <C>    <C>
Initial.....................................
                                                100    100    100    100    100    100
December 1993...............................
                                                100    100    100    100    100    100
December 1994...............................
                                                100    100    100    100    100    100
December 1995...............................
                                                100    100    100    100    100    100
December 1996...............................
                                                100    100    100    100     77      6
December 1997...............................
                                                100    100    100     74     10      0
December 1998...............................
                                                100    100    100     26      0      0
December 1999...............................
                                                100    100    100      0      0      0
December 2000...............................
                                                100    100     93      0      0      0
December 2001...............................
                                                100    100     66      0      0      0
December 2002...............................
                                                100    100     42      0      0      0
December 2003...............................
                                                100    100     19      0      0      0
December 2004...............................
                                                100     87      0      0      0      0
December 2005...............................
                                                100     67      0      0      0      0
December 2006...............................
                                                100     48      0      0      0      0
December 2007...............................
                                                100     29      0      0      0      0
December 2008...............................
                                                100     11      0      0      0      0
December 2009...............................
                                                100      0      0      0      0      0
December 2010...............................
                                                100      0      0      0      0      0
December 2011...............................
                                                100      0      0      0      0      0
December 2012...............................
                                                100      0      0      0      0      0
December 2013...............................
                                                100      0      0      0      0      0
December 2014...............................
                                                100      0      0      0      0      0
December 2015...............................
                                                 76      0      0      0      0      0
December 2016...............................
                                                 45      0      0      0      0      0
December 2017...............................
                                                 11      0      0      0      0      0
December 2018...............................
                                                  0      0      0      0      0      0
December 2019...............................
                                                  0      0      0      0      0      0
December 2020...............................
                                                  0      0      0      0      0      0
December 2021...............................
                                                  0      0      0      0      0      0
December 2022...............................
                                                  0      0      0      0      0      0
Weighted Average
  Life (years)(1)...........................
                                              23.86  13.98   9.75   5.57   4.45   3.56
 
<CAPTION>
                                                             CLASS A-8
                                                        CERTIFICATES AT THE
                                                       FOLLOWING PERCENTAGES
                                                               OF SPA
                DISTRIBUTION                  ----------------------------------------
                    DATE                       0%     75%   125%   245%   375%   500%
         -------------------------
<S>                                           <C>    <C>    <C>    <C>    <C>    <C>
 
                                                100    100    100    100    100    100
 
December 1993...............................
 
                                                100    100    100    100    100    100
 
December 1994...............................
 
                                                100    100    100    100    100    100
 
December 1995...............................
 
                                                100    100    100    100    100    100
 
December 1996...............................
 
                                                100    100    100    100    100    100
 
December 1997...............................
 
                                                100    100    100    100    100      0
 
December 1998...............................
 
                                                100    100    100    100      6      0
 
December 1999...............................
 
                                                100    100    100     68      0      0
 
December 2000...............................
 
                                                100    100    100      0      0      0
 
December 2001...............................
 
                                                100    100    100      0      0      0
 
December 2002...............................
 
                                                100    100    100      0      0      0
 
December 2003...............................
 
                                                100    100    100      0      0      0
 
December 2004...............................
 
                                                100    100     95      0      0      0
 
December 2005...............................
 
                                                100    100     47      0      0      0
 
December 2006...............................
 
                                                100    100      3      0      0      0
 
December 2007...............................
 
                                                100    100      0      0      0      0
 
December 2008...............................
 
                                                100    100      0      0      0      0
 
December 2009...............................
 
                                                100     85      0      0      0      0
 
December 2010...............................
 
                                                100     43      0      0      0      0
 
December 2011...............................
 
                                                100      3      0      0      0      0
 
December 2012...............................
 
                                                100      0      0      0      0      0
 
December 2013...............................
 
                                                100      0      0      0      0      0
 
December 2014...............................
 
                                                100      0      0      0      0      0
 
December 2015...............................
 
                                                100      0      0      0      0      0
 
December 2016...............................
 
                                                100      0      0      0      0      0
 
December 2017...............................
 
                                                100      0      0      0      0      0
 
December 2018...............................
 
                                                 38      0      0      0      0      0
 
December 2019...............................
 
                                                  0      0      0      0      0      0
 
December 2020...............................
 
                                                  0      0      0      0      0      0
 
December 2021...............................
 
                                                  0      0      0      0      0      0
 
December 2022...............................
 
                                                  0      0      0      0      0      0
 
Weighted Average
  Life (years)(1)...........................
 
                                              25.92  17.90  13.00   7.27   5.66   4.40
 
<CAPTION>
                                                      CLASS A-9 AND CLASS A-11
                                                        CERTIFICATES AT THE
                                                       FOLLOWING PERCENTAGES
                                                               OF SPA
                DISTRIBUTION                  ----------------------------------------
                    DATE                       0%     75%   125%   245%   375%   500%
         -------------------------
                                              ----------------------------------------
Initial.....................................
 
                                                100    100    100    100    100    100
 
December 1993...............................
 
                                                100    100    100    100    100    100
 
December 1994...............................
 
                                                100    100    100    100    100    100
 
December 1995...............................
 
                                                100    100    100    100    100    100
 
December 1996...............................
 
                                                100    100    100    100    100    100
 
December 1997...............................
 
                                                100    100    100    100    100     78
 
December 1998...............................
 
                                                100    100    100    100    100     33
 
December 1999...............................
 
                                                100    100    100    100     64      4
 
December 2000...............................
 
                                                100    100    100     95     37      0
 
December 2001...............................
 
                                                100    100    100     67     18      0
 
December 2002...............................
 
                                                100    100    100     44      5      0
 
December 2003...............................
 
                                                100    100    100     24      0      0
 
December 2004...............................
 
                                                100    100    100      8      0      0
 
December 2005...............................
 
                                                100    100    100      0      0      0
 
December 2006...............................
 
                                                100    100    100      0      0      0
 
December 2007...............................
 
                                                100    100     83      0      0      0
 
December 2008...............................
 
                                                100    100     66      0      0      0
 
December 2009...............................
 
                                                100    100     51      0      0      0
 
December 2010...............................
 
                                                100    100     36      0      0      0
 
December 2011...............................
 
                                                100    100     23      0      0      0
 
December 2012...............................
 
                                                100     84     10      0      0      0
 
December 2013...............................
 
                                                100     66      0      0      0      0
 
December 2014...............................
 
                                                100     49      0      0      0      0
 
December 2015...............................
 
                                                100     33      0      0      0      0
 
December 2016...............................
 
                                                100     17      0      0      0      0
 
December 2017...............................
 
                                                100      1      0      0      0      0
 
December 2018...............................
 
                                                100      0      0      0      0      0
 
December 2019...............................
 
                                                 73      0      0      0      0      0
 
December 2020...............................
 
                                                 26      0      0      0      0      0
 
December 2021...............................
 
                                                  0      0      0      0      0      0
 
December 2022...............................
 
                                                  0      0      0      0      0      0
 
Weighted Average
  Life (years)(1)...........................
 
                                              27.54  22.04  17.23   9.92   7.76   5.72
 
<CAPTION>
                                                             CLASS A-10
                                                        CERTIFICATES AT THE
                                                       FOLLOWING PERCENTAGES
                                                               OF SPA
                DISTRIBUTION                  ----------------------------------------
                    DATE                       0%     75%   125%   245%   375%   500%
         -------------------------
                                              ----------------------------------------
Initial.....................................
 
                                                100    100    100    100    100    100
December 1993...............................
 
                                                100    100    100    100    100    100
December 1994...............................
 
                                                100    100    100    100    100    100
December 1995...............................
 
                                                100    100    100    100    100    100
December 1996...............................
 
                                                100    100    100    100    100    100
December 1997...............................
 
                                                100    100    100    100    100    100
December 1998...............................
 
                                                100    100    100    100    100    100
December 1999...............................
 
                                                100    100    100    100    100    100
December 2000...............................
 
                                                100    100    100    100    100     65
December 2001...............................
 
                                                100    100    100    100    100     40
December 2002...............................
 
                                                100    100    100    100    100     28
December 2003...............................
 
                                                100    100    100    100     86     19
December 2004...............................
 
                                                100    100    100    100     65     13
December 2005...............................
 
                                                100    100    100     84     49      9
December 2006...............................
 
                                                100    100    100     53     37      6
December 2007...............................
 
                                                100    100    100     26     28      4
December 2008...............................
 
                                                100    100    100      4     21      3
December 2009...............................
 
                                                100    100    100      0     15      2
December 2010...............................
 
                                                100    100    100      0     11      1
December 2011...............................
 
                                                100    100    100      0      8      1
December 2012...............................
 
                                                100    100    100      0      6      1
December 2013...............................
 
                                                100    100     96      0      4      0
December 2014...............................
 
                                                100    100     67      0      3      0
December 2015...............................
 
                                                100    100     40      0      2      0
December 2016...............................
 
                                                100    100     15      0      2      0
December 2017...............................
 
                                                100    100      0      0      1      0
December 2018...............................
 
                                                100     59      0      0      1      0
December 2019...............................
 
                                                100     17      0      0      0      0
December 2020...............................
 
                                                100      0      0      0      0      0
December 2021...............................
 
                                                 31      0      0      0      0      0
December 2022...............................
 
                                                  0      0      0      0      0      0
Weighted Average
  Life (years)(1)...........................
 
                                              28.92  26.27  22.71  14.23  13.96   9.47
 
<CAPTION>
Initial.....................................
</TABLE>
 
- ------------------
(1) The weighted average  life of an  Offered Certificate is  determined by  (i)
    multiplying  the  amount  of  each distribution  in  reduction  of principal
    balance by  the number  of  years from  the date  of  the issuance  of  such
    Certificate  to the related  Distribution Date, (ii)  adding the results and
    (iii) dividing  the  sum by  the  aggregate distributions  in  reduction  of
    principal balance referred to in clause (i).
 
                                      S-69
<PAGE>
 
 PERCENTAGE OF INITIAL CLASS A SUBCLASS PRINCIPAL BALANCE AND CLASS M PRINCIPAL
                            BALANCE OUTSTANDING FOR:
<TABLE>
<CAPTION>
                                                             CLASS A-12
                                                        CERTIFICATES AT THE
                                                       FOLLOWING PERCENTAGES
                                                               OF SPA
                DISTRIBUTION                  ----------------------------------------
                    DATE                       0%     75%   125%   245%   375%   500%
         -------------------------            ----------------------------------------
<S>                                           <C>    <C>    <C>    <C>    <C>    <C>
Initial.....................................
                                                100    100    100    100    100    100
December 1993...............................
                                                100     99     98     97     97     97
December 1994...............................
                                                 99     96     95     91     90     86
December 1995...............................
                                                 99     93     90     82     78     72
December 1996...............................
                                                 98     90     85     75     60     23
December 1997...............................
                                                 97     87     81     58     25      0
December 1998...............................
                                                 97     84     78     33      1      0
December 1999...............................
                                                 96     82     74     14      0      0
December 2000...............................
                                                 95     79     68      0      0      0
December 2001...............................
                                                 94     77     54      0      0      0
December 2002...............................
                                                 93     75     41      0      0      0
December 2003...............................
                                                 92     73     29      0      0      0
December 2004...............................
                                                 91     65     19      0      0      0
December 2005...............................
                                                 90     54      9      0      0      0
December 2006...............................
                                                 88     44      1      0      0      0
December 2007...............................
                                                 87     35      0      0      0      0
December 2008...............................
                                                 85     26      0      0      0      0
December 2009...............................
                                                 84     17      0      0      0      0
December 2010...............................
                                                 82      9      0      0      0      0
December 2011...............................
                                                 80      1      0      0      0      0
December 2012...............................
                                                 77      0      0      0      0      0
December 2013...............................
                                                 75      0      0      0      0      0
December 2014...............................
                                                 72      0      0      0      0      0
December 2015...............................
                                                 59      0      0      0      0      0
December 2016...............................
                                                 42      0      0      0      0      0
December 2017...............................
                                                 26      0      0      0      0      0
December 2018...............................
                                                  8      0      0      0      0      0
December 2019...............................
                                                  0      0      0      0      0      0
December 2020...............................
                                                  0      0      0      0      0      0
December 2021...............................
                                                  0      0      0      0      0      0
December 2022...............................
                                                  0      0      0      0      0      0
Weighted Average
  Life (years)(1)...........................
                                              21.59  12.41   8.78   5.06   4.08   3.28
 
<CAPTION>
                                                             CLASS A-13
                                                        CERTIFICATES AT THE
                                                       FOLLOWING PERCENTAGES
                                                               OF SPA
                DISTRIBUTION                  ----------------------------------------
                    DATE                       0%     75%   125%   245%   375%   500%
         -------------------------
<S>                                           <C>    <C>    <C>    <C>    <C>    <C>
 
                                                100    100    100    100    100    100
 
December 1993...............................
 
                                                100    100    100    100    100    100
 
December 1994...............................
 
                                                100    100    100    100    100    100
 
December 1995...............................
 
                                                100    100    100    100    100    100
 
December 1996...............................
 
                                                100    100    100    100    100     59
 
December 1997...............................
 
                                                100    100    100    100     65      0
 
December 1998...............................
 
                                                100    100    100     86      3      0
 
December 1999...............................
 
                                                100    100    100     35      0      0
 
December 2000...............................
 
                                                100    100    100      0      0      0
 
December 2001...............................
 
                                                100    100    100      0      0      0
 
December 2002...............................
 
                                                100    100    100      0      0      0
 
December 2003...............................
 
                                                100    100     76      0      0      0
 
December 2004...............................
 
                                                100    100     49      0      0      0
 
December 2005...............................
 
                                                100    100     25      0      0      0
 
December 2006...............................
 
                                                100    100      2      0      0      0
 
December 2007...............................
 
                                                100     90      0      0      0      0
 
December 2008...............................
 
                                                100     67      0      0      0      0
 
December 2009...............................
 
                                                100     44      0      0      0      0
 
December 2010...............................
 
                                                100     23      0      0      0      0
 
December 2011...............................
 
                                                100      1      0      0      0      0
 
December 2012...............................
 
                                                100      0      0      0      0      0
 
December 2013...............................
 
                                                100      0      0      0      0      0
 
December 2014...............................
 
                                                100      0      0      0      0      0
 
December 2015...............................
 
                                                100      0      0      0      0      0
 
December 2016...............................
 
                                                100      0      0      0      0      0
 
December 2017...............................
 
                                                 66      0      0      0      0      0
 
December 2018...............................
 
                                                 20      0      0      0      0      0
 
December 2019...............................
 
                                                  0      0      0      0      0      0
 
December 2020...............................
 
                                                  0      0      0      0      0      0
 
December 2021...............................
 
                                                  0      0      0      0      0      0
 
December 2022...............................
 
                                                  0      0      0      0      0      0
 
Weighted Average
  Life (years)(1)...........................
 
                                              25.40  16.82  12.07   6.78   5.30   4.16
 
<CAPTION>
                                                     CLASS A-14 AND CLASS A-15
                                                        CERTIFICATES AT THE
                                                       FOLLOWING PERCENTAGES
                                                              OF SPA
                DISTRIBUTION                  ---------------------------------------
                    DATE                       0%     75%   125%   245%   375%  500%
         -------------------------
                                              ---------------------------------------
Initial.....................................
 
                                                100    100    100    100  100     100
 
December 1993...............................
 
                                                100    100    100    100   62      25
 
December 1994...............................
 
                                                100    100    100    100    0       0
 
December 1995...............................
 
                                                100    100    100    100    0       0
 
December 1996...............................
 
                                                100    100    100    100    0       0
 
December 1997...............................
 
                                                100    100    100    100    0       0
 
December 1998...............................
 
                                                100    100    100    100    0       0
 
December 1999...............................
 
                                                100    100    100    100    0       0
 
December 2000...............................
 
                                                100    100    100    100    0       0
 
December 2001...............................
 
                                                100    100    100    100    0       0
 
December 2002...............................
 
                                                100    100    100    100    0       0
 
December 2003...............................
 
                                                100    100    100    100    0       0
 
December 2004...............................
 
                                                100    100    100    100    0       0
 
December 2005...............................
 
                                                100    100    100    100    0       0
 
December 2006...............................
 
                                                100    100    100    100    0       0
 
December 2007...............................
 
                                                100    100    100    100    0       0
 
December 2008...............................
 
                                                100    100    100    100    0       0
 
December 2009...............................
 
                                                100    100    100     85    0       0
 
December 2010...............................
 
                                                100    100    100     69    0       0
 
December 2011...............................
 
                                                100    100    100     56    0       0
 
December 2012...............................
 
                                                100    100    100     45    0       0
 
December 2013...............................
 
                                                100    100    100     36    0       0
 
December 2014...............................
 
                                                100    100    100     28    0       0
 
December 2015...............................
 
                                                100    100    100     22    0       0
 
December 2016...............................
 
                                                100    100    100     16    0       0
 
December 2017...............................
 
                                                100    100     91     12    0       0
 
December 2018...............................
 
                                                100    100     70      9    0       0
 
December 2019...............................
 
                                                100    100     50      6    0       0
 
December 2020...............................
 
                                                100     76     31      3    0       0
 
December 2021...............................
 
                                                100     35     14      1    0       0
 
December 2022...............................
 
                                                  0      0      0      0    0       0
 
Weighted Average
  Life (years)(1)...........................
 
                                              29.60  28.69  27.13  20.43  1.16   0.79
 
<CAPTION>
                                                         CLASS A-R AND A-LR
                                                        CERTIFICATES AT THE
                                                       FOLLOWING PERCENTAGES
                                                               OF SPA
                DISTRIBUTION                  ----------------------------------------
                    DATE                       0%     75%   125%   245%   375%   500%
         -------------------------
                                              ----------------------------------------
Initial.....................................
 
                                                100    100    100    100    100    100
 
December 1993...............................
 
                                                100    100    100    100    100    100
 
December 1994...............................
 
                                                100    100    100    100    100    100
 
December 1995...............................
 
                                                100    100    100    100    100    100
 
December 1996...............................
 
                                                100    100    100    100    100    100
 
December 1997...............................
 
                                                100    100    100    100    100    100
 
December 1998...............................
 
                                                100    100    100    100    100    100
 
December 1999...............................
 
                                                100    100    100    100    100    100
 
December 2000...............................
 
                                                100    100    100    100    100    100
 
December 2001...............................
 
                                                100    100    100    100    100    100
 
December 2002...............................
 
                                                100    100    100    100    100    100
 
December 2003...............................
 
                                                100    100    100    100    100    100
 
December 2004...............................
 
                                                100    100    100    100    100    100
 
December 2005...............................
 
                                                100    100    100    100    100    100
 
December 2006...............................
 
                                                100    100    100    100    100    100
 
December 2007...............................
 
                                                100    100    100    100    100    100
 
December 2008...............................
 
                                                100    100    100    100    100    100
 
December 2009...............................
 
                                                100    100    100    100    100    100
 
December 2010...............................
 
                                                100    100    100    100    100    100
 
December 2011...............................
 
                                                100    100    100    100    100    100
 
December 2012...............................
 
                                                100    100    100    100    100    100
 
December 2013...............................
 
                                                100    100    100    100    100    100
 
December 2014...............................
 
                                                100    100    100    100    100    100
 
December 2015...............................
 
                                                100    100    100    100    100    100
 
December 2016...............................
 
                                                100    100    100    100    100    100
 
December 2017...............................
 
                                                100    100    100    100    100    100
 
December 2018...............................
 
                                                100    100    100    100    100    100
 
December 2019...............................
 
                                                100    100    100    100    100     86
 
December 2020...............................
 
                                                100    100    100    100    100     41
 
December 2021...............................
 
                                                100    100    100    100    100     14
 
December 2022...............................
 
                                                  0      0      0      0      0      0
 
Weighted Average
  Life (years)(1)...........................
 
                                              30.01  30.01  30.01  29.97  29.81  27.97
 
<CAPTION>
                                                              CLASS M
                                                        CERTIFICATES AT THE
                                                       FOLLOWING PERCENTAGES
                                                               OF SPA
                DISTRIBUTION                  ----------------------------------------
                    DATE                       0%     75%   125%   245%   375%   500%
         -------------------------
                                              ----------------------------------------
Initial.....................................
 
                                                100    100    100    100    100    100
December 1993...............................
 
                                                 99     99     99     99     99     99
December 1994...............................
 
                                                 98     98     98     98     98     98
December 1995...............................
 
                                                 98     98     98     98     98     98
December 1996...............................
 
                                                 97     97     97     97     97     97
December 1997...............................
 
                                                 95     95     95     95     95     95
December 1998...............................
 
                                                 94     93     92     90     87     85
December 1999...............................
 
                                                 93     90     88     83     78     73
December 2000...............................
 
                                                 92     86     83     75     66     58
December 2001...............................
 
                                                 90     82     77     65     53     43
December 2002...............................
 
                                                 89     77     70     54     40     29
December 2003...............................
 
                                                 87     72     63     45     31     20
December 2004...............................
 
                                                 85     67     57     38     23     14
December 2005...............................
 
                                                 83     62     51     31     18      9
December 2006...............................
 
                                                 80     58     46     26     13      6
December 2007...............................
 
                                                 78     54     41     22     10      4
December 2008...............................
 
                                                 75     49     37     18      7      3
December 2009...............................
 
                                                 72     45     33     15      6      2
December 2010...............................
 
                                                 69     41     29     12      4      1
December 2011...............................
 
                                                 66     38     26     10      3      1
December 2012...............................
 
                                                 62     34     22      8      2      1
December 2013...............................
 
                                                 58     30     19      6      2      0
December 2014...............................
 
                                                 53     26     16      5      1      0
December 2015...............................
 
                                                 48     23     14      4      1      0
December 2016...............................
 
                                                 43     19     11      3      1      0
December 2017...............................
 
                                                 37     16      9      2      0      0
December 2018...............................
 
                                                 31     13      7      1      0      0
December 2019...............................
 
                                                 24      9      5      1      0      0
December 2020...............................
 
                                                 16      6      3      1      0      0
December 2021...............................
 
                                                  8      3      1      0      0      0
December 2022...............................
 
                                                  0      0      0      0      0      0
Weighted Average
  Life (years)(1)...........................
 
                                              20.73  16.37  14.43  11.54   9.87   8.91
 
<CAPTION>
Initial.....................................
</TABLE>
 
- ------------------
(1) The  weighted average  life of an  Offered Certificate is  determined by (i)
    multiplying the  amount  of  each distribution  in  reduction  of  principal
    balance  by  the number  of  years from  the date  of  the issuance  of such
    Certificate to the related  Distribution Date, (ii)  adding the results  and
    (iii)  dividing  the  sum by  the  aggregate distributions  in  reduction of
    principal balance referred to in clause (i).
 
                                      S-70
<PAGE>
    Interest on Mortgage Loans prepaid  in full is accrued  only to the date  of
such  prepayment in full. Any interest  shortfall with respect to prepayments in
full will be offset only  to the extent of the  aggregate of the Servicing  Fees
relating  to mortgagor payments  or other recoveries  distributed on the related
Distribution Date. Any excess of such shortfall above the Servicing Fees in  any
month  will result  in a  pro rata  reduction of  interest distributable  to the
holders of each Subclass  of Class A  Certificates, the holders  of the Class  M
Certificates  and the holders  of the Class  B Certificates. Interest shortfalls
resulting from the timing of the receipt of partial principal prepayments on the
Mortgage Loans or from net liquidation  proceeds in respect of Liquidated  Loans
will  not be offset by Servicing Fees but will be allocated first to the Class B
Certificates until  the Class  B Principal  Balance has  been reduced  to  zero,
second  to the Class M Certificates until the Class M Principal Balance has been
reduced to  zero and  finally to  the Subclasses  of Class  A Certificates.  See
"Description  of the  Certificates--Interest" herein  and "Prepayment  and Yield
Considerations" in the Prospectus.
 
    Interest accrued on the Class A and Class M Certificates will be reduced  by
the  amount  of  any interest  portions  of  Realized Losses  allocated  to such
Certificates as  described  under "Description  of  the  Certificates--Interest"
herein.  The yield on the Class A  Certificates (other than the Class A-4, Class
A-5, Class A-14 and Class A-15  Certificates) and the Class M Certificates  will
be less than the yield otherwise produced by their respective Pass-Through Rates
and  the prices  at which  the Class  A and  Class M  Certificates are purchased
because the interest which accrues on the Mortgage Loans during each month  will
not  be passed  through to  Certificateholders until the  25th day  of the month
following the end of such month (or if such 25th day is not a business day,  the
following business day).
 
SENSITIVITY OF THE CLASS A-5 AND CLASS A-15 CERTIFICATES
 
    THE  YIELD  TO  INVESTORS  IN  THE CLASS  A-5  CERTIFICATES  WILL  BE HIGHLY
SENSITIVE TO THE LEVEL OF LIBOR AND TO THE RATE AND TIMING OF PRINCIPAL PAYMENTS
(INCLUDING  PREPAYMENTS)  OF  THE  MORTGAGE  LOANS,  WHICH  RATE  MAY  FLUCTUATE
SIGNIFICANTLY FROM TIME TO TIME. IN PARTICULAR, THERE MAY BE A MATERIAL NEGATIVE
EFFECT  ON THE YIELD TO  INVESTORS IN THE CLASS A-5  CERTIFICATES AS A RESULT OF
SMALL INCREASES IN THE LEVEL OF LIBOR OR AS A RESULT OF FASTER THAN  ANTICIPATED
PRINCIPAL PREPAYMENTS ON THE MORTGAGE LOANS. INVESTORS SHOULD FULLY CONSIDER THE
ASSOCIATED   RISKS,  INCLUDING  THE  RISK  THAT   INVESTORS  IN  THE  CLASS  A-5
CERTIFICATES MAY NOT FULLY RECOVER THEIR INITIAL INVESTMENTS.
 
    THE YIELD TO INVESTORS IN THE  CLASS A-15 CERTIFICATES WILL BE SENSITIVE  TO
THE  LEVEL OF LIBOR AND TO THE  RATE AND TIMING OF PRINCIPAL PAYMENTS (INCLUDING
PREPAYMENTS) OF THE MORTGAGE LOANS, WHICH RATE MAY FLUCTUATE SIGNIFICANTLY  FROM
TIME  TO TIME. A HIGH LEVEL OF LIBOR WILL HAVE A MATERIAL NEGATIVE EFFECT ON THE
YIELD TO INVESTORS IN THE CLASS A-15 CERTIFICATES.
 
    Since there can be no assurance that the level of LIBOR will correlate  with
the  levels of  prevailing mortgage  interest rates,  it is  possible that lower
prevailing  mortgage  rates,  which  might  be  expected  to  result  in  faster
prepayments, could occur concurrently with an increased level of LIBOR. However,
if,  as  generally  expected,  higher  mortgage  rates  and,  accordingly, lower
prepayment rates, were to occur concurrently  with an increased level of  LIBOR,
the  Pass-Through Rates of  the Class A-5  and Class A-15  Certificates would be
reduced at the  same time that  the rate  of distributions in  reduction of  the
principal  balance to  such Subclasses  may be  reduced. In  such circumstances,
investors in the Class A-5 and Class A-15 Certificates could have  significantly
lower yielding instruments with longer weighted average lives than anticipated.
 
    To  illustrate  the  significance  of  changes in  the  level  of  LIBOR and
prepayments on the Class A-5 and  Class A-15 Certificates, the following  tables
indicate  the pre-tax yields to maturity  (on a corporate bond equivalent basis)
under the  assumptions specified  in the  following paragraph  at the  different
constant  percentages of SPA and  the constant levels of  LIBOR indicated. It is
not likely that the Mortgage Loans will prepay at a CONSTANT level of SPA  until
maturity,  that all of the  Mortgage Loans will prepay at  the same rate or that
the level  of LIBOR  will remain  constant. As  discussed above,  the timing  of
changes   in  the  rate  of  prepayments  may  significantly  affect  the  total
distributions received, the date of receipt of such distributions and the actual
yield to maturity to an investor in a Class A-5 or Class A-15 Certificate,  even
if
 
                                      S-71
<PAGE>
the  average rate  of principal prepayments  is consistent  with such investor's
expectations. Moreover, the timing of changes  in the level of LIBOR may  affect
the  actual  yield to  maturity to  an investor  in  a Class  A-5 or  Class A-15
Certificate even  if  the  average  level is  consistent  with  such  investor's
expectation.
 
    The  following tables have been prepared on the basis of the assumptions set
forth in clauses  (i) through (vi)  of the  second full paragraph  on page  S-67
hereof,  and  the  additional  assumptions  that  (i)  the  respective aggregate
purchase prices for the Class A-5  and Class A-15 Certificates are 1700.00%  and
94.00% of the respective aggregate initial principal balances thereof, (ii) such
purchase   prices  are  paid  on  December  22,  1992  and  (iii)  on  the  Rate
Determination Date occurring in  January 1993 and  each Rate Determination  Date
thereafter,  LIBOR is at the  level specified. The Mortgage  Loans will not have
all of the characteristics assumed above and there can be no assurance that  the
Mortgage Loans will prepay at any of the constant rates shown in the table or at
any  other particular rate, that the pre-tax  yield to maturity on the Class A-5
or Class A-15 Certificates will correspond  to any of the amounts shown  herein,
that  the level of LIBOR will correspond to  the levels shown herein or that the
aggregate purchase  prices  of  the  Class  A-5  and  Class  A-15  Certificates,
respectively,  will be as assumed. The tables do not constitute a representation
as to the correlation of any level of LIBOR with any rate of prepayments on  the
Mortgage  Loans.  Each investor  must  make an  independent  decision as  to the
appropriate prepayment  assumptions to  be used  and the  appropriate levels  of
LIBOR  to be assumed in deciding whether or not to purchase a Class A-5 or Class
A-15 Certificate.
 
    The pre-tax yields set forth in the following tables were calculated by  (i)
determining the monthly discount rates which, when applied to the assumed stream
of  cash flows to  be paid on the  Class A-5 or Class  A-15 Certificates, as the
case may be, would cause the discounted present value of such assumed stream  of
cash  flows to equal an assumed aggregate purchase price of 1700.00% in the case
of the  Class  A-5  Certificates and  94.00%  in  the case  of  the  Class  A-15
Certificates, of the respective aggregate initial principal balances thereof and
(ii)  converting such  monthly rates  to corporate  bond equivalent  rates. Such
calculation does not take into account the interest rates at which investors may
be able to reinvest funds received by them as distributions on the Class A-5  or
Class  A-15 Certificates and consequently does not purport to reflect the return
on any investment in Class A-5 or Class A-15 Certificates when such reinvestment
rates are considered.
 
       SENSITIVITY OF THE CLASS A-5 CERTIFICATES TO PREPAYMENTS AND LIBOR
                                 PRE-TAX YIELDS
 
<TABLE>
<CAPTION>
                                                  PERCENTAGES OF SPA
                            ---------------------------------------------------------------
     LEVELS OF LIBOR           0%        75%        125%       245%       375%       500%
- --------------------------  --------   --------   --------   --------   --------   --------
<S>                         <C>        <C>        <C>        <C>        <C>        <C>
2.25%.....................   92.47%     85.32%     80.04%     66.44%     62.02%     52.79%
3.25%.....................   77.84%     70.32%     64.63%     50.10%     45.09%     35.27%
4.25%.....................   63.55%     55.50%     49.27%     33.58%     27.88%     17.44%
5.25%.....................   49.56%     40.77%     33.78%     16.65%     10.18%     (0.91)%
6.25%.....................   35.81%     25.91%     17.86%     (1.07)%    (8.43)%   (20.15)%
7.25%.....................   22.11%     10.39%      0.82%    (20.32)%   (28.65)%   (40.92)%
9.20% and above...........  (15.96)%   (34.34)%   (47.77)%   (71.82)%   (81.12)%   (92.55)%
</TABLE>
 
      SENSITIVITY OF THE CLASS A-15 CERTIFICATES TO PREPAYMENTS AND LIBOR
                                 PRE-TAX YIELDS
 
<TABLE>
<CAPTION>
                                                  PERCENTAGES OF SPA
                            ---------------------------------------------------------------
     LEVELS OF LIBOR           0%        75%        125%       245%       375%       500%
- --------------------------  --------   --------   --------   --------   --------   --------
<S>                         <C>        <C>        <C>        <C>        <C>        <C>
2.25%.....................   22.61%     22.61%     22.61%     22.63%     27.65%     30.28%
3.25%.....................   19.60%     19.60%     19.60%     19.62%     24.86%     27.58%
4.25%.....................   16.60%     16.60%     16.61%     16.64%     22.09%     24.89%
5.25%.....................   13.63%     13.63%     13.64%     13.68%     19.34%     22.23%
6.25%.....................   10.68%     10.69%     10.70%     10.76%     16.61%     19.58%
7.25%.....................    7.77%      7.78%      7.79%      7.86%     13.91%     16.96%
9.90% and above...........    0.26%      0.27%      0.29%      0.38%      6.84%     10.10%
</TABLE>
 
                                      S-72
<PAGE>
SENSITIVITY OF THE CLASS A-6 CERTIFICATE
 
    THE YIELD  TO  AN INVESTOR  ON  THE CLASS  A-6  CERTIFICATE WILL  BE  HIGHLY
SENSITIVE  TO BOTH THE TIMING OF RECEIPT  OF PREPAYMENTS AND THE OVERALL RATE OF
PRINCIPAL  PREPAYMENT  ON   THE  MORTGAGE  LOANS,   WHICH  RATE  MAY   FLUCTUATE
SIGNIFICANTLY  FROM  TIME  TO  TIME.  AN  INVESTOR  SHOULD  FULLY  CONSIDER  THE
ASSOCIATED RISKS, INCLUDING  THE RISK THAT  A RAPID RATE  OF PRINCIPAL  PAYMENTS
(INCLUDING  PREPAYMENTS) COULD RESULT IN THE FAILURE OF AN INVESTOR IN THE CLASS
A-6 CERTIFICATE TO FULLY RECOVER ITS INITIAL INVESTMENT.
 
    The following table indicates the sensitivity to various rates of prepayment
on the Mortgage  Loans of the  pre-tax yields  to maturity on  a corporate  bond
equivalent  ("CBE") basis  of the Class  A-6 Certificate.  Such calculations are
based on distributions made in accordance with "Description of the Certificates"
above, on the assumptions  described in clauses (i)  through (vi) of the  second
full  paragraph on page S-67  and on the further  assumptions that (i) the Class
A-6 Certificate will be purchased on December 22, 1992 at a purchase price equal
to 3800.00%  of the  initial aggregate  principal balance  thereof plus  accrued
interest thereon from December 1, 1992 to (but not including) December 22, 1992,
(ii)  the initial Class A Subclass Principal Balance of each Subclass of Class A
Certificates (other than the  Class A-16 Certificates) will  be as set forth  on
the cover hereof and (iii) distributions to holders of Class A Certificates will
be made on the 25th day of each month commencing in January 1993.
 
            SENSITIVITY OF THE CLASS A-6 CERTIFICATE TO PREPAYMENTS
 
<TABLE>
<CAPTION>
                                                       PERCENTAGES OF SPA
                                       ---------------------------------------------------
                                         0%      75%      125%     245%     375%     470%
                                       ------   ------   ------   ------   ------   ------
<S>                                    <C>      <C>      <C>      <C>      <C>      <C>
Pre-Tax Yields (CBE).................  27.45%   26.59%   24.43%   14.98%    7.64%   (0.07)%
</TABLE>
 
    The  pre-tax yields set forth in the  preceding table were calculated by (i)
determining the monthly discount rates which, when applied to the assumed stream
of cash  flows  to  be paid  on  the  Class A-6  Certificate,  would  cause  the
discounted  present  value of  such assumed  stream  of cash  flows to  equal an
assumed purchase price for  the Class A-6 Certificate  equal to 3800.00% of  the
initial  aggregate principal balance thereof  plus accrued interest thereon from
December 1, 1992 to  (but not including) December  22, 1992 and (ii)  converting
such monthly rates to corporate bond equivalent rates. Such calculation does not
take  into  account the  interest  rates at  which an  investor  may be  able to
reinvest funds received by it as distributions on the Class A-6 Certificate  and
consequently  does not purport  to reflect the  return on any  investment in the
Class A-6 Certificate when such reinvestment rates are considered.
 
    NOTWITHSTANDING THE  ASSUMED PREPAYMENT  RATES  REFLECTED IN  THE  PRECEDING
TABLE,  IT IS HIGHLY UNLIKELY THAT THE  MORTGAGE LOANS WILL PREPAY AT A CONSTANT
RATE UNTIL MATURITY OR THAT  ALL OF THE MORTGAGE LOANS  WILL PREPAY AT THE  SAME
TIME.  The Mortgage Loans initially included in the Trust Estate may differ from
those currently expected to be included in the Trust Estate, and thereafter  may
be changed as a result of permitted substitutions. As a result of these factors,
the  pre-tax yields on the Class A-6 Certificate are likely to differ from those
shown in such table, even if all  of the Mortgage Loans prepay at the  indicated
percentages of SPA.
 
                        POOLING AND SERVICING AGREEMENT
 
GENERAL
 
    The  Series 1992-47  Certificates will be  issued pursuant to  a Pooling and
Servicing Agreement to be dated as of the date of initial issuance of the Series
1992-47 Certificates (the "Pooling and  Servicing Agreement") among the  Seller,
the  Servicer and the Trustee. Reference is made to the Prospectus for important
additional information regarding  the terms  and conditions of  the Pooling  and
Servicing Agreement and the Series 1992-47 Certificates. See "Description of the
Certificates,"  "Servicing of the Mortgage Loans" and "The Pooling and Servicing
Agreement" in the Prospectus. Distributions  (other than the final  distribution
in  retirement of the Class  A Certificates of each Subclass  and of the Class M
Certificates) will be made by check mailed to the address of the person entitled
thereto as it appears on the Certificate Register. However, with respect to  any
holder  of  an  Offered  Certificate  (other  than  the  Class  A-6 Certificate)
evidencing at least a $5,000,000 initial principal balance and any holder of the
 
                                      S-73
<PAGE>
Class A-6 Certificate, distributions  will be made on  the Distribution Date  by
wire transfer in immediately available funds, provided that the Servicer, or the
paying  agent acting on behalf  of the Servicer, shall  have been furnished with
appropriate wiring instructions not less than  seven business days prior to  the
related Distribution Date. The final distribution in respect of each Class A and
Class  M Certificate will be  made only upon presentation  and surrender of such
Class A or Class M Certificate at the office or agency appointed by the  Trustee
specified  in  the notice  of  final distribution  with  respect to  the related
Subclass or Class.
 
    Unless Definitive Certificates are issued  as described above, the  Servicer
and  the Trustee will treat DTC as the Holder of the Book-Entry Certificates for
all purposes, including  making distributions  thereon and  taking actions  with
respect  thereto. DTC will make book-entry transfers among its participants with
respect to the Book-Entry  Certificates; it will  also receive distributions  on
the  Book-Entry Certificates from the Trustee  and transmit them to participants
for distribution to Beneficial Owners or their nominees.
 
VOTING
 
    With respect  to  any provisions  of  the Pooling  and  Servicing  Agreement
providing  for the  action, consent  or approval  of the  holders of  all Series
1992-47 Certificates evidencing specified Voting Interests in the Trust  Estate,
the  holders of the  Class A Certificates  will collectively be  entitled to the
then applicable Class A Percentage, and the holders of the Class M  Certificates
will collectively be entitled to the then applicable percentage of the aggregate
Voting  Interest  represented by  all  Series 1992-47  Certificates  obtained by
dividing the then-outstanding Class M Principal Balance by the sum of the  then-
outstanding  Class A  Principal Balance, Class  M Principal Balance  and Class B
Principal Balance and the holders of the Class B Certificates will  collectively
be  entitled to the balance of the  aggregate Voting Interest represented by all
Series 1992-47  Certificates. The  aggregate  Voting Interests  of the  Class  A
Certificates  other than the Class A-16 Certificates, on any date will be 97% of
the Class A Percentage on such date. The aggregate Voting Interest of the  Class
A-16 Certificates on any date will be 3% of the Class A Percentage on such date.
The  aggregate Voting Interests  of each Subclass of  Class A Certificates other
than the Class A-16 Certificates on any date will be equal to the product of (a)
97% of the  Class A Percentage  on such date  and (b) the  fraction obtained  by
dividing the Class A Subclass Principal Balance of such Subclass on such date by
the  aggregate Class  A Subclass Principal  Balance of the  Class A Certificates
other than  the Class  A-16  Certificates on  such  date. The  aggregate  Voting
Interests of the Class M Certificates on any date will be 100% of the percentage
described   above   for   the  Class   M   Certificates  on   such   date.  Each
Certificateholder of a Class  or Subclass will have  a Voting Interest equal  to
the  product  of  the  Voting  Interest  to  which  such  Class  or  Subclass is
collectively entitled  and the  Percentage Interest  in such  Class or  Subclass
represented by such holder's Certificates. With respect to any provisions of the
Pooling  and Servicing  Agreement providing for  action, consent  or approval of
each Class or  Subclass of Certificates  or specified Classes  or Subclasses  of
Certificates,  each Certificateholder of a Subclass  will have a Voting Interest
in such Subclass equal  to such holder's Percentage  Interest in such  Subclass.
Unless  Definitive Certificates are issued as described above, Beneficial Owners
of Book-Entry  Certificates  may  exercise  their  voting  rights  only  through
Participants.
 
TRUSTEE
 
    The Trustee for the Series 1992-47 Certificates will be First Trust National
Association,  a national banking association. The  Corporate Trust Office of the
Trustee is located at 180 East Fifth Street, St. Paul, Minnesota 55101. See "The
Pooling and Servicing Agreement--The Trustee" in the Prospectus.
 
SERVICING COMPENSATION AND PAYMENT OF EXPENSES
 
    The Servicing Fee paid to the Servicer with respect to the servicing of each
Mortgage Loan  included  in  the  Trust Estate  underlying  the  Series  1992-47
Certificates  and administrative services provided by it will be 0.20% per annum
of the  outstanding principal  balance  of each  such  Mortgage Loan.  No  Fixed
Retained  Yield (as defined in the Prospectus)  will be retained with respect to
any of the Mortgage Loans. See "Servicing of the Mortgage Loans--Fixed  Retained
Yield,  Servicing Compensation  and Payment of  Expenses" in  the Prospectus for
information regarding other possible compensation to the Servicer. The  Servicer
will  pay all routine expenses incurred  in connection with its responsibilities
under the  Pooling  and  Servicing  Agreement,  subject  to  certain  rights  of
reimbursement as described in the Prospectus.
 
                                      S-74
<PAGE>
The servicing fees and other expenses of the Upper-Tier REMIC and the Lower-Tier
REMIC  will be allocated to  the holders of the  Class A-R Certificate and Class
A-LR Certificate, respectively, who are individuals, estates, or trusts (whether
such Certificates are held directly or through certain pass-through entities) as
additional gross income without  a corresponding distribution  of cash, and  any
such  investor (or  its owners,  in the  case of  a pass-through  entity) may be
limited in its ability to deduct such expenses for regular tax purposes and  may
not  be able to deduct  such expenses to any  extent for alternative minimum tax
purposes. Unless and until applicable  authority provides otherwise, the  Seller
intends  to treat  all such  expenses as incurred  by the  Lower-Tier REMIC and,
therefore, as  allocable  to the  holder  of  the Class  A-LR  Certificate.  See
"Certain  Federal Income  Tax Consequences--Federal Income  Tax Consequences for
REMIC  Certificates--Limitations  on  Deduction  of  Certain  Expenses"  in  the
Prospectus.
 
OPTIONAL TERMINATION
 
    At its option, the Servicer may purchase from the Trust Estate all remaining
Mortgage  Loans,  and  thereby effect  early  retirement of  the  Series 1992-47
Certificates, on any Distribution Date when the Pool Scheduled Principal Balance
is less  than 10%  of the  Cut-Off Date  Aggregate Principal  Balance. Any  such
purchase  will be made only in connection  with a "qualified liquidation" of the
Upper-Tier REMIC  and  the  Lower-Tier  REMIC  within  the  meaning  of  Section
860F(a)(4)(A)  of the Code. The purchase price  will, generally, be equal to the
greater of (i) the unpaid principal balance of each Mortgage Loan plus the  fair
market  value of  other property in  the Trust  Estate and (ii)  the fair market
value of the  Trust Estate's assets  plus, in each  case, accrued interest.  See
"The  Pooling and Servicing Agreement--Termination;  Purchase of Mortgage Loans"
in the Prospectus.
 
                       FEDERAL INCOME TAX CONSIDERATIONS
 
    For federal  income tax  purposes,  the Trust  Estate  will consist  of  two
segregated  asset groupings, each of  which will qualify as  a REMIC for federal
income tax  purposes. One  REMIC  (the "Lower-Tier  REMIC") will  issue  certain
uncertificated  interests (each, a "Lower-Tier REMIC Regular Interest"), each of
which will be designated as a regular interest in the Lower-Tier REMIC, and  the
Class A-LR Certificate, which will be designated as the residual interest in the
Lower-Tier  REMIC. The assets of the  Lower-Tier REMIC will include the Mortgage
Loans, together with the amounts held by  the Servicer in a separate account  in
which  collections on  the Mortgage  Loans will  be deposited  (the "Certificate
Account"), the  Policy,  the  hazard insurance  policies  and  primary  mortgage
insurance  policies, if any, relating to  the Mortgage Loans, the Retail Reserve
Funds and  any property  which secured  a  Mortgage Loan  which is  acquired  by
foreclosure or deed in lieu of foreclosure.
 
    The  second REMIC (the "Upper-Tier REMIC")  will issue all Subclasses of the
Class A Certificates other than the Class A-LR Certificate. The Class A-1, Class
A-2, Class A-3, Class  A-4, Class A-5,  Class A-6, Class  A-7, Class A-8,  Class
A-9,  Class A-10, Class A-11, Class A-12,  Class A-13, Class A-14 and Class A-15
Certificates  and  the   Class  M  Certificates   (collectively,  the   "Regular
Certificates"),  together  with  the Class  A-16  Certificates and  the  Class B
Certificates, will  be designated  as the  regular interests  in the  Upper-Tier
REMIC, and the Class A-R Certificate will be designated as the residual interest
in  the Upper-Tier REMIC. The regular interests and the residual interest in the
Upper-Tier  REMIC  are  referred  to  herein  collectively  as  the  "Upper-Tier
Certificates."   The  Class  A-R  and  Class  A-LR  Certificates  are  "Residual
Certificates" for purposes of the Prospectus. The assets of the Upper-Tier REMIC
will include  the  uncertificated  Lower-Tier  REMIC  Regular  Interests  and  a
separate  account in which distributions  on the uncertificated Lower-Tier REMIC
Regular Interests will  be deposited.  The aggregate amount  distributed to  the
holders of the Upper-Tier Certificates, payable from such separate account, will
be  equal to the aggregate distributions in respect of the Mortgage Loans on the
uncertificated Lower-Tier REMIC Regular Interests.
 
    The Offered Certificates will be treated as "qualifying real property loans"
for mutual savings banks and  domestic building and loan associations,  "regular
or  residual interests in a REMIC"  for domestic building and loan associations,
and "real  estate assets"  for  real estate  investment  trusts, to  the  extent
described in the Prospectus.
 
                                      S-75
<PAGE>
REGULAR CERTIFICATES
 
    The  Regular Certificates generally will be treated as newly originated debt
instruments for federal income tax purposes. Holders of the Regular Certificates
will be required to  report income on such  Certificates in accordance with  the
accrual  method of accounting. It is anticipated  that the Class A-3, Class A-7,
Class A-8, Class A-9, Class A-10, Class A-11 and Class A-15 Certificates will be
issued with  original issue  discount for  federal income  tax purposes,  in  an
amount  equal to the excess of the initial principal balances of such Subclasses
over their  issue  prices (including,  except  in the  case  of the  Class  A-15
Certificates,  accrued interest). It  is further anticipated  that the Class A-1
Certificates will be  issued at a  premium and  that the Class  A-2, Class  A-4,
Class  A-12, Class  A-13, Class  A-14 and  Class M  Certificates will  be issued
without original issue discount for federal income tax purposes. However,  under
proposed Treasury regulations, because the period between the issue date and the
first   Distribution  Date  is   longer  than  the   period  between  subsequent
Distribution Dates, the Class A-1, Class  A-2, Class A-3, Class A-4, Class  A-7,
Class  A-8, Class  A-9, Class  A-10, Class A-11,  Class A-12,  Class A-13, Class
A-14, Class A-15 and Class  M Certificates may be  considered to be issued  with
original issue discount in an amount equal to the excess of all distributions of
principal  and interest expected to be  received thereon over their issue prices
(including, except in  the case  of the  Class A-4,  Class A-14  and Class  A-15
Certificates,  accrued interest). The Seller does  not intend to report original
issue discount in this manner.
 
    Although not free from doubt, it is anticipated that the Class A-5 and Class
A-6 Certificates will be issued with original issue discount in an amount  equal
to  the excess of all distributions of principal and interest thereon over their
issue prices  (including, in  the case  of the  Class A-6  Certificate,  accrued
interest), and the Seller intends to report income in respect of such Subclasses
of  Certificates in  this manner. Under  this method, any  "negative" amounts of
original  issue  discount  attributable  to  rapid  prepayments  would  not   be
deductible  currently, but most  likely would be  offset against future positive
accruals of original issue discount, if any. Finally, the holder of a Class  A-5
or  Class A-6 Certificate may  be entitled to a loss  deduction to the extent it
becomes certain that such holder will not recover a portion of its basis in such
Certificate, assuming no further prepayments. Alternatively, it is possible that
the Class A-5 and Class A-6 Certificates may be treated as issued at a  premium,
which  may  be amortized  in  accordance with  the  rules of  Code  Section 171.
Generally, the holder of such  a Certificate should recognize substantially  the
same  income under the original issue discount approach as it would by reporting
the net amount of the interest income thereon and amortization of premium  under
the  constant interest method. The Class  A-16 Certificates (not offered hereby)
also will be treated as issued  with original issue discount for federal  income
tax purposes.
 
    The  Prepayment Assumption (as defined in the Prospectus) that is to be used
in determining the rate  of accrual of original  issue discount and whether  the
original  issue discount  is considered DE  MINIMIS, and  that may be  used by a
holder of a Regular  Certificate to amortize premium,  will be calculated  using
245%  SPA. No representation is made as to the actual rate at which the Mortgage
Loans will prepay.
 
RESIDUAL CERTIFICATES
 
    The holders of the  Class A-R and Class  A-LR Certificates must include  the
taxable  income  or  loss of  the  Upper-Tier  REMIC and  the  Lower-Tier REMIC,
respectively, in determining  their federal  taxable income. The  Class A-R  and
Class  A-LR Certificates will remain outstanding for federal income tax purposes
until there  are no  Certificates of  any other  Class outstanding.  PROSPECTIVE
INVESTORS  ARE CAUTIONED  THAT THE  CLASS A-R  CERTIFICATEHOLDER'S REMIC TAXABLE
INCOME  AND   THE   TAX   LIABILITY   THEREON   WILL,   AND   THE   CLASS   A-LR
CERTIFICATEHOLDER'S  REMIC  TAXABLE INCOME  AND THE  TAX LIABILITY  THEREON MAY,
EXCEED CASH DISTRIBUTIONS TO SUCH HOLDERS DURING CERTAIN PERIODS, IN WHICH EVENT
THE HOLDERS THEREOF  MUST HAVE SUFFICIENT  ALTERNATIVE SOURCES OF  FUNDS TO  PAY
SUCH  TAX LIABILITY.  Furthermore, it is  anticipated that all  or a substantial
portion of  the taxable  income of  the Upper-Tier  REMIC and  Lower-Tier  REMIC
includible  by  the  holders  of  the Class  A-R  and  Class  A-LR Certificates,
respectively, will be treated as "excess inclusion" income, resulting in (i) the
inability of such holder to use net operating losses to offset such income  from
the    respective   REMIC,    (ii)   the    treatment   of    such   income   as
 
                                      S-76
<PAGE>
"unrelated business  taxable  income"  to  certain  holders  who  are  otherwise
tax-exempt, and (iii) the treatment of such income as subject to 30% withholding
tax to certain non-U.S. investors, with no exemption or treaty reduction.
 
    Under  proposed  Treasury  regulations  (the  "Proposed  REMIC Regulations")
released by the Internal Revenue Service  on September 27, 1991, since the  fair
market  value of the Class A-R and Class A-LR Certificates will not exceed 2% of
the  fair  market  value   of  the  Upper-Tier   REMIC  and  Lower-Tier   REMIC,
respectively,   the  Class  A-R  and  Class  A-LR  Certificates  will  not  have
"significant value," and  thrift institutions  will not be  permitted to  offset
their  net operating losses  against such excess  inclusion income. In addition,
under the Proposed REMIC  Regulations, the Class A-R  Certificate will, and  the
Class A-LR Certificate may, be considered "noneconomic residual interests," with
the  result that transfers  thereof would be disregarded  for federal income tax
purposes if any significant purpose of the transfer was to impede the assessment
or collection of tax. Accordingly,  the transferee affidavit used for  transfers
of  the Class  A-R and  Class A-LR Certificates  will require  the transferee to
state, among other things, that it has no intention to impede the assessment  or
collection  of any federal, state  or local income taxes  legally required to be
paid with respect to the  Class A-R or Class A-LR  Certificate and that it  will
not  transfer the Class  A-R or Class  A-LR Certificate to  any person or entity
that it has  reason to believe  has the  intention to impede  the assessment  or
collection  of such  taxes. Finally, the  Class A-R and  Class A-LR Certificates
generally may not be transferred to persons who are not U.S. Persons (as defined
herein). See "Description of the  Certificates--Restrictions on Transfer of  the
Class  A-R, Class  A-LR and  Class M  Certificates" herein  and "Certain Federal
Income   Tax   Consequences--Federal   Income   Tax   Consequences   for   REMIC
Certificates--Taxation  of the  Residual Certificates--Limitations  on Offset or
Exemption of  REMIC  Income"  and "--Tax-Related  Restrictions  on  Transfer  of
Residual Certificates-- Noneconomic Residual Interests" in the Prospectus.
 
    Under proposed Treasury regulations relating to original issue discount, the
Lower-Tier  REMIC Regular Interests would be treated as a single debt instrument
for original issue  discount purposes because  they will be  issued in a  single
transaction  to a single holder (the Upper-Tier REMIC). Although there can be no
assurance that  final  regulations  will  apply this  aggregation  rule  to  the
Lower-Tier  REMIC  Regular  Interests,  the Servicer  intends  to  calculate the
taxable income (or net loss) of  the Upper-Tier REMIC and Lower-Tier REMIC  (and
to  report to the Class  A-R and Class A-LR  Certificateholders) by treating the
Lower-Tier REMIC Regular Interests as a single debt instrument. A failure of the
Lower-Tier REMIC Regular Interests  to qualify as a  single debt instrument  for
original  issue discount  purposes could have  a material adverse  impact on the
timing of taxable income to the Class A-LR Certificateholder.
 
    An individual,  trust or  estate that  holds  the Class  A-R or  Class  A-LR
Certificate  (whether such  Certificate is  held directly  or indirectly through
certain pass-through  entities)  also  may have  additional  gross  income  with
respect to, but may be subject to limitations on the deductibility of, Servicing
Fees  on the Mortgage Loans and other administrative expenses properly allocable
to the Upper-Tier REMIC or the Lower-Tier REMIC, respectively, in computing such
holder's regular tax  liability, and  may not  be able  to deduct  such fees  or
expenses  to  any  extent in  computing  such holder's  alternative  minimum tax
liability. In addition,  some portion  of a purchaser's  basis, if  any, in  the
Class  A-R or Class A-LR  Certificate may not be  recovered until termination of
the respective REMIC. Furthermore,  the federal income  tax consequences of  any
consideration  paid to a transferee  on a transfer of a  Class A-R or Class A-LR
Certificate are unclear; any such transferee receiving such consideration should
consult its tax advisors.
 
    Legislation was passed by Congress in 1992 that generally would have treated
all partners in a "large partnership" as Disqualified Organizations (as  defined
in  the Prospectus),  thus subjecting  such a partnership  to tax  annually as a
Pass-Through Entity  (as  defined  in  the Prospectus)  on  all  of  its  excess
inclusion  income at the highest corporate rate. The legislation also would have
disallowed 70%  of any  large partnership's  miscellaneous itemized  deductions,
including  the deductions  for Servicing  Fees on  the Mortgage  Loans and other
administrative expenses  properly  allocable to  the  Class A-R  or  Class  A-LR
Certificate,  as the  case may be,  although the remaining  deductions would not
have been subject to the applicable  limitations at the partner level. A  "large
partnership"  generally would include a partnership having 250 or more partners.
This legislation  was  vetoed  by  the President.  No  prediction  can  be  made
 
                                      S-77
<PAGE>
regarding  whether such  legislation will  be reintroduced  or, if reintroduced,
whether   it   will    be   enacted.   See    "Certain   Federal   Income    Tax
Consequences--Federal  Income Tax Consequences  for REMIC Certificates--Taxation
of Residual  Certificates--Tax-Related  Restrictions  on  Transfer  of  Residual
Certificates"  and  "--Limitations  on  Deduction of  Certain  Expenses"  in the
Prospectus.
 
    DUE TO  THE  SPECIAL TAX  TREATMENT  OF RESIDUAL  INTERESTS,  THE  EFFECTIVE
AFTER-TAX   RETURN  OF  THE  CLASS  A-R  AND  CLASS  A-LR  CERTIFICATES  MAY  BE
SIGNIFICANTLY LOWER THAN  WOULD BE  THE CASE  IF THE  CLASS A-R  AND CLASS  A-LR
CERTIFICATES WERE TAXED AS DEBT INSTRUMENTS.
 
                              ERISA CONSIDERATIONS
 
    Neither  the Class  A-R Certificate  nor the  Class A-LR  Certificate may be
purchased by or  transferred to  any person which  is an  employee benefit  plan
within  the meaning of  Section 3(3) of the  Employee Retirement Income Security
Act of  1974,  as amended  ("ERISA"),  and which  is  subject to  the  fiduciary
responsibility  rules of Sections 401-414 of ERISA  or Code Section 4975, or any
person utilizing the  assets of such  employee benefit plan  (an "ERISA  Plan").
Accordingly,   the  following  discussion  does   not  purport  to  discuss  the
considerations under ERISA or  Code Section 4975 with  respect to the  purchase,
acquisition or resale of the Class A-R or Class A-LR Certificate.
 
    In  addition, under  current law  the purchase  and holding  of the  Class M
Certificates by  or  on  behalf of  an  ERISA  Plan may  result  in  "prohibited
transactions" within the meaning of ERISA and Code Section 4975. Transfer of the
Class  M Certificates  will not  be made  unless the  transferee (i)  executes a
representation letter in form and substance satisfactory to the Trustee  stating
that it is not, and is not acting on behalf of, any such ERISA Plan or using the
assets  of  any such  ERISA Plan  to effect  such purchase  or (ii)  provides an
opinion of counsel in  form and substance satisfactory  to the Trustee that  the
purchase  or holding of the  Class M Certificates by or  on behalf of such ERISA
Plan will not result in the assets of the Trust Estate being deemed to be  "plan
assets"  and subject to  the prohibited transaction provisions  of ERISA and the
Code and  will not  subject  the Servicer,  the Seller  or  the Trustee  to  any
obligation  in  addition  to  those  undertaken  in  the  Pooling  and Servicing
Agreement. The  Class  M Certificates  will  contain a  legend  describing  such
restrictions  on transfer and  the Pooling and  Servicing Agreement will provide
that any  attempted  or  purported  transfer  in  violation  of  these  transfer
restrictions  will be  null and void  and will  vest no rights  in any purported
transferee. Accordingly, the  following discussion does  not purport to  discuss
the  considerations  under  ERISA  or  Code Section  4975  with  respect  to the
purchase, acquisition or resale of the Class M Certificates.
 
    As described in the Prospectus  under "ERISA Considerations," ERISA and  the
Code  impose certain duties and restrictions  on ERISA Plans and certain persons
who perform services for ERISA  Plans. For example, unless exempted,  investment
by  an ERISA Plan in  the Offered Certificates may constitute  or give rise to a
prohibited transaction under  ERISA or  the Code. There  are certain  exemptions
issued  by  the  United States  Department  of  Labor (the  "DOL")  that  may be
applicable to  an investment  by  an ERISA  Plan  in the  Offered  Certificates,
including the individual administrative exemption described below and Prohibited
Transaction  Class Exemption 83-1 ("PTE 83-1").  For a further discussion of the
individual administrative  exemption  and  PTE  83-1,  including  the  necessary
conditions  to their applicability, and other important factors to be considered
by an ERISA Plan contemplating investing in the Offered Certificates, see "ERISA
Considerations" in the Prospectus.
 
    On  May  24,  1990,  the  DOL  issued  to  the  Underwriter  an   individual
administrative  exemption, Prohibited Transaction Exemption  90-28, 55 Fed. Reg.
21456 (the "Exemption"),  from certain  of the prohibited  transaction rules  of
ERISA  with  respect to  the initial  purchase, the  holding and  the subsequent
resale by an  ERISA Plan of  certificates in pass-through  trusts that meet  the
conditions  and requirements of the Exemption.  The Exemption might apply to the
acquisition, holding and resale  of the Offered Certificates  by an ERISA  Plan,
provided that specified conditions are met.
 
                                      S-78
<PAGE>
    Among  the conditions which would have to  be satisfied for the Exemption to
apply to the acquisition  by an ERISA  Plan of the  Offered Certificates is  the
condition  that  the ERISA  Plan  investing in  the  Offered Certificates  be an
"accredited investor"  as defined  in  Rule 501(a)(1)  of  Regulation D  of  the
Securities  and Exchange Commission under the Securities Act of 1933, as amended
(the "Securities Act").
 
    Before purchasing  an Offered  Certificate,  a fiduciary  of an  ERISA  Plan
should make its own determination as to the availability of the exemptive relief
provided   in  the  Exemption  or  the  availability  of  any  other  prohibited
transaction exemptions (including PTE 83-1),  and whether the conditions of  any
such  exemption will be applicable to the Offered Certificates. Any fiduciary of
an ERISA Plan considering whether to purchase an Offered Certificate should also
carefully review with its own legal advisors the applicability of the  fiduciary
duty  and  prohibited  transaction provisions  of  ERISA  and the  Code  to such
investment. See "ERISA Considerations" in the Prospectus.
 
                                LEGAL INVESTMENT
 
    The  Offered  Certificates  constitute  "mortgage  related  securities"  for
purposes  of  the  Secondary  Mortgage  Market  Enhancement  Act  of  1984  (the
"Enhancement Act") so long as  they are rated in one  of the two highest  rating
categories   by   at  least   one   nationally  recognized   statistical  rating
organization. As  such,  the  Offered Certificates  are  legal  investments  for
certain  entities  to  the  extent provided  in  the  Enhancement  Act. However,
institutions subject to the jurisdiction of the Office of the Comptroller of the
Currency, the Board  of Governors  of the  Federal Reserve  System, the  Federal
Deposit  Insurance Corporation, the  Office of Thrift  Supervision, the National
Credit Union Administration  or state  banking or  insurance authorities  should
review  applicable rules, supervisory policies  and guidelines of these agencies
before purchasing any of the Offered Certificates, as certain Subclasses of  the
Class  A Certificates or the Class M Certificates may be deemed to be unsuitable
investments under  one or  more  of these  rules,  policies and  guidelines  and
whether certain restrictions may apply to investments in other Subclasses of the
Class  A Certificates or the Class M  Certificates. It should also be noted that
certain states recently  have enacted,  or have  proposed enacting,  legislation
limiting  to  varying extents  the ability  of  certain entities  (in particular
insurance companies) to invest in mortgage related securities. Investors  should
consult  with their own legal advisors in determining whether and to what extent
Offered Certificates constitute legal investments for such investors. See "Legal
Investment" in the Prospectus.
 
                                SECONDARY MARKET
 
    There will not  be any market  for the Offered  Certificates offered  hereby
prior  to the issuance thereof. The Underwriter intends to act as a market maker
in the Offered  Certificates, subject  to applicable provisions  of federal  and
state  securities  laws  and  other regulatory  requirements,  but  is  under no
obligation to do so. There  can be no assurance that  a secondary market in  the
Offered  Certificates will develop  or, if such  a market does  develop, that it
will provide holders of Offered Certificates with liquidity of investment at any
particular time or for the life of the Offered Certificates.
 
                                  UNDERWRITING
 
    Subject to the terms and conditions  of the underwriting agreement dated  as
of  November 19, 1992 (the "Underwriting  Agreement") among the Seller, PHMC and
Kidder, Peabody  & Co.  Incorporated, as  underwriter (the  "Underwriter"),  the
Offered  Certificates offered hereby are being  purchased from the Seller by the
Underwriter upon issuance. The Underwriter is  committed to purchase all of  the
Offered  Certificates if any Offered Certificates are purchased. The Underwriter
has advised the Seller that it proposes to offer the Offered Certificates,  from
time  to  time,  for sale  in  negotiated  transactions or  otherwise  at prices
determined at the  time of sale.  Proceeds to the  Seller from the  sale of  the
Offered  Certificates will be approximately  99.109375% of the initial aggregate
principal balance of the Offered Certificates, plus accrued interest thereon and
on the aggregate initial principal balance of the Class A-16 Certificates at the
rate of 8.00% per annum  from December 1, 1992  to (but not including)  December
22,  1992, before  deducting expenses  payable by  the Seller.  The Underwriter,
which is  not an  affiliate  of the  Seller, has  advised  the Seller  that  the
Underwriter has not allocated the purchase price paid
 
                                      S-79
<PAGE>
to  the  Seller among  the Subclasses  or Classes  of Offered  Certificates. The
Underwriter and  any  dealers  that  participate with  the  Underwriter  in  the
distribution  of the Offered Certificates may  be deemed to be underwriters, and
any discounts or commissions received  by them and any  profit on the resale  of
Offered  Certificates  by them  may be  deemed to  be underwriting  discounts or
commissions, under the Securities Act.
 
    The Underwriting Agreement provides that the Seller and PHMC will  indemnify
the  Underwriter against certain  civil liabilities under  the Securities Act or
contribute to payments which the Underwriter may be required to make in  respect
thereof.
 
                                 LEGAL MATTERS
 
    Certain  legal matters in  connection with the  Offered Certificates offered
hereby will be passed upon for the Seller by Cadwalader, Wickersham & Taft,  New
York, New York, and for the Underwriter by Brown & Wood, New York, New York.
 
                                USE OF PROCEEDS
 
    The  net proceeds to be  received from the sale  of the Offered Certificates
offered hereby will be applied  by the Seller to the  purchase from PHMC of  the
Mortgage  Loans represented by  the Series 1992-47  Certificates. It is expected
that PHMC will  use the  proceeds from  the sale of  the Mortgage  Loans to  the
Seller  for its  general business  purposes, including,  without limitation, the
origination or acquisition of new mortgage loans and the repayment of borrowings
incurred to  finance  the  origination  or acquisition  of  the  Mortgage  Loans
underlying the Series 1992-47 Certificates.
 
                                    RATINGS
 
    It  is a  condition to the  issuance of  the Class A  Certificates that each
Subclass will  have been  rated "Aaa"  by  Moody's and  "AAA" by  S&P. It  is  a
condition  to the issuance of the Class M Certificates that they shall have been
rated  "Aa2"  by  Moody's  and  "AA"  by  S&P.  A  security  rating  is  not   a
recommendation to buy, sell or hold securities and may be subject to revision or
withdrawal  at any  time by  the assigning  rating agency.  Each security rating
should be evaluated independently of any other security rating.
 
    The ratings of  Moody's on  mortgage pass-through  certificates address  the
likelihood  of the receipt  by certificateholders of  all distributions to which
such certificateholders  are  entitled.  Moody's  rating  opinions  address  the
structural,   legal,  issuer   and  tax-related  aspects   associated  with  the
certificates, including  the nature  of the  underlying mortgage  loans and  the
credit  quality  of the  credit  support provider,  if  any. Moody's  ratings on
pass-through certificates do not represent any assessment of the likelihood that
principal prepayments may differ from those originally anticipated.
 
    The ratings  of  S&P  on  mortgage  pass-through  certificates  address  the
likelihood  of the receipt  by certificateholders of  all distributions to which
such  certificateholders  are  entitled.  S&P's  rating  opinions  address   the
structural  and legal  aspects associated  with the  certificates, including the
nature  of  the  underlying  mortgage  loans.  S&P's  ratings  on   pass-through
certificates  do  not represent  any  assessment of  the  likelihood or  rate of
principal prepayments.
 
    The ratings of Moody's  and S&P do  not address the  possibility that, as  a
result  of principal  prepayments, Certificateholders  may receive  a lower than
anticipated  yield  or  that  the  holders  of  the  Class  A-5  and  Class  A-6
Certificates may fail to fully recover their initial investments.
 
    The  Seller has not  requested a rating  on the Offered  Certificates of any
Subclass or Class by any  rating agency other than Moody's  and S&P and has  not
provided  any information with respect to the Mortgage Loans to any other rating
agency. There can be no assurance that  any rating assigned by any other  rating
agency  to the Offered Certificates will be as high as those assigned by Moody's
and S&P.
 
                                      S-80
<PAGE>
                              INDEX OF SIGNIFICANT
                       PROSPECTUS SUPPLEMENT DEFINITIONS
 
<TABLE>
<CAPTION>
TERM                                                                       PAGE
- -------------------------------------------------------------------------  -----
<S>                                                                        <C>
Adjusted Pool Amount.....................................................  S-28
Advance Reserve Fund.....................................................  S-44
Advance Reserve Fund Available Advance Amount............................  S-44
Advance Reserve Fund Depository..........................................  S-44
Advance Reserve Fund Required Amount.....................................  S-44
Advance Reserve Fund Trigger Date........................................  S-44
Bankruptcy Coverage Termination Date.....................................  S-52
Bankruptcy Loss..........................................................  S-33
Bankruptcy Loss Amount...................................................  S-52
Beneficial Owner.........................................................  S-22
Book-Entry Certificates..................................................   S-2
Book-Entry Nominee.......................................................  S-48
Cede.....................................................................  S-22
Class A Certificates.....................................................  Cover
Class A Distribution Amount..............................................  S-25
Class A Optimal Amount...................................................  S-31
Class A Optimal Principal Amount.........................................  S-32
Class A Percentage.......................................................  S-34
Class A Prepayment Percentage............................................  S-34
Class A Principal Balance................................................  S-28
Class A Principal Distribution Amount....................................  S-32
Class A Subclass Interest Accrual Amount.................................  S-26
Class A Subclass Interest Shortfall Amount...............................  S-30
Class A Subclass Principal Balance.......................................  S-28
Class A-16 Notional Amount...............................................  S-29
Class A-7 Retail Reserve Fund............................................  S-29
Class A-9 Retail Reserve Fund............................................  S-29
Class A-LR Notional Amount...............................................  S-29
Class B Certificates.....................................................  Cover
Class B Interest Accrual Amount..........................................  S-28
Class B Principal Balance................................................  S-28
Class M Certificates.....................................................  Cover
Class M Distribution Amount..............................................  S-26
Class M Interest Accrual Amount..........................................  S-27
Class M Interest Shortfall Amount........................................  S-31
Class M Optimal Amount...................................................  S-31
Class M Optimal Principal Amount.........................................  S-35
Class M Percentage.......................................................  S-35
Class M Prepayment Percentage............................................  S-35
Class M Principal Balance................................................  S-28
Class M Principal Distribution Amount....................................  S-35
Companion Certificates...................................................  Cover
Component Principal Balance..............................................  S-36
Code.....................................................................  S-21
Cooperatives.............................................................  S-53
Co-op Shares.............................................................  S-53
Cross-Over Date..........................................................  S-50
Current Class M Subordination Level......................................  S-36
Cut-Off Date Aggregate Principal Balance.................................  S-53
</TABLE>
 
                                      S-81
<PAGE>
<TABLE>
<CAPTION>
TERM                                                                       PAGE
- -------------------------------------------------------------------------  -----
<S>                                                                        <C>
Debt Service Reduction...................................................  S-34
Definitive Certificates..................................................  S-22
Determination Date.......................................................  S-24
Distribution Date........................................................  S-24
DTC......................................................................   S-6
Enhancement Act..........................................................  S-79
Excess Bankruptcy Losses.................................................  S-52
Excess Fraud Losses......................................................  S-52
Excess Special Hazard Losses.............................................  S-51
Exemption................................................................  S-78
Financial Security.......................................................   S-2
Fixed Non-Relocation Program Loans.......................................  S-60
Fixed Program Loans......................................................  S-60
Fraud Coverage Termination Date..........................................  S-51
Fraud Loss...............................................................  S-33
Fraud Loss Amount........................................................  S-51
Guaranteed Distributions.................................................  S-45
Indirect Participants....................................................  S-22
LIBOR....................................................................  Cover
LIBOR Based Interest Accrual Period......................................  S-26
Liquidated Loan..........................................................  S-33
Liquidated Loan Loss.....................................................  S-33
Lower-Tier REMIC.........................................................   S-2
Lower-Tier REMIC Regular Interest........................................  S-75
Moody's..................................................................   S-4
Mortgage Loans...........................................................   S-2
Mortgaged Properties.....................................................  S-53
Mortgages................................................................  S-53
Net Foreclosure Profits..................................................  S-43
Net Mortgage Interest Rate...............................................  S-29
Non-Supported Interest Shortfall.........................................  S-29
Original Class M Subordination Level.....................................  S-36
Original Subordinated Principal Balance..................................  S-34
Participants.............................................................  S-22
Percentage Interest......................................................  S-26
PHMC.....................................................................   S-2
Policy...................................................................   S-2
Pool Distribution Amount.................................................  S-24
Pool Distribution Amount Allocation......................................  S-25
Pool Scheduled Principal Balance.........................................  S-34
Pooling and Servicing Agreement..........................................  S-73
Premium Payment..........................................................  S-27
Premium Shortfall Amount.................................................  S-30
Prepayment Interest Shortfalls...........................................  S-29
Program Loans............................................................  S-60
Proposed REMIC Regulations...............................................  S-77
PTE 83-1.................................................................  S-78
Rate Determination Date..................................................  S-27
Realized Losses..........................................................  S-34
Record Date..............................................................  S-24
Regular Certificates.....................................................  S-75
Regular Interest Accrual Period..........................................  S-26
</TABLE>
 
                                      S-82
<PAGE>
<TABLE>
<CAPTION>
TERM                                                                       PAGE
- -------------------------------------------------------------------------  -----
<S>                                                                        <C>
Relocation Mortgage Loans................................................  S-60
REMIC....................................................................   S-2
Retail Certificates......................................................  Cover
Retail Reserve Fund......................................................  S-29
Rules....................................................................  S-22
Scheduled Principal Balance..............................................  S-33
Securities Act...........................................................  S-79
Seller...................................................................   S-2
Series 1992-47 Certificates..............................................  Cover
Servicer.................................................................   S-2
S&P......................................................................   S-4
SPA......................................................................  S-67
Special Hazard Loss......................................................  S-33
Special Hazard Loss Amount...............................................  S-51
Special Hazard Termination Date..........................................  S-51
Subclass.................................................................  Cover
Subordinated Certificates................................................  Cover
Subordinated Percentage..................................................  S-35
Subordinated Prepayment Percentage.......................................  S-35
TAC Certificates.........................................................  Cover
TAC Components...........................................................  S-36
TAC Principal Amount.....................................................  S-37
Trust Estate.............................................................   S-2
Underwriter..............................................................  Cover
Underwriting Agreement...................................................  S-79
Upper-Tier REMIC.........................................................   S-2
</TABLE>
 
                                      S-83
<PAGE>
THE PRUDENTIAL HOME MORTGAGE SECURITIES COMPANY, INC.
                                     SELLER
                       MORTGAGE PASS-THROUGH CERTIFICATES
                              (ISSUABLE IN SERIES)
                             ---------------------
 
    The  Prudential  Home Mortgage  Securities  Company, Inc.  (the  "Seller" or
"PHMSC") may sell from time to time under this Prospectus and related Prospectus
Supplements Mortgage Pass-Through Certificates (the "Certificates"), issuable in
series (each, a "Series") consisting of one or more classes (each, a "Class") of
Certificates.
 
    The Certificates of a Series  will represent beneficial ownership  interests
in  a separate  trust formed  by the Seller.  Unless otherwise  specified in the
applicable Prospectus  Supplement, the  property of  each such  trust (for  each
Series,  the "Trust Estate") will be  comprised primarily of fixed or adjustable
interest rate, conventional, monthly pay, fully-amortizing first mortgage  loans
(the  "Mortgage Loans"), secured by  one- to four-family residential properties.
Unless otherwise specified in the applicable prospectus supplement, the Mortgage
Loans will have been acquired by  the Seller from its affiliate, The  Prudential
Home  Mortgage Company, Inc. ("PHMC"), and will have been underwritten to PHMC's
underwriting standards. Unless otherwise specified in the applicable  prospectus
supplement,  all of  the Mortgage Loans  will be  serviced by PHMC  (PHMC in its
capacity as servicer being referred to hereafter as the "Servicer").
 
    The Certificates of  a Series will  consist of  (i) one or  more Classes  of
Certificates  representing fractional  undivided interests in  all the principal
payments and the interest  payments, to the extent  of the related Net  Mortgage
Interest  Rate (as  defined herein),  on the  related Mortgage  Loans ("Standard
Certificates"), (ii) one or more Classes of Certificates representing fractional
undivided interests  in all  or  specified portions  of the  principal  payments
and/or  interest payments,  to the extent  of the related  Net Mortgage Interest
Rate, on the related Mortgage Loans  ("Stripped Certificates"), or (iii) two  or
more Classes of Certificates ("Multi-Class Certificates"), each of which will be
assigned  a principal balance  (a "Stated Amount"),  and each of  which may bear
interest on the Stated Amount at a fixed rate (which may be zero) specified  in,
or  a  variable  rate  determined as  specified  in,  the  applicable Prospectus
Supplement (the "Interest Rate"). Any Class of Certificates may be divided  into
two or more subclasses (each, a "Subclass").
 
    Each  Series of Certificates may include one or more Classes of Certificates
(the "Subordinated Certificates") that are subordinate in right of distributions
to such rights of one or more of  the other Classes of such Series (the  "Senior
Certificates").  If  specified  in  the  applicable  Prospectus  Supplement, the
relative interests of the Senior Certificates and the Subordinated  Certificates
of  a Series in the Trust Estate may  be subject to adjustment from time to time
on the basis of distributions received  in respect thereof. Any Class of  Senior
Certificates  or Subordinated Certificates  may, as described  above, be divided
into two or more Subclasses. If  specified in the Prospectus Supplement,  credit
support  may also be  provided for any Series  of Certificates in  the form of a
guarantee, letter of  credit, mortgage pool  insurance policy or  other form  of
credit enhancement as described herein or therein.
 
    Except  for  the  Seller's  limited obligation  in  connection  with certain
breaches of its  representations and warranties  and certain other  undertakings
and  PHMC's obligations as  Servicer, neither the Seller,  the Servicer, nor any
affiliate of the Seller or the Servicer, will have any obligations with  respect
to  the Certificates. In the event of  delinquencies in payments on the Mortgage
Loans, the Servicer will be obligated to make advances which it determines  will
be recoverable from future payments and collections on the Mortgage Loans.
 
    An election will be made to treat each Trust Estate (or a segregated pool of
assets  therein) underlying a Series of  Multi-Class Certificates or a Series of
Certificates in which the relative interests in the Trust Estate of the  Classes
of  Senior Certificates and Subordinated  Certificates are subject to adjustment
as a "real estate  mortgage investment conduit" (a  "REMIC") for federal  income
tax  purposes. Such an election may also be made with respect to any other Trust
Estate. See "Certain Federal Income Tax Consequences."
 
    There will have  been no public  market for the  Certificates of any  Series
prior to the offering thereof. No assurance can be given that such a market will
develop,   or   that  if   such  a   market  does   develop,  it   will  provide
Certificateholders with liquidity of investment or will continue for the life of
the Certificates.
                           --------------------------
 
   THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
     AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
     SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION
      PASSED UPON  THE  ACCURACY  OR ADEQUACY  OF  THIS  PROSPECTUS.  ANY
       REPRESENTATION   TO   THE   CONTRARY   IS   A   CRIMINAL  OFFENSE.
                            ------------------------
 
    The Certificates may be sold from time to time by the Seller through dealers
or  agents,  through  underwriting  syndicates  led  by  one  or  more  managing
underwriters  or through  one or  more underwriters  acting alone.  See "Plan of
Distribution." Affiliates of the Seller may from  time to time act as agents  or
underwriters  in connection with  the sale of  the Certificates. The  terms of a
particular offering will be set forth  in the Prospectus Supplement relating  to
such offering.
 
    THIS  PROSPECTUS MAY NOT BE USED  TO CONSUMMATE SALES OF CERTIFICATES UNLESS
ACCOMPANIED BY  THE  PROSPECTUS SUPPLEMENT  RELATING  TO THE  OFFERING  OF  SUCH
CERTIFICATES.
                           --------------------------
 
                The date of this Prospectus is December 3, 1992
<PAGE>
                                    REPORTS
 
    The  Servicer, or the  Paying Agent appointed by  the Servicer, will furnish
the Certificateholders of each Series, in connection with each distribution  and
annually,  statements  containing  information  with  respect  to  principal and
interest payments and the related Trust  Estate, as described herein and in  the
applicable  Prospectus Supplement for  such Series. No  information contained in
such reports will have been examined  or reported upon by an independent  public
accountant.    See    "Servicing    of    the    Mortgage    Loans--Reports   to
Certificateholders." The Servicer will also furnish periodic statements  setting
forth  certain specified information to the Trustee identified in the Prospectus
Supplement. See "Servicing of  the Mortgage Loans--Reports  to the Trustee."  In
addition,  annually  the Servicer  will furnish  the Trustee  for each  Series a
statement from a  firm of  independent public  accountants with  respect to  the
examination  of certain  documents and  records relating  to the  mortgage loans
serviced by the Servicer under the  related Pooling and Servicing Agreement  and
other   similar   servicing   agreements.  See   "Servicing   of   the  Mortgage
Loans--Evidence as to Compliance." Copies  of the monthly and annual  statements
provided  by the Servicer to the Trustee will be furnished to Certificateholders
of each Series upon  request addressed to the  Servicer c/o The Prudential  Home
Mortgage  Company,  Inc., 7470  New Technology  Way, Frederick,  Maryland 21701,
Attention: Legal Department.
 
                             ADDITIONAL INFORMATION
 
    This Prospectus contains, and the  Prospectus Supplement for each Series  of
Certificates  will contain,  a summary  of the  material terms  of the documents
referred to herein and therein, but neither contains nor will contain all of the
information set forth in the Registration Statement of which this Prospectus  is
a  part.  For  further  information,  reference  is  made  to  such Registration
Statement and  the  exhibits  thereto  which  the  Seller  has  filed  with  the
Securities  and Exchange Commission (the  "Commission"), Washington, D.C., under
the Securities  Act  of 1933,  as  amended (the  "Securities  Act").  Statements
contained in this Prospectus and any Prospectus Supplement as to the contents of
any  contract or other document referred to are summaries and, in each instance,
reference is made  to the copy  of the contract  or other document  filed as  an
exhibit  to the Registration  Statement, each such  statement being qualified in
all respects by  such reference.  Copies of  the Registration  Statement may  be
obtained  from the Public Reference Section  of the Commission, Washington, D.C.
20549 upon payment of the prescribed charges, or may be examined free of  charge
at the Commission's offices, 450 Fifth Street N.W., Washington, D.C. 20549 or at
the  regional offices of the Commission located at Room 1400, 75 Park Place, New
York, New York 10007 and 14th Floor, 500 West Madison Street, Chicago,  Illinois
60661. Copies of any documents incorporated herein by reference will be provided
to  each person to whom  a Prospectus is delivered  upon written or oral request
directed to  The Prudential  Home Mortgage  Securities Company,  Inc., 7470  New
Technology Way, Frederick, Maryland 21701, telephone number 301-846-8199.
 
                        ADDITIONAL DETAILED INFORMATION
 
    The   Seller  intends  to  offer  by  subscription  detailed  mortgage  loan
information in machine readable format updated on a monthly basis (the "Detailed
Information") with  respect  to each  outstanding  Series of  Certificates.  The
Detailed  Information  will reflect  payments  made on  the  individual mortgage
loans, including prepayments in full and in part made on such mortgage loans, as
well as the liquidation  of any such mortgage  loans, and will identify  various
characteristics  of the  mortgage loans.  Among the  initial subscribers  of the
Detailed Information will  be a number  of major investment  brokerage firms  as
well  as  financial information  service firms.  Some  of such  firms, including
certain investment brokerage firms  as well as Bloomberg  L.P. through the  "The
Bloomberg  (R)" service and Merrill Lynch Mortgage Capital Inc. through the "CMO
Passport-Registered  Trademark-"  service,   may,  in   accordance  with   their
individual  business practices and  fee schedules, if any,  make portions of, or
summaries of portions of, the Detailed Information available to their  customers
and  subscribers. The  Seller, the Servicer  and any affiliates  thereof take no
responsibility for  the  actions  of  such firms  in  processing,  analyzing  or
disseminating  such information. For further  information regarding the Detailed
Information and  subscriptions  thereto,  please  contact  The  Prudential  Home
Mortgage  Securities Company, Inc., 7470 New Technology Way, Frederick, Maryland
21701, telephone number (301) 846-8199.
 
                                       2
<PAGE>
                               TABLE OF CONTENTS
 
                                   PROSPECTUS
 
<TABLE>
<CAPTION>
                                                                                                                PAGE
                                                                                                                -----
<S>                                                                                                          <C>
Reports....................................................................................................           2
Additional Information.....................................................................................           2
Additional Detailed Information............................................................................           2
Summary of Prospectus......................................................................................           7
Title of Securities........................................................................................           7
Seller.....................................................................................................           7
Servicer...................................................................................................           7
The Trust Estates..........................................................................................           7
Description of the Certificates............................................................................           7
    A. Standard Certificates...............................................................................           8
    B. Stripped Certificates...............................................................................           8
    C. Shifting Interest Certificates......................................................................           8
    D. Multi-Class Certificates............................................................................           8
Cut-Off Date...............................................................................................           8
Distribution Dates.........................................................................................           8
Record Dates...............................................................................................           9
Interest...................................................................................................           9
Principal (Including Prepayments)..........................................................................           9
Distributions in Reduction of Stated Amount................................................................           9
Credit Enhancement.........................................................................................           9
Periodic Advances..........................................................................................          11
Optional Purchase of Mortgage Loans........................................................................          11
ERISA Limitations..........................................................................................          11
Tax Status.................................................................................................          11
Rating.....................................................................................................          11
The Trust Estates..........................................................................................          12
General....................................................................................................          12
Mortgage Loans.............................................................................................          12
    INSURANCE POLICIES.....................................................................................          15
    ACQUISITION OF THE MORTGAGE
      LOANS FROM PHMC......................................................................................          16
    ASSIGNMENT OF MORTGAGE LOANS
      TO THE TRUSTEE.......................................................................................          16
    REPRESENTATIONS AND WARRANTIES.........................................................................          18
    OPTIONAL REPURCHASES...................................................................................          21
Description of The Certificates............................................................................          22
General....................................................................................................          22
Percentage Certificates....................................................................................          23
Multi-Class Certificates...................................................................................          24
Distributions to Percentage
 Certificateholders........................................................................................          24
    CERTIFICATES OTHER THAN SHIFTING
      INTEREST CERTIFICATES................................................................................          24
    CALCULATION OF DISTRIBUTABLE AMOUNTS...................................................................          24
    DETERMINATION OF AMOUNTS TO
      BE DISTRIBUTED.......................................................................................          26
    SHIFTING INTEREST CERTIFICATES.........................................................................          28
</TABLE>
 
                                       3
<PAGE>
<TABLE>
<CAPTION>
                                                                                                                PAGE
                                                                                                                -----
<S>                                                                                                          <C>
Example of Distribution to
 Percentage Certificateholders.............................................................................          30
Distributions to Multi-Class Certificateholders............................................................          31
    VALUATION OF MORTGAGE LOANS............................................................................          32
    SPECIAL DISTRIBUTIONS..................................................................................          33
    LAST SCHEDULED DISTRIBUTION DATE.......................................................................          33
Credit Support.............................................................................................          34
Subordination..............................................................................................          34
    CERTIFICATES OTHER THAN SHIFTING INTEREST CERTIFICATES.................................................          34
    SHIFTING INTEREST CERTIFICATES.........................................................................          36
Other Credit Enhancement...................................................................................          38
    LIMITED GUARANTEE......................................................................................          38
    LETTER OF CREDIT.......................................................................................          38
    POOL INSURANCE POLICIES................................................................................          38
    SPECIAL HAZARD INSURANCE POLICIES......................................................................          38
    MORTGAGOR BANKRUPTCY BOND..............................................................................          38
Prepayment and Yield Considerations........................................................................          39
Pass-Through Rates and Interest Rates......................................................................          39
Scheduled Delays in Distributions..........................................................................          39
Effect of Principal Prepayments............................................................................          39
Weighted Average Life of Certificates......................................................................          40
The Seller.................................................................................................          41
PHMC.......................................................................................................          42
General....................................................................................................          42
Mortgage Loan Production Sources...........................................................................          43
Mortgage Loan Underwriting.................................................................................          45
Mortgage Origination Processing............................................................................          48
Servicing..................................................................................................          48
Use of Proceeds............................................................................................          48
Servicing of the Mortgage Loans............................................................................          48
The Servicer...............................................................................................          48
Payments on Mortgage Loans.................................................................................          48
Periodic Advances and Limitations Thereon..................................................................          51
Adjustment to Servicing Fee in Connection with Prepaid Mortgage Loans......................................          51
Reports to Certificateholders..............................................................................          52
Reports to the Trustee.....................................................................................          53
Collection and Other Servicing Procedures..................................................................          54
Enforcement of Due-on-Sale Clauses;
 Realization Upon Defaulted Mortgage Loans.................................................................          54
Fixed Retained Yield, Servicing Compensation and Payment of Expenses.......................................          55
Evidence as to Compliance..................................................................................          56
Certain Matters Regarding the Servicer.....................................................................          57
The Pooling and Servicing Agreement........................................................................          58
Events of Default..........................................................................................          58
Rights Upon Event of Default...............................................................................          58
Amendment..................................................................................................          59
Termination; Purchase of Mortgage Loans....................................................................          60
The Trustee................................................................................................          60
</TABLE>
 
                                       4
<PAGE>
<TABLE>
<CAPTION>
                                                                                                                PAGE
                                                                                                                -----
<S>                                                                                                          <C>
Certain Legal Aspects of the Mortgage Loans................................................................          61
General....................................................................................................          61
Foreclosure................................................................................................          61
Foreclosure on Shares of Cooperatives......................................................................          62
Rights of Redemption.......................................................................................          63
Anti-Deficiency Legislation and Other Limitations on Lenders...............................................          63
Soldiers' and Sailors' Civil Relief Act and Similar Laws...................................................          64
Environmental Considerations...............................................................................          64
"Due-on-Sale" Clause.......................................................................................          65
Applicability of Usury Laws................................................................................          66
Enforceability of Certain Provisions.......................................................................          66
Certain Federal Income Tax Consequences....................................................................          67
Federal Income Tax Consequences for REMIC Certificates.....................................................          67
  General..................................................................................................          67
  Status of REMIC Certificates.............................................................................          67
  Qualification as a REMIC.................................................................................          68
  Taxation of Regular Certificates.........................................................................          70
    GENERAL................................................................................................          70
    ORIGINAL ISSUE DISCOUNT................................................................................          70
    VARIABLE RATE REGULAR CERTIFICATES.....................................................................          72
    MARKET DISCOUNT........................................................................................          73
    PREMIUM................................................................................................          74
    SALE OR EXCHANGE OF REGULAR CERTIFICATES...............................................................          74
Taxation of Residual Certificates..........................................................................          74
    TAXATION OF REMIC INCOME...............................................................................          74
    BASIS AND LOSSES.......................................................................................          75
    TREATMENT OF CERTAIN ITEMS OF REMIC INCOME AND EXPENSE.................................................          76
      ORIGINAL ISSUE DISCOUNT..............................................................................          76
      MARKET DISCOUNT......................................................................................          76
      PREMIUM..............................................................................................          77
      LIMITATIONS OF OFFSET OR EXEMPTION OF REMIC INCOME...................................................          77
    TAX-RELATED RESTRICTIONS ON TRANSFER OF RESIDUAL CERTIFICATES..........................................          78
    DISQUALIFIED ORGANIZATIONS.............................................................................          78
    NONECONOMIC RESIDUAL INTERESTS.........................................................................          79
    FOREIGN INVESTORS......................................................................................          80
      SALE OR EXCHANGE OF A RESIDUAL CERTIFICATE...........................................................          80
    TAXES THAT MAY BE IMPOSED ON THE REMIC POOL............................................................          80
      PROHIBITED TRANSACTIONS..............................................................................          80
      CONTRIBUTIONS TO THE REMIC POOL AFTER THE STARTUP DAY................................................          81
      NET INCOME FROM FORECLOSURE PROPERTY.................................................................          81
      LIQUIDATION OF THE REMIC POOL........................................................................          81
      ADMINISTRATIVE MATTERS...............................................................................          81
Limitations on Deduction of Certain Expenses...............................................................          81
Taxation of Certain Foreign Investors......................................................................          82
    REGULAR CERTIFICATES...................................................................................          82
    RESIDUAL CERTIFICATES..................................................................................          82
Backup Withholding.........................................................................................          83
Reporting Requirements.....................................................................................          83
</TABLE>
 
                                       5
<PAGE>
<TABLE>
<CAPTION>
                                                                                                                PAGE
                                                                                                                -----
<S>                                                                                                          <C>
Federal Income Tax Consequences for Certificates as to Which No REMIC Election Is Made.....................          84
Standard Certificates......................................................................................          84
    GENERAL................................................................................................          84
    TAX STATUS.............................................................................................          84
    PREMIUM AND DISCOUNT...................................................................................          85
      PREMIUM..............................................................................................          85
      ORIGINAL ISSUE DISCOUNT..............................................................................          85
      MARKET DISCOUNT......................................................................................          86
      RECHARACTERIZATION OF SERVICING FEES.................................................................          86
    SALE OR EXCHANGE OF STANDARD CERTIFICATES..............................................................          87
Stripped Certificates......................................................................................          87
    GENERAL................................................................................................          87
    STATUS OF STRIPPED CERTIFICATES........................................................................          88
    TAXATION OF STRIPPED CERTIFICATES......................................................................          89
    ORIGINAL ISSUE DISCOUNT................................................................................          89
      SALE OR EXCHANGE OF STRIPPED CERTIFICATES............................................................          89
      PURCHASE OF MORE THAN ONE CLASS OF STRIPPED CERTIFICATES.............................................          90
      POSSIBLE ALTERNATIVE CHARATERIZATIONS................................................................          90
Reporting Requirements and Backup Withholding..............................................................          90
Taxation of Certain Foreign Investors......................................................................          90
ERISA Considerations.......................................................................................          91
General....................................................................................................          91
Certain Requirements Under ERISA...........................................................................          91
    GENERAL................................................................................................          91
    PARTIES IN INTEREST/DISQUALIFIED PERSONS...............................................................          91
    DELEGATION OF FIDUCIARY DUTY...........................................................................          92
Administrative Exemptions..................................................................................          92
    INDIVIDUAL ADMINISTRATIVE EXEMPTIONS...................................................................          92
Exempt Plans...............................................................................................          94
Unrelated Business Taxable Income--Residual Certificates...................................................          94
Legal Investment...........................................................................................          95
Plan of Distribution.......................................................................................          96
Legal Matters..............................................................................................          97
Rating.....................................................................................................          97
Index of Significant Definitions...........................................................................          98
</TABLE>
 
                                       6
<PAGE>
                             SUMMARY OF PROSPECTUS
 
    THE  FOLLOWING IS  QUALIFIED IN  ITS ENTIRETY  BY REFERENCE  TO THE DETAILED
INFORMATION APPEARING  ELSEWHERE IN  THIS PROSPECTUS,  AND BY  REFERENCE TO  THE
INFORMATION  WITH  RESPECT  TO  EACH SERIES  OF  CERTIFICATES  CONTAINED  IN THE
APPLICABLE  PROSPECTUS  SUPPLEMENT.  CERTAIN  CAPITALIZED  TERMS  USED  AND  NOT
OTHERWISE  DEFINED  HEREIN  SHALL  HAVE THE  MEANINGS  GIVEN  ELSEWHERE  IN THIS
PROSPECTUS.
 
<TABLE>
<S>                                 <C>
Title of Securities...............  Mortgage Pass-Through Certificates (Issuable in Series).
Seller............................  The Prudential  Home Mortgage  Securities Company,  Inc.
                                    (the "Seller"), a direct, wholly-owned subsidiary of The
                                    Prudential  Home Mortgage Company,  Inc. ("PHMC"), which
                                    is a  direct,  wholly-owned  subsidiary  of  Residential
                                    Services  Corporation of America.  See "The Seller." The
                                    Seller  and   PHMC  are   each  indirect,   wholly-owned
                                    subsidiaries  of  The  Prudential  Insurance  Company of
                                    America ("Prudential Insurance").
Servicer..........................  PHMC (in such  capacity, the  "Servicer"). The  Servicer
                                    will  service the  Mortgage Loans  comprising each Trust
                                    Estate and administer  each Trust Estate  pursuant to  a
                                    Pooling  and Servicing  Agreement (each,  a "Pooling and
                                    Servicing Agreement").  See "Servicing  of the  Mortgage
                                    Loans."
The Trust Estates.................  Each  Trust Estate will consist  of the related Mortgage
                                    Loans (other than the  Fixed Retained Yield (as  defined
                                    herein),  if any) and certain other related property, as
                                    specified  in  the  applicable  Prospectus   Supplement.
                                    Unless  otherwise specified in the applicable Prospectus
                                    Supplement, the  Mortgage  Loans will  be  conventional,
                                    fixed  interest  rate,  monthly  pay,  fully-amortizing,
                                    level payment,  one-  to four-family  residential  first
                                    mortgage  loans.  If  so  specified  in  the  applicable
                                    Prospectus Supplement, a Trust Estate may include  fully
                                    amortizing,  adjustable  rate  Mortgage  Loans, Mortgage
                                    Loans secured  by condominium  units, townhouses,  units
                                    located  within  planned  unit  developments,  long-term
                                    leases with  respect to  any  of the  foregoing,  shares
                                    issued   by  cooperative  housing  corporations,  and/or
                                    Mortgage   Loans   which   are   subject   to   interest
                                    differential  subsidy agreements or buydown schedules or
                                    which provide for balloon payments of principal.
                                    The Mortgage Loans will have been acquired by the Seller
                                    from  its  affiliate  PHMC  or  another  affiliate.  The
                                    Mortgage Loans will have been originated by PHMC or will
                                    have  been  acquired by  PHMC  from other  mortgage loan
                                    originators, in each case for its own account or for the
                                    account of an affiliate. All of the Mortgage Loans  will
                                    have  been  underwritten to  PHMC's standards.  See "The
                                    Trust Estates."
                                    The particular characteristics or expected
                                    characteristics of each Trust  Estate will be set  forth
                                    in the applicable Prospectus Supplement.
Description of the Certificates...  Each  Series  will consist  of  one or  more  Classes of
                                    Certificates which  may  be (i)  Standard  Certificates,
                                    (ii) Stripped Certificates,
</TABLE>
 
                                       7
<PAGE>
 
<TABLE>
<S>                                 <C>
                                    or  (iii)  Multi-Class  Certificates.  Unless  otherwise
                                    specified in the  applicable Prospectus Supplement,  the
                                    Certificates  will be  offered only  in fully-registered
                                    form.
  A.  Standard Certificates.......  Standard Certificates of a  Series will each evidence  a
                                    fractional  undivided beneficial interest in the related
                                    Trust Estate and will entitle the holder thereof to  its
                                    proportionate share of a percentage of the principal and
                                    interest  payments (to the extent  of the applicable Net
                                    Mortgage Interest Rate) on the related Mortgage Loans.
  B.  Stripped Certificates.......  Stripped Certificates  will each  evidence a  fractional
                                    undivided  beneficial  interest  in  the  related  Trust
                                    Estate and  will  entitle  the  holder  thereof  to  its
                                    proportionate share of a specified portion (which may be
                                    zero)  of principal payments  and/or a specified portion
                                    (which may be zero) of interest payments (to the  extent
                                    of  the applicable  Net Mortgage  Interest Rate)  on the
                                    related Mortgage Loans.
  C.  Shifting Interest
  Certificates....................  Shifting Interest Certificates of a Series are  Standard
                                    or  Stripped Certificates, credit  enhancement for which
                                    is supplied by the adjustment  from time to time of  the
                                    relative  interests in  the Trust  Estate of  the Senior
                                    Certificates and the  Subordinated Certificates of  such
                                    Series.   See  "Description  of  the  Certificates--Dis-
                                    tributions  to  Percentage  Certificateholders--Shifting
                                    Interest Certificates" and "Credit
                                    Support--Subordination--Shifting Interest Certificates."
  D.  Multi-Class Certificates....  Each  Series of Multi-Class Certificates will consist of
                                    Certificates,  each  of  which  evidences  a  beneficial
                                    interest  in the  related Trust Estate  and entitles the
                                    holder thereof to interest  payments on the  outstanding
                                    Stated  Amount  thereof at  a fixed  rate (which  may be
                                    zero) specified  in, or  a variable  rate determined  as
                                    specified  in, the applicable Prospectus Supplement, and
                                    distributions  in  reduction   of  such  Stated   Amount
                                    determined in the manner and applied in the priority set
                                    forth  in  the  applicable  Prospectus  Supplement.  The
                                    aggregate Stated  Amount  of  a  Series  of  Multi-Class
                                    Certificates  may be  less than  the aggregate principal
                                    balance of the related Mortgage Loans.
Cut-Off Date......................  The  date   specified  in   the  applicable   Prospectus
                                    Supplement.
Distribution Dates................  Distributions  on  Standard  Certificates  and  Stripped
                                    Certificates will generally be made on the 25th day (or,
                                    if such  day is  not a  business day,  the business  day
                                    following  the 25th day) of  each month, commencing with
                                    the month following  the month in  which the  applicable
                                    Cut-Off  Date  occurs  (each,  a  "Distribution  Date").
                                    Distributions on Multi-Class  Certificates will be  made
                                    monthly,  quarterly,  or  semi-annually,  on  the  dates
                                    specified in the applicable Prospectus Supplement.
</TABLE>
 
                                       8
<PAGE>
 
<TABLE>
<S>                                 <C>
Record Dates......................  Distributions will be made on each Distribution Date  to
                                    Certificateholders of record at the close of business on
                                    (unless  a different date is specified in the applicable
                                    Prospectus Supplement)  the  last business  day  of  the
                                    month  preceding  the month  in which  such Distribution
                                    Date occurs (each, a "Record Date").
Interest..........................  With respect to a  Series of Certificates consisting  of
                                    Standard Certificates or Stripped Certificates, interest
                                    on   the  related  Mortgage   Loans  at  the  applicable
                                    pass-through rate  for  each  Class  and  Subclass  (the
                                    "Pass-Through  Rate"),  as set  forth in  the applicable
                                    Prospectus Supplement, will be passed through monthly to
                                    holders thereof, in accordance with the particular terms
                                    of  each  such   Certificate.  Holders  of   Multi-Class
                                    Certificates  will receive distributions  of interest on
                                    the Stated Amount of such Certificate, without regard to
                                    the  Net  Mortgage  Interest  Rate  on  the   underlying
                                    Mortgage  Loans. The Net Mortgage Interest Rate for each
                                    Mortgage Loan in a given period will equal the  mortgage
                                    interest  rate for such Mortgage Loan in such period, as
                                    specified in the  related mortgage  note (the  "Mortgage
                                    Interest  Rate"), less  the retained yield,  if any (the
                                    "Fixed Retained Yield"), and less an amount reserved for
                                    servicing the Mortgage  Loan and  administration of  the
                                    related  Trust  Estate and  related expenses  (the "Ser-
                                    vicing Fee").
Principal (Including
  Prepayments)....................  With respect  to a  Series of  Standard Certificates  or
                                    Stripped Certificates, unless otherwise specified in the
                                    applicable  Prospectus  Supplement,  principal  payments
                                    (including prepayments in full received on each  related
                                    Mortgage  Loan during  the month preceding  the month in
                                    which a Distribution Date occurs and partial prepayments
                                    received by the Servicer prior to the Determination Date
                                    preceding such Distribution Date) will be passed through
                                    to holders on such Distribution Date.
Distributions in Reduction of
  Stated Amount...................  With respect to  a Series  of Multi-Class  Certificates,
                                    distributions in reduction of Stated Amount will be made
                                    on  each Distribution Date to  the holders of each Class
                                    then entitled to  receive such  distributions until  the
                                    aggregate  amount of such distributions have reduced the
                                    Stated Amount  of each  such  Class of  Certificates  to
                                    zero.  Distributions in reduction  of Stated Amount will
                                    be allocated among the  Classes of such Certificates  in
                                    the   manner  specified  in  the  applicable  Prospectus
                                    Supplement. See "Description of the
                                    Certificates--Distributions to Multi-Class Cer-
                                    tificateholders."
Credit Enhancement................  A Series of Certificates may include one or more Classes
                                    of Senior  Certificates  and  one  or  more  Classes  of
                                    Subordinated  Certificates. The rights of the holders of
                                    Subordinated  Certificates  of   a  Series  to   receive
                                    distributions with respect to the related Mortgage Loans
                                    will  be subordinated to  such rights of  the holders of
                                    the Senior Certificates of the same Series to the extent
                                    (the "Subordinated Amount") specified in the  applicable
                                    Prospectus
</TABLE>
 
                                       9
<PAGE>
 
<TABLE>
<S>                                 <C>
                                    Supplement.  This subordination  is intended  to enhance
                                    the likelihood  of  the  timely receipt  by  the  Senior
                                    Certificateholders   of  their  proportionate  share  of
                                    scheduled monthly principal and interest payments on the
                                    related Mortgage  Loans  and  to  protect  them  against
                                    losses.   This  protection  will   be  effected  by  the
                                    preferential right of  the Senior Certificateholders  to
                                    receive  current distributions  on the  related Mortgage
                                    Loans and (if so specified in the applicable  Prospectus
                                    Supplement)  by the establishment of a reserve fund (the
                                    "Subordination  Reserve  Fund")  with  respect  to  each
                                    Series   of  Certificates  that   includes  a  Class  of
                                    Subordinated  Certificates.  Any  Subordination  Reserve
                                    Fund  may be  funded initially with  the Initial Deposit
                                    (as defined  herein)  in  an  amount  specified  in  the
                                    applicable Prospectus Supplement, and may be funded from
                                    time  to  time  from  payments  on  the  Mortgage  Loans
                                    otherwise distributable to the Subordinated
                                    Certificateholders in  the  manner  and  to  the  extent
                                    specified  in the applicable  Prospectus Supplement. The
                                    maintenance  of  any   Subordination  Reserve  Fund   is
                                    intended   to   provide   liquidity,   but   in  certain
                                    circumstances the  Subordination Reserve  Fund could  be
                                    depleted   and,   if   other   amounts   available   for
                                    distribution are insufficient, shortfalls in
                                    distributions to  the  Senior  Certificateholders  could
                                    result.  Until  the  Subordinated Amount  is  reduced to
                                    zero, Senior  Certificateholders  will  be  entitled  to
                                    receive  the amount of any such shortfall, together with
                                    interest at  the applicable  Pass-Through Rate,  on  the
                                    next   Distribution  Date   (as  defined   herein).  The
                                    Subordinated  Amount  is  intended  to  protect   Senior
                                    Certificateholders  against  losses; however,  if losses
                                    realized on the  Mortgage Loans  in a  Trust Estate  are
                                    exceptionally  high Senior  Certificateholders will bear
                                    their proportionate share of any losses realized on  the
                                    related  Mortgage  Loans  in  excess  of  the applicable
                                    Subordinated Amount.
                                    If so specified in the applicable Prospectus Supplement,
                                    the   protection   afforded   to   holders   of   Senior
                                    Certificates of a Series by the subordination of certain
                                    rights  of holders of  Subordinated Certificates of such
                                    Series to distributions  on the  related Mortgage  Loans
                                    may  be effected by  a method other  than that described
                                    above, such as, in the  event that the applicable  Trust
                                    Estate  (or a segregated pool  of assets therein) elects
                                    to be treated as a REMIC, the reallocation from time  to
                                    time, on the basis of distributions previously received,
                                    of  the  respective percentage  interests of  the Senior
                                    Certificates and  the Subordinated  Certificates in  the
                                    related   Trust   Estate.   See   "Description   of  the
                                    Certificates--Distributions to Percentage
                                    Certificateholders-- Shifting Interest Certificates."
                                    The Certificates  of  any Series,  or  any one  or  more
                                    Classes  thereof, may be  entitled to the  benefits of a
                                    guarantee, letter  of  credit, mortgage  pool  insurance
                                    policy  or other form of credit enhancement as specified
                                    in   the   applicable    Prospectus   Supplement.    See
                                    "Description of the Certificates" and "Credit Support."
</TABLE>
 
                                       10
<PAGE>
 
<TABLE>
<S>                                 <C>
Periodic Advances.................  In  the  event  of  delinquencies  in  payments  on  the
                                    Mortgage Loans, the Servicer will make advances of  cash
                                    ("Periodic  Advances")  to the  Certificate  Account (as
                                    defined  herein)  to  the   extent  that  the   Servicer
                                    determines  such Periodic Advances  would be recoverable
                                    from future  payments and  collections on  the  Mortgage
                                    Loans.  Any such Periodic  Advances will be reimbursable
                                    to the Servicer as described herein and in the  applica-
                                    ble   Prospectus  Supplement.  See   "Servicing  of  the
                                    Mortgage  Loans--Periodic   Advances   and   Limitations
                                    Thereon."
Optional Purchase of Mortgage
  Loans...........................  The  Seller may, at its option, repurchase any defaulted
                                    Mortgage  Loan.   See   "The   Trust   Estates--Mortgage
                                    Loans--Optional  Repurchases."  If so  specified  in the
                                    Prospectus Supplement with respect to a Series, all, but
                                    not less than all, of the Mortgage Loans in the  related
                                    Trust  Estate  and  any  property  acquired  in  respect
                                    thereof at the time, may  be purchased by the person  or
                                    persons  specified in such  Prospectus Supplement in the
                                    manner and  at the  price specified  in such  Prospectus
                                    Supplement.  In the  event that  an election  is made to
                                    treat the related Trust Estate (or a segregated pool  of
                                    assets  therein) as a  REMIC, any such  purchase will be
                                    effected only pursuant to a "qualified liquidation,"  as
                                    defined under Section 860F(a)(4)(A) of the Internal Rev-
                                    enue  Code of 1986, as amended (the "Code"). Exercise of
                                    the right of purchase  will effect the early  retirement
                                    of  the Certificates of that Series. See "Prepayment and
                                    Yield Considerations."
ERISA Limitations.................  A fiduciary of any employee benefit plan subject to  the
                                    fiduciary  responsibility  provisions  of  the  Employee
                                    Retirement Income  Security  Act  of  1974,  as  amended
                                    ("ERISA"),  including the "prohibited transaction" rules
                                    thereunder, and to the  corresponding provisions of  the
                                    Code,   should  carefully  review  with  its  own  legal
                                    advisors whether the purchase or holding of Certificates
                                    could give rise to a transaction prohibited or otherwise
                                    impermissible  under  ERISA  or  the  Code.  See  "ERISA
                                    Considerations."
Tax Status........................  The treatment of the Certificates for federal income tax
                                    purposes  will  be  determined (i)  by  whether  a REMIC
                                    election  is   made  with   respect  to   a  Series   of
                                    Certificates  and,  if  a  REMIC  election  is  made, by
                                    whether  the  Certificates  are  Regular  Interests   or
                                    Residual  Interests  and  (ii) by  whether,  if  a REMIC
                                    election is not  made, the Certificates  of such  Series
                                    are  Standard Certificates or Stripped Certificates. See
                                    "Certain Federal Income Tax Consequences."
Rating............................  It is  a  condition  to the  issuance  of  the  Stripped
                                    Certificates  and  the Multi-Class  Certificates  of any
                                    Series that they  be rated  in one of  the four  highest
                                    rating  categories by at least one nationally recognized
                                    statistical rating  organization  (a  "Rating  Agency").
                                    Standard  Certificates  may or  may  not be  rated  by a
                                    Rating Agency.
</TABLE>
 
                                       11
<PAGE>
                               THE TRUST ESTATES
 
GENERAL
 
    The  Trust Estate for  each Series of Certificates  will consist of Mortgage
Loans evidenced by promissory notes (the "Mortgage Notes") secured by mortgages,
deeds of trust or  other instruments creating first  liens (the "Mortgages")  on
some  or all of the  following types of property  (as so secured, the "Mortgaged
Properties"), to the extent set  forth in the applicable Prospectus  Supplement:
(i)  one- to four-family detached residences, (ii) townhouses, (iii) condominium
units, (iv) units within  planned unit developments,  (v) long-term leases  with
respect  to any of the  foregoing, and (vi) shares  issued by private non-profit
housing corporations  ("cooperatives") and  the  related proprietary  leases  or
occupancy agreements granting exclusive rights to occupy specified units in such
cooperatives'  buildings.  In addition,  a Trust  Estate  will also  include (i)
amounts held from  time to  time in the  related Certificate  Account, (ii)  the
Seller's  interest in  any primary  mortgage insurance,  hazard insurance, title
insurance or other  insurance policies relating  to a Mortgage  Loan, (iii)  any
property  which initially secured a Mortgage Loan and which has been acquired by
foreclosure or trustee's sale or deed in lieu of foreclosure or trustee's  sale,
(iv)  if applicable, and  to the extent  set forth in  the applicable Prospectus
Supplement, any Subordination Reserve Fund and/or any other reserve fund, (v) if
applicable, and to the extent set forth in the applicable Prospectus Supplement,
contractual obligations of any person to make payments in respect of any form of
credit enhancement or any interest subsidy agreement, and (vi) such other assets
as may be specified  in the applicable  Prospectus Supplement. Unless  otherwise
specified  in the  applicable Prospectus Supplement,  the Trust  Estate will not
include,  however,  the  portion  of  interest  on  the  Mortgage  Loans   which
constitutes  the Fixed  Retained Yield, if  any. See "Servicing  of the Mortgage
Loans--Fixed Retained Yield; Servicing Compensation and Payment of Expenses."
 
MORTGAGE LOANS
 
    The Mortgage Loans will have been acquired by the Seller from its  affiliate
PHMC  or another affiliate. The Mortgage Loans will have been originated by PHMC
for its  own account  or for  the  account of  an affiliate  or will  have  been
acquired  by PHMC for  its own account or  for the account  of an affiliate from
other mortgage loan originators. Each Mortgage Loan will have been  underwritten
to   PHMC's  standards.  See  "PHMC--  Mortgage  Loan  Production  Sources"  and
"--Mortgage Loan Underwriting." The Prospectus  Supplement for each Series  will
set  forth the  respective number  and principal  amounts of  Mortgage Loans (i)
originated by PHMC for its own account or for the account of its affiliates  and
(ii)  purchased by PHMC for its own account or for the account of its affiliates
from other  mortgage  loan originators  through  PHMC's mortgage  loan  purchase
programs.
 
    Each  of the  Mortgage Loans will  be secured  by a Mortgage  on a Mortgaged
Property located in any of the 50 states or the District of Columbia. Generally,
the land underlying a Mortgaged Property will consist of five acres or less  but
may  consist of greater acreage in PHMC's  discretion. The Mortgage Loans may be
secured by leases on real property  under circumstances that PHMC determines  in
its  discretion  are commonly  acceptable  to institutional  mortgage investors.
Generally, a  Mortgage Loan  will be  secured  by a  lease only  if the  use  of
leasehold  estates as security for mortgage loans  is customary in the area, the
lease is not subject to any prior  lien that could result in termination of  the
lease  and the term  of the lease ends  at least five  years beyond the maturity
date of the related Mortgage Loan. The Prospectus Supplement will set forth  the
geographic  distribution of  Mortgaged Properties  and the  number and aggregate
unpaid principal  balances  of  the  Mortgage Loans  by  category  of  Mortgaged
Property.
 
    The  Prospectus Supplement for each Series will  also set forth the range of
original terms  to maturity  of the  Mortgage  Loans in  the Trust  Estate,  the
weighted  average remaining term to stated maturity  at the Cut-Off Date of such
Mortgage Loans, the earliest and latest  months of origination of such  Mortgage
Loans,  the range  of Mortgage  Interest Rates  and Net  Mortgage Interest Rates
borne by such Mortgage Loans, if  such Mortgage Loans have varying Net  Mortgage
Interest Rates, the weighted average Net Mortgage Interest
 
                                       12
<PAGE>
Rate  at the  Cut-Off Date  of such Mortgage  Loans, the  range of Loan-to-Value
Ratios at  the  time of  origination  of such  Mortgage  Loans and  the  highest
outstanding principal balance at origination of any such Mortgage Loan.
 
    The  information with respect to the Mortgage Loans and Mortgaged Properties
described in the  preceding two paragraphs  may be presented  in the  Prospectus
Supplement  for a Series as  ranges in which the  actual characteristics of such
Mortgage Loans and Mortgaged Properties are expected to fall. In all such cases,
information as to the final characteristics of the Mortgage Loans and  Mortgaged
Properties will be available in a Current Report on Form 8-K which will be filed
with  the  Commission within  15 days  of  the initial  issuance of  the related
Series.
 
    Unless otherwise specified in the  applicable Prospectus Supplement, all  of
the Mortgage Loans in a Trust Estate will have monthly payments due on the first
of  each month (each, a "Due Date") and will be fully-amortizing Mortgage Loans,
each with a fixed rate of interest  and level monthly payments over the term  of
the  Mortgage Loan. If  so specified in the  applicable Prospectus Supplement, a
Trust Estate may include fully  amortizing, adjustable rate Mortgage Loans  with
Mortgage  Interest Rates adjusted  periodically, in the  manner specified in the
related Prospectus  Supplement. Unless  otherwise  specified in  the  applicable
Prospectus Supplement, no adjustable interest rate Mortgage Loan will be subject
to  a  possibility  of negative  amortization.  If specified  in  the applicable
Prospectus Supplement, fixed rates on certain Mortgage Loans may be converted to
adjustable rates and adjustable rates on certain Mortgage Loans may be converted
to fixed rates, in each case after  origination of such Mortgage Loans and  upon
the  satisfaction  of other  conditions specified  in the  applicable Prospectus
Supplement. Unless otherwise specified in the applicable Prospectus  Supplement,
in  either  such event,  the Pooling  and Servicing  Agreement will  require the
Servicer to repurchase each such converted Mortgage Loan at the price set  forth
in  the  applicable  Prospectus  Supplement.  If  specified  in  the  applicable
Prospectus Supplement, a  Trust Estate  may contain  convertible Mortgage  Loans
which  have converted prior to  the formation of the  Trust Estate and which are
subject to no further conversions.
 
    Unless otherwise  specified  in  the applicable  Prospectus  Supplement,  no
Mortgage  Loan will have had  at origination a Loan-to-Value  Ratio in excess of
90%. The Loan-to-Value  Ratio is the  ratio, expressed as  a percentage, of  the
principal  amount of the Mortgage  Loan at origination to  the lesser of (i) the
appraised value  of  the  related  Mortgaged  Property,  as  established  by  an
appraisal obtained by the originator generally no more than four months prior to
origination,  or  (ii) the  sale price  for  such property.  For the  purpose of
calculating the Loan-to-Value Ratio of any  Mortgage Loan that is the result  of
the  refinancing (including a refinancing for  "equity take out" purposes) of an
existing mortgage loan, the appraised value of the related Mortgaged Property is
generally determined by reference  to an appraisal  obtained in connection  with
the  origination  of the  replacement loan.  Unless  otherwise specified  in the
related Prospectus Supplement,  with respect  to a  Mortgage Loan  secured by  a
second  home,  an  owner-occupied  cooperative, a  high  rise  condominium  or a
non-owner occupied property, the  Loan-to-Value Ratio will  not exceed 80%,  and
with  respect to a Mortgage Loan which is made to refinance, for equity take out
purposes, an  existing  mortgage loan  on  a non-owner  occupied  property,  the
Loan-to-Value  Ratio  will generally  not exceed  75%.  Mortgage Loans  having a
Loan-to-Value Ratio in  excess of 80%  will not be  covered by primary  mortgage
insurance,   except  to  the  extent  specified  in  the  applicable  Prospectus
Supplement. See "PHMC--Mortgage Loan Underwriting."
 
    No assurance  can be  given that  values of  the Mortgaged  Properties  have
remained  or will remain at  the levels which existed  on the dates of appraisal
(or, where applicable, recertification of value) of the related Mortgage  Loans.
If  residential real estate  values generally or  in particular geographic areas
decline such  that  the outstanding  balances  of  the Mortgage  Loans  and  any
secondary  financing on  the Mortgaged Properties  in a  particular Trust Estate
become equal to or greater than the values of the related Mortgaged  Properties,
the  actual rates of delinquencies, foreclosures and losses could be higher than
those now generally experienced in the  mortgage lending industry and those  now
experienced  in  PHMC's  servicing  portfolio.  In  addition,  adverse  economic
conditions  generally,  in  particular   geographic  areas  or  industries,   or
 
                                       13
<PAGE>
affecting  particular segments  of the  borrowing community  (such as mortgagors
relying on commission  income and  self-employed mortgagors)  and other  factors
which  may or may  not affect real  property values, including  the purposes for
which the Mortgage Loans were made and the uses of the Mortgaged Properties, may
affect the timely payment by mortgagors  of scheduled payments of principal  and
interest   on  the  Mortgage  Loans  and,   accordingly,  the  actual  rates  of
delinquencies, foreclosures and  losses with  respect to any  Trust Estate.  See
"PHMC--Mortgage  Loan  Underwriting"  and  "Description  of  the  Certificates--
Weighted Average Life of  Certificates" herein. To the  extent that such  losses
are  not covered  by the  methods of  credit support  or the  insurance policies
described herein,  they will  be borne  by holders  of the  Certificates of  the
Series evidencing interests in such Trust Estate.
 
    Unless  otherwise  provided  in the  applicable  Prospectus  Supplement, all
Mortgage Loans will  be covered by  an appropriate standard  form American  Land
Title  Association ("ALTA") title  insurance policy, or  a substantially similar
policy or  form  of  insurance  acceptable  to  the  Federal  National  Mortgage
Association ("FNMA") or the Federal Home Loan Mortgage Corporation ("FHLMC").
 
    If  so specified in the applicable Prospectus Supplement, a Trust Estate may
contain  Mortgage  Loans  subject  to  temporary  interest  subsidy   agreements
("Subsidy  Loans") pursuant  to which the  monthly payments made  by the related
mortgagors will be  less than the  scheduled monthly payments  on such  Mortgage
Loans  with the present  value of the resulting  difference in payment ("Subsidy
Payments") being provided  by the  employer of  the mortgagor,  generally on  an
annual   basis.  Unless   otherwise  specified  in   the  applicable  Prospectus
Supplement, Subsidy Payments  will be  placed in a  custodial account  ("Subsidy
Account")  by  the  Servicer. Despite  the  existence  of a  subsidy  program, a
mortgagor remains  primarily  liable for  making  all scheduled  payments  on  a
Subsidy  Loan and for all other obligations provided for in the related Mortgage
Note and Mortgage Loan.
 
    Subsidy Loans are offered by employers generally through either a  graduated
or  fixed  subsidy loan  program, or  a  combination thereof.  The terms  of the
subsidy agreements relating  to Subsidy Loans  generally range from  one to  ten
years.  The subsidy agreements relating to  Subsidy Loans made under a graduated
program generally will  provide for  subsidy payments that  result in  effective
subsidized  interest rates between  three percentage points  and five percentage
points below  the Mortgage  Interest  Rates specified  in the  related  Mortgage
Notes.  Generally, under a graduated program, the subsidized rate for a Mortgage
Loan will increase approximately one percentage  point per year until it  equals
the full Mortgage Interest Rate. For example, if the initial subsidized interest
rate is five percentage points below the Mortgage Interest Rate in year one, the
subsidized  rate  will increase  to four  percentage  points below  the Mortgage
Interest Rate in year two, and likewise until year six, when the subsidized rate
will equal the Mortgage Interest Rate. Where the subsidy agreements relating  to
Subsidy  Loans are in effect for longer than five years, the subsidized interest
rates generally increase  at smaller  percentage increments for  each year.  The
subsidy  agreements  relating  to  Subsidy  Loans  made  under  a  fixed program
generally will  provide  for  subsidized interest  rates  at  fixed  percentages
(generally  one percentage  point to two  percentage points)  below the Mortgage
Interest Rates for  specified periods,  generally not  in excess  of ten  years.
Subsidy Loans are also offered pursuant to combination fixed/graduated programs.
The subsidy agreements relating to such Subsidy Loans generally will provide for
an  initial fixed  subsidy of  up to  five percentage  points below  the related
Mortgage Interest Rate for up  to five years, and  then a periodic reduction  in
the  subsidy for up to  five years, at an equal  fixed percentage per year until
the subsidized rate equals the Mortgage Interest Rate.
 
    Generally, employers may terminate subsidy programs in the event of (i)  the
mortgagor's  death, retirement,  resignation or termination  of employment, (ii)
the full prepayment  of the Subsidy  Loan by  the mortgagor, (iii)  the sale  or
transfer by the mortgagor of the related Mortgaged Property as a result of which
the  mortgagee  is  entitled to  accelerate  the  Subsidy Loan  pursuant  to the
"due-on-sale" clause  contained in  the Mortgage,  or (iv)  the commencement  of
foreclosure  proceedings or the acceptance of a  deed in lieu of foreclosure. In
addition, some  subsidy programs  provide  that if  prevailing market  rates  of
interest  on mortgage loans similar to a Subsidy Loan are less than the Mortgage
Interest Rate of such Subsidy Loan, the employer may request that the  mortgagor
refinance    such    Subsidy    Loan    and    may    terminate    the   related
 
                                       14
<PAGE>
subsidy agreement if the mortgagor fails to refinance such Subsidy Loan. In  the
event  the mortgagor  refinances such  Subsidy Loan,  the new  loan will  not be
included in the Trust Estate. See "Prepayment and Yield Considerations"  herein.
In  the event  a subsidy  agreement is terminated,  the amount  remaining in the
Subsidy Account will  be returned  to the employer,  and the  mortgagor will  be
obligated  to make the full amount of  all remaining scheduled payments, if any.
The mortgagor's reduced  monthly housing  expense as a  consequence of  payments
under  a  subsidy agreement  is  used by  PHMC  in determining  certain expense-
to-income ratios utilized  in underwriting a  Subsidy Loan. See  "PHMC--Mortgage
Loan Underwriting."
 
    If  so specified in the applicable Prospectus Supplement, a Trust Estate may
contain Mortgage Loans  subject to temporary  buy-down plans ("Buy-Down  Loans")
pursuant  to which the monthly  payments made by the  mortgagor during the early
years of the Mortgage Loan will be  less than the scheduled monthly payments  on
the  Mortgage Loan. The resulting difference  in payment will be compensated for
from an amount contributed  by the seller of  the related Mortgaged Property  or
another  source, including the  originator of the Mortgage  Loan (generally on a
present value basis) and, if so specified in the related Prospectus  Supplement,
placed  in a  custodial account  (the "Buy-Down Fund")  by the  Servicer. If the
mortgagor on a  Buy-Down Loan  prepays such Mortgage  Loan in  its entirety,  or
defaults on such Mortgage Loan and the Mortgaged Property is sold in liquidation
thereof,  during the period when  the mortgagor is not  obligated, on account of
the buy-down plan, to pay the full  monthly payment otherwise due on such  loan,
the  unpaid  principal balance  of such  Buy-Down  Loan will  be reduced  by the
amounts remaining in the Buy-Down Fund  with respect to such Buy-Down Loan,  and
such  amounts will be deposited in  the Certificate Account (as defined herein),
net of any  amounts paid  with respect  to such  Buy-Down Loan  by any  insurer,
guarantor or other person pursuant to a credit enhancement arrangement described
in the applicable Prospectus Supplement.
 
    If  so specified in the applicable Prospectus Supplement, a Trust Estate may
include Mortgage Loans which are amortized over 30 years but which have  shorter
terms  to maturity (each such  Mortgage Loan, a "Balloon  Loan") that causes the
outstanding principal balance of the related Mortgage Loan to be due and payable
at the  end  of  a  certain specified  period  (the  "Balloon  Period").  Unless
otherwise  specified in  the applicable  Prospectus Supplement,  the borrower of
such Balloon Loan  will be  obligated to  pay the  entire outstanding  principal
balance  of the Balloon  Loan at the end  of the related  Balloon Period. In the
event PHMC refinances a mortgagor's Balloon Loan at maturity, the new loan  will
not  be included in the Trust  Estate. See "Prepayment and Yield Considerations"
herein. A Trust Estate  may also include  other types of  Mortgage Loans to  the
extent set forth in the applicable Prospectus Supplement.
 
  INSURANCE POLICIES
 
    The Pooling and Servicing Agreement will require the Servicer to cause to be
maintained for each Mortgage Loan a standard hazard insurance policy issued by a
generally acceptable insurer insuring the improvements on the Mortgaged Property
underlying  such Mortgage Loan  against loss by fire,  with extended coverage (a
"Standard Hazard Insurance  Policy"). The Pooling  and Servicing Agreement  will
require  that such  Standard Hazard  Insurance Policy be  in an  amount at least
equal to the lesser of  100% of the insurable value  of the improvements on  the
Mortgaged  Property or  the principal balance  of such  Mortgage Loan; provided,
however, that such insurance may not be less than the minimum amount required to
fully compensate  for  any damage  or  loss on  a  replacement cost  basis.  The
Servicer  will also maintain  on property acquired upon  foreclosure, or deed in
lieu of foreclosure, of any Mortgage Loan, a Standard Hazard Insurance Policy in
an amount that is at least equal to the lesser of 100% of the insurable value of
the improvements which are a part of  such property or the principal balance  of
such  Mortgage Loan  plus accrued  interest and  liquidation expenses; provided,
however, that such insurance may not be less than the minimum amount required to
fully compensate for any damage or loss on a replacement cost basis. Any amounts
collected under  any such  policies (other  than amounts  to be  applied to  the
restoration  or repair of the Mortgaged Property  or released to the borrower in
accordance  with  normal  servicing  procedures)   will  be  deposited  in   the
Certificate Account.
 
                                       15
<PAGE>
    The Standard Hazard Insurance Policies covering the Mortgage Loans generally
will  cover  physical damage  to,  or destruction  of,  the improvements  on the
Mortgaged Property caused by fire, lightning, explosion, smoke, windstorm, hail,
riot, strike  and civil  commotion,  subject to  the conditions  and  exclusions
particularized  in each policy.  Because the Standard  Hazard Insurance Policies
relating to such Mortgage Loans will  be underwritten by different insurers  and
will  cover Mortgaged Properties  located in various  states, such policies will
not contain identical terms and conditions. The most significant terms  thereof,
however,  generally  will  be determined  by  state  law and  generally  will be
similar. Most  such  policies  typically  will not  cover  any  physical  damage
resulting  from the following: war, revolution, governmental actions, floods and
other water-related causes,  earth movement  (including earthquakes,  landslides
and  mudflows), nuclear  reaction, wet or  dry rot, vermin,  rodents, insects or
domestic animals,  hazardous  wastes  or hazardous  substances,  theft  and,  in
certain  cases, vandalism.  The foregoing list  is merely  indicative of certain
kinds of uninsured risks and is not all-inclusive.
 
    The Servicer may maintain a blanket policy insuring against hazard losses on
all of the  Mortgaged Properties in  lieu of maintaining  the required  Standard
Hazard  Insurance Policies. The  Servicer will be  liable for the  amount of any
deductible under a blanket policy  if such amount would  have been covered by  a
required Standard Hazard Insurance Policy, had it been maintained.
 
    In  general, if the improvements  on a Mortgaged Property  are located in an
area identified  in the  Federal Register  by the  Federal Emergency  Management
Agency  as having special flood hazards (and  such flood insurance has been made
available) the  Pooling and  Servicing Agreement  will require  the Servicer  to
cause  to be maintained a flood insurance policy meeting the requirements of the
current guidelines  of the  Federal Insurance  Administration with  a  generally
acceptable  insurance carrier.  Generally, the  Pooling and  Servicing Agreement
will require that such flood insurance be  in an amount not less than the  least
of  (i) the outstanding  principal balance of  the Mortgage Loan,  (ii) the full
insurable value of the  improvements, or (iii) the  maximum amount of  insurance
which  is available under the Flood Disaster Protection Act of 1973, as amended.
PHMC does not provide financing for flood zone properties located in communities
not participating  in  the National  Flood  Insurance Program  or  if  available
insurance coverage is, in its judgment, unrealistically low.
 
    Any  losses incurred with  respect to Mortgage Loans  due to uninsured risks
(including earthquakes,  mudflows,  floods  and hazardous  wastes  or  hazardous
substances) or insufficient hazard insurance proceeds could affect distributions
to the Certificateholders.
 
  ACQUISITION OF THE MORTGAGE LOANS FROM PHMC
 
    The  Seller will  have acquired  the Mortgage  Loans included  in each Trust
Estate from PHMC. In connection with the conveyance of the Mortgage Loans to the
Seller, PHMC will (i) agree to deliver to the Seller all of the documents  which
the   Seller  is  required  to  deliver   to  the  Trustee;  (ii)  make  certain
representations and warranties to the Seller which will be the basis of  certain
of  the Seller's representations and warranties  to the Trustee; and (iii) agree
to repurchase or substitute for any Mortgage Loan for which any document is  not
delivered  or is  found to  be defective  in any  material respect,  or which is
discovered at any  time not to  be in conformance  with the representations  and
warranties  PHMC has made to the Seller, if PHMC cannot deliver such document or
cure such defect or breach within  60 days after notice thereof. Such  agreement
will  inure to  the benefit of  the Trustee and  is intended to  help ensure the
Seller's performance of its limited  obligation to repurchase or substitute  for
Mortgage  Loans. See "The Trust  Estates--Mortgage Loans--Assignment of Mortgage
Loans to the Trustee," and "--Representations and Warranties."
 
  ASSIGNMENT OF MORTGAGE LOANS TO THE TRUSTEE
 
    At the time of issuance of  each Series of Certificates, the Mortgage  Loans
in  the  related  Trust Estate  will,  pursuant  to the  applicable  Pooling and
Servicing Agreement, be assigned to the Trustee, together with all principal and
interest received on or with respect to such Mortgage Loans after the applicable
Cut-Off Date other than principal and interest due and payable on or before such
Cut-Off Date  and interest  attributable to  the Fixed  Retained Yield  on  such
Mortgage   Loans,  if   any.  See   "Servicing  of   the  Mortgage  Loans--Fixed
 
                                       16
<PAGE>
Retained Yield, Servicing Compensation and Payment of Expenses." The Trustee  or
its  agent will, concurrently with such assignment, authenticate and deliver the
Certificates evidencing such Series to the  Seller in exchange for the  Mortgage
Loans.  Each Mortgage  Loan will  be identified  in a  schedule appearing  as an
exhibit to the applicable  Pooling and Servicing  Agreement. Each such  schedule
will  include, among other things, the unpaid  principal balance as of the close
of business on the applicable Cut-Off  Date, the maturity date and the  Mortgage
Interest Rate for each Mortgage Loan in the related Trust Estate.
 
    In  addition, with  respect to  each Mortgage  Loan in  a Trust  Estate, the
mortgage or other promissory note, any assumption, modification or conversion to
fixed interest rate agreement, a mortgage assignment in recordable form and  the
recorded  Mortgage (or other  documents as are required  under applicable law to
create a perfected security interest in  the Mortgaged Property in favor of  the
Trustee)  will  be delivered  to  the Trustee  (or  to a  designated custodian);
provided that, in instances where recorded documents cannot be delivered due  to
delays  in connection with recording, copies thereof, certified by the Seller to
be true  and  complete copies  of  such documents  sent  for recording,  may  be
delivered  and the original  recorded documents will  be delivered promptly upon
receipt. As to each Mortgage Loan for which there is primary mortgage insurance,
the certificate of primary mortgage insurance will be delivered to the  Trustee.
The  assignment of  each Mortgage  will be  recorded promptly  after the initial
issuance of Certificates for the related  Trust Estate, except in states  where,
in  the opinion  of counsel  acceptable to  the Trustee,  such recording  is not
required to protect  the Trustee's  interest in  the Mortgage  Loan against  the
claim  of  any subsequent  transferee or  any  successor to  or creditor  of the
Seller, PHMC or the originator of such Mortgage Loan.
 
    The  Trustee  will  hold  such  documents  in  trust  for  the  benefit   of
Certificateholders  of the related Series and  will review such documents within
45 days of the date  of the applicable Pooling  and Servicing Agreement. If  any
document  is not delivered or is found  to be defective in any material respect,
or if the  Seller is  in breach  of any  of its  representations and  warranties
contained  in such Pooling  and Servicing Agreement,  and such breach materially
and adversely  affects the  interests of  the Certificateholders  in a  Mortgage
Loan,  and the Seller cannot deliver such document or cure such defect or breach
within 60 days after written notice thereof, the Seller will, within 60 days  of
such  notice, either repurchase the related Mortgage  Loan from the Trustee at a
price equal  to the  then unpaid  principal balance  thereof, plus  accrued  and
unpaid  interest  at  the applicable  Mortgage  Interest Rate  (minus  any Fixed
Retained Yield) through the last day of the month in which such repurchase takes
place, or (in  the case of  a Series for  which a REMIC  election will be  made,
unless  the  maximum  period  as  may be  provided  by  the  Code  or applicable
regulations of the  Department of  the Treasury  ("Treasury Regulations")  shall
have  elapsed  since  the  execution of  the  applicable  Pooling  and Servicing
Agreement) substitute  for  such  Mortgage  Loan  a  new  mortgage  loan  having
characteristics  such that the representations and warranties of the Seller made
pursuant  to  the  applicable  Pooling  and  Servicing  Agreement  (except   for
representations  and warranties as to the correctness of the applicable schedule
of mortgage loans) would  not have been incorrect  had such substitute  Mortgage
Loan  originally been  a Mortgage  Loan. In the  case of  a repurchased Mortgage
Loan, the  purchase  price  will be  deposited  by  the Seller  in  the  related
Certificate  Account. In  the case of  a substitute Mortgage  Loan, the mortgage
file relating thereto will  be delivered to the  Trustee (or the custodian)  and
the Seller will deposit in the Certificate Account an amount equal to the excess
of  (i) the unpaid principal  balance of the Mortgage  Loan which is substituted
for, over (ii)  the unpaid principal  balance of the  substitute Mortgage  Loan,
together  with interest on such excess at  the Net Mortgage Interest Rate to the
next scheduled Due  Date of  the Mortgage Loan  which is  being substituted  for
(adjusted,  in the case of a Series for  which a REMIC election will be made, as
set forth in the applicable Pooling and Servicing Agreement, to ensure that  the
Trustee  will not recognize gain). In no event will any substitute Mortgage Loan
have an unpaid principal  balance greater than  the Scheduled Principal  Balance
(as  defined herein)  of the  Mortgage Loan for  which it  is substituted (after
giving  effect  to  the  scheduled  principal  payment  due  in  the  month   of
substitution  on the Mortgage Loan  substituted for), or a  term greater than, a
Mortgage Interest Rate less than, a Mortgage Interest Rate more than one percent
per annum greater than or a Loan-to-Value Ratio greater than, the Mortgage  Loan
for  which it is  substituted. If substitution  is to be  made for an adjustable
rate   Mortgage   Loan,   the   substitute   Mortgage   Loan   will   have    an
 
                                       17
<PAGE>
unpaid  principal balance no greater than the Scheduled Principal Balance of the
Mortgage Loan for which it is substituted (after giving effect to the  scheduled
principal  payment  due  in  the  month of  substitution  on  the  Mortgage Loan
substituted for), a Loan-to-Value  Ratio less than or  equal to, and a  Mortgage
Interest  Rate at  least equal  to, that of  the Mortgage  Loan for  which it is
substituted, and  will  bear  interest  based on  the  same  index,  margin  and
frequency  of  adjustment as  the  substituted Mortgage  Loan.  Unless otherwise
specified in the applicable Prospectus Supplement, the repurchase obligation and
the mortgage substitution referred  to above will  constitute the sole  remedies
available  to the Certificateholders  or the Trustee with  respect to missing or
defective documents or  breach of the  Seller's representations and  warranties.
Notwithstanding  the above, if an election is made to treat the Trust Estate (or
a segregated pool of assets therein) with respect to a Series of Certificates as
a REMIC (see "Certain Federal  Income Tax Consequences"), substitutions will  be
made only upon receipt by the Trustee of an opinion of counsel or other evidence
satisfactory  to the Trustee to the effect that such substitution will not cause
the Trust Estate  (or segregated pool  of assets) to  be subject to  the tax  on
"prohibited transactions" imposed by Code Section 860F(a), otherwise subject the
Trust  Estate  (or segregated  pool  of assets)  to  tax, cause  any replacement
mortgage not to constitute a "qualified replacement mortgage" within the meaning
of Code Section  860G(a)(4), or cause  the Trust Estate  (or segregated pool  of
assets)  to fail to qualify as a REMIC  while any Certificates of the Series are
outstanding. See "The  Trust Estates--Mortgage  Loans" with  respect to  certain
obligations  of PHMC in connection with  defective documentation and breaches of
representations and warranties as to the Mortgage Loans.
 
    The Trustee will be authorized to appoint a custodian to maintain possession
of the documents relating  to the Mortgage  Loans and to  conduct the review  of
such  documents  described  above.  The  custodian  will  keep  and  review such
documents as the Trustee's agent under a custodial agreement.
 
  REPRESENTATIONS AND WARRANTIES
 
    Unless otherwise provided in the applicable Pooling and Servicing  Agreement
for  a Series, the Seller will represent and warrant to the Trustee, among other
things, that as of the date of execution of the Pooling and Servicing Agreement,
with respect to the Mortgage Loans, or each Mortgage Loan, as the case may be:
 
        (i)   the  information set  forth  in  the schedule  of  Mortgage  Loans
    appearing  as an exhibit to such  Pooling and Servicing Agreement is correct
    in all  material  respects  at  the date  or  dates  respecting  which  such
    information is furnished as specified therein;
 
        (ii)  immediately prior to  the transfer and  assignment contemplated by
    the Pooling and Servicing Agreement, the Seller is the sole owner and holder
    of the Mortgage Loan, free and clear of any and all liens, pledges,  charges
    or security interests of any nature and has full right and authority to sell
    and assign the same;
 
        (iii)  the Mortgage is a valid, subsisting and enforceable first lien on
    the related Mortgaged Property, and the Mortgaged Property is free and clear
    of all encumbrances  and liens having  priority over the  first lien of  the
    Mortgage  except for liens for real estate taxes and special assessments not
    yet due and payable and liens or  interests arising under or as a result  of
    any  federal,  state  or  local law,  regulation  or  ordinance  relating to
    hazardous wastes or hazardous substances; and, if the Mortgaged Property  is
    a  condominium unit, any  lien for common charges  permitted by statute; and
    any security agreement, chattel mortgage or equivalent document related  to,
    and  delivered to the Trustee with, any Mortgage establishes in the Seller a
    valid first lien on the property  described therein and the Seller has  full
    right to sell and assign the same to the Trustee;
 
        (iv)  neither the  Seller nor  any prior holder  of the  Mortgage or the
    related Mortgage Note  has modified  the Mortgage in  any material  respect;
    satisfied,  cancelled or subordinated  the Mortgage or  the related Mortgage
    Note in whole or in part; or released the Mortgaged Property in whole or  in
    part
 
                                       18
<PAGE>
    from  the  lien of  the  Mortgage; or  executed  any instrument  of release,
    cancellation, modification or satisfaction, except in each case as reflected
    in a  document delivered  by the  Seller to  the Trustee  together with  the
    related Mortgage;
 
        (v)  all taxes, governmental assessments, insurance premiums, and water,
    sewer and municipal charges previously due  and owing have been paid, or  an
    escrow  of funds in  an amount sufficient  to pay for  every such item which
    remains unpaid has been established to the extent permitted by law; and  the
    Seller  has not advanced funds  or received any advance  of funds by a party
    other than the  mortgagor, directly  or indirectly (except  pursuant to  any
    Buy-Down  Loan or Subsidy  Loan arrangement), for the  payment of any amount
    required by the Mortgage, except for interest accruing from the date of  the
    related Mortgage Note or date of disbursement of the Mortgage Loan proceeds,
    whichever is later, to the date which precedes by 30 days the first Due Date
    under the related Mortgage Note;
 
        (vi)  to  the best  of the  Seller's knowledge,  there is  no proceeding
    pending or threatened for the total or partial condemnation of the Mortgaged
    Property and the Mortgaged Property is undamaged by water, fire,  earthquake
    or  earth movement, windstorm, flood, tornado or similar casualty (excluding
    casualty from the presence of  hazardous wastes or hazardous substances,  as
    to  which the Seller makes no representation), so as to affect adversely the
    value of the Mortgaged Property as security for the Mortgage Loan or the use
    for which the premises were intended;
 
        (vii) the Mortgaged  Property is free  and clear of  all mechanics'  and
    materialmen's  liens or liens in the nature thereof; provided, however, that
    this warranty shall  be deemed  not to  have been made  at the  time of  the
    initial  issuance  of  the  Certificates if  a  title  policy  affording, in
    substance, the same protection afforded by this warranty is furnished to the
    Trustee by the Seller;
 
        (viii) except for Mortgage Loans secured by shares in cooperatives,  the
    Mortgaged  Property consists  of a  fee simple  or leasehold  estate in real
    property, all of  the improvements  which are  included for  the purpose  of
    determining  the appraised value of the Mortgaged Property lie wholly within
    the boundaries  and  building restriction  lines  of such  property  and  no
    improvements  on adjoining  properties encroach upon  the Mortgaged Property
    (unless insured against under the applicable title insurance policy) and, to
    the  best  of  the  Seller's  knowledge,  the  Mortgaged  Property  and  all
    improvements  thereon comply with all  requirements of any applicable zoning
    and subdivision laws and ordinances;
 
        (ix) the Mortgage  Loan meets, or  is exempt from,  applicable state  or
    federal  laws, regulations and  other requirements pertaining  to usury, and
    the Mortgage Loan is not usurious;
 
        (x) to the best of the Seller's knowledge, all inspections, licenses and
    certificates required to  be made  or issued  with respect  to all  occupied
    portions  of  the  Mortgaged  Property  and, with  respect  to  the  use and
    occupancy of  the  same, including,  but  not limited  to,  certificates  of
    occupancy  and fire  underwriting certificates,  have been  made or obtained
    from the appropriate authorities;
 
        (xi) all payments  required to be  made up to  the Due Date  immediately
    preceding  the Cut-Off Date  for such Mortgage  Loan under the  terms of the
    related Mortgage Note have been made;
 
        (xii) the  Mortgage  Note, the  related  Mortgage and  other  agreements
    executed  in connection therewith are genuine,  and each is the legal, valid
    and binding obligation of the maker thereof, enforceable in accordance  with
    its  terms  except  as  such  enforcement  may  be  limited  by  bankruptcy,
    insolvency, reorganization or other  similar laws affecting the  enforcement
    of  creditors' rights generally and by general equity principles (regardless
    of whether such enforcement  is considered in a  proceeding in equity or  at
    law);  and,  to the  best  of the  Seller's  knowledge, all  parties  to the
    Mortgage Note and the  Mortgage had legal capacity  to execute the  Mortgage
    Note  and the Mortgage and each Mortgage Note and Mortgage has been duly and
    properly executed by the mortgagor;
 
                                       19
<PAGE>
        (xiii) any and all requirements of any federal, state or local law  with
    respect  to  the  origination  of  the  Mortgage  Loans  including,  without
    limitation, truth-in-lending,  real estate  settlement procedures,  consumer
    credit protection, equal credit opportunity or disclosure laws applicable to
    the Mortgage Loans have been complied with;
 
        (xiv)  the proceeds  of the  Mortgage Loans  have been  fully disbursed,
    there is  no requirement  for future  advances thereunder  and any  and  all
    requirements as to completion of any on-site or off-site improvements and as
    to  disbursements  of any  escrow funds  therefor  have been  complied with,
    except for escrow funds for exterior items which could not be completed  due
    to  weather; and all costs, fees and expenses incurred in making, closing or
    recording the  Mortgage Loan  have  been paid,  except recording  fees  with
    respect  to  Mortgages  not recorded  as  of  the date  of  the  Pooling and
    Servicing Agreement;
 
        (xv) the Mortgage Loan  (except any Mortgage  Loan secured by  Mortgaged
    Property  located in  Iowa, as to  which an  opinion of counsel  of the type
    customarily rendered in  such State in  lieu of title  insurance is  instead
    received)  is covered by  an ALTA mortgagee title  insurance policy or other
    generally acceptable  form of  policy  or insurance  acceptable to  FNMA  or
    FHLMC,  issued by a title  insurer acceptable to FNMA  or FHLMC insuring the
    originator, its successors and assigns, as to the first priority lien of the
    Mortgage in the original principal amount  of the Mortgage Loan and  subject
    only  to (A) the lien of current real property taxes and assessments not yet
    due and payable, (B) covenants, conditions and restrictions,  rights-of-way,
    easements  and other matters of public record as of the date of recording of
    such Mortgage acceptable  to mortgage  lending institutions in  the area  in
    which  the Mortgaged Property is located  or specifically referred to in the
    appraisal performed  in  connection  with the  origination  of  the  related
    Mortgage  Loan, (C)  liens created pursuant  to any federal,  state or local
    law, regulation or ordinance  affording liens for the  costs of clean-up  of
    hazardous   substances  or  hazardous  wastes  or  for  other  environmental
    protection purposes and (D) such other matters to which like properties  are
    commonly  subject which do not individually, or in the aggregate, materially
    interfere with the benefits of the  security intended to be provided by  the
    Mortgage;  the Seller is the sole  insured of such mortgagee title insurance
    policy, the  assignment to  the Trustee  of the  Seller's interest  in  such
    mortgagee  title  insurance  policy  does  not  require  any  consent  of or
    notification to  the insurer  which  has not  been  obtained or  made,  such
    mortgagee  title insurance policy is in full force and effect and will be in
    full force and effect and inure to the benefit of the Trustee and no  claims
    have  been made  under such mortgagee  title insurance policy,  and no prior
    holder of the related  Mortgage, including the Seller,  has done, by act  or
    omission,  anything which would impair the  coverage of such mortgagee title
    insurance policy;
 
        (xvi) the Mortgaged Property securing  each Mortgage Loan is insured  by
    an insurer acceptable to FNMA or FHLMC against loss by fire and such hazards
    as  are covered under a standard extended coverage endorsement, in an amount
    which is not  less than the  lesser of 100%  of the insurable  value of  the
    Mortgaged  Property and  the outstanding  principal balance  of the Mortgage
    Loan, but  in no  event less  than  the minimum  amount necessary  to  fully
    compensate  for  any damage  or loss  on  a replacement  cost basis;  if the
    Mortgaged Property is a condominium unit, it is included under the  coverage
    afforded  by a blanket  policy for the  project; if upon  origination of the
    Mortgage Loan, the improvements  on the Mortgaged Property  were in an  area
    identified  in  the Federal  Register  by the  Federal  Emergency Management
    Agency as having special flood hazards, a flood insurance policy meeting the
    requirements  of   the  current   guidelines   of  the   Federal   Insurance
    Administration  is in effect with  a generally acceptable insurance carrier,
    in an  amount representing  coverage not  less  than the  least of  (A)  the
    outstanding  principal balance of the Mortgage  Loan, (B) the full insurable
    value and (C) the maximum amount of insurance which was available under  the
    Flood  Disaster  Protection Act  of 1973;  and  each Mortgage  obligates the
    mortgagor thereunder to maintain all such insurance at the mortgagor's  cost
    and expense;
 
        (xvii)  to  the best  of the  Seller's knowledge,  there is  no default,
    breach, violation or event  of acceleration existing  under any Mortgage  or
    the    related   Mortgage    Note   and    no   event    which,   with   the
 
                                       20
<PAGE>
    passage of time  or with  notice and  the expiration  of any  grace or  cure
    period,   would  constitute  a  default,   breach,  violation  or  event  of
    acceleration; and the Seller has  not waived any default, breach,  violation
    or  event of acceleration;  no foreclosure action is  threatened or has been
    commenced with respect to the Mortgage Loan;
 
        (xviii) no  Mortgage  Note  or  Mortgage is  subject  to  any  right  of
    rescission,  set-off,  counterclaim  or defense,  including  the  defense of
    usury, nor will the operation  of any of the terms  of the Mortgage Note  or
    Mortgage,  or the  exercise of  any right  thereunder, render  such Mortgage
    unenforceable, in  whole  or  in  part,  or  subject  it  to  any  right  of
    rescission,  set-off,  counterclaim  or defense,  including  the  defense of
    usury, and no such right of rescission, set-off, counterclaim or defense has
    been asserted with respect thereto;
 
        (xix) each Mortgage Note  is payable in  monthly payments, resulting  in
    complete  amortization of the Mortgage Loan over a term of not more than 360
    months;
 
        (xx) each Mortgage contains customary and enforceable provisions such as
    to render the  rights and remedies  of the holder  thereof adequate for  the
    realization  against the Mortgaged Property of the benefits of the security,
    including realization  by judicial  foreclosure (subject  to any  limitation
    arising  from  any bankruptcy,  insolvency or  other law  for the  relief of
    debtors), and there  is no  homestead or  other exemption  available to  the
    mortgagor which would interfere with such right of foreclosure;
 
        (xxi) to the best of the Seller's knowledge, no mortgagor is a debtor in
    any state or federal bankruptcy or insolvency proceeding;
 
        (xxii)  each  Mortgaged Property  is located  in  the United  States and
    consists of a one- to four-unit single family residential property which may
    include a detached home, townhouse, condominium unit, unit in a planned unit
    development or a leasehold interest with respect to any of the foregoing or,
    in the case of Mortgage Loans  secured by shares of cooperatives, leases  or
    occupancy agreements;
 
        (xxiii) no payment required under any Mortgage Loan is more than 30 days
    past due and no Mortgage Loan had more than one delinquency in the preceding
    13 months; and
 
        (xxiv)  with respect to  each Buy-Down Loan, the  funds deposited in the
    Buy-Down Fund, if any, will be sufficient, together with interest thereon at
    the rate  customarily  received by  the  Seller on  such  funds,  compounded
    monthly,  and adding the  amounts required to  be paid by  the mortgagor, to
    make the scheduled payments stated in the Mortgage Note for the term of  the
    buy-down agreement.
 
    No representations or warranties are made by the Seller as to the absence or
effect  of  hazardous wastes  or hazardous  substances on  any of  the Mortgaged
Properties or on  the lien of  any Mortgage or  with respect to  the absence  or
effect  of  fraud in  the  origination of  any Mortgage  Loan,  and any  loss or
liability resulting  from  the presence  or  effect of  such  hazardous  wastes,
hazardous  substances or fraud  will be borne  solely by Certificateholders. See
"Certain Legal  Aspects  of the  Mortgage  Loans--Environmental  Considerations"
below.
 
    See  "The Trust  Estates--Mortgage Loans" for  a description  of the limited
remedies available in connection with breaches of the foregoing  representations
and warranties.
 
  OPTIONAL REPURCHASES
 
    The Seller may, at its option, repurchase any defaulted Mortgage Loan if, in
the  Seller's judgment,  the related default  is not  likely to be  cured by the
borrower, at a price equal to the unpaid principal balance thereof plus  accrued
interest thereon and under the conditions set forth in the applicable Prospectus
Supplement.
 
                                       21
<PAGE>
                        DESCRIPTION OF THE CERTIFICATES
 
GENERAL
 
    Each  Series  of  Certificates will  be  issued  pursuant to  a  Pooling and
Servicing Agreement (the "Pooling and Servicing Agreement") between the  Seller,
the  Servicer, and  the Trustee named  in the  applicable Prospectus Supplement.
Each Pooling and Servicing Agreement  will contain substantially the same  terms
and  conditions, except  for revisions of  defined terms  and certain provisions
regarding distributions to Certificateholders, credit support and other  similar
matters.  Illustrative forms of Pooling and  Servicing Agreement have been filed
as exhibits to the  Registration Statement of which  this Prospectus is a  part.
The  following summaries describe certain  provisions common to the Certificates
and to each Pooling and Servicing Agreement. The summaries do not purport to  be
complete  and are subject to,  and are qualified in  their entirety by reference
to, all of the provisions of the Pooling and Servicing Agreement for each Series
of Certificates and  the applicable Prospectus  Supplement. Wherever  particular
sections  or defined terms  of the Pooling and  Servicing Agreement are referred
to, such sections or defined terms are thereby incorporated herein by  reference
from  the forms  of Pooling  and Servicing  Agreement filed  as exhibits  to the
Registration Statement.
 
    Each Series  of  Certificates  will represent  ownership  interests  in  the
related  Trust Estate. An election  may be made to treat  the Trust Estate (or a
segregated pool of assets therein) with respect to a Series of Certificates as a
REMIC. If such  an election is  made, such Series  will consist of  one or  more
Classes  of  Certificates that  will  represent "regular  interests"  within the
meaning of Code Section 860G(a)(1) (such Class or Classes collectively  referred
to as the "Regular Certificates") and one Class or Subclass of Certificates with
respect to each REMIC that will be designated as "residual interests" within the
meaning  of Code  Section 860G(a)(2) (the  "Residual Certificates") representing
the right to receive distributions as specified in the Prospectus Supplement for
such Series. See "Certain Federal Income Tax Consequences" herein.
 
    The Seller may sell certain Classes  or Subclasses of the Certificates of  a
Series, including one or more Classes of Subordinated Certificates, in privately
negotiated  transactions  exempt  from registration  under  the  Securities Act.
Alternatively, if  so specified  in  a Prospectus  Supplement relating  to  such
Subordinated  Certificates,  the Seller  may offer  one or  more Classes  of the
Subordinated Certificates  of a  Series by  means of  this Prospectus  and  such
Prospectus Supplement.
 
    Unless  otherwise  specified in  the  applicable Prospectus  Supplement with
respect to a Series of Certificates, each Certificate offered hereby and by  the
applicable  Prospectus Supplement will  be issued in  fully registered form. The
Certificates of  a  Series  offered  hereby  and  by  means  of  the  applicable
Prospectus  Supplements will be  transferable and exchangeable  at the office or
agency maintained by the Trustee or such other entity for such purpose set forth
in the related  Prospectus Supplement. No  service charge will  be made for  any
transfer  or exchange of Certificates, but the  Trustee or such other entity may
require payment  of a  sum sufficient  to cover  any tax  or other  governmental
charge  in  connection with  such transfer  or  exchange. In  the event  that an
election is made  to treat  the Trust  Estate (or  a segregated  pool of  assets
therein)  as a REMIC, no  legal or beneficial interest in  all or any portion of
the "residual interest" thereof  may be transferred without  the receipt by  the
transferor  of an affidavit signed by the transferee stating that the transferee
is not a disqualified organization within the meaning of Code Section 860E(e) or
an agent (including  a broker, nominee,  or middleman) thereof  or a  Book-Entry
Nominee    (as   defined    herein).   See    "Certain   Federal    Income   Tax
Consequences--Federal Income Tax Consequences for REMIC Certificates--  Taxation
of  Residual  Certificates--Tax-Related  Restrictions  on  Transfer  of Residual
Certificates." In the  event that an  election is  not made to  treat the  Trust
Estate  (or a  segregated pool  of assets therein)  as a  REMIC, no Subordinated
Certificate may  be transferred  unless an  appropriate ruling  of the  Internal
Revenue  Service  or opinion  of  counsel is  obtained  to the  effect  that the
transfer will not result in the  arrangement contemplated under the Pooling  and
Servicing  Agreement being  treated as an  association taxable  as a corporation
under the Code.
 
                                       22
<PAGE>
    Unless  otherwise  specified  in   the  applicable  Prospectus   Supplement,
distributions  to  Certificateholders  of  all  Series  (other  than  the  final
distribution in retirement of the Certificates) will be made by check mailed  to
the  address of  the person  entitled thereto as  it appears  on the certificate
register, except that, with  respect to any holder  of a Certificate  evidencing
not  less  than  a certain  minimum  denomination  set forth  in  the applicable
Prospectus  Supplement,  distributions  will  be   made  by  wire  transfer   in
immediately  available funds,  provided that the  Servicer, or  the Paying Agent
acting on behalf  of the Servicer,  shall have been  furnished with  appropriate
wiring  instructions  not less  than three  business days  prior to  the related
Distribution Date. The final distribution in retirement of Certificates will  be
made  only upon presentation and surrender of  the Certificates at the office or
agency maintained by the Trustee or other entity for such purpose, as  specified
in the final distribution notice to Certificateholders.
 
    A  Series of Certificates  will consist of  one or more  Classes of Standard
Certificates  or  Stripped  Certificates  (referred  to  hereinafter   sometimes
collectively as "Percentage Certificates") or two or more Classes of Multi-Class
Certificates (each as described below).
 
PERCENTAGE CERTIFICATES
 
    Each  Series of Percentage  Certificates may include one  or more Classes of
Standard Certificates  or  Stripped Certificates,  any  Class of  which  may  be
divided  into two  or more Subclasses.  The Standard Certificates  of each Class
will evidence  fractional  undivided  interests  in all  of  the  principal  and
interest  (to the  extent of  the Net  Mortgage Interest  Rate) payments  on the
Mortgage Loans comprising the Trust Estate  related to such Series. Each  holder
of  a  Standard  Certificate  of  a  Class  will  be  entitled  to  receive  its
Certificate's percentage interest of the portion of the Pool Distribution Amount
(as defined below)  allocated to  such Class.  The percentage  interest of  each
Standard  Certificate will be  equal to the percentage  obtained by dividing the
aggregate unpaid principal  balance of  the Mortgage Loans  represented by  such
Standard  Certificate as of  the Cut-Off Date by  the aggregate unpaid principal
balance of the Mortgage  Loans represented by all  the Standard Certificates  of
the same Class as of the Cut-Off Date.
 
    The  Stripped Certificates of each  Class will evidence fractional undivided
interests in specified portions of the principal and/or interest payments on the
Mortgage Loans comprising the Trust Estate  related to such Series. The  holders
of the Stripped Certificates of each Class will be entitled to receive a portion
(which  may be zero) as specified in the applicable Prospectus Supplement of the
principal distributions comprising the Pool  Distribution Amount, and a  portion
(which  may be zero) as specified in the applicable Prospectus Supplement of the
interest  distributions  comprising  the   Pool  Distribution  Amount  on   each
Distribution Date.
 
    In  the case of  Classes of Stripped  Certificates representing interests in
interest distributions on the Mortgage Loans and not in principal  distributions
on  the  Mortgage  Loans,  such Certificates  will  be  denominated  in notional
amounts. The aggregate original notional amount for a Class of such Certificates
will be equal to the aggregate unpaid principal balance (or a specified  portion
thereof)  of  the  Mortgage  Loans  as of  the  Cut-Off  Date  specified  in the
applicable Prospectus  Supplement. The  notional amount  of each  such  Stripped
Certificate  will  be used  to  calculate the  holder's  pro rata  share  of the
interest distributions on the Mortgage Loans allocated to that Class and for the
determination of  certain other  rights of  holders of  such Class  of  Stripped
Certificates  and will not represent an interest  in, or entitle any such holder
to any distribution with respect to, any principal distributions on the Mortgage
Loans. Each such Certificate's  pro rata share of  the interest distribution  on
the  Mortgage Loans on each Distribution  Date will be calculated by multiplying
the interest distributions  on the Mortgage  Loans allocated to  its Class by  a
fraction,  the  numerator  of which  is  the  original notional  amount  of such
Stripped Certificate  and the  denominator of  which is  the aggregate  original
notional amount of all the Stripped Certificates of its Class.
 
    The  interest of a Class of Percentage Certificates representing an interest
in a Trust Estate (or a segregated pool of assets therein) with respect to which
an election to be  treated as a REMIC  has been made may  be fixed as  described
above  or may  vary over  time as  a result  of prepayments  received and losses
realized on the underlying Mortgage  Loans. A Series of Percentage  Certificates
comprised  of Classes whose percentage interests in the Trust Estate may vary is
referred to herein as a Series of "Shifting
 
                                       23
<PAGE>
Interest Certificates." Distributions  on, and  subordination arrangements  with
respect  to,  Shifting  Interest  Certificates  are  discussed  below  under the
headings  "Description   of   the  Certificates--Distributions   to   Percentage
Certificateholders--Shifting Interest Certificates" and "Credit
Support--Subordination--Shifting Interest Certificates."
 
MULTI-CLASS CERTIFICATES
 
    Each  Series may  include two or  more Classes  of Multi-Class Certificates.
Each Multi-Class Certificate will be assigned a Stated Amount. The Stated Amount
may be based on an  amount of principal of the  underlying Mortgage Loans or  on
the  value of  an amount  of future  cash flows  from the  related Trust Estate,
without distinction as to principal and interest received on the Mortgage Loans.
The initial  Stated  Amount  of  each  Class  within  a  Series  of  Multi-Class
Certificates will be specified in the applicable Prospectus Supplement. Interest
on the Classes of Multi-Class Certificates will be paid at rates specified in or
determined as specified in the applicable Prospectus Supplement, and will accrue
in  the manner  specified therein. Each  Series of  Multi-Class Certificates may
include one or more Classes of Certificates on which interest accrues but is not
payable until such  time as  specified in the  applicable Prospectus  Supplement
("Compound  Interest Certificates"), and interest accrued on any such Class will
be added to the Stated Amount thereof in the manner described therein.
 
DISTRIBUTIONS TO PERCENTAGE CERTIFICATEHOLDERS
 
  CERTIFICATES OTHER THAN SHIFTING INTEREST CERTIFICATES
 
    Except as otherwise specified in the applicable Prospectus Supplement, on or
about the  17th day  of each  month in  which a  Distribution Date  occurs  (the
"Determination  Date"), the Servicer will determine  the amount of the principal
and interest payments on the Mortgage Loans which will be distributed to holders
of each  Class  and  Subclass  of  Percentage  Certificates  on  the  succeeding
Distribution  Date. Such amounts will be distributed,  pro rata, to holders of a
Class or  Subclass  of Percentage  Certificates  (other than  Shifting  Interest
Certificates)  except, in the  case of Subordinated  Certificateholders, for any
amounts required to be paid to the holders of the related Senior Certificates or
deposited in the related Subordination Reserve Fund, if any. If the Certificates
of a Class include  two or more Subclasses,  the allocation of distributions  of
principal and interest among such Subclasses will be as specified in the related
Prospectus Supplement.
 
    CALCULATION  OF  DISTRIBUTABLE AMOUNTS.    On each  Determination  Date, the
Servicer  will   calculate  the   "Distributable  Amount"   for  the   following
Distribution  Date for each Class of Certificates. Unless otherwise specified in
the applicable Prospectus Supplement,  the Distributable Amount  for a Class  of
Senior  Certificates (a "Senior Class") of a  Series on a Distribution Date (the
"Senior Class Distributable Amount") will be an amount equal to the sum of:
 
         (i) the aggregate  undivided interest,  expressed as  a percentage  and
    specified   in  the  applicable  Prospectus  Supplement,  evidenced  by  all
    Certificates of such Senior Class (the "Senior Class Principal Portion") of:
 
           (a) all scheduled payments of principal on each outstanding  Mortgage
       Loan  that  became  due  on  the  Due  Date  immediately  preceding  such
       Distribution Date in  accordance with the  amortization schedules of  the
       related  Mortgage  Loans  (as adjusted  to  give effect  to  any previous
       prepayments), whether or not such payments were actually received by  the
       Servicer  (the aggregate of  such scheduled payments due  on any such Due
       Date being referred to herein as "Scheduled Principal"), and all  partial
       principal   prepayments  received  by  the   Servicer  on  or  after  the
       Determination Date  in  the  month  preceding  the  month  in  which  the
       Distribution  Date occurs (or after the Cut-Off  Date, in the case of the
       first Distribution Date) and prior to the Determination Date occurring in
       the month in which the Distribution Date occurs ("Curtailments");
 
           (b) all principal prepayments in full received by the Servicer during
       the month preceding the month in which such Distribution Date occurs; and
 
                                       24
<PAGE>
           (c)  the  unpaid principal  balance,  less any  amounts  with respect
       thereto constituting Late  Payments (as herein  defined) attributable  to
       principal,  and  less  any unreimbursed  Periodic  Advances  with respect
       thereto, of each  Mortgage Loan which  was repurchased by  the Seller  or
       purchased by the Servicer, as the case may be (as described in "The Trust
       Estates--Mortgage  Loans--Assignment of  Mortgage Loans  to the Trustee",
       "--Optional   Repurchases,"    and    "The    Pooling    and    Servicing
       Agreement--Termination;  Purchase of Certificates"), and of each Mortgage
       Loan in respect of which property was acquired, liquidated or foreclosed,
       and with respect to which  Liquidation Proceeds (as defined herein)  were
       received, during the month preceding the month in which such Distribution
       Date  occurs,  determined as  of  the date  each  such Mortgage  Loan was
       repurchased or purchased, as the case may be, or as of the date each such
       related property was acquired, liquidated or foreclosed, as the case  may
       be; and
 
        (ii)  interest  at  the  applicable Pass-Through  Rate  from  the second
    preceding Due Date to the  Due Date immediately preceding such  Distribution
    Date  on  the  Senior Class  Principal  Portion of  the  aggregate principal
    balance of  the  Mortgage Loans  as  of  the Cut-Off  Date,  less  scheduled
    amortization of principal thereon and any principal prepayments with respect
    thereto  through  the second  preceding Due  Date (the  "Scheduled Principal
    Balance"), whether  or  not  such  interest was  actually  received  by  the
    Servicer;  provided that interest attributable to the accrual of interest on
    any prepaid  Mortgage  Loan at  the  Net  Mortgage Interest  Rate  for  such
    Mortgage  Loan from the date of its  prepayment in full through the last day
    of the month in which such prepayment in full occurred ("Prepayment Interest
    Shortfall") is included only to the extent that funds for such purposes  are
    available out of the aggregate Servicing Fees; and
 
        (iii)  the sum of (a) the portion  that was included in the Senior Class
    Distributable Amount on  a prior  Distribution Date  of the  amount of  each
    scheduled  payment of principal and interest on  a Mortgage Loan not paid by
    the mortgagor  when  due, net  of  any unreimbursed  Periodic  Advance  with
    respect  thereto that was included in the Distributable Amount of each Class
    on a prior Distribution Date but  was not included in the Pool  Distribution
    Amount  until  the  current  Distribution Date  (such  net  amount,  a "Late
    Payment"), less the  aggregate amount, if  any, received by  the holders  of
    such  Senior  Certificates  on any  prior  Distribution Date  or  Dates with
    respect to such  Late Payment  from amounts otherwise  distributable to  the
    holders  of  Subordinated  Certificates  and  from  any  credit  enhancement
    available for the benefit of the Senior Certificateholders, and (b) interest
    on the amount set forth  in clause (a) above  at the Pass-Through Rate  from
    the  Distribution Date on which such Late  Payment was first included in the
    Distributable  Amount   for  such   Senior  Certificates   to  the   current
    Distribution  Date (the "Late Payment  Period"); provided that the foregoing
    amount will  be included  in  the Senior  Class  Distributable Amount  on  a
    Distribution  Date only to  the extent such  amount is included  in the Pool
    Distribution Amount with respect to such Distribution Date.
 
    Unless otherwise  specified in  the  applicable Prospectus  Supplement,  the
Distributable  Amount for a Class of Subordinated  Certificates of a Series on a
Distribution Date (the  "Subordinated Class  Distributable Amount")  will be  an
amount equal to the sum of:
 
         (i)  the aggregate  undivided interest,  expressed as  a percentage and
    specified  in  the  applicable  Prospectus  Supplement,  evidenced  by   all
    Subordinated Certificates (the "Subordinated Class Principal Portion") of:
 
           (a) all Scheduled Principal and all Curtailments;
 
           (b) all principal prepayments in full received by the Servicer during
       the month preceding the month in which such Distribution Date occurs; and
 
           (c)  the  unpaid principal  balance,  less any  amounts  with respect
       thereto constituting Late  Payments attributable to  principal, and  less
       any unreimbursed Periodic Advances with respect thereto, of each Mortgage
       Loan  which was repurchased  by the Seller or  purchased by the Servicer,
 
                                       25
<PAGE>
       and of each  Mortgage Loan  in respect  of which  property was  acquired,
       liquidated  or foreclosed, and with respect to which Liquidation Proceeds
       were received,  during  the  month  preceding the  month  in  which  such
       Distribution  Date occurs, determined  as of the  date each such Mortgage
       Loan was repurchased or purchased, as the case may be, or as of the  date
       each such related property was acquired, liquidated or foreclosed, as the
       case may be; and
 
        (ii)  interest  at  the  applicable Pass-Through  Rate  from  the second
    preceding Due Date to the  Due Date immediately preceding such  Distribution
    Date  on the Subordinated Class Principal Portion of the Scheduled Principal
    Balance of the Mortgage  Loans as of the  Determination Date preceding  such
    Distribution  Date, whether or not such  interest was actually received with
    respect to the Mortgage Loans;  provided that Prepayment Interest  Shortfall
    is  included only to the  extent that funds for  such purposes are available
    from the aggregate Servicing Fees; and
 
        (iii) the  sum  of  (a) each  Late  Payment  that was  included  in  the
    Subordinated  Class Distributable Amount  on a prior  Distribution Date plus
    the aggregate amount, if any,  received by the Senior Certificateholders  on
    any  prior Distribution Date or Dates with respect to such Late Payment from
    amounts  otherwise   available   for  distribution   to   the   Subordinated
    Certificateholders  on such  prior Distribution Date  or Dates,  or from the
    Subordination Reserve Fund and not attributable to the Initial Deposit,  and
    (b) interest on the amount set forth in clause (a) above at the Pass-Through
    Rate during the Late Payment Period; provided that the foregoing amount will
    be   included  in  the  Subordinated  Class  Distributable  Amount  on  such
    Distribution Date only  to the extent  such amount is  included in the  Pool
    Distribution Amount with respect to such Distribution Date.
 
    DETERMINATION  OF AMOUNTS TO BE DISTRIBUTED.   Unless otherwise specified in
the applicable  Prospectus  Supplement,  funds  available  for  distribution  to
Certificateholders  of a Series of Percentage  Certificates with respect to each
Distribution Date for such Series (the  "Pool Distribution Amount") will be  the
sum  of all  previously undistributed payments  or other receipts  on account of
principal (including principal prepayments and Liquidation Proceeds, if any) and
interest on or in respect of the related Mortgage Loans received by the Servicer
after the Cut-Off Date (except for amounts due on or prior to the Cut-Off Date),
or received by the Servicer  on or prior to the  Cut-Off Date but due after  the
Cut-Off  Date, in either case received on  or prior to the Determination Date in
the month in  which such Distribution  Date occurs, plus  all Periodic  Advances
made by the Servicer with respect to payments due to be received on the Mortgage
Loans  on  the Due  Date  preceding such  Distribution  Date, but  excluding the
following:
 
        (a)  amounts  received  as  late  payments  of  principal  or   interest
    respecting  which the Servicer previously has  made one or more unreimbursed
    Periodic Advances;
 
        (b) unreimbursed Periodic Advances  with respect to liquidated  Mortgage
    Loans;
 
        (c)  those portions of each payment of interest on a particular Mortgage
    Loan which represent  (i) the  Fixed Retained Yield,  if any,  and (ii)  the
    applicable Servicing Fee, as adjusted in respect of principal prepayments in
    full  as  described  in  "Servicing  of  the  Mortgage  Loans--Adjustment to
    Servicing Fee in Connection with Prepaid Mortgage Loans" below;
 
        (d)  all  amounts  representing  scheduled  payments  of  principal  and
    interest  due  after the  Due  Date occurring  in  the month  in  which such
    Distribution Date occurs;
 
        (e) all  principal  prepayments  in full  and  all  proceeds  (including
    Liquidation Proceeds) of any Mortgage Loans, or property acquired in respect
    thereof,  liquidated, foreclosed,  purchased or repurchased  pursuant to the
    applicable Pooling and  Servicing Agreement,  received on or  after the  Due
    Date  occurring in the month in which  such Distribution Date occurs and all
    Curtailments received by  the Servicer  on or after  the Determination  Date
    occurring  in  the month  in which  such Distribution  Date occurs,  and all
    related payments of interest on such amounts;
 
                                       26
<PAGE>
        (f)  that portion  of Liquidation Proceeds  which represents any  unpaid
    Servicing  Fee  to  which the  Servicer  is  entitled and  any  unpaid Fixed
    Retained Yield;
 
        (g) if an election has been made to treat the applicable Trust Estate as
    a REMIC, any Net Foreclosure Profits with respect to such Distribution Date.
    "Net Foreclosure Profits" with  respect to a Distribution  Date will be  the
    excess  of  (i)  the portion  of  aggregate net  Liquidation  Proceeds which
    represents the amount by  which aggregate profits  on Liquidated Loans  with
    respect  to  which  net  Liquidation Proceeds  exceed  the  unpaid principal
    balance thereof plus accrued interest thereon at the Mortgage Interest  Rate
    over  (ii) aggregate  realized losses  on Liquidated  Loans with  respect to
    which net Liquidation Proceeds  are less than  the unpaid principal  balance
    thereof plus accrued interest at the Mortgage Interest Rate.
 
        (h)  all  amounts  representing  certain  expenses  reimbursable  to the
    Servicer and other amounts  permitted to be withdrawn  by the Servicer  from
    the Certificate Account, in each case pursuant to the applicable Pooling and
    Servicing Agreement;
 
        (i)  all amounts in the nature of late fees, assumption fees, prepayment
    fees  and similar fees which the Servicer  is entitled to retain pursuant to
    the applicable Pooling and Servicing Agreement; and
 
        (j)   reinvestment  earnings on  payments  received in  respect  of  the
    Mortgage Loans.
 
    The Servicer will calculate the portion of the Distributable Amount for each
Class  of the Series that  is available to be paid  out of the Pool Distribution
Amount on such  date. The portion  so available  on a Distribution  Date to  the
Senior   Certificateholders   and   to   the   Subordinated   Certificateholders
(respectively, the "Senior Class Pro Rata Share" and the "Subordinated Class Pro
Rata Share")  will  be  the  amount  equal  to  the  product  of  (a)  the  Pool
Distribution  Amount for such date and (b)  a fraction the numerator of which is
the Distributable Amount  for such  Class on such  date and  the denominator  of
which is the sum of the Distributable Amounts for such Series on such date.
 
    On  each Distribution  Date for a  Series of  Percentage Certificates (other
than Shifting Interest Certificates), the holders of the Senior Certificates  of
such  Series will be entitled to receive the Senior Class Pro Rata Share of such
Class on such Distribution Date. In  addition, to the extent credit  enhancement
is  available on such  Distribution Date, the  Senior Certificateholders will be
entitled to receive the  amount by which the  Senior Class Distributable  Amount
plus   any  Senior  Class  Carryover  Shortfall   (as  defined  below)  on  such
Distribution Date exceeds the Senior Class  Pro Rata Share on such  Distribution
Date  (such excess  being referred to  herein as the  "Senior Class Shortfall").
Such credit  support  includes:  (a)  amounts  otherwise  distributable  to  the
Subordinated  Certificateholders on such Distribution Date and amounts available
for such  purpose in  the Subordination  Reserve Fund  as described  below;  (b)
amounts   held  in   the  Certificate   Account  for   future  distributions  to
Certificateholders;  and  (c)  amounts  available  under  any  form  of   credit
enhancement  (other  than subordination)  which is  specified in  the applicable
Prospectus Supplement.  See "Credit  Support"  below. The  manner in  which  any
available  credit support will  be allocated among Subclasses  of a Senior Class
will be set forth in the  applicable Prospectus Supplement. With respect to  any
Distribution  Date, the "Senior Class Carryover  Shortfall" means the excess, if
any, of (a) the amount the Senior Certificateholders were entitled to receive on
the prior  Distribution  Date  less the  amount  the  Senior  Certificateholders
received  on such prior Distribution Date, together with interest thereon at the
Pass-Through Rate of such Senior Class from such prior Distribution Date through
the current Distribution Date, over (b)  the portion of the amount specified  in
clause (a) constituting Late Payments, together with interest on such portion at
the  applicable Pass-Through Rate from such  prior Distribution Date through the
current Distribution Date, to the extent such Late Payments and interest thereon
are included  in  the Pool  Distribution  Amount  with respect  to  the  current
Distribution Date.
 
    With  respect to  a Series of  Percentage Certificates  (other than Shifting
Interest Certificates) including a Class of Subordinated Certificates, once  the
Subordinated  Amount is  reduced to zero,  any remaining  Senior Class Shortfall
with respect to a  Class of Senior  Certificates will cease  to be payable  from
amounts otherwise
 
                                       27
<PAGE>
distributable  to  the Subordinated  Certificateholders and  the amounts  in the
related Subordination Reserve  Fund, if  any, except  that the  portion of  such
Senior  Class Shortfall which is attributable to  the accrual of interest on the
Senior Class Carryover Shortfall (the  "Senior Class Shortfall Accruals")  shall
continue  to bear interest  at the applicable Pass-Through  Rate, and the Senior
Certificateholders shall continue to have a  preferential right to be paid  such
amounts   from   distributions   otherwise   available   to   the   Subordinated
Certificateholders  until  such  amount  (including  interest  thereon  at   the
applicable    Pass-Through    Rate)    is   paid    in    full.    See   "Credit
Support--Subordination" below.
 
    The Subordinated  Certificateholders  will be  entitled  to receive  on  any
Distribution Date an amount equal to the Subordinated Class Pro Rata Share less:
(a)  any amounts  required to  be distributed  to the  Senior Certificateholders
pursuant  to   the   subordination   of   the   rights   of   the   Subordinated
Certificateholders as described below; and (b) any amounts necessary to fund the
Subordination Reserve Fund as described below. See "Credit
Support--Subordination" below.
 
  SHIFTING INTEREST CERTIFICATES
 
    On  each Distribution Date  for a series  of Shifting Interest Certificates,
the Servicer will distribute on behalf of the Trustee or cause the Paying  Agent
to  distribute, as the case may be, to  the holders of record on the Record Date
of a Class of Senior Certificates, to the extent of the Pool Distribution Amount
with respect to  such Distribution Date  (as determined by  the Servicer on  the
related Determination Date in the same manner as described above with respect to
Percentage  Certificates other than Shifting Interest Certificates) and prior to
any distribution being made on the related Subordinated Certificates, an  amount
equal  to the  Senior Class Distribution  Amount. The  Senior Class Distribution
Amount will  (except  as  otherwise  set  forth  in  the  applicable  Prospectus
Supplement)  be calculated for  any Distribution Date  as the lesser  of (x) the
Pool Distribution Amount for such Distribution Date and (y) the sum of:
 
         (i) one month's interest  at the applicable  Pass-Through Rate on  such
    Class's  outstanding principal balance (less, if specified in the applicable
    Prospectus Supplement,  (a) the  amount by  which the  aggregate  Prepayment
    Interest Shortfall with respect to the preceding month exceeds the aggregate
    Servicing  Fees, in each case allocated to such Class on the basis set forth
    in the related Prospectus Supplement and/or (b) one month's interest at  the
    applicable  Net Mortgage Interest Rate on such Class's percentage, specified
    in the applicable Prospectus Supplement, of the Scheduled Principal  Balance
    of  each Special Hazard  Mortgage Loan (as defined  below) covered by clause
    (iv) below);
 
        (ii) if distribution of  the amount of  interest calculated pursuant  to
    clause (i) above on any prior Distribution Date was not made in full on such
    prior  Distribution Date, an amount equal  to (a) the difference between (x)
    the amount of interest which the  holders of such Class would have  received
    on  the prior Distribution Date if there had been sufficient funds available
    in  the  Certificate  Account  and  (y)  the  amount  of  interest  actually
    distributed  to such  holders on such  prior Distribution  Date (the "Unpaid
    Interest  Shortfall")  less   (b)  the  aggregate   amount  distributed   on
    Distribution  Dates subsequent to such  prior Distribution Date with respect
    to the Unpaid Interest Shortfall;
 
        (iii) such Class's percentage, calculated as provided in the  applicable
    Prospectus  Supplement, of  (a) all scheduled  payments of  principal due on
    each outstanding Mortgage Loan,  on the Due Date  occurring in the month  in
    which  the Distribution Date  occurs, (b) all  partial principal prepayments
    received by  the  Servicer in  reduction  of  the unpaid  principal  of  any
    Mortgage  Loan on or after the Determination Date in the month preceding the
    month in which the Distribution Date  occurs (or after the Cut-Off Date,  in
    the case of the first Distribution Date) and prior to the Determination Date
    occurring in the month in which the Distribution Date occurs, and (c) except
    for  Special  Hazard  Mortgage  Loans  covered  by  clause  (iv)  below, the
    Scheduled Principal  Balance  of  each  Mortgage  Loan  which,  during  such
    preceding month, (i) was the subject of a principal prepayment in full, (ii)
    became a liquidated Mortgage Loan, or (iii) was repurchased by the Seller or
    purchased  by the person  or persons specified  in the applicable Prospectus
    Supplement pursuant to the Pooling and Servicing Agreement; and
 
                                       28
<PAGE>
        (iv) such Class's specified percentage  of the net Liquidation  Proceeds
    from  any Mortgage  Loan that became  a Special Hazard  Mortgage Loan during
    such preceding month (but  only if the Special  Hazard Termination Date  (as
    defined below) has occurred);
 
provided  that, if such Distribution Date falls  on or after the Cross-Over Date
(i.e., the date on which the amount of principal payments on the Mortgage  Loans
to  which the holders of the  related Subordinated Certificates are entitled has
been reduced to zero as a result of the allocation of losses to the Subordinated
Certificates), then the Senior Class Distribution Amount will instead equal  the
lesser of (x) the Pool Distribution Amount and (y) the sum of the items referred
to  above plus the amount by which such Class's outstanding principal balance as
of such Distribution  Date exceeds the  Pool Scheduled Principal  Balance as  of
such  Distribution  Date.  The  Pool  Scheduled  Principal  Balance  as  of  any
Distribution Date is the  aggregate of the Scheduled  Principal Balances of  all
Mortgage  Loans in a Trust Estate that were  outstanding on the first day of the
month prior  to  the month  in  which such  Distribution  Date falls.  The  Pool
Scheduled  Principal  Balance  is  determined  after  taking  into  account  all
Curtailments applied by the Servicer on such first day of the month prior to the
month in  which  such  Distribution  Date falls.  Under  its  current  servicing
practices,  Curtailments received  in any month  are applied by  the Servicer in
reduction of the unpaid principal balance of the related Mortgage Loan as of the
first day of such month.
 
    If so provided in the applicable Prospectus Supplement, one or more  Classes
of  Senior  Certificates will  also  be entitled  to  receive, as  its  or their
specified percentage(s) referred  to in clauses  (y)(iii)(b) and  (y)(iii)(c)(i)
above,  all partial principal prepayments and  all principal prepayments in full
on the Mortgage Loans in the related Trust Estate under the circumstances or for
the period of time specified therein, which will have the effect of accelerating
the amortization  of the  Senior Certificates  while increasing  the  respective
interest evidenced by the Subordinated Certificates in the related Trust Estate.
Increasing  the respective interest of the Subordinated Certificates relative to
that of the Senior Certificates is intended to preserve the availability of  the
subordination provided by the Subordinated Certificates.
 
    If  the Special Hazard Termination Date would occur on any Distribution Date
under the circumstances  referred to in  "Credit Support--Subordination"  below,
the  Senior Class Distribution  Amount for each Class  of Senior Certificates of
such Series calculated  as set  forth in the  two preceding  paragraphs will  be
modified to the extent described in such section.
 
    Amounts distributed to a Class of Senior Certificates on a Distribution Date
will  be deemed to be applied first to  the payment of current interest, if any,
due on such Class (i.e., the amount calculated pursuant to clause (y)(i) of  the
third  preceding  paragraph),  second  to the  payment  of  any  Unpaid Interest
Shortfall (i.e.,  the  amount calculated  pursuant  to clause  (y)(ii)  of  such
paragraph)  and third  to the payment  of principal,  if any, due  on such Class
(i.e., the aggregate of the amounts calculated pursuant to clauses (y)(iii)  and
(y)(iv) of such paragraph).
 
    As  indicated above, in the  event that the Pool  Distribution Amount on any
Distribution Date is  not sufficient to  make the full  distribution of  current
interest  to the holders of a Class  of Senior Certificates entitled to payments
of interest, the  difference between the  amount of current  interest which  the
holders of such Class would have received on such Distribution Date if there had
been  sufficient funds  available and  the amount  actually distributed  will be
added to the amount of interest which the holders of such Class are entitled  to
receive  on  the  next  Distribution Date.  Unless  otherwise  specified  in the
applicable Prospectus Supplement, the amount  of any such interest shortfall  so
carried forward will not bear interest.
 
    If  the Pool Distribution Amount is insufficient on any Distribution Date to
make the full distribution of principal  due on a Class of Senior  Certificates,
the  percentage  of  principal  payments  to which  the  holders  of  the Senior
Certificates would be entitled on  the immediately succeeding Distribution  Date
will be increased. This increase will have the effect of reducing, as a relative
matter,  the respective interest of the holders of the Subordinated Certificates
in future  payments of  principal on  the related  Mortgage Loans.  If the  Pool
Distribution  Amount is not sufficient to make full distribution described above
to the holders of  all Classes of Senior  Certificates on any Distribution  Date
(assuming    that    more   than    one    Class   or    Subclass    of   Senior
 
                                       29
<PAGE>
Certificates of a  Series has been  issued), unless otherwise  specified in  the
applicable  Prospectus Supplement,  the holders of  each such  Class or Subclass
will share  in the  funds actually  available in  proportion to  the  respective
amounts  that  each such  Class or  Subclass  would have  received had  the Pool
Distribution Amount been sufficient  to make the  full distribution of  interest
and principal due to each such Class or Subclass.
 
    Unless  otherwise  provided in  the related  Prospectus Supplement,  on each
Distribution Date the holders of  the related Subordinated Certificates will  be
entitled  to receive (in the amounts specified therein if there is more than one
Class of Subordinated Certificates), out of funds available for distribution  in
the  related  Certificate  Account on  such  date, all  amounts  remaining after
deduction of  the amounts  required to  be  distributed to  the holders  of  all
Classes of Senior Certificates of the same Series.
 
EXAMPLE OF DISTRIBUTION TO PERCENTAGE CERTIFICATEHOLDERS
 
    The  following  chart  sets  forth  an example  of  the  application  of the
foregoing provisions  to the  first two  months of  the related  Trust  Estate's
existence,  assuming the Certificates are issued in the month of January, with a
Distribution Date on the 25th of each month and a Determination Date on the 17th
of each month:
 
<TABLE>
<S>                               <C>
January 1(A)....................  Cut-Off Date.
January 2-January 31(B).........  The Servicer receives  any principal  prepayments in  full
                                  (including  prepayments due  to liquidation)  and interest
                                  thereon to date of prepayment.
January 31(C)...................  Record Date.
February 1-February 17(D).......  The Servicer receives scheduled payments of principal  and
                                  interest due on February 1.
February 17(E)..................  Determination Date.
February 25(F)..................  Distribution Date.
</TABLE>
 
- ------------------------
(A) The initial unpaid principal balance of the Mortgage Loans in a Trust Estate
    would be the aggregate unpaid principal balance of the Mortgage Loans at the
    close of business on January 1, after deducting principal payments due on or
    before  such date. Those principal  payments due on or  before January 1 and
    the related interest  payments, would not  be part of  the Trust Estate  and
    would be remitted by the Servicer to the Seller when received.
 
(B) Principal  prepayments in full received during this period would be credited
    to the Certificate  Account for  distribution to  Certificateholders on  the
    February  25 Distribution Date. When  a Mortgage Loan is  prepaid in full or
    liquidated or an insurance claim with respect to a Mortgage Loan is settled,
    interest on  the amount  prepaid, liquidated  or received  in settlement  is
    collected  only from the last scheduled Due  Date to the date of prepayment,
    liquidation or settlement. In addition, when  a Mortgage Loan is prepaid  in
    part  and  such payment  is applied  as of  a  date other  than a  Due Date,
    interest is charged on such payment only to the date applied. To the  extent
    funds  are available from the aggregate Servicing Fees relating to mortgagor
    payments or  other  recoveries  distributed  to  Certificateholders  on  the
    related  Distribution Date, the Servicer would make an additional payment to
    Certificateholders with respect to any Mortgage Loan that prepaid in full in
    January equal to the  amount of interest  on such Mortgage  Loan at the  Net
    Mortgage  Interest  Rate  for  such  Mortgage Loan  from  the  date  of such
    prepayment in full through January 31.
 
(C) Distributions in the month of February will be made to Certificateholders of
    record at the close of business on this date.
 
(D) Scheduled monthly payments  on the  Mortgage Loans  due on  February 1,  and
    partial  principal prepayments received by the  Servicer in reduction of the
    unpaid principal balance of any Mortgage Loan prior to February 17, will  be
    deposited in the Certificate Account as received by the Servicer and will be
    distributed  to  Certificateholders on  the  February 25  Distribution Date.
    Principal prepayments  in  full,  liquidation  proceeds  and  proceeds  with
    respect  to the repurchase or purchase of any of the Mortgage Loans, in each
    case received during this period, and partial principal prepayments received
    on or after
 
                                         (FOOTNOTES CONTINUED ON FOLLOWING PAGE)
 
                                       30
<PAGE>
    Succeeding monthly periods  follow the  pattern of (B)  through (F),  except
that the period in (B) begins on the first of the month.
 
DISTRIBUTIONS TO MULTI-CLASS CERTIFICATEHOLDERS
 
    The following description of distributions to Multi-Class Certificateholders
is  one  example of  how such  distributions may  be determined.  The Prospectus
Supplement  for  a  Series  may  provide   for  a  different  manner  in   which
distributions  to  Multi-Class Certificateholders  will  be determined  for such
Series so long as such Multi-Class  Certificates are rated upon issuance in  one
of the four highest rating categories by at least one Rating Agency.
 
    Except  as  otherwise set  forth  in the  applicable  Prospectus Supplement,
distributions of interest and distributions in reduction of the Stated Amount of
Multi-Class Certificates  will be  made from  the Pool  Distribution Amount  (as
determined  by the Servicer on the related Determination Date in the same manner
as described above with  respect to Series of  Percentage Certificates) on  each
Distribution  Date for such Series to the holders of each Class then entitled to
receive such distributions until the aggregate amount of such distributions have
reduced  the  Stated  Amount  of  each  such  Class  of  Certificates  to  zero.
Distributions  in reduction of Stated Amount will be allocated among the Classes
of such  Certificates  in the  manner  specified in  the  applicable  Prospectus
Supplement.  If so specified  in the related  Prospectus Supplement, such Series
may include Classes designed to receive principal payments using a predetermined
schedule  such  as   planned  amortization  class   certificates  and   targeted
amortization class certificates and Classes that receive principal payments only
if  other designated Classes receive  their scheduled payments. Unless otherwise
specified  in  the  applicable  Prospectus  Supplement,  all  distributions   in
reduction  of the Stated Amount  of a Class of  Multi-Class Certificates will be
made pro rata among the Certificates of such Class.
 
    Unless otherwise specified in the Prospectus Supplement relating to a Series
of Certificates, the aggregate amount that  will be distributed in reduction  of
Stated  Amount to holders of Multi-Class  Certificates of a Series then entitled
thereto on any Distribution Date for such Series will equal, to the extent funds
are
 
- --------------------------------------------------------------------------------
(FOOTNOTES CONTINUED FROM PRECEDING PAGE)
    February 17, will be  deposited in the Certificate  Account but will not  be
    distributed  to  Certificateholders on  the  February 25  Distribution Date.
    Instead, such  amounts  will be  credited  to the  Certificate  Account  for
    distribution to Certificateholders on the March 25 Distribution Date.
 
(E) As  of the close of business on February 17, the Servicer will determine the
    amounts of Periodic Advances and the amounts of principal and interest which
    will be distributed to the Certificateholders, including scheduled  payments
    due  on or before February 1 which  have been received on or before February
    17, partial principal prepayments received  by the Servicer in reduction  of
    the  unpaid principal balance of any Mortgage  Loan prior to February 17 and
    principal prepayments  in  full,  liquidation proceeds,  and  proceeds  with
    respect to the repurchase or purchase of any of the Mortgage Loans, received
    during  the  period commencing  January  2 and  ending  on January  31. With
    respect to  each  Series of  Percentage  Certificates, other  than  Shifting
    Interest  Certificates, the Servicer will calculate the Distributable Amount
    and  the  Pro  Rata  Share  for   each  Class,  and  the  amount   otherwise
    distributable  to the Subordinated Class, together  with amounts, if any, in
    the Subordination Reserve  Fund, will  be available,  to the  extent of  the
    Subordinated  Amount,  to increase  the amount  distributable to  the Senior
    Class or  Classes  up to  the  Senior Class  Shortfall  in respect  of  such
    Classes.  With respect to each Series of Shifting Interest Certificates, the
    Servicer will calculate the Senior Class Distribution Amount for each Senior
    Class and will determine the percentage interests of each Senior Class to be
    used in connection with calculating  Senior Class Distribution Amounts  with
    respect  to the March 25 Distribution Date. If applicable, the Servicer will
    calculate the  amounts  payable in  respect  of  any other  form  of  credit
    enhancement.
 
(F) Unless  otherwise  so specified  in the  related Prospectus  Supplement, the
    Servicer or the Paying Agent  will make distributions to  Certificateholders
    on the 25th day of each month, or if such 25th day is not a business day, on
    the next business day.
 
                                       31
<PAGE>
available,  the sum of  (i) the Multi-Class  Certificate Distribution Amount (as
defined herein)  and  (ii)  if  and  to the  extent  specified  in  the  related
Prospectus Supplement, the applicable percentage of the Spread specified in such
Prospectus Supplement.
 
    Unless  otherwise  specified in  the  applicable Prospectus  Supplement, the
"Multi-Class Certificate  Distribution Amount"  with respect  to a  Distribution
Date  for a Series of Multi-Class Certificates will equal the amount, if any, by
which the Stated Amount  of the Multi-Class Certificates  of such Series  (after
taking  into account the amount of interest to  be added to the Stated Amount of
any Class of Compound Interest Certificates on such Distribution Date and before
giving effect  to  any distributions  in  reduction  of Stated  Amount  on  such
Distribution  Date) exceeds the  Pool Value (as defined  herein) of the Mortgage
Loans included in the Trust Estate for such  Series as of the end of the  period
(a "Due Period") specified in the related Prospectus Supplement. For purposes of
determining  the Multi-Class Certificate  Distribution Amount with  respect to a
Distribution Date for  a Series of  Certificates having one  or more Classes  of
Multi-Class  Certificates, the Pool Value of  the Mortgage Loans included in the
Trust Estate for  such Certificates  will be reduced  to take  into account  all
distributions thereon received by the Trustee during the applicable Due Period.
 
    Unless otherwise specified in the applicable Prospectus Supplement, "Spread"
with  respect to  a Distribution Date  for a Series  of Multi-Class Certificates
will be the excess of (a) the sum of (i) all payments of principal and  interest
received on the related Mortgage Loans (net of the Fixed Retained Yield, if any,
and the applicable Servicing Fee with respect to such Mortgage Loans) in the Due
Period  applicable to such Distribution  Date and, in the  case of the first Due
Period, any amount  deposited by the  Seller in the  Certificate Account on  the
Closing  Date, (ii) income from  reinvestment thereof, if any,  and (iii) to the
extent specified in  the applicable  Prospectus Supplement, the  amount of  cash
withdrawn  from any  reserve fund  or available under  any other  form of credit
enhancement for such Series, over (b) the sum of (i) all interest distributed on
the Multi-Class Certificates of such Series on such Distribution Date, (ii)  the
Multi-Class Certificate Distribution Amount for such Series with respect to such
Distribution Date, (iii) if applicable to such Series, any Special Distributions
(as  described  below) in  reduction  of the  Stated  Amount of  the Multi-Class
Certificates of such Series made since the preceding Distribution Date for  such
Series (or since the Closing Date in the case of the first Distribution Date for
such  Series),  including any  accrued  interest distributed  with  such Special
Distributions, (iv) all administrative and other expenses relating to the  Trust
Estate  payable during  the Due Period  preceding such  Distribution Date, other
than such expenses which are payable by the Servicer, and any amount required to
be deposited  into any  reserve fund  from funds  allocable to  the  Multi-Class
Certificates in the Certificate Account. Reinvestment income on any reserve fund
will  not be included in Spread except to the extent that reinvestment income is
taken into account in calculating the initial amount required to be deposited in
such reserve fund, if any.
 
  VALUATION OF MORTGAGE LOANS
 
    If  specified  in  the  Prospectus  Supplement  relating  to  a  series   of
Multi-Class  Certificates, for purposes of  establishing the principal amount of
Mortgage Loans that will  be included in  a Trust Estate  for such Series,  each
Mortgage  Loan to be included  in such Trust Estate  will be assigned an initial
"Pool  Value."  Unless   otherwise  specified  in   the  applicable   Prospectus
Supplement,  the Pool  Value of  each Mortgage  Loan in  the Trust  Estate for a
Series is the Stated  Amount of Multi-Class Certificates  of such Series  which,
based  upon  certain  assumptions  and regardless  of  any  prepayments  on such
Mortgage Loans, can  be supported  by the  scheduled payments  of principal  and
interest  on  such Mortgage  Loans  (net of  the  Fixed Retained  Yield  on such
Mortgage Loans,  if  any,  and  the applicable  Servicing  Fee),  together  with
reinvestment  earnings thereon, if any, at the Assumed Reinvestment Rate for the
period specified in the related  Prospectus Supplement and amounts available  to
be  withdrawn (if  applicable) from  any reserve  fund for  such Series,  all as
specified in the applicable Prospectus Supplement. In calculating the Pool Value
of a Mortgage Loan  included in the Trust  Estate, future distributions on  such
Mortgage  Loan will be  determined based on scheduled  payments on such Mortgage
Loan. Any  similar Mortgage  Loans may  be aggregated  into one  or more  groups
(each,  a "Pool Value Group"), each of  which will be assigned an aggregate Pool
Value
 
                                       32
<PAGE>
calculated as if all such Mortgage Loans  in the Pool Value Group constituted  a
single  mortgage loan having the highest  mortgage rate and the longest maturity
of any such  mortgage loan  for such  Pool Value Group.  There are  a number  of
alternative means of determining the Pool Value of a Mortgage Loan or Pool Value
Group,  including determinations  based on the  discounted present  value of the
remaining  scheduled   payments   of   principal  and   interest   thereon   and
determinations  based on  the relationship  between the  Mortgage Interest Rates
borne thereby and  the Interest  Rates of  the Multi-Class  Certificates of  the
related  Series. The  Prospectus Supplement  for each  Series will  describe the
method or methods (and related assumptions) used to determine the Pool Values of
the Mortgage Loans or the  Pool Value Groups for such  Series. In any event,  on
each  Distribution Date, after  making the distributions  in reduction of Stated
Amount on  such Distribution  Date, the  aggregate  of the  Pool Values  of  all
Mortgage  Loans and all the Pool Value Groups included in the Trust Estate for a
Series of Certificates will be at least equal to the aggregate Stated Amount  of
the Multi-Class Certificates of such Series.
 
    The  "Assumed Reinvestment  Rate" for  a Series  of Multi-Class Certificates
will be  the highest  rate permitted  by the  Rating Agency  or Rating  Agencies
rating  such Series of Multi-Class Certificates or  a rate insured by means of a
surety bond, guaranteed investment contract or similar arrangement  satisfactory
to such Rating Agency or Rating Agencies. If the Assumed Reinvestment Rate is so
insured,  the related  Prospectus Supplement  will set  forth the  terms of such
arrangement.
 
  SPECIAL DISTRIBUTIONS
 
    To the extent specified in the Prospectus Supplement relating to a Series of
Multi-Class Certificates which have other  than monthly Distribution Dates,  any
such  Classes  having  Stated  Amounts  may  receive  special  distributions  in
reduction of Stated Amount, together with accrued interest on the amount of such
reduction ("Special Distributions") in any month, other than a month in which  a
Distribution  Date  occurs, if,  as  a result  of  principal prepayments  on the
Mortgage Loans  in the  related  Trust Estate  and/or reinvestment  yields  then
available,  the  Trustee  determines,  based  on  assumptions  specified  in the
applicable Pooling and Servicing Agreement, that the amount of cash  anticipated
to  be available on the next Distribution Date for such Series to be distributed
to the holders of such Multi-Class Certificates may be less than the sum of  (i)
the  interest scheduled to be distributed to such holders and (ii) the amount to
be distributed in reduction of Stated Amount of such Multi-Class Certificates on
such Distribution Date. Any such Special Distributions will be made in the  same
priority and manner as distributions in reduction of Stated Amount would be made
on the next Distribution Date.
 
    To  the extent specified  in the related Prospectus  Supplement, one or more
Classes of Certificates of a Series  of Multi-Class Certificates may be  subject
to special distributions in reduction of the Stated Amount thereof at the option
of  the  holders of  such  Certificates, or  to  mandatory distributions  by the
Servicer. Any such distributions with respect  to a Series will be described  in
the applicable Prospectus Supplement and will be on such terms and conditions as
described  therein and specified in the Pooling and Servicing Agreement for such
Series.
 
  LAST SCHEDULED DISTRIBUTION DATE
 
    The "Last  Scheduled  Distribution  Date"  for  each  Class  of  Multi-Class
Certificates  of a Series having  a Stated Amount, to  the extent Last Scheduled
Distribution Dates are specified in the applicable Prospectus Supplement, is the
latest date on  which (based upon  the assumptions set  forth in the  applicable
Prospectus Supplement) the Stated Amount of such Class is expected to be reduced
to  zero. Since the rate of distributions  in reduction of Stated Amount of each
such Class of Multi-Class Certificates will depend upon, among other things, the
rate of payment (including prepayments) of  the principal of the Mortgage  Loans
in  the Trust Estate for such Series,  the actual last Distribution Date for any
such  Class  could   occur  significantly  earlier   than  its  Last   Scheduled
Distribution  Date. To  the extent  of any  delays in  receipt of  any payments,
insurance proceeds or liquidation  proceeds with respect  to the Mortgage  Loans
included  in any  Trust Estate,  the last Distribution  Date for  any such Class
could occur  later  than its  Last  Scheduled  Distribution Date.  The  rate  of
payments  on  the  Mortgage  Loans  in  the  Trust  Estate  for  any  Series  of
Certificates will
 
                                       33
<PAGE>
depend upon their particular characteristics, as well as on the prevailing level
of interest rates from time to time and other economic factors, and no assurance
can be given as to the actual  prepayment experience of the Mortgage Loans.  See
"Prepayment and Yield Considerations" below.
 
                                 CREDIT SUPPORT
 
SUBORDINATION
 
  CERTIFICATES OTHER THAN SHIFTING INTEREST CERTIFICATES
 
    If  so  specified  in the  Prospectus  Supplement  relating to  a  Series of
Certificates, other than a Series of Shifting Interest Certificates, the  rights
of  the holders of a Class of Subordinated Certificates to receive distributions
will be  subordinated  to  the rights  of  the  holders of  a  Class  of  Senior
Certificates,  to  the  extent  of the  Subordinated  Amount  specified  in such
Prospectus Supplement.  The Subordinated  Amount will  be reduced  by an  amount
equal  to Aggregate  Losses and  will be  further reduced  in accordance  with a
schedule described in the applicable Prospectus Supplement. Aggregate Losses  as
defined  in the applicable Pooling and  Servicing Agreement for any given period
will equal the aggregate amount of delinquencies, losses and other  deficiencies
("Payment  Deficiencies") in  the amounts  due to  the Senior Certificateholders
paid or borne by the Subordinated Certificateholders (but excluding any payments
of Senior  Class Shortfall  Accruals or  interest thereon)  during such  period,
whether   such  aggregate  amount  results  by   way  of  withdrawals  from  the
Subordination Reserve Fund (including, prior  to the time that the  Subordinated
Amount  is reduced to zero,  any such withdrawal of  amounts attributable to the
Initial Deposit, if any), reductions in  amounts that would otherwise have  been
distributable  to the Subordinated Certificateholders  on any Distribution Date,
or otherwise;  less  the  aggregate  amount  of  previous  Payment  Deficiencies
recovered  by the  related Trust  Estate during  such period  in respect  of the
Mortgage Loans giving  rise to  such previous  Payment Deficiencies,  including,
without  limitation, such  recoveries resulting  from the  receipt of delinquent
principal or  interest payments,  Liquidation  Proceeds and  insurance  proceeds
(net,  in  each case,  of any  applicable  Fixed Retained  Yield and  any unpaid
Servicing Fee to  which the Servicer  is entitled, foreclosure  costs and  other
servicing costs, expenses and advances relating to such Mortgage Loans).
 
    The   protection   afforded  to   the   Senior  Certificateholders   by  the
subordination feature described above will be effected both by the  preferential
right,  to the extent specified in the applicable Prospectus Supplement, of such
Senior Certificateholders  to  receive  current  distributions  on  the  related
Mortgage  Loans that would otherwise have been distributable to the Subordinated
Certificateholders and (unless otherwise specified in the applicable  Prospectus
Supplement) by the establishment and maintenance of a Subordination Reserve Fund
for  such  Series.  Unless  otherwise  specified  in  the  applicable Prospectus
Supplement, the  Subordination Reserve  Fund will  not be  a part  of the  Trust
Estate.  The Subordination Reserve Fund may  be funded initially with an initial
deposit by the  Seller (the "Initial  Deposit") in  an amount set  forth in  the
applicable   Prospectus  Supplement.  Following  the  initial  issuance  of  the
Certificates of a Series and until the balance of the Subordination Reserve Fund
(without taking into account the amount of the Initial Deposit) first equals  or
exceeds  the  Specified  Subordination Reserve  Fund  Balance set  forth  in the
applicable  Prospectus  Supplement,  and  unless  otherwise  specified  in   the
applicable  Prospectus Supplement, the  Servicer will withhold  all amounts that
would otherwise have been  distributable to the Subordinated  Certificateholders
and  deposit such amounts (less any  portions thereof required to be distributed
to Senior Certificateholders  as described below)  in the Subordination  Reserve
Fund. The time necessary for the Subordination Reserve Fund of a Series to reach
the  applicable  Specified Subordination  Reserve Fund  Balance for  such Series
after the initial issuance  of the Certificates, and  the period for which  such
balance  is maintained,  will be  affected by  the delinquency,  foreclosure and
prepayment experience of  the Mortgage  Loans in  the related  Trust Estate  and
cannot  be accurately  predicted. Unless  otherwise specified  in the applicable
Prospectus Supplement,  after  the  amount in  the  Subordination  Reserve  Fund
(without  taking into account  the amount of  the Initial Deposit)  for a Series
first equals  or exceeds  the applicable  Specified Subordination  Reserve  Fund
Balance, the Servicer will withhold from the Subordinated Certificateholders and
will  deposit in  the Subordination Reserve  Fund such portion  of the principal
payments on  the  Mortgage Loans  otherwise  distributable to  the  Subordinated
Certificateholders as may be necessary to maintain the
 
                                       34
<PAGE>
Subordination  Reserve  Fund  (without taking  into  account the  amount  of the
Initial Deposit)  at  the  Specified Subordination  Reserve  Fund  Balance.  The
Prospectus Supplement for each Series will set forth the amount of the Specified
Subordination  Reserve Fund Balance applicable from time to time and the extent,
if any,  to  which the  Specified  Subordination  Reserve Fund  Balance  may  be
reduced.
 
    In  no event  will the  Specified Subordination  Reserve Fund  Balance for a
Series ever be  required to  exceed the Subordinated  Amount. In  the event  the
Subordination Reserve Fund is depleted before the Subordinated Amount is reduced
to  zero, the  Senior Certificateholders  will continue  to have  a preferential
right, to  the extent  specified  in the  applicable Prospectus  Supplement,  to
receive  current  distributions  of  amounts  that  would  otherwise  have  been
distributable to the Subordinated Certificateholders  to the extent of the  then
Subordinated Amount.
 
    After   the   Subordinated   Amount   is  reduced   to   zero,   the  Senior
Certificateholders  of  a  Series  will,  unless  otherwise  specified  in   the
applicable  Prospectus  Supplement,  nonetheless have  a  preferential  right to
receive payment  of  Senior Class  Shortfall  Accruals and  interest  which  has
accrued thereon from amounts that would otherwise have been distributable to the
Subordinated  Certificateholders. The  Senior Certificateholders  will otherwise
bear their proportionate  share of any  losses realized on  the Trust Estate  in
excess of the Subordinated Amount.
 
    Amounts  held from  time to  time in  the Subordination  Reserve Fund  for a
Series will be  held for the  benefit of the  Senior Certificateholders of  such
Series until withdrawn from the Subordination Reserve Fund as described below.
 
    If  on any  Distribution Date  while the  Subordinated Amount  exceeds zero,
there is a Senior Class Shortfall,  the Senior Class Certificateholders will  be
entitled  to  receive from  current payments  on the  Mortgage Loans  that would
otherwise have been distributable to Subordinated Certificateholders the  amount
of  such Senior Class  Shortfall. If such current  payments are insufficient, an
amount equal  to  the  lesser of:  (i)  the  entire amount  on  deposit  in  the
Subordination  Reserve  Fund  available for  such  purpose; or  (ii)  the amount
necessary to  cover  the Senior  Class  Shortfall  will be  withdrawn  from  the
Subordination  Reserve Fund. Amounts representing investment earnings on amounts
held in the Subordination Reserve Fund will not be available to make payments to
the Senior Certificateholders.  If current  payments on the  Mortgage Loans  and
amounts  available in the Subordination Reserve Fund are insufficient to pay the
entire Senior Class Shortfall, then amounts held in the Certificate Account  for
future   distributions  will   be  distributed   as  necessary   to  the  Senior
Certificateholders.
 
    Amounts withdrawn  from the  Subordination  Reserve Fund  for a  Series  and
deposited  in  the Certificate  Account for  such Series  will be  charged first
against amounts in the Subordination Reserve Fund other than the Initial Deposit
for such Series, and thereafter against such Initial Deposit.
 
    Any amounts in the Subordination Reserve Fund for a Series on a Distribution
Date in excess of the Specified Subordination Reserve Fund Balance on such  date
prior  to the time the  Subordinated Amount for such  Series is reduced to zero,
and any amounts remaining in the Subordination Reserve Fund for such Series upon
termination of  the  trust  created  by the  applicable  Pooling  and  Servicing
Agreement, will be paid, unless otherwise specified in the applicable Prospectus
Supplement,  to the Subordinated Certificateholders of such Series in accordance
with their pro rata ownership thereof, or, in the case of a Series with  respect
to  which an election has  been made to treat the  Trust Estate (or a segregated
pool of assets therein) as a REMIC, first to the Residual Certificateholders (to
the extent of  any portion  of the Initial  Deposit, if  any, and  undistributed
reinvestment  earnings  attributable thereto),  and  second to  the Subordinated
Certificateholders of such  Series, in each  case in accordance  with their  pro
rata   ownership  thereof.  Amounts   permitted  to  be   distributed  from  the
Subordination Reserve Fund for a Series will no longer be subject to any  claims
or rights of the Senior Certificateholders of such Series.
 
    Funds  in the Subordination  Reserve Fund for  a Series will  be invested as
provided in the applicable Pooling and  Servicing Agreement in certain types  of
eligible investments ("Eligible Investments"). If an
 
                                       35
<PAGE>
election has been made to treat the Trust Estate (or a segregated pool of assets
therein) as a REMIC, no more than 30% of the income or gain of the Subordination
Reserve  Fund  in  any  taxable year  may  be  derived from  the  sale  or other
disposition of investments held for less than three months in the  Subordination
Reserve Fund. The earnings on such investments will be withdrawn and paid to the
Subordinated Certificateholders of such Series or to the holders of the Residual
Certificates,  in the event  that an election  has been made  to treat the Trust
Estate (or a segregated pool of assets therein) with respect to such Series as a
REMIC, in accordance with their  respective interests. Investment income  earned
on  amounts held  in the  Subordination Reserve Fund  will not  be available for
distribution to the Senior Certificateholders or otherwise subject to any claims
or rights of the Senior Certificateholders.
 
    Eligible Investments for monies deposited in the Subordination Reserve  Fund
will  be specified in the applicable Pooling and Servicing Agreement and, unless
otherwise provided in the applicable Prospectus Supplement, will mature no later
than the next Distribution Date.
 
    Holders of Subordinated  Certificates of a  Series will not  be required  to
refund  any amounts which have been  properly distributed to them, regardless of
whether there are  sufficient funds to  distribute to Senior  Certificateholders
the amounts to which they are later entitled.
 
    If   specified  in  the  Prospectus  Supplement  relating  to  a  Series  of
Certificates, the Subordination Reserve Fund may  be funded in any other  manner
acceptable  to the  Rating Agency  and consistent with  an election,  if any, to
treat the Trust Estate (or a segregated pool of assets therein) for such  Series
as a REMIC, as will be more fully described in such Prospectus Supplement.
 
  SHIFTING INTEREST CERTIFICATES
 
    If  specified in  the applicable  Prospectus Supplement,  the rights  of the
holders of  the  Subordinated Certificates  of  a Series  of  Shifting  Interest
Certificates  to receive distributions with respect to the Mortgage Loans in the
related Trust Estate will be subordinated to  such rights of the holders of  the
Senior  Certificates of the same Series to the extent described below, except as
otherwise set  forth  in  such  Prospectus  Supplement.  This  subordination  is
intended  to  enhance the  likelihood of  regular receipt  by holders  of Senior
Certificates of the full amount of  scheduled monthly payments of principal  and
interest due them and to provide limited protection to the holders of the Senior
Certificates against losses due to mortgagor defaults.
 
    The protection afforded to the holders of Senior Certificates of a Series of
Shifting Interest Certificates by the subordination feature described above will
be  effected by the preferential right of  such holders to receive, prior to any
distribution being made in respect  of the related Subordinated Certificates  on
each  Distribution Date, current distributions on  the related Mortgage Loans of
principal and  interest due  them on  each Distribution  Date out  of the  funds
available  for distribution on such date in the related Certificate Account and,
to the extent described below,  by the right of  such holders to receive  future
distributions  on the Mortgage  Loans that would otherwise  have been payable to
the holders of Subordinated Certificates.
 
    Losses realized on liquidated Mortgage Loans (other than certain  liquidated
Mortgage  Loans that are Special Hazard  Mortgage Loans as described below) will
be allocated to the holders of Subordinated Certificates through a reduction  of
the amount of principal payments on the Mortgage Loans to which such holders are
entitled.  Prior to the Cross-Over Date,  holders of Senior Certificates of each
Class entitled to  a percentage of  principal payments on  the related  Mortgage
Loans  will be  entitled to  receive, as part  of their  respective Senior Class
Distribution Amounts  payable  on each  Distribution  Date in  respect  of  each
Mortgage  Loan that  became a  liquidated Mortgage  Loan in  the preceding month
(subject to the additional limitation  described below applicable to  liquidated
Mortgage  Loans that are Special Hazard Mortgage Loans), their respective shares
of the  Scheduled  Principal Balance  of  each such  liquidated  Mortgage  Loan,
together  with interest  accrued at the  applicable Net  Mortgage Interest Rate,
irrespective of whether net Liquidation Proceeds realized thereon are sufficient
to cover such amount.  For a description of  the full Senior Class  Distribution
Amount   payable  to  holders  of  Senior   Certificates  of  each  Series,  see
"Description of the Certificates--Distributions to Percentage
Certificateholders--Shifting Interest Certificates."
 
                                       36
<PAGE>
    On each Distribution Date occurring on or after the Cross-Over Date, holders
of Senior  Certificates of  each Class  entitled to  a percentage  of  principal
payments  will  generally  receive, as  part  of their  respective  Senior Class
Distribution Amounts,  only  their  respective shares  of  the  net  Liquidation
Proceeds  actually  realized in  respect of  the applicable  liquidated Mortgage
Loans after  reimbursement  to  the  Servicer  of  any  previously  unreimbursed
Periodic  Advances  made  in  respect of  such  liquidated  Mortgage  Loans. See
"Description of the Certificates--Distributions to Percentage
Certificateholders--Shifting Interest Certificates."
 
    In the event that a  Mortgage Loan becomes a  liquidated Mortgage Loan as  a
result  of a hazard not insured against under a standard hazard insurance policy
of the type described herein (a "Special Hazard Mortgage Loan"), the holders  of
Senior Certificates of each Class entitled to a percentage of principal payments
on  the related Mortgage  Loans will be  entitled to receive  in respect of each
Mortgage Loan  which became  a Special  Hazard Mortgage  Loan in  the  preceding
month,  as part of their respective Senior Class Distribution Amounts payable on
each Distribution  Date prior  to  the Special  Hazard Termination  Date,  their
respective  shares of  the Scheduled  Principal Balance  of such  Mortgage Loan,
together with interest  accrued at  the applicable Net  Mortgage Interest  Rate,
rather  than  their  respective  shares  of  net  Liquidation  Proceeds actually
realized. The Special Hazard Termination Date for a Series of Certificates  will
be  the earlier  to occur  of (i)  the date  on which  cumulative net  losses in
respect of Special Hazard Mortgage Loans  exceed the Special Hazard Loss  Amount
specified  in the applicable Prospectus Supplement  or (ii) the Cross-Over Date.
Since the amount of the Special Hazard Loss Amount for a Series of  Certificates
is  expected to be  less than the  amount of principal  payments on the Mortgage
Loans to which the holders of  the Subordinated Certificates of such Series  are
initially  entitled (such amount being subject to reduction, as described above,
as a result of allocation of losses  on other liquidated Mortgage Loans as  well
as  Special Hazard Mortgage Loans), the  holders of Subordinated Certificates of
such Series will bear the risk of losses in the case of Special Hazard  Mortgage
Loans to a lesser extent than they will bear losses on other liquidated Mortgage
Loans.  Once the Special Hazard Termination Date has occurred, holders of Senior
Certificates of each Class entitled to payments of principal will be entitled to
receive, as part  of their  respective Senior Class  Distribution Amounts,  only
their  respective shares of net Liquidation  Proceeds realized on Special Hazard
Mortgage Loans (less the total amount  of delinquent installments in respect  of
each  such  Special Hazard  Mortgage Loan  that were  previously the  subject of
distributions to  the  holders  of  Senior  Certificates  paid  out  of  amounts
otherwise  distributable to the holders of the Subordinated Certificates of such
Series). The outstanding principal balance of each such Class will, however,  be
reduced  by such Class's specified percentage of the Scheduled Principal Balance
of  each  such   Special  Hazard   Mortgage  Loan.  See   "Description  of   the
Certificates--Distributions  to Percentage Certificateholders--Shifting Interest
Certificates."
 
    If the cumulative net losses  on all Mortgage Loans  in a Trust Estate  that
have  become Special Hazard Mortgage  Loans in the months  prior to the month in
which a Distribution Date occurs would exceed the Special Hazard Loss Amount for
a Series of Certificates, that portion  of the Senior Class Distribution  Amount
as  of such  Distribution Date  for each  Class of  Senior Certificates  of such
Series entitled to a percentage of  principal payments on the Mortgage Loans  in
the  related Trust  Estate attributable to  Mortgage Loans  which became Special
Hazard Mortgage Loans in the month preceding the month of such Distribution Date
will be calculated not on the basis of the Scheduled Principal Balances of  such
Special  Hazard Mortgage Loans but rather will be computed as an amount equal to
the sum of (i) the excess of the Special Hazard Loss Amount over the  cumulative
net  losses on all Mortgage  Loans that became Special  Hazard Mortgage Loans in
the months prior to the month of  such Distribution Date and (ii) the excess  of
(a)  the product of the percentage of  principal payments to which such Class is
entitled multiplied by the  aggregate net Liquidation  Proceeds of the  Mortgage
Loans  which became  Special Hazard  Mortgage Loans  in the  month preceding the
month of  such  Distribution  Date  over (b)  the  total  amount  of  delinquent
installments  in  respect  of  such  Special  Hazard  Mortgage  Loans  that were
previously the  subject of  distributions  to such  Class  paid out  of  amounts
otherwise distributable to the holders of the related Subordinated Certificates.
 
                                       37
<PAGE>
    Although  the subordination feature  described above is  intended to enhance
the likelihood of  timely payment of  principal and interest  to the holders  of
Senior  Certificates,  shortfalls  could result  in  certain  circumstances. For
example, a shortfall in  the payment of principal  otherwise due the holders  of
Senior  Certificates could occur if  losses realized on the  Mortgage Loans in a
Trust Estate  were exceptionally  high  and were  concentrated in  a  particular
month.   See  "Description  of  the  Certificates--Distributions  to  Percentage
Certificateholders--Shifting Interest  Certificates" for  a description  of  the
consequences of any shortfall of principal or interest.
 
    The  holders of Subordinated Certificates will not be required to refund any
amounts previously properly distributed to them, regardless of whether there are
sufficient funds on a subsequent Distribution  Date to make a full  distribution
to holders of each Class of Senior Certificates of the same Series.
 
OTHER CREDIT ENHANCEMENT
 
    In  addition to subordination as discussed  above, credit enhancement may be
provided with respect to  any Series of Certificates  in any other manner  which
may  be described  in the applicable  Prospectus Supplement,  including, but not
limited to,  credit enhancement  through an  alternative form  of  subordination
and/or one or more of the methods described below.
 
  LIMITED GUARANTEE
 
    If  so specified in  the Prospectus Supplement  with respect to  a Series of
Certificates, credit  enhancement may  be  provided in  the  form of  a  limited
guarantee issued by a guarantor named therein.
 
  LETTER OF CREDIT
 
    Alternative  credit support with respect to  a Series of Certificates may be
provided by  the  issuance of  a  letter of  credit  by the  bank  or  financial
institution  specified in  the applicable  Prospectus Supplement.  The coverage,
amount and frequency of any reduction in coverage provided by a letter of credit
issued with  respect to  a  Series of  Certificates will  be  set forth  in  the
Prospectus Supplement relating to such Series.
 
  POOL INSURANCE POLICIES
 
    If  so  specified  in the  Prospectus  Supplement  relating to  a  Series of
Certificates, the Seller will  obtain a pool insurance  policy for the  Mortgage
Loans in the related Trust Estate. The pool insurance policy will cover any loss
(subject  to the  limitations described in  a related  Prospectus Supplement) by
reason of default to the  extent a related Mortgage Loan  is not covered by  any
primary  mortgage insurance policy.  The amount and principal  terms of any such
coverage will be set forth in the Prospectus Supplement.
 
  SPECIAL HAZARD INSURANCE POLICIES
 
    If so specified in the applicable Prospectus Supplement, for each Series  of
Certificates  as to which a  pool insurance policy is  provided, the Seller will
also obtain a special  hazard insurance policy for  the related Trust Estate  in
the amount set forth in such Prospectus Supplement. The special hazard insurance
policy  will, subject to the limitations  described in the applicable Prospectus
Supplement, protect against  loss by  reason of damage  to Mortgaged  Properties
caused  by certain hazards not insured against under the standard form of hazard
insurance policy for the respective states in which the Mortgaged Properties are
located. The amount and principal terms of  any such coverage will be set  forth
in the Prospectus Supplement.
 
  MORTGAGOR BANKRUPTCY BOND
 
    If  so specified in  the applicable Prospectus  Supplement, losses resulting
from a  bankruptcy proceeding  relating to  a mortgagor  affecting the  Mortgage
Loans in a Trust Estate with respect to a Series of Certificates will be covered
under  a mortgagor bankruptcy bond (or any other instrument that will not result
in a downgrading of  the rating of  the Certificates of a  Series by the  Rating
Agency or Rating Agencies that rated such Series). Any mortgagor bankruptcy bond
or    such    other   instrument    will    provide   for    coverage    in   an
 
                                       38
<PAGE>
amount meeting the criteria of the  Rating Agency or Rating Agencies rating  the
Certificates  of  the related  Series, which  amount  will be  set forth  in the
related Prospectus  Supplement.  The amount  and  principal terms  of  any  such
coverage will be set forth in the Prospectus Supplement.
 
                      PREPAYMENT AND YIELD CONSIDERATIONS
 
PASS-THROUGH RATES AND INTEREST RATES
 
    Any  Class of Certificates of a Series may have a fixed Pass-Through Rate or
Interest Rate, or  a Pass-Through Rate  or Interest Rate  which varies based  on
changes  in an index or based on changes with respect to the underlying Mortgage
Loans (such as, for  example, varying on  the basis of  changes in the  weighted
average Net Mortgage Interest Rate of the underlying Mortgage Loans).
 
    The  Prospectus Supplement  for each Series  will specify the  range and the
weighted average of the Mortgage Interest Rates and, if applicable, Net Mortgage
Interest Rates for the Mortgage Loans  underlying such Series as of the  Cut-Off
Date.  If the Trust  Estate includes adjustable-rate  Mortgage Loans or includes
Mortgage Loans with different Net Mortgage Interest Rates, the weighted  average
Net  Mortgage Interest Rate may  vary from time to time  as set forth below. See
"The Trust Estates." The  Prospectus Supplement for a  Series will also  specify
the  initial weighted average Pass-Through Rate  or Interest Rate for each Class
of Certificates of such Series and  will specify whether each such  Pass-Through
Rate or Interest Rate is fixed or is variable.
 
    The  Net Mortgage Interest  Rate for any adjustable  rate Mortgage Loan will
change with  any  changes in  the  index  specified in  the  related  Prospectus
Supplement  on which such Mortgage Interest  Rate adjustments are based, subject
to any applicable periodic or aggregate  caps or floors on the related  Mortgage
Interest  Rate. The weighted average Net  Mortgage Interest Rate with respect to
any Series  may vary  due  to changes  in the  Net  Mortgage Interest  Rates  of
adjustable  rate Mortgage  Loans, to  the timing  of the  Mortgage Interest Rate
readjustments of  such Mortgage  Loans  and to  different  rates of  payment  of
principal  of fixed or adjustable rate Mortgage Loans bearing different Mortgage
Interest Rates. See "Prepayment and Yield Considerations."
 
SCHEDULED DELAYS IN DISTRIBUTIONS
 
    At the date of initial issuance  of the Certificates of each Series  offered
hereby,  the initial purchasers  of a Class of  Certificates (other than certain
Classes of Residual Certificates)  will be required to  pay accrued interest  at
the  applicable  Pass-Through Rate  or  Interest Rate  for  such Class  from the
Cut-Off Date for such Series to, but  not including, the date of issuance.  With
respect  to Standard Certificates or  Stripped Certificates, the effective yield
to Certificateholders  will  be  below  the  yield  otherwise  produced  by  the
applicable  Pass-Through Rate because the distribution of principal and interest
which is due on each Due  Date will not be made until  the 25th day (or if  such
25th day is not a business day, the business day immediately following such 25th
day)  of  the  month  in  which  such  Due  Date  occurs  (or  until  such other
Distribution Date specified  in the  applicable Prospectus  Supplement). To  the
extent  set forth in the related Prospectus Supplement, Multi-Class Certificates
may provide for distributions of interest accrued during periods ending prior to
the related Distribution Date. In any  such event, the nature of such  scheduled
delays  in  distribution  and  the  impact  on  the  yield  of  such Multi-Class
Certificates will be set forth in the related Prospectus Supplement.
 
EFFECT OF PRINCIPAL PREPAYMENTS
 
    When a Mortgage Loan is prepaid in full, the mortgagor pays interest on  the
amount  prepaid only to  the date of prepayment  and not thereafter. Liquidation
Proceeds (as defined  herein) and  amounts received in  settlement of  insurance
claims  are  also likely  to include  interest only  to the  time of  payment or
settlement. When a Mortgage Loan is  prepaid in part, an interest shortfall  may
result  depending on the timing of the receipt of the partial prepayment and the
timing of when those  prepayments are passed  through to Certificateholders.  To
partially  mitigate this reduction in yield, the Pooling and Servicing Agreement
relating to a Series will provide, unless otherwise specified in the  applicable
Prospectus Supplement, that with
 
                                       39
<PAGE>
respect  to any principal prepayment in full of any Mortgage Loan underlying the
Certificates of such Series, the Servicer will pay into the Certificate  Account
for  such Series  to the extent  funds are  available for such  purpose from the
aggregate Servicing  Fees  (or  portion  thereof as  specified  in  the  related
Prospectus  Supplement) which  the Servicer is  entitled to  receive relating to
mortgagor payments or other recoveries distributed to Certificateholders on  the
related  Distribution Date, the amount, if any,  of interest at the Net Mortgage
Interest Rate  for such  Mortgage Loan  for the  period from  the date  of  such
prepayment  in  full  to  and including  the  end  of the  month  in  which such
prepayment  in  full  occurs.  Unless  otherwise  specified  in  the  applicable
Prospectus  Supplement, no comparable  offset against the  Servicing Fee will be
provided with respect  to partial  prepayments or liquidations  of any  Mortgage
Loans  and  any  interest shortfall  arising  from partial  prepayments  or from
liquidations either will be covered by means of the subordination of the  rights
of Subordinated Certificateholders or any other credit support arrangements. See
"Servicing of the Mortgage Loans--Adjustment to Servicing Fee in Connection with
Prepaid Mortgage Loans."
 
    A  lower  rate of  principal prepayments  than anticipated  would negatively
affect the total return to  investors in any Certificates  of a Series that  are
offered  at a discount to their principal  amount and a higher rate of principal
prepayments than  anticipated  would  negatively  affect  the  total  return  to
investors in the Certificates of a Series that are offered at a premium to their
principal  amount.  The  yield  on  Stripped  Certificates  may  be particularly
sensitive to prepayment rates, and further information with respect to yield  on
such  Stripped  Certificates  will  be  included  in  the  applicable Prospectus
Supplement.
 
WEIGHTED AVERAGE LIFE OF CERTIFICATES
 
    The Mortgage Loans may  be prepaid in  full or in part  at any time.  Unless
otherwise  specified in the  applicable Prospectus Supplement,  no Mortgage Loan
will provide  for  a  prepayment  penalty. Unless  otherwise  specified  in  the
applicable  Prospectus Supplement,  all fixed  rate Mortgage  Loans will contain
due-on-sale clauses permitting the mortgagee to accelerate the maturities of the
Mortgage Loans  upon conveyance  of the  related Mortgaged  Properties, and  all
adjustable-rate  Mortgage Loans will permit creditworthy borrowers to assume the
then-outstanding indebtedness on the Mortgage Loans.
 
    Prepayments on Mortgage Loans are commonly measured relative to a prepayment
standard or  model.  The  Prospectus  Supplement for  each  Series  of  Stripped
Certificates  may, and the Prospectus Supplement  for each Series of Multi-Class
Certificates will, describe one or more such prepayment standards or models  and
contain  tables setting forth the projected yields  to maturity on each Class or
Subclass of Certificates of a Series  of Stripped Certificates or, with  respect
to a Series of Multi-Class Certificates, the weighted average life of each Class
and  the percentage of the  original aggregate Stated Amount  of each Class that
would be outstanding on  specified Distribution Dates for  such Series based  on
the assumptions stated in such Prospectus Supplement, including assumptions that
prepayments  on the  Mortgage Loans are  made at rates  corresponding to various
percentages of  the  prepayment  standard  or model  specified  in  the  related
Prospectus Supplement.
 
    There  is no  assurance that prepayment  of the Mortgage  Loans underlying a
Series of Certificates will conform to  any level of the prepayment standard  or
model  specified  in the  related Prospectus  Supplement.  A number  of factors,
including  homeowner  mobility,  economic  conditions,  changes  in  mortgagors'
housing  needs, job transfers, unemployment or, in the case of borrowers relying
on commission income  and self-employed borrowers,  significant fluctuations  in
income  or adverse economic conditions, mortgagors' net equity in the properties
securing the  mortgages,  servicing  decisions,  enforceability  of  due-on-sale
clauses,  mortgage  market interest  rates,  mortgage recording  taxes,  and the
availability of mortgage  funds, may affect  prepayment experience. In  general,
however,  if  prevailing interest  rates fall  significantly below  the Mortgage
Interest Rates on the  Mortgage Loans underlying a  Series of Certificates,  the
prepayment  rates  of  such Mortgage  Loans  are  likely to  be  higher  than if
prevailing rates remain at or above the  rates borne by such Mortgage Loans.  It
should  be noted  that Certificates of  a Series  may evidence an  interest in a
Trust Estate with different Mortgage Interest Rates. Accordingly, the prepayment
experience of such Certificates will to some extent be a function of the mix  of
interest   rates   of   the  Mortgage   Loans.   In  addition,   the   terms  of
 
                                       40
<PAGE>
the Pooling and  Servicing Agreement will  require the Servicer  to enforce  any
due-on-sale  clause to  the extent  it has  knowledge of  the conveyance  or the
proposed conveyance  of the  underlying Mortgaged  Property; provided,  however,
that  any enforcement action that  the Servicer in good  faith determines may be
restricted by law or that would impair or threaten to impair any recovery  under
any  related insurance policy  will not be required  and provided, further, that
the Servicer  may  permit  the  assumption  of  defaulted  Mortgage  Loans.  See
"Servicing   of   the  Mortgage   Loans--Enforcement  of   Due-on-Sale  Clauses;
Realization Upon Defaulted  Mortgage Loans"  and "Certain Legal  Aspects of  the
Mortgage  Loans--'Due-On-Sale' Clauses" for a  description of certain provisions
of each Pooling and Servicing Agreement and certain legal developments that  may
affect the prepayment experience on the Mortgage Loans.
 
    At the request of the mortgagor, the Servicer may allow the refinancing of a
Mortgage  Loan  in  any  Trust  Estate  by  accepting  prepayments  thereon  and
permitting a new  loan secured by  a Mortgage  on the same  property. Upon  such
refinancing,  the new loan will not be included in the Trust Estate. A mortgagor
may be legally entitled to require the Servicer to allow such a refinancing. Any
such refinancing  will have  the same  effect as  a prepayment  in full  of  the
related  Mortgage Loan. In  this regard PHMC  may, from time  to time, implement
programs designed  to  encourage refinancing  through  PHMC, including  but  not
limited  to general or  targeted solicitations, or  the offering of pre-approved
applications, reduced  origination fees  or closing  costs, or  other  financial
incentives.  The Servicer may  also encourage refinancing  of defaulted Mortgage
Loans, including  Mortgage Loans  that would  permit creditworthy  borrowers  to
assume the outstanding indebtedness.
 
    The  Seller will  be obligated,  under certain  circumstances, to repurchase
certain of  the Mortgage  Loans. In  addition, if  specified in  the  applicable
Prospectus  Supplement, the Pooling and Servicing Agreement will permit, but not
require, the Seller, and the terms of certain insurance policies relating to the
Mortgage Loans may  permit the  applicable insurer, to  purchase any  delinquent
Mortgage Loan. The proceeds of any such purchase or repurchase will be deposited
in the related Certificate Account and such purchase or repurchase will have the
same effect as a prepayment in full of the related Mortgage Loan. See "The Trust
Estates--Mortgage  Loans--Assignment  of  the  Mortgage  Loans  to  the Trustee"
and"--Optional Repurchases."  In addition,  if so  specified in  the  applicable
Prospectus  Supplement, the Servicer  will have the option  to purchase all, but
not less than all, of the Mortgage  Loans in any Trust Estate under the  limited
conditions   specified  in  such  Prospectus   Supplement.  For  any  Series  of
Certificates for which an election has been made to treat the Trust Estate (or a
segregated pool of assets therein) as  a REMIC, any such purchase or  repurchase
may  be effected only pursuant to a  "qualified liquidation," as defined in Code
Section 860F(a)(4)(A). See  "The Pooling  and Servicing  Agreement--Termination;
Purchase of Mortgage Loans."
 
                                   THE SELLER
 
    The  Prudential  Home Mortgage  Securities Company,  Inc. (the  "Seller"), a
direct, wholly-owned subsidiary  of The Prudential  Home Mortgage Company,  Inc.
("PHMC")  and  an  indirect,  wholly-owned  subsidiary  of  Residential Services
Corporation of America and The Prudential Insurance Company of America, a mutual
insurance  company  organized  under  the  laws  of  the  State  of  New  Jersey
("Prudential  Insurance"), is the  successor in interest  to The Prudential Home
Mortgage Securities  Company,  a  limited  purpose  general  partnership  formed
pursuant  to the Partnership Law  of the State of New  York on December 30, 1987
("PHMSCo."). The Seller was incorporated in the State of Delaware on August  21,
1985  under the name Dryden Guaranty Corporation, but did not actively engage in
business prior  to December  28, 1988.  On  July 18,  1988, the  Certificate  of
Incorporation  of the Seller was amended to, among other things, change the name
of Dryden  Guaranty  Corporation  to The  Prudential  Home  Mortgage  Securities
Company,  Inc. and  to limit the  purposes for  which the Seller  exists and, on
December 28, 1988, the Seller acquired all of the assets and assumed all of  the
liabilities of PHMSCo., including but not limited to all of PHMSCo.'s rights and
obligations  under the  Pooling and Servicing  Agreements relating  to series of
mortgage pass-through certificates previously sold by it.
 
                                       41
<PAGE>
    The limited purposes of the Seller are, in general, to acquire, own and sell
mortgage loans;  to issue,  acquire, own,  hold and  sell mortgage  pass-through
securities  which represent  ownership interests in  mortgage loans, collections
thereon and related properties; and to  engage in any acts which are  incidental
to, or necessary, suitable or convenient to accomplish, the foregoing.
 
    The  Seller  maintains  its principal  office  at 7470  New  Technology Way,
Frederick, Maryland 21701. Its telephone number is (301) 846-8199.
 
    At the time of  the formation of  any Trust Estate, the  Seller will be  the
sole  owner of all the related Mortgage Loans. The Seller will have acquired the
Mortgage Loans included in any Trust Estate from PHMC or another affiliate.  The
Seller's  only obligation with respect to the Certificates of any Series will be
to repurchase or substitute for Mortgage Loans in a Trust Estate in the event of
defective documentation  or  upon the  failure  of certain  representations  and
warranties  made by the Seller. See  "The Trust Estates-- Assignment of Mortgage
Loans to the Trustee."
 
                                      PHMC
 
GENERAL
 
    PHMC is the successor in interest to The Prudential Home Mortgage Company, a
joint venture  which was  formed under  the laws  of the  State of  New York  on
November 7, 1984 ("PHMCo."). Immediately prior to November 1987, the partners of
PHMCo.,  each  of which  owned a  50% interest  in the  joint venture,  were The
Prudential Mortgage  Capital Company,  Inc.,  a New  Jersey corporation  and  an
indirect,  wholly  owned  subsidiary  of Prudential  Insurance  ("PMCC")  and TR
Venture Corporation ("TRVC"), a Delaware corporation indirectly, wholly owned by
Salomon Inc and affiliated with Salomon Brothers Inc. During November 1987, PMCC
transferred a 0.1% interest in PHMCo. to its affiliate, PIC Realty  Corporation,
and,  immediately thereafter, the interest  of TRVC in PHMCo.  was retired. As a
consequence thereof,  PHMCo.  became  indirectly,  wholly  owned  by  Prudential
Insurance, which, in turn, also indirectly, wholly owns the Seller.
 
    PHMC was incorporated in the State of New Jersey on September 18, 1978 under
the  name Newark Rehabilitation,  Inc., but did not  actively engage in business
prior to October 31, 1988. On March 3, 1988, Newark Rehabilitation, Inc. changed
its name to  The Prudential  Home Mortgage Company,  Inc., and,  on October  31,
1988,  PHMC acquired  all of the  assets and  assumed all of  the liabilities of
PHMCo. As used herein and in each Prospectus Supplement, references to PHMC that
relate to activities  occurring prior  to October 31,  1988 are  to PHMCo.  From
October  31,  1988  to  December  19, 1989,  PHMC  was  a  direct,  wholly owned
subsidiary of PMCC. On December  19, 1989, all of the  common stock of PHMC  was
transferred   to,  and  PHMC  became  a  direct,  wholly  owned  subsidiary  of,
Residential Services Corporation of America,  a direct, wholly owned  subsidiary
of Prudential Insurance.
 
    PHMC  is engaged principally in the  business of originating and purchasing,
for its own account and for the account of its affiliates, residential  mortgage
loans  secured by one- to four-family homes located throughout the United States
and made in order to purchase those homes or to refinance prior loans secured by
such homes. PHMC  also processes  loans for other  originators. See  "--Mortgage
Origination Processing" below. The executive offices of PHMC are located at 8000
Maryland  Avenue, Suite 1400, Clayton, Missouri  63105, and its telephone number
is (314) 726-3900.
 
    PHMC is  an affiliate  of  Lender's Service,  Inc., a  Delaware  corporation
("LSI"),  formerly known as Lender's Service Acquisition Corporation, which is a
wholly owned subsidiary of  Residential Services Corporation  of America and  an
indirect  wholly  owned subsidiary  of Prudential  Insurance,  and which  is the
successor in interest to Lender's Service, Inc., a Pennsylvania corporation. LSI
maintains  a  relationship  with  a  nationwide  network  of  appraisers;  these
appraisers  perform work for LSI on an independent-contractor basis. Appraisals,
review appraisals  and recertifications  obtained  in connection  with  mortgage
loans  originated  or  acquired  by  PHMC  may  be  obtained  through  LSI.  See
"--Mortgage Loan Underwriting"  below. LSI  may also  act as  a title  insurance
agent  for  various  title  insurance  companies,  and  as  a  vendor  of credit
 
                                       42
<PAGE>
reports for UCB Services, a national mortgage reporting company, with respect to
mortgage loans,  including the  Mortgage Loans.  PHMC is  also an  affiliate  of
Prudential  Property and  Casualty Insurance  Company, a  wholly owned, indirect
subsidiary  of  Prudential  Insurance,  which  offers  casualty  insurance   for
residential  properties, which may include the  Mortgaged Properties. PHMC is an
affiliate of The Prudential  Bank and Trust Company,  a Georgia bank, for  which
PHMC  processes  applications  for  home  equity  loans  secured  by residential
properties, which  may  include  the  Mortgaged  Properties.  PHMC  is  also  an
affiliate of The Prudential Real Estate Affiliates, Inc., which may, directly or
through  real estate brokers, refer  loan originations to PHMC.  PHMC is also an
affiliate of The Prudential Savings Bank, a savings and loan association,  which
may  offer services  to the mortgagors  of the  Mortgage Loans. PHMC  is also an
affiliate  of  Prudential  Residential  Services  Limited  Partnership  and  The
Prudential  Real Estate  Affiliates, Inc.  (collectively, "PRR").  PRR primarily
offers relocation  services to  corporate  employees and  residential  brokerage
services  to the public. PRR may, directly or through real estate brokers, refer
loan originations  to PHMC.  PHMC is  also an  affiliate of  a number  of  other
insurance providers (including providers of life, health, disability, automobile
and  personal catastrophe insurance) and financial services providers (including
providers of annuities,  mutual funds, retirement  accounts, financial  planning
services,   credit  cards,  securities  and   commodities  brokerage  and  asset
management), all of which may offer  services to the mortgagors of the  Mortgage
Loans.
 
    PHMC  conducts its  mortgage loan processing  through centralized production
offices located in Costa Mesa, California, Frederick, Maryland and  Minneapolis,
Minnesota.  At  these locations,  PHMC receives  applications for  home mortgage
loans on toll-free  telephone numbers that  can be called  from anywhere in  the
United   States.  In  addition,  PHMC   maintains  marketing  offices  in  major
metropolitan centers in the United States. While the manner in which it conducts
its business does not generally entail face-to-face interactions with borrowers,
PHMC has varying  degrees of direct  contact with borrowers  under the  mortgage
origination  and acquisition programs  described below. Since  PHMC takes a more
active role in loan  processing in connection with  those programs that  involve
the referral of applicants, rather than the purchase of completed loan packages,
borrower  contact  tends  to  be  more  frequent  where  PHMC  functions  as the
originator of the mortgage loans.
 
    On May 31, 1991, PHMC acquired  certain assets and operations of A  Mortgage
Company,  formerly America's  Mortgage Company ("AMC"),  located in Springfield,
Illinois. AMC's business consisted primarily of the origination and  acquisition
of  mortgage loans insured  or guaranteed by  the Federal Housing Administration
and the  United States  Department  of Veterans  Affairs ("FHA/VA  loans"),  the
issuance  and sale of securities guaranteed  by the Government National Mortgage
Association ("GNMA"), which securities were backed by pools of FHA/VA loans, and
the servicing of such mortgage loans.  These activities are now being  conducted
by  PHMC  from the  Springfield, Illinois  location.  The description  of PHMC's
activities elsewhere in this  Prospectus relate to  conventional rather than  to
FHA/VA  loans, since the Mortgage  Loans to be included  in the Trust Estate for
any Series of Certificates will be comprised exclusively of conventional loans.
 
MORTGAGE LOAN PRODUCTION SOURCES
 
    Unless otherwise specified in  the applicable Prospectus Supplement,  PHMC's
primary  sources  of mortgage  loans are  (i)  selected corporate  clients, (ii)
mortgage brokers and similar  entities, and (iii)  other originators. The  first
two  categories involve  the origination of  mortgage loans by  PHMC through the
referral of applicants  to PHMC by  the respective sources;  the third  category
involves  the acquisition by PHMC of qualifying mortgage loans presented to PHMC
by such third  parties. The relative  contribution of each  of these sources  to
PHMC's  business, measured by the volume  of loans generated, tends to fluctuate
over time.
 
    Mortgage loans generated  through contacts  with corporate  clients or  with
mortgage  brokers and similar entities typically  involve the referral of a loan
applicant to PHMC; the gathering of credit-related and
 
                                       43
<PAGE>
property-specific information by PHMC;  and the decision by  PHMC, based on  its
analysis  of such information, as to the  suitability of its making the loan. It
is characteristic of PHMC's practice with respect to loans generated as a result
of referrals from these two sources  that PHMC, itself, orders appraisals  (most
frequently,  the original appraisals, but in  some cases, review appraisals) and
credit reports.  The  level of  involvement  by PHMC  in  other aspects  of  the
processing  of these loans varies  considerably; whereas, PHMC typically assists
the borrower referred by corporate  clients through the application stage,  PHMC
tends  to  have  limited contact  with  those borrowers  whose  applications are
processed on PHMC's behalf by certain  mortgage brokers or similar entities,  as
discussed below. Taken as a whole, however, PHMC's processing role in connection
with  loans generated either as a result  of referrals from corporate clients or
from mortgage brokers and  similar entities generally  exceeds the more  limited
processing  role  associated with  loans acquired  from PHMC's  third production
source, other  originators.  It is  PHMC's  practice  to review  the  loan  file
submitted  to  it by  the other  originator;  order a  new credit  report; under
certain limited circumstances, order  a review appraisal; and,  on the basis  of
its  analysis of both  the data that  it has received  and the data  that it has
gathered, determine  whether  to  accept  or reject  the  loan.  For  each  loan
purchased  by PHMC, the seller, or the other originator that previously sold the
loan to PHMC's seller, will have taken the borrower's loan application, obtained
the initial  credit reports,  ordered the  original appraisal  and provided  all
necessary  documentation  and disclosure  relating  to compliance  with federal,
state or local law applicable to mortgage loan origination and servicing.
 
    A majority of PHMC's corporate clients are companies that sponsor relocation
programs for their employees and in connection with which PHMC provides mortgage
financing. Eligibility  for  a relocation  loan  is  based, in  general,  on  an
employer's   providing  financial  assistance  to  the  relocating  employee  in
connection with a job-required  move. Although all  Subsidy Loans are  generated
through  such  corporate-sponsored  programs,  the  assistance  extended  by the
employer need  not  necessarily  take the  form  of  a loan  subsidy.  (Not  all
relocation  loans are  generated by  PHMC through  referrals from  its corporate
clients: some  relocation loans  are generated  as a  result of  referrals  from
mortgage  brokers  and similar  entities;  others are  generated  through PHMC's
acquisition of  mortgage  loans  from  other  originators.)  Also  among  PHMC's
corporate  clients are various professional associations. These associations, as
well as the other corporate clients,  promote the availability of a broad  range
of  PHMC mortgage  products to their  members or  employees, including refinance
loans, second-home loans and investment-property loans.
 
    Mortgage brokers, realtors (including  affiliates of Prudential  Insurance),
mortgage  bankers, commercial bankers, developers,  and builders also refer loan
applicants to PHMC.  Although the extent  to which mortgage  brokers or  similar
entities  will assist borrowers in  the application process varies considerably,
PHMC's role in the processing of  loans originated under this program  typically
involves the ordering of credit reports, as well as the ordering of the property
appraisal.  PHMC  may,  however,  permit certain  mortgage  brokers  and similar
entities to make  an initial determination  as to compliance  of mortgage  loans
with  PHMC's underwriting  guidelines. Under such  circumstances, the applicable
third parties take the loan  applications, obtain the borrowers' credit  reports
and  order  the property  appraisals from  qualified  appraisers. In  advance of
reaching a financing decision  with respect to such  loans, PHMC will  typically
order both review appraisals and additional credit reports.
 
    In  order  to qualify  for participation  in  PHMC's mortgage  loan purchase
programs, lending institutions must (i) meet and maintain certain net worth  and
other   financial   standards,  (ii)   demonstrate  experience   in  originating
residential  mortgage  loans,  (iii)  meet  and  maintain  certain   operational
standards,  (iv) evaluate each loan offered  to PHMC for consistency with PHMC's
underwriting guidelines and  (v) utilize the  services of qualified  appraisers.
The   contractual  arrangements  with  eligible   originators  may  involve  the
commitment by PHMC  to accept delivery  of a certain  dollar amount of  mortgage
loans over a period of time; this commitment may be satisfied either by delivery
of  mortgage loans  one at  a time or  in multiples  as aggregated  by the other
originator. In all instances, however, acceptance by PHMC is contingent upon the
loans being found  to satisfy PHMC's  program standards. PHMC  may also  acquire
portfolios of seasoned loans in negotiated transactions.
 
                                       44
<PAGE>
MORTGAGE LOAN UNDERWRITING
 
    In  determining  whether to  lend to  a particular  mortgage borrower  or to
purchase a mortgage loan, PHMC makes an assessment of the applicant's ability to
repay the loan, as well as an assessment  of the value of the property to  which
the  financing relates. The underwriting  standards that guide the determination
represent a balancing of several factors  that may affect the ultimate  recovery
of  the loan amount, including, among others,  the amount of the loan, the ratio
of the loan amount to the property value (i.e., the lower of the appraised value
of the  mortgaged property  and the  purchase price),  the borrower's  means  of
support  and the borrower's  credit history. PHMC's  guidelines for underwriting
may vary according  to the nature  of the borrower  or the type  of loan,  since
differing  characteristics may  be perceived  as presenting  different levels of
risk.
 
    PHMC's underwriting of  a mortgage  loan may be  based on  data obtained  by
parties  other than  PHMC that  are involved at  various stages  in the mortgage
origination or acquisition process. This typically occurs under circumstances in
which loans are subject to more  than one approval process, as when  third-party
lenders, certain mortgage brokers or similar entities that have been approved by
PHMC to process loans on its behalf, or independent contractors hired by PHMC to
perform  underwriting  services  on its  behalf  ("contract  underwriters") make
initial determinations as  to the  consistency of loans  with PHMC  underwriting
guidelines.   In  such  instances,   certain  information  may,   but  need  not
necessarily, be resolicited by PHMC in connection with its approval process. For
example, in connection with a mortgage loan that is presented to PHMC by another
originator for purchase, PHMC will typically  order a second credit report,  but
it  will only order  a review appraisal under  certain limited circumstances, in
advance of reaching a  purchase decision. However,  in connection with  mortgage
loans that are processed on PHMC's behalf by certain mortgage brokers or similar
entities,  PHMC will customarily order both a  second credit report and a review
appraisal. When contract underwriters  are used, PHMC  will generally not  order
any  supplemental  documentation but  will review  the information  collected by
these providers,  who  are trained  by  PHMC personnel  in  PHMC's  underwriting
practices  and  are  required to  review  all  loans in  accordance  with PHMC's
underwriting guidelines. In  all cases,  PHMC makes the  final determination  to
approve or deny the funding or purchase of a particular mortgage loan.
 
    The loan application elicits pertinent information about the applicant, with
particular  emphasis on  the applicant's financial  health (assets, liabilities,
income and expenses), the property being financed and the type of loan  desired.
A  self-employed applicant  may be  required to  submit his  or her  most recent
signed federal  income tax  returns.  With respect  to every  applicant,  credit
reports  are  obtained  from  commercial  reporting  services,  summarizing  the
applicant's credit history with  merchants and lenders. Significant  unfavorable
credit  information reported by the applicant  or a credit reporting agency must
be explained by the applicant. The type of credit report that PHMC obtains,  and
that   it  authorizes   parties  referring   loans  to   it  to   obtain,  is  a
computer-generated report that  electronically merges  the information  gathered
from   the  data  bases  of  two   major  consumer  credit  repositories  (these
repositories produce what are commonly referred to as "in-file" credit reports).
In connection  with  its underwriting  procedure,  PHMC will,  with  the  single
exception  of the use of contract underwriters,  itself order a credit report of
the type described,  whether or not  a report has  previously been ordered  with
respect  to an applicant for whom another party has processed or approved of the
loan. Certain of the credit reports that PHMC obtains may be purchased through a
credit reporting service with which LSI has a contractual relationship.
 
    Verifications of  employment, income,  assets or  mortgages may  be used  to
supplement   the  loan  application   and  the  credit   report  in  reaching  a
determination as  to  the  applicant's  ability  to  meet  his  or  her  monthly
obligations  on the proposed mortgage loan, as well as his or her other mortgage
payments (if  any),  living  expenses  and  financial  obligations.  A  mortgage
verification  involves  obtaining information  regarding the  borrower's payment
history with  respect to  any existing  mortgage the  applicant may  have.  This
verification  is accomplished  by either  having the  present lender  complete a
verification of mortgage form, evaluating  the information on the credit  report
concerning   the  applicant's   payment  history  for   the  existing  mortgage,
communicating, either  verbally  or in  writing,  with the  applicant's  present
lender or analyzing cancelled
 
                                       45
<PAGE>
checks  provided by the applicant. Verifications  of income, assets or mortgages
may be waived under certain programs offered by PHMC, but PHMC's practice is  to
obtain  verification of employment  for every loan  applicant. Waivers limit the
amount of  documentation required  for  an underwriting  decision and  have  the
effect  of  increasing the  relative  importance of  the  credit report  and the
appraisal. Such  waivers  or  reduced-documentation  options  are,  in  general,
available  for owner-occupied properties  where the ratio of  the loan amount to
the property value does  not exceed 80%.  The interest rate  may be higher  with
respect  to a loan which has been processed according to a reduced documentation
program than a loan which has been processed under a full documentation program.
Documentation requirements vary based  upon a number  of factors, including  the
purpose  of the loan, the amount of the loan and the ratio of the loan amount to
the property value. The  least restrictive reduced-documentation programs  apply
to  the applicant for  a relocation loan  and to the  borrower whose loan amount
does not exceed $600,000 and whose Loan-to-Value Ratio is not in excess of  75%.
PHMC  accepts  alternative methods  of  verification, in  those  instances where
verifications are  part  of the  underwriting  decision; for  example,  salaried
income may be substantiated either by means of a form independently prepared and
signed  by the applicant's employer  or by means of  the applicant's most recent
paystub and W-2. In cases where two  or more persons have jointly applied for  a
mortgage  loan,  the  gross  incomes  and expenses  of  all  of  the applicants,
including nonoccupant co-mortgagors, are combined and considered as a unit.
 
    All borrowers applying for relocation  loans with Loan-to-Value Ratios  less
than  or  equal  to  90%,  as well  as  borrowers  affiliated  with professional
associations applying for loans with Loan-to-Value Ratios less than or equal  to
80%,  and all  other borrowers applying  for non-relocation  mortgage loans with
respect to  which  the Loan-to-Value  Ratios  are less  than  or equal  to  75%,
generally must demonstrate that the ratio of their total monthly housing debt to
their  monthly gross  income does not  exceed 33%,  and that the  ratio of their
total monthly debt to their monthly gross income does not exceed 38%;  borrowers
affiliated  with professional associations  applying for non-relocation mortgage
loans with  Loan-to-Value Ratios  in  excess of  80%,  and all  other  borrowers
applying  for non-relocation mortgage loans  with Loan-to-Value Ratios in excess
of  75%,  generally  must  satisfy  28%  and  36%  ratios,  respectively.  These
calculations are based on the amortization schedule and the interest rate of the
related  loan,  with each  ratio being  computed  on the  basis of  the proposed
monthly mortgage payment.  In the  case of adjustable-rate  mortgage loans,  the
interest  rate used to  determine a mortgagor's monthly  payment for purposes of
the foregoing ratios is the initial  mortgage interest rate, which is  generally
lower  than the sum of the index  that would have been applicable at origination
plus the applicable  margin. In  evaluating applications for  Subsidy Loans  and
Buy-Down  Loans,  the  foregoing  ratios  are  determined  by  including  in the
applicant's total monthly housing  expense and total  monthly debt the  proposed
monthly  mortgage payment  reduced by  the amount  expected to  be applied  on a
monthly basis under the related subsidy  agreement or buy-down agreement or,  in
certain  cases, the  mortgage payment  that would  result from  an interest rate
approximately 2.50%  lower  than the  Mortgage  Interest Rate.  See  "The  Trust
Estates--Mortgage  Loans." These ratios may be  exceeded if, in PHMC's judgment,
certain compensating  factors are  identified and  proved to  its  satisfaction,
including  a  large downpayment,  a  large equity  position  on a  refinance, an
excellent credit history,  substantial liquid  net worth, the  potential of  the
borrower  for continued employment advancement or  income growth, or the ability
of the borrower to accumulate assets or to devote a greater portion of income to
basic needs  such  as  housing  expense. Secondary  financing  is  permitted  on
mortgage  loans  under  certain  circumstances.  In  those  cases,  the  payment
obligations under  both primary  and  secondary financing  are included  in  the
computation  of  the debt-to-income  ratios  described above,  and  the combined
amount  of  primary  and  secondary  loans   will  be  used  to  calculate   the
Loan-to-Value  Ratio. Any  secondary financing  permitted will  generally mature
prior to  the maturity  date of  the  related mortgage  loan. In  evaluating  an
application  with respect to a "non-owner-occupied" property, which PHMC defines
as a property leased to a third party  by its owner (as distinct from a  "second
home,"  which PHMC defines as an owner-occupied, non-rental property that is not
the owner's principal residence), PHMC will permit projected rental income  from
such  property  to  be  included  in the  applicant's  monthly  gross  income if
necessary to  satisfy  the  foregoing  ratios. A  mortgage  loan  secured  by  a
 
                                       46
<PAGE>
two-  to four-family  Mortgaged Property is  considered to  be an owner-occupied
property if the borrower occupies one of  the units; rental income on the  other
units  is generally taken  into account in evaluating  the borrower's ability to
repay the mortgage loan.
 
    Property value  is established  in connection  with the  origination of  any
mortgage  loan  (whether  the loan  is  originated for  purchase  or refinancing
purposes) by means  of an  appraisal, which is  typically ordered  by the  party
originating  the  related  mortgage  loan. Consistent  with  this  practice, the
appraisals with respect  to the  loans generated through  corporate contacts  or
through  referrals from mortgage  brokers or other  similar entities (other than
those certain mortgage brokers or  similar entities that process mortgage  loans
on  PHMC's  behalf) are  generally ordered  by PHMC,  while the  appraisals with
respect to the loans sold  to PHMC by third-party  lenders are ordered by  those
other originators. PHMC may, however, at it discretion, order a review appraisal
with  respect to any loan  generated by a third-party  lender; in addition, PHMC
typically orders review appraisals with  respect to loans that certain  mortgage
brokers  or similar entities process on its behalf. A review appraisal, like the
original appraisal,  involves  the  making  of  a  site  visit,  the  taking  of
photographs, and the gathering of data on comparable properties. Unlike original
appraisals,  however,  review appraisals  do not  include  an inspection  of the
interior of the  house. A  review appraisal is  generally used  to validate  the
decision  made based  upon the original  appraisal. If the  variance between the
original and the review appraisal is significant, an explanation will be  sought
and  the underwriting decision  may be reevaluated.  In certain instances, which
most frequently  involve the  postponement  of the  closing  with respect  to  a
mortgage   loan  on  a  newly  built   home  due  to  construction  delays,  the
recertification of an appraisal  may be required.  A recertification includes  a
physical  inspection  of the  exterior of  the  property and  a statement  by an
appraiser that the present value of the property is no lower than that reflected
on the original appraisal.
 
    There can be no assurance that the values determined by the appraisers as of
the dates  of appraisal  represent the  prices at  which the  related  Mortgaged
Properties  can be sold, either as of  the dates of appraisal or at foreclosure.
The appraisal  of any  Mortgaged Property  reflects the  individual  appraiser's
judgment as to value, based on the market values of comparable homes sold within
the  recent past in comparable nearby locations and on the estimated replacement
cost. The appraisal relates both  to the land and to  the structure; in fact,  a
significant  portion  of the  appraised  value of  a  Mortgaged Property  may be
attributable to the value of the land  rather than to the residence. Because  of
the  unique  locations and  special  features of  certain  Mortgaged Properties,
identifying comparable  properties in  nearby locations  may be  difficult.  The
appraised  values of such Mortgaged Properties will be based to a greater extent
on adjustments made  by the  appraisers to  the appraised  values of  reasonably
similar  properties rather than  on objectively verifiable  sales data. See "The
Trust Estates--Mortgage Loans" herein.
 
    In connection with  all mortgage  loans that it  originates, PHMC  currently
obtains appraisals through LSI. Review appraisals with respect to mortgage loans
that  PHMC acquires, or with respect to  mortgage loans that PHMC originates but
that certain mortgage  brokers or similar  entities process on  its behalf,  are
also  likely  to be  obtained through  LSI.  LSI also  provides its  services to
third-party lenders which sell mortgage loans to PHMC.
 
    Most residential mortgage  lenders have not  originated mortgage loans  with
Loan-to-Value  Ratios in  excess of  80% unless  primary mortgage  insurance was
obtained. PHMC, however, does not require primary mortgage insurance on loans up
to $400,000 that have Loan-to-Value Ratios exceeding 80% but less than or  equal
to  90%.  Only owner-occupied,  primary  residences (excluding  cooperatives and
certain high-rise condominium  dwellings) are  eligible for  this program.  Each
qualifying  loan will be made  at an interest rate that  is higher than the rate
would be if  the Loan-to-Value  Ratio was  80% or  less or  if primary  mortgage
insurance  was  obtained. Loans  that do  not  qualify for  such program  may be
approved if  primary mortgage  insurance is  obtained from  an approved  primary
mortgage  insurance company. In such cases, the  excess over 75% will be covered
by primary mortgage insurance until the unpaid principal balance of the Mortgage
Loan is reduced to an amount that will result in a Loan-to-Value Ratio less than
or equal to 80%.
 
                                       47
<PAGE>
    Where permitted by law, PHMC generally  requires that a borrower include  in
each  monthly payment a  portion of the real  estate taxes, assessments, primary
mortgage insurance  (if applicable),  and hazard  insurance premiums  and  other
similar items with respect to the related mortgage loan. PHMC may, however, on a
case-by-case  basis, in  its discretion  not require  such advance  payments for
certain Mortgage Loans, based on an evaluation of the borrowers' ability to  pay
such taxes and charges as they become due.
 
MORTGAGE ORIGINATION PROCESSING
 
    PHMC,  or  an  affiliate  of PHMC,  may  provide  loan  processing services,
including document preparation, underwriting analysis and closing functions,  to
other  loan originators. It is  possible that PHMC may  purchase loans from such
loan originators,  or  from mortgage  sellers  that purchased  loans  from  such
originators,  that PHMC itself processed. Any  such loans purchased by PHMC will
meet PHMC's underwriting guidelines.
 
SERVICING
 
    Prior to  June  30,  1989,  all residential  mortgage  loans  originated  or
purchased by PHMC for its own account or for the account of Prudential Insurance
were  serviced by its affiliate, PMCC. On June 30, 1989, PHMC assumed all of the
residential mortgage servicing activities then  being performed by PMCC. On  May
31,  1991, PHMC entered into a Subservicing Agreement with AMC pursuant to which
PHMC  will  sub-service  AMC's  current   servicing  portfolio  of  FHA/VA   and
conventional  loans. PHMC is an approved servicer of FNMA, FHLMC and GNMA. As of
December 31,  1991, PHMC  had a  net worth  of approximately  $213 million.  See
"Servicing of the Mortgage Loans--The Servicer" below.
 
                                USE OF PROCEEDS
 
    The  net proceeds from the sale of  each Series of Certificates will be used
by the  Seller  for  the purchase  of  the  Mortgage Loans  represented  by  the
Certificates  of such Series  from PHMC. It  is expected that  PHMC will use the
proceeds from the  sale of  the Mortgage  Loans to  the Seller  for its  general
business purposes, including, without limitation, the origination or acquisition
of  new mortgage loans and  the repayment of borrowings  incurred to finance the
origination or  acquisition  of mortgage  loans,  including the  Mortgage  Loans
underlying the Certificates of such Series.
 
                        SERVICING OF THE MORTGAGE LOANS
 
THE SERVICER
 
    The  Servicer with  respect to  a Series of  Certificates will  be PHMC. See
"PHMC--Servicing" above. The Servicer may subcontract its servicing  obligations
under  any Pooling and  Servicing Agreement. The  Servicer will remain primarily
liable for any such subservicer's performance in accordance with the  applicable
Pooling  and  Servicing  Agreement.  The  Servicer  may  be  released  from  its
obligations  in   certain  circumstances.   See  "Servicing   of  the   Mortgage
Loans--Certain Matters Regarding the Servicer."
 
    Each Prospectus Supplement relating to a Series of Certificates will contain
information  concerning recent delinquency, foreclosure and loan loss experience
on the  mortgage  loans  included  in  PHMC's  servicing  portfolio  which  were
originated  or acquired by  PHMC for its own  account or for  the account of its
affiliates ("Program Loans"), and, if  available, on those Program Loans  having
payment  terms generally similar to  those of the Mortgage  Loans in the related
Trust Estate. PHMC's total servicing portfolio  of Program Loans as of any  date
may  include  loans  having  a  variety  of  payment  characteristics, including
adjustable rate mortgage loans and loans subject to subsidy agreements, and  the
overall  delinquency, foreclosure and loan loss  experience of the Program Loans
taken as a whole  may differ from  that of the Mortgage  Loans contained in  any
given Trust Estate and from that of mortgage servicers generally.
 
PAYMENTS ON MORTGAGE LOANS
 
    The Servicer will, as to each Series of Certificates, establish and maintain
a  separate  trust  account  or  accounts  in  the  name  of  the  Trustee  (the
"Certificate Account"), which must be  maintained with a depository  institution
(the  "Depository") either (i) whose long-term debt obligations (or, in the case
of a depository
 
                                       48
<PAGE>
institution which is  part of a  holding company structure,  the long term  debt
obligations  of which) are,  at the time  of any deposit  therein rated at least
"AA" (or  the  equivalent)  by each  nationally  recognized  statistical  rating
organization  that rated  the related  Series of  Certificates, or  (ii) that is
otherwise acceptable  to  the  Rating  Agency  or  Rating  Agencies  rating  the
Certificates  of such Series and, if a  REMIC election has been made, that would
not cause the related Trust Estate (or  a segregated pool of assets therein)  to
fail to qualify as a REMIC. To the extent that the portion of funds deposited in
the  Certificate Account  at any  time exceeds  the limit  of insurance coverage
established by  the Federal  Deposit Insurance  Corporation (the  "FDIC"),  such
excess  will be subject to  loss in the event of  the failure of the Depository.
Such insurance coverage will be based on the number of holders of  Certificates,
rather  than the  number of underlying  mortgagors. Holders  of the Subordinated
Certificates of a Series  of Shifting Interest Certificates  will bear any  such
loss  up to the  amount of principal  payments on the  related Mortgage Loans to
which such holders are entitled.
 
    The Servicer will  deposit in  the Certificate  Account for  each Series  of
Certificates  any  amounts  representing  scheduled  payments  of  principal and
interest on  the  Mortgage Loans  due  after  the applicable  Cut-Off  Date  but
received  on or prior thereto, and, on a daily basis, except as specified in the
applicable  Pooling  and  Servicing   Agreement,  the  following  payments   and
collections received or made by it with respect to the Mortgage Loans subsequent
to the applicable Cut-Off Date (other than payments due on or before the Cut-Off
Date):
 
         (i)  all payments on  account of principal,  including prepayments, and
    interest;
 
        (ii) all  amounts  received  by  the Servicer  in  connection  with  the
    liquidation  of  defaulted Mortgage  Loans or  property acquired  in respect
    thereof, whether through foreclosure  sale or otherwise, including  payments
    in  connection  with defaulted  Mortgage Loans  received from  the mortgagor
    other than amounts  required to  be paid to  the mortgagor  pursuant to  the
    terms  of  the  applicable  Mortgage  Loan  or  otherwise  pursuant  to  law
    ("Liquidation Proceeds") less, to the extent permitted under the  applicable
    Pooling  and Servicing  Agreement, the  amount of  any expenses  incurred in
    connection with the liquidation of such Mortgage Loans;
 
        (iii) all proceeds received by the  Servicer under any title, hazard  or
    other  insurance policy covering any such Mortgage Loan, other than proceeds
    to be applied to the  restoration or repair of  the property subject to  the
    related  Mortgage  or  released  to the  mortgagor  in  accordance  with the
    applicable Pooling and Servicing Agreement;
 
        (iv) all  amounts required  to  be deposited  therein from  any  related
    Reserve  Fund,  and  amounts  available  under  any  other  form  of  credit
    enhancement applicable to such Series;
 
        (v) all Periodic Advances made by the Servicer;
 
        (vi) all amounts withdrawn from Buy-Down Funds or Subsidy Funds, if any,
    with respect to  such Mortgage Loans,  in accordance with  the terms of  the
    respective agreements applicable thereto;
 
       (vii)  all proceeds  of any such  Mortgage Loans or  property acquired in
    respect thereof  purchased  or  repurchased  pursuant  to  the  Pooling  and
    Servicing Agreement; and
 
       (viii) all other amounts required to be deposited therein pursuant to the
    applicable Pooling and Servicing Agreement.
 
    Notwithstanding  the  foregoing,  the  Servicer  will  be  entitled,  at its
election, either (a)  to withhold and  pay itself the  applicable Servicing  Fee
and/or  to withhold and  pay to the  owner thereof the  Fixed Retained Yield, if
any, from any payment or other recovery  on account of interest as received  and
prior  to deposit in the  Certificate Account or (b)  to withdraw the applicable
Servicing Fee and/or  the Fixed  Retained Yield,  if any,  from the  Certificate
Account  after  the  entire  payment or  recovery  has  been  deposited therein;
provided, however, that with respect to each Trust Estate (or a segregated  pool
of  assets therein)  as to which  a REMIC  election has been  made, the Servicer
will, in each instance, withhold and pay to the owner thereof the Fixed Retained
Yield prior to  deposit of the  related payment or  recovery in the  Certificate
Account.
 
                                       49
<PAGE>
    Periodic  Advances,  amounts withdrawn  from  any Buy-Down  Fund  or Subsidy
Account, amounts withdrawn from  any reserve fund,  and amounts available  under
any  other  form of  credit enhancement,  will be  deposited in  the Certificate
Account not later than the business day preceding the Distribution Date on which
such amounts are required to be distributed. All other amounts will be deposited
in the Certificate Account  not later than the  business day next following  the
day of receipt and posting by the Servicer.
 
    If  the Servicer deposits in the Certificate Account for a Series any amount
not required to be deposited  therein, it may at  any time withdraw such  amount
from  such Certificate Account. Funds on  deposit in the Certificate Account may
be invested in certain Eligible Investments  maturing in general not later  than
the  business day  preceding the  next Distribution Date.  In the  event that an
election has been made to treat the Trust Estate (or a segregated pool of assets
therein) with respect to a Series as a REMIC, no such Eligible Investments  will
be  sold or  disposed of  at a gain  prior to  maturity unless  the Servicer has
received an opinion of  counsel or other evidence  satisfactory to it that  such
sale  or disposition  will not  cause the  Trust Estate  (or segregated  pool of
assets) to be subject  to the tax on  "prohibited transactions" imposed by  Code
Section  860F(a)(1), otherwise subject  the Trust Estate  (or segregated pool of
assets) to tax, or cause the Trust Estate (or segregated pool of assets) to fail
to qualify as  a REMIC  while any Certificates  of the  Series are  outstanding.
Except  as  otherwise specified  in  the applicable  Prospectus  Supplement, all
income and gain realized from any such investment will be for the account of the
Servicer as  additional servicing  compensation  and all  losses from  any  such
investment  will  be  deposited by  the  Servicer into  the  Certificate Account
immediately as realized.
 
    The Servicer is permitted, from time  to time, to make withdrawals from  the
Certificate  Account for the following purposes,  to the extent permitted in the
applicable Pooling and Servicing Agreement:
 
         (i) to reimburse itself for Periodic Advances;
 
        (ii) to  reimburse  itself  for liquidation  expenses  and  for  amounts
    expended by it in connection with the restoration of damaged property;
 
        (iii) to pay to itself the applicable Servicing Fee and/or pay the owner
    thereof any Fixed Retained Yield, in the event the Servicer is not required,
    and  has elected not, to  withhold such amounts out  of any payment or other
    recovery with respect to a particular Mortgage Loan prior to the deposit  of
    such payment or recovery in the Certificate Account;
 
        (iv)  to reimburse itself for certain  expenses (including taxes paid on
    behalf of the Trust Estate) incurred  by and recoverable by or  reimbursable
    to it;
 
        (v)  to pay to the Seller with respect to each Mortgage Loan or property
    acquired in respect  thereof that has  been repurchased by  the Seller,  all
    amounts  received thereon and not distributed as of the date as of which the
    purchase price of such Mortgage Loan was determined;
 
        (vi) to pay itself  any interest earned on  or investment income  earned
    with  respect  to funds  in the  Certificate Account  (all such  interest or
    income to be withdrawn not later than the next Distribution Date);
 
       (vii) to pay itself from net Liquidation Proceeds allocable to  interest,
    the amount of any unpaid Servicing Fees and any unpaid assumption fees, late
    payment charges or other mortgagor charges on the related Mortgage Loan;
 
       (viii)  to withdraw from the Certificate  Account any amount deposited in
    the Certificate Account that was not required to be deposited therein;
 
        (ix) to make withdrawals from the  Certificate Account in order to  make
    distributions to Certificateholders; and
 
        (x) to clear and terminate the Certificate Account.
 
                                       50
<PAGE>
    The  Servicer  will be  authorized to  appoint a  paying agent  (the "Paying
Agent") to make distributions, as agent for the Servicer, to  Certificateholders
of  a Series. If  the Paying Agent for  a Series is the  Trustee of such Series,
such Paying Agent will  be authorized to make  withdrawals from the  Certificate
Account  in order  to make  distributions to  Certificateholders. If  the Paying
Agent for a Series is not the Trustee for such Series, the Servicer will,  prior
to  each Distribution Date, deposit in immediately available funds in an account
designated by the  Paying Agent  the amount required  to be  distributed to  the
Certificateholders on such Distribution Date.
 
    The Servicer will cause any Paying Agent which is not the Trustee to execute
and  deliver to the Trustee an instrument in which such Paying Agent agrees with
the Trustee that such Paying Agent will:
 
        (1) hold all amounts deposited with it by the Servicer for  distribution
    to  Certificateholders in trust for  the benefit of Certificateholders until
    such amounts are distributed to Certificateholders or otherwise disposed  of
    as provided in the applicable Pooling and Servicing Agreement;
 
        (2) give the Trustee notice of any default by the Servicer in the making
    of such deposit; and
 
        (3) at any time during the continuance of any such default, upon written
    request  of the Trustee,  forthwith pay to  the Trustee all  amounts held in
    trust by such Paying Agent.
 
PERIODIC ADVANCES AND LIMITATIONS THEREON
 
    With respect  to each  Series,  the Servicer  will  agree to  make  Periodic
Advances in the amounts specified in the applicable Prospectus Supplement. Funds
of  the Servicer  so advanced  are recoverable  by the  Servicer out  of amounts
received on Mortgage Loans  with respect to which  such funds were advanced  and
which  represent late recoveries  of principal and/or  interest respecting which
any such Periodic  Advance was  made, or, if  the Servicer  determines that  any
Periodic  Advance may not be so recoverable, out of any funds in the Certificate
Account. The Servicer  will make Periodic  Advances only if  it determines  that
funds  will  ultimately  be  available  to reimburse  it.  If  specified  in the
applicable Prospectus Supplement, a reserve fund may be established with respect
to any Series  of Certificates in  order to  provide a source  of liquidity  for
Periodic  Advances by the  Servicer. Any such  reserve fund will  be funded by a
deposit made by the Servicer in such an amount specified, and will otherwise  be
as described, in the applicable Prospectus Supplement.
 
ADJUSTMENT TO SERVICING FEE IN CONNECTION WITH PREPAID MORTGAGE LOANS
 
    When a mortgagor prepays all of a Mortgage Loan, the mortgagor pays interest
on the amount prepaid only to the date on which the principal prepayment in full
is  made. Unless otherwise specified in the applicable Prospectus Supplement, in
order to mitigate the adverse effect to Certificateholders of a Series resulting
from the prepayment  in full  of a  Mortgage Loan  the amount  of the  aggregate
Servicing  Fees will be offset by an amount  equal to the accrual of interest on
any fully  prepaid Mortgage  Loan at  the Net  Mortgage Interest  Rate for  such
Mortgage  Loan from the date of its prepayment to but not including the next Due
Date (the "Prepayment  Interest Shortfall").  Such reductions  in the  aggregate
Servicing  Fees will be made by the  Servicer with respect to the Mortgage Loans
under the applicable  Pooling and Servicing  Agreement, but only  to the  extent
that  the aggregate Prepayment Interest Shortfall  does not exceed the aggregate
amount of the Servicing Fee relating  to mortgagor payments or other  recoveries
distributed  on the related Distribution Date.  The amount of the offset against
the  aggregate  Servicing  Fees  will  be  included  in  the  distributions   to
Certificateholders  on  the Distribution  Date  on which  the  related principal
prepayments in full are passed  through to Certificateholders. Unless  otherwise
specified  in  the  applicable  Prospectus  Supplement,  any  interest shortfall
arising from partial  prepayments or  liquidations will  not be  so offset.  See
"Prepayment  and  Yield  Considerations." Payments  of  the  Prepayment Interest
Shortfall will not be obtained  by means of any  subordination of the rights  of
Subordinated Certificateholders or any other credit enhancement arrangement.
 
                                       51
<PAGE>
REPORTS TO CERTIFICATEHOLDERS
 
    Unless  otherwise specified or modified in the related Pooling and Servicing
Agreement for each Series, the Servicer will include, or, in the event a  Paying
Agent  has been  appointed with  respect to such  Series, will  cause the Paying
Agent to include, with each distribution to Certificateholders of record of such
Series a statement setting forth the following information, if applicable:
 
         (i)  to  each  holder  of  a  Certificate  other  than  a   Multi-Class
    Certificate,  the amount of such distribution  allocable to principal of the
    related Mortgage Loans, separately identifying  the aggregate amount of  any
    principal  prepayments  included therein,  the  amount of  such distribution
    allocable to interest on the related Mortgage Loans and the aggregate unpaid
    principal balance of the Mortgage Loans evidenced by each Class after giving
    effect to the principal distributions on such Distribution Date;
 
        (ii) to each holder  of a Multi-Class Certificate  on which an  interest
    distribution and a distribution in reduction of Stated Amount are then being
    made, the amount of such interest distribution and distribution in reduction
    of Stated Amount, and the Stated Amount of each Class after giving effect to
    the  distribution in  reduction of Stated  Amount made  on such Distribution
    Date;
 
        (iii)  to  each  holder  of   a  Multi-Class  Certificate  on  which   a
    distribution  of  interest only  is then  being  made, the  aggregate Stated
    Amount of Certificates outstanding of each Class after giving effect to  the
    distribution  in reduction of  Stated Amount made  on such Distribution Date
    and on any Special Distribution Date  occurring subsequent to the last  such
    report  and after including in the aggregate Stated Amount the Stated Amount
    of the Compound Interest Certificates, if any, outstanding and the amount of
    any accrued interest added  to the Stated Amount  of such Compound  Interest
    Certificates on such Distribution Date;
 
        (iv)  to each  holder of a  Multi-Class Certificate which  is a Compound
    Interest Certificate (but  only if  such holder  shall not  have received  a
    distribution  of interest equal to the  entire amount of interest accrued on
    such Certificate with respect to such Distribution Date):
 
           (a) the information  contained in  the report  delivered pursuant  to
       clause (ii) above;
 
           (b)   the  interest  accrued  on  such  Class  of  Compound  Interest
       Certificates with  respect to  such Distribution  Date and  added to  the
       Stated Amount of such Compound Interest Certificate; and
 
           (c) the Stated Amount of such Class of Compound Interest Certificates
       after  giving  effect to  the addition  thereto  of all  interest accrued
       thereon;
 
        (v)  to  each  holder  of   a  Certificate,  the  amount  of   servicing
    compensation  with  respect  to  the related  Trust  Estate  and  such other
    customary information as the Servicer deems necessary or desirable to enable
    Certificateholders to prepare their tax returns;
 
        (vi) to each holder of a Certificate, the amount by which the  Servicing
    Fee  has been reduced by the aggregate Prepayment Interest Shortfall for the
    related Distribution Date;
 
       (vii) the  aggregate amount  of  any Periodic  Advances by  the  Servicer
    included in the amounts actually distributed to the Certificateholders;
 
       (viii)  to each holder of each  Senior Certificate (other than a Shifting
    Interest Certificate):
 
           (a)  the  amount  of  funds,  if  any,  otherwise  distributable   to
       Subordinated Certificateholders and the amount of any withdrawal from the
       Subordination  Reserve Fund  included in amounts  actually distributed to
       Senior Certificateholders;
 
           (b)  the  Subordinated  Amount  remaining  and  the  balance  in  the
       Subordination Reserve Fund following such distribution; and
 
                                       52
<PAGE>
           (c) the amount of any Senior Class Shortfall with respect to, and the
       amount of any Senior Class Carryover Shortfall outstanding prior to, such
       Distribution Date;
 
        (ix)  to  each  holder of  a  Certificate  entitled to  the  benefits of
    payments under any form of credit enhancement or from any reserve fund other
    than the Subordination Reserve Fund:
 
           (a) the  amounts  so  distributed  under  any  such  form  of  credit
       enhancement  or from any such reserve fund on the applicable Distribution
       Date; and
 
           (b) the amount of  coverage remaining under any  such form of  credit
       enhancement  and the balance in any such fund, after giving effect to any
       payments thereunder and other amounts charged thereto on the Distribution
       Date;
 
        (x) in the case of a Series of Certificates with a variable Pass-Through
    Rate, such Pass-Through Rate;
 
        (xi) the  book value  of any  collateral acquired  by the  Trust  Estate
    through foreclosure or
    otherwise;
 
        (xii)  the unpaid principal balance of any Mortgage Loan as to which the
    Servicer has determined  not to  foreclose because it  believes the  related
    Mortgaged  Property may be contaminated with or affected by hazardous wastes
    or hazardous substances; and
 
       (xiii) the number and  aggregate principal amount  of Mortgage Loans  one
    month, two months and three or more months delinquent.
 
    In  addition,  within a  reasonable period  of  time after  the end  of each
calendar year, the Servicer will furnish either directly, or through the  Paying
Agent,  if any, a report to each  Certificateholder of record at any time during
such calendar year (a) as to the  aggregate of amounts reported pursuant to  (i)
and  (ii) above,  as applicable, for  such calendar  year or, in  the event such
person was a Certificateholder of record during a portion of such calendar year,
for the  applicable portion  of such  year  and (b)  such other  information  as
required  by the Code and applicable  regulations thereunder and as the Servicer
deems necessary or desirable to  enable Certificateholders to prepare their  tax
returns.  (Section 4.02.) In the  event that an election  has been made to treat
the Trust  Estate (or  a segregated  pool of  assets therein)  as a  REMIC,  the
Trustee  will be required  to sign the  Federal income tax  returns of the REMIC
(which will  be prepared  by  the Servicer).  See  "Certain Federal  Income  Tax
Consequences--Federal  Income Tax Consequences for REMIC Certificates-- Taxation
of Residual Certificates--Administrative Matters."
 
REPORTS TO THE TRUSTEE
 
    No later  than  15 days  after  each Distribution  Date  for a  Series,  the
Servicer will provide the Trustee of such Series with a report setting forth the
status  of the related Certificate Account and the related Subordination Reserve
Fund and any other reserve fund as of the close of business on such Distribution
Date, stating that all distributions required  to be made by the Servicer  under
the  applicable  Pooling  and Servicing  Agreement  have  been made  (or  if any
required distribution has not been made  by the Servicer, specifying the  nature
and  status thereof) and showing, for the  period covered by such statement, the
aggregate of deposits to and withdrawals  from the Certificate Account for  each
category  of deposits  and withdrawals  specified in  the Pooling  and Servicing
Agreement. Such statement shall also include information as to (i) the aggregate
unpaid principal balances of all the Mortgage Loans as of the close of  business
on the last day of the month preceding the month in which such Distribution Date
occurs;  and (ii)  the amount  of any Subordination  Reserve Fund  and any other
reserve fund,  as  of  such  Distribution  Date  (after  giving  effect  to  the
distributions on such Distribution Date). Copies of such reports may be obtained
by Certificateholders upon request in writing addressed to the Servicer, c/o The
Prudential  Home  Mortgage Company,  Inc., 7470  New Technology  Way, Frederick,
Maryland 21701. If the Servicer should fail to provide such copies, they may  be
obtained from the Trustee. (Section 3.12).
 
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<PAGE>
COLLECTION AND OTHER SERVICING PROCEDURES
 
    The Servicer will make reasonable efforts to collect all payments called for
under  the Mortgage Loans  and will, consistent with  the applicable Pooling and
Servicing Agreement and any  applicable agreement governing  any form of  credit
enhancement,  follow such  collection procedures as  it follows  with respect to
mortgage loans  serviced  by it  that  are  comparable to  the  Mortgage  Loans.
Consistent  with the above, the  Servicer may, in its  discretion, (i) waive any
prepayment charge, assumption fee,  late payment charge or  any other charge  in
connection  with  the prepayment  of a  Mortgage  Loan and  (ii) arrange  with a
mortgagor a schedule for  the liquidation of deficiencies  running for not  more
than 180 days after the applicable Due Date.
 
    Under  the  Pooling and  Servicing Agreement,  the  Servicer, to  the extent
permitted by law, will establish and  maintain one or more escrow accounts  (the
"Servicing  Account")  in which  the Servicer  will be  required to  deposit any
payments made by mortgagors in advance for taxes, assessments, primary  mortgage
(if   applicable)  and  hazard  insurance  premiums  and  other  similar  items.
Withdrawals from the Servicing Account may  be made to effect timely payment  of
taxes,  assessments,  mortgage and  hazard  insurance, to  refund  to mortgagors
amounts determined to be overages, to pay interest to mortgagors on balances  in
the Servicing Account, if required, and to clear and terminate such account. The
Servicer  will be responsible for the  administration of each Servicing Account.
The Servicer will be obligated to  advance certain amounts which are not  timely
paid  by the mortgagors, to  the extent that it  determines, in good faith, that
they will be  recoverable out  of insurance proceeds,  liquidation proceeds,  or
otherwise.  Alternatively,  in lieu  of  establishing a  Servicing  Account, the
Servicer may procure a performance bond or other form of insurance coverage,  in
an  amount  acceptable  to  the  Rating  Agency  rating  the  related  Series of
Certificates, covering loss occasioned  by the failure  to escrow such  amounts.
(Section 3.06.)
 
ENFORCEMENT OF DUE-ON-SALE CLAUSES; REALIZATION UPON DEFAULTED MORTGAGE LOANS
 
    With  respect to  each Mortgage  Loan having  a fixed  interest rate, unless
otherwise specified in  the applicable Prospectus  Supplement, each Pooling  and
Servicing  Agreement will provide that, when  any Mortgaged Property is about to
be conveyed by the mortgagor, the Servicer will, to the extent it has  knowledge
of  such prospective conveyance, exercise its  rights to accelerate the maturity
of such Mortgage Loan under the "due-on-sale" clause applicable thereto, if any,
unless it is  not exercisable  under applicable law  or if  such exercise  would
result  in loss  of insurance  coverage with  respect to  such Mortgage  Loan or
would, in the Servicer's judgment, be reasonably likely to result in  litigation
by  the mortgagor. In either  case, the Servicer is  authorized to take or enter
into an assumption and  modification agreement from or  with the person to  whom
such  Mortgaged Property has been or is  about to be conveyed, pursuant to which
such person becomes  liable under the  Mortgage Note and,  unless prohibited  by
applicable  state law, the  mortgagor remains liable  thereon, provided that the
Mortgage Loan will continue to be covered  by any pool insurance policy and  any
related  primary mortgage insurance  policy and the  Mortgage Interest Rate with
respect to such Mortgage Loan and the payment terms shall remain unchanged.  The
Servicer  will also be authorized,  with the prior approval  of the pool insurer
and the  primary mortgage  insurer, if  any,  to enter  into a  substitution  of
liability  agreement with such person, pursuant  to which the original mortgagor
is released  from liability  and such  person is  substituted as  mortgagor  and
becomes liable under the Mortgage Note. (Section 3.08)
 
    The Servicer is obligated under the Pooling and Servicing Agreement for each
Series  to realize upon  defaulted Mortgage Loans in  accordance with its normal
servicing practices, which will conform  generally to those of prudent  mortgage
lending  institutions which service mortgage loans of  the same type in the same
jurisdictions. Notwithstanding the foregoing,  the Servicer is authorized  under
the  Pooling and  Servicing Agreement  to permit  the assumption  of a defaulted
Mortgage Loan rather than to foreclose  or accept a deed-in-lieu of  foreclosure
if,  in the  Servicer's judgment, the  default is  unlikely to be  cured and the
assuming borrower meets PHMC's underwriting  guidelines. In connection with  any
such assumption, the Mortgage Interest Rate and the payment terms of the related
Mortgage  Note  will  not  be changed.  See  also  "The  Trust Estates--Mortgage
Loans--Optional Repurchases,"  above,  with respect  to  the Seller's  right  to
repurchase  defaulted Mortgage  Loans. Further,  the Servicer  may encourage the
refinancing of such defaulted Mortgage
 
                                       54
<PAGE>
Loans, including  Mortgage Loans  that would  permit creditworthy  borrowers  to
assume  the outstanding indebtedness. In the case of foreclosure or of damage to
a Mortgaged Property from  an uninsured cause, the  Servicer is not required  to
expend  its own funds  to foreclose or  restore any damaged  property, unless it
reasonably determines (i) that such foreclosure or restoration will increase the
proceeds to Certificateholders  of such  Series of liquidation  of the  Mortgage
Loan  after reimbursement of  the Servicer for  its expenses and  (ii) that such
expenses will be recoverable  to it through Liquidation  Proceeds. In the  event
that  the Servicer  has expended  its own  funds for  foreclosure or  to restore
damaged property, it will be entitled to charge the Certificate Account for such
Series an amount equal to all costs and expenses incurred by it. (Sections  3.03
and 3.09).
 
    The  Servicer is not obligated to  foreclose on any Mortgaged Property which
it believes  may  be  contaminated  with or  affected  by  hazardous  wastes  or
hazardous   substances.   See   "Certain   Legal   Aspects   of   the   Mortgage
Loans--Environmental Considerations." If  the Servicer does  not foreclose on  a
Mortgaged  Property, the Certificateholders of the related Series may experience
a loss on  the related Mortgage  Loan. The Servicer  will not be  liable to  the
Certificateholders  if it  fails to foreclose  on a Mortgaged  Property which it
believes may be so contaminated or affected, even if such Mortgaged Property is,
in fact, not so contaminated or  affected. Conversely, the Servicer will not  be
liable  to  the  Certificateholders  if,  based  on  its  belief  that  no  such
contamination or effect exists, the Servicer forecloses on a Mortgaged  Property
and  takes  title  to such  Mortgaged  Property, and  thereafter  such Mortgaged
Property is determined to be so contaminated or affected.
 
    The Servicer may  foreclose against property  securing a defaulted  Mortgage
Loan  either by foreclosure, by sale or by strict foreclosure and in the event a
deficiency judgment  is available  against the  mortgagor or  other person  (see
"Certain  Legal Aspects  of the Mortgage  Loans--Anti-Deficiency Legislation and
Other Limitations on Lenders" for a discussion of the availability of deficiency
judgments), may proceed for the deficiency. It is anticipated that in most cases
the Servicer  will  not seek  deficiency  judgments,  and the  Servicer  is  not
required under the Pooling and Servicing Agreement to seek deficiency judgments.
 
    With  respect to a Trust Estate (or  a segregated pool of assets therein) as
to which a REMIC election  has been made, if  the trustee acquires ownership  of
any  Mortgaged Property  as a  result of  a default  or imminent  default of any
Mortgage Loan secured by such Mortgaged  Property, the Trustee will be  required
to  dispose of such property  within two years following  its acquisition by the
Trust Estate. The  Servicer also will  be required to  administer the  Mortgaged
Property  in a  manner which does  not cause  the Mortgaged Property  to fail to
qualify as "foreclosure property" within the meaning of Code Section  860G(a)(8)
or result in the receipt by the Trust Estate of any "net income from foreclosure
property"  within  the  meaning  of Code  Section  860G(c)(2),  respectively. In
general, this would preclude  the holding of the  Mortgaged Property by a  party
acting as a dealer in such property or the receipt of rental income based on the
profits  of  the  lessee  of  such property.  See  "Certain  Federal  Income Tax
Consequences."
 
FIXED RETAINED YIELD, SERVICING COMPENSATION AND PAYMENT OF EXPENSES
 
    Fixed Retained Yield with respect to  any Mortgage Loan is that portion,  if
any,  of interest  at the  Mortgage Interest  Rate that  is not  included in the
related Trust  Estate.  The Prospectus  Supplement  for a  Series  will  specify
whether  there is any Fixed Retained Yield with respect to the Mortgage Loans of
such Series.  If  so,  the  Fixed  Retained  Yield  will  be  established  on  a
loan-by-loan  basis  and will  be specified  in the  schedule of  Mortgage Loans
attached as an exhibit  to the applicable Pooling  and Servicing Agreement.  The
Servicer may deduct the Fixed Retained Yield from mortgagor payments as received
and prior to deposit of such payments in the Certificate Account for such Series
or  may  (unless an  election has  been made  to  treat the  Trust Estate  (or a
segregated pool of assets therein) as a REMIC) withdraw the Fixed Retained Yield
from the Certificate Account after the entire payment has been deposited in  the
Certificate  Account. Notwithstanding the foregoing, with respect to any payment
of interest received by the Servicer  relating to a Mortgage Loan (whether  paid
by  the mortgagor  or received  as Liquidation  Proceeds, insurance  proceeds or
otherwise)
 
                                       55
<PAGE>
which is less than  the full amount  of interest then due  with respect to  such
Mortgage  Loan,  the owner  of the  Fixed  Retained Yield  with respect  to such
Mortgage Loan will receive as its Fixed  Retained Yield only its pro rata  share
of such interest payment.
 
    For  each Series of Certificates,  the Servicer will be  entitled to be paid
the Servicing  Fee  on the  related  Mortgage  Loans until  termination  of  the
applicable  Pooling and Servicing Agreement, subject, unless otherwise specified
in the  applicable  Prospectus  Supplement, to  adjustment  as  described  under
"Adjustment  to Servicing Fee in Connection with Prepaid and Liquidated Mortgage
Loans." The Servicer, at its election, will  pay itself the Servicing Fee for  a
Series  with respect to each Mortgage Loan  by (a) withholding the Servicing Fee
from any scheduled payment of interest prior  to deposit of such payment in  the
Certificate  Account for such  Series or (b) withdrawing  the Servicing Fee from
the Certificate Account after the entire interest payment has been deposited  in
the Certificate Account. The Servicer may also pay itself out of the Liquidation
Proceeds  of  a  Mortgage Loan  or  other  recoveries with  respect  thereto, or
withdraw from the Certificate Account, or if such Liquidation Proceeds or  other
recoveries  are insufficient, from  Net Foreclosure Profits  with respect to the
related Distribution Date the Servicing Fee in respect of such Mortgage Loan  to
the  extent  provided in  the applicable  Pooling  and Servicing  Agreement. The
Servicing Fee with respect to the Mortgage Loans underlying the Certificates  of
a  Series will be specified in  the applicable Prospectus Supplement. Additional
servicing compensation in the form of prepayment charges, assumption fees,  late
payment charges or otherwise will be retained by the Servicer.
 
    The Servicer will pay all expenses incurred in connection with the servicing
of  the  Mortgage  Loans  underlying a  Series,  including,  without limitation,
payment of  the hazard  insurance  policy premiums  and  fees or  other  amounts
payable  pursuant  to  any  applicable agreement  for  the  provision  of credit
enhancement for  such Series,  payment  of the  fees  and disbursements  of  the
Trustee  and any custodian, fees due to the independent accountants and expenses
incurred in  connection with  distributions and  reports to  Certificateholders.
Certain  of these expenses may  be reimbursable to the  Servicer pursuant to the
terms of the applicable Pooling and Servicing Agreement.
 
    As set forth in  the preceding paragraph, the  Servicer will be entitled  to
reimbursement  for  certain  expenses  incurred by  it  in  connection  with the
liquidation of defaulted Mortgage Loans. In the event that claims are either not
made or are not fully paid from  any applicable form of credit enhancement,  the
related Trust Estate will suffer a loss to the extent that Liquidation Proceeds,
after  reimbursement of the Servicing Fee and  the expenses of the Servicer, are
less than the principal  balance of the related  Mortgage Loan. The Servicer  is
also  entitled  to  reimbursement  from  the  Certificate  Account  of  Periodic
Advances, of advances made  by it to pay  taxes, insurance premiums and  similar
items  with respect to any Mortgaged Property, of expenditures incurred by it in
connection with the restoration of any Mortgaged Property and of certain  losses
against which it is indemnified by the Trust Estate. (Section 3.03).
 
EVIDENCE AS TO COMPLIANCE
 
    The  Servicer will deliver  to the Trustee  annually, on or  before the date
specified in  the  Pooling and  Servicing  Agreement, an  Officer's  Certificate
stating that (i) a review of the activities of the Servicer during the preceding
calendar  year and of performance under  the Pooling and Servicing Agreement has
been made under the supervision  of such officer, and (ii)  to the best of  such
officer's  knowledge, based on  such review, the Servicer  has fulfilled all its
obligations under the Pooling and Servicing Agreement throughout such year,  or,
if  there  has  been  a  default in  the  fulfillment  of  any  such obligation,
specifying each such  default known to  such officer and  the nature and  status
thereof.  Such Officer's  Certificate shall be  accompanied by a  statement of a
firm of independent public accountants  to the effect that,  on the basis of  an
examination  of certain  documents and  records relating  to the  mortgage loans
being serviced by the Servicer,  conducted substantially in compliance with  the
Uniform  Single  Audit  Program  for Mortgage  Bankers,  the  servicing  of such
mortgage loans was conducted  in compliance with the  provisions of the  Pooling
and  Servicing  Agreement  and other  similar  agreements, except  for  (i) such
exceptions as such firm believes to be immaterial and (ii) such other exceptions
as are set forth in such statement. (Sections 3.13, 3.14).
 
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<PAGE>
CERTAIN MATTERS REGARDING THE SERVICER
 
    The Servicer  may not  resign  from its  obligations  and duties  under  the
Pooling  and  Servicing Agreement  for  each Series  (other  than its  duties as
Certificate Registrar for such Series, if it is acting as such), except upon its
determination that  its  duties  thereunder  are  no  longer  permissible  under
applicable  law or are in material conflict by reason of applicable law with any
other activities of a type and nature carried on by it. No such resignation will
become effective until the Trustee for  such Series or a successor servicer  has
assumed  the Servicer's obligations  and duties under  the Pooling and Servicing
Agreement. (Section 6.04).  If the  Servicer resigns  for any  of the  foregoing
reasons  and the  Trustee is  unable or  unwilling to  assume responsibility for
servicing the Mortgage  Loans, it  may appoint another  institution as  mortgage
loan servicer, as described under "Rights Upon Event of Default" below.
 
    The  Pooling  and Servicing  Agreement will  also  provide that  neither the
Servicer, any subservicer, nor any partner, director, officer, employee or agent
of either  of them  (or of  any  partner of  the Servicer),  will be  under  any
liability  to the Trust Estate or the  Certificateholders, for the taking of any
action or for refraining from the taking of any action in good faith pursuant to
the Pooling  and  Servicing Agreement,  or  for errors  in  judgment;  provided,
however, that neither the Servicer, any subservicer, nor any such person will be
protected  against any  liability that would  otherwise be imposed  by reason of
willful misfeasance, bad faith or gross negligence in the performance of his  or
its  duties or  by reason of  reckless disregard  of his or  its obligations and
duties thereunder. The Pooling and Servicing Agreement will further provide that
the Servicer, any subservicer, and  any partner, director, officer, employee  or
agent of either of them (or of any partner of the Servicer) shall be entitled to
indemnification  by the Trust Estate and will be held harmless against any loss,
liability or expense incurred  in connection with any  legal action relating  to
the  Pooling and Servicing  Agreement or the Certificates,  other than any loss,
liability or expense  incurred by reason  of willful misfeasance,  bad faith  or
gross negligence in the performance of his or its duties thereunder or by reason
of  reckless  disregard of  his  or its  obligations  and duties  thereunder. In
addition, the Pooling  and Servicing  Agreement will provide  that the  Servicer
will  not be under  any obligation to  appear in, prosecute  or defend any legal
action that is  not incidental  to its duties  under the  Pooling and  Servicing
Agreement  and that in its  opinion may involve it  in any expense or liability.
The Servicer may, however, in its  discretion, undertake any such action  deemed
by it necessary or desirable with respect to the Pooling and Servicing Agreement
and  the  rights and  duties of  the parties  thereto and  the interests  of the
Certificateholders thereunder. In such  event, the legal  expenses and costs  of
such  action and any  liability resulting therefrom will  be expenses, costs and
liabilities of  the  Trust  Estate and  the  Servicer  will be  entitled  to  be
reimbursed  therefor out of the  Certificate Account, and any  loss to the Trust
Estate arising from such right of reimbursement will be allocated pro rata among
the various Classes of Certificates unless otherwise specified in the applicable
Pooling and Servicing Agreement. (Section 6.03).
 
    Any person into  which the Servicer  may be merged  or consolidated, or  any
person  resulting  from any  merger, conversion  or  consolidation to  which the
Servicer is  a party,  or any  person  succeeding to  the business  through  the
transfer  of substantially all of its assets, or otherwise, of the Servicer will
be the successor of the Servicer  under the Pooling and Servicing Agreement  for
each  Series provided  that such successor  or resulting entity  is qualified to
service mortgage loans for FNMA  or FHLMC and has a  net worth of not less  than
$15,000,000.
 
    The Servicer also has the right to assign its rights and delegate its duties
and  obligations  under the  Pooling and  Servicing  Agreement for  each Series;
provided that  (i) the  purchaser  or transferee  accepting such  assignment  or
delegation  is  qualified  to  service  mortgage loans  for  FNMA  or  FHLMC, is
satisfactory to the Trustee for such  Series, in the exercise of its  reasonable
judgment,  and executes and  delivers to the  Trustee an agreement,  in form and
substance reasonably satisfactory to the  Trustee, which contains an  assumption
by  such  purchaser  or  transferee  of the  due  and  punctual  performance and
observance of each  covenant and condition  to be performed  or observed by  the
Servicer  under the Pooling and  Servicing Agreement from and  after the date of
such  agreement;  and  (ii)  each  applicable  Rating  Agency's  rating  of  any
Certificates  for such  Series in effect  immediately prior  to such assignment,
sale or transfer is not
 
                                       57
<PAGE>
reasonably likely to be qualified, downgraded  or withdrawn as a result of  such
assignment,  sale or transfer and the  Certificates are not reasonably likely to
be placed on credit review status by  any such Rating Agency. The Servicer  will
be  released from its obligations under the Pooling and Servicing Agreement upon
any such assignment and delegation, except that the Servicer will remain  liable
for  all liabilities and obligations  incurred by it prior  to the time that the
conditions contained in clauses (i) and (ii) above are met. (Section 6.02).
 
                      THE POOLING AND SERVICING AGREEMENT
 
EVENTS OF DEFAULT
 
    Events of Default under the Pooling and Servicing Agreement for each  Series
include  (i) any failure by the Servicer to distribute to Certificateholders any
required payment which  continues unremedied  for 10  days after  the giving  of
written  notice of such failure to the  Servicer by the Trustee for such Series,
or to the Servicer and the Trustee by the holders of Certificates of such Series
having  voting  rights  allocated  to  such  Certificates  ("Voting  Interests")
aggregating  not  less  than  25%  of  the  Voting  Interests  allocated  to all
Certificates for such Series; (ii) any  failure by the Servicer duly to  observe
or  perform in any material respect any  other of its covenants or agreements in
the Pooling and Servicing Agreement which  continues unremedied for 60 days  (or
30  days in the case of a failure to maintain any pool insurance policy required
to be maintained  pursuant to  the Pooling  and Servicing  Agreement) after  the
giving  of written notice of such failure to  the Servicer by the Trustee, or to
the Servicer and  Trustee by the  holders of Certificates  aggregating not  less
than   25%  of  the  Voting  Interests;  (iii)  certain  events  in  insolvency,
readjustment  of  debt,  marshalling  of  assets  and  liabilities  or   similar
proceedings  and  certain  action  by the  Servicer  indicating  its insolvency,
reorganization or inability to  pay its obligations and  (iv) both the  Servicer
and  any subservicer appointed  by it to  become ineligible to  service for both
FNMA and FHLMC (unless remedied within 90 days). (Section 7.01).
 
RIGHTS UPON EVENT OF DEFAULT
 
    So long as  an Event  of Default remains  unremedied under  the Pooling  and
Servicing  Agreement for  a Series,  the Trustee for  such Series  or holders of
Certificates of such Series evidencing not less than 25% of the Voting Interests
in the  Trust  Estate for  such  Series may  terminate  all of  the  rights  and
obligations of the Servicer under the Pooling and Servicing Agreement and in and
to  the  Mortgage Loans  (other than  the  Servicer's right  to recovery  of any
Initial Deposit for such Series, the  aggregate Servicing Fees due prior to  the
date  of termination,  and other expenses  and amounts advanced  pursuant to the
terms of the  Pooling and Servicing  Agreement, which rights  the Servicer  will
retain  under all circumstances), whereupon the  Trustee will succeed to all the
responsibilities, duties and liabilities of  the Servicer under the Pooling  and
Servicing  Agreement and will be entitled  to monthly servicing compensation not
to exceed  the  aggregate  Servicing  Fees together  with  the  other  servicing
compensation  in the form of assumption  fees, late payment charges or otherwise
as provided  in the  Pooling and  Servicing  Agreement. In  the event  that  the
Trustee  is unwilling or unable so to act, it may select, pursuant to the public
bid procedure described in  the applicable Pooling  and Servicing Agreement,  or
petition  a  court of  competent  jurisdiction to  appoint,  a housing  and home
finance institution, bank or mortgage servicing institution with a net worth  of
at least $10,000,000 to act as successor to the Servicer under the provisions of
the  Pooling and Servicing  Agreement relating to the  servicing of the Mortgage
Loans; provided however, that until such  a successor Servicer is appointed  and
has  assumed the responsibilities, duties and  liabilities of the Servicer under
the Pooling and Servicing Agreement, the Trustee shall continue as the successor
to the Servicer as described  above. In the event  such public bid procedure  is
utilized,  the successor servicer would be entitled to servicing compensation in
an amount  equal  to the  aggregate  Servicing  Fees, together  with  the  other
servicing  compensation in the form of  assumption fees, late payment charges or
otherwise, as provided in the Pooling and Servicing Agreement, and the  Servicer
would  be entitled to receive the net profits, if any, realized from the sale of
its servicing rights and obligations under the Pooling and Servicing  Agreement.
(Sections 7.01 and 7.05).
 
    During  the  continuance  of any  Event  of  Default under  the  Pooling and
Servicing Agreement for  a Series,  the Trustee for  such Series  will have  the
right  to  take  action  to  enforce its  rights  and  remedies  and  to protect
 
                                       58
<PAGE>
and enforce the rights  and remedies of the  Certificateholders of such  Series,
and holders of Certificates evidencing not less than 25% of the Voting Interests
for  such  Series  may direct  the  time,  method and  place  of  conducting any
proceeding for any remedy  available to the Trustee  or exercising any trust  or
power  conferred upon the  Trustee. However, the  Trustee will not  be under any
obligation to pursue any such remedy or to exercise any of such trusts or powers
unless such Certificateholders have offered  the Trustee reasonable security  or
indemnity  against the cost,  expenses and liabilities which  may be incurred by
the Trustee thereby. Also, the Trustee may decline to follow any such  direction
if  the Trustee  determines that  the action or  proceeding so  directed may not
lawfully be  taken or  would involve  it in  personal liability  or be  unjustly
prejudicial to the non-assenting Certificateholders. (Sections 7.02 and 7.03).
 
    No  Certificateholder of a Series, solely  by virtue of such holder's status
as a Certificateholder,  will have  any right  under the  Pooling and  Servicing
Agreement  for  such Series  to  institute any  proceeding  with respect  to the
Pooling and Servicing Agreement, unless such holder previously has given to  the
Trustee  for such  Series written  notice of default  and unless  the holders of
Certificates evidencing  not less  than 25%  of the  Voting Interests  for  such
Series  have made written request upon  the Trustee to institute such proceeding
in its own name as Trustee thereunder and have offered to the Trustee reasonable
indemnity and the Trustee for 60 days has neglected or refused to institute  any
such proceeding. (Section 10.03).
 
AMENDMENT
 
    Each  Pooling  and Servicing  Agreement may  be amended  by the  Seller, the
Servicer and the Trustee without the  consent of the Certificateholders, (i)  to
cure any ambiguity, (ii) to correct or supplement any provision therein that may
be  inconsistent with any other provision therein, (iii) to modify, eliminate or
add to any of its  provisions to such extent as  shall be necessary to  maintain
the  qualification of the Trust Estate (or  a segregated pool of assets therein)
as a REMIC at  all times that  any Certificates are outstanding  or to avoid  or
minimize  the risk of the imposition of any  tax on the Trust Estate pursuant to
the Code that  would be  a claim  against the  Trust Estate,  provided that  the
Trustee  has received an  opinion of counsel  to the effect  that such action is
necessary or desirable to  maintain such qualification or  to avoid or  minimize
the  risk  of the  imposition  of any  such  tax and  such  action will  not, as
evidenced by such opinion of counsel,  adversely affect in any material  respect
the  interests of any Certificateholder, (iv) to change the timing and/or nature
of deposits into the Certificate Account, provided that such change will not, as
evidenced by an opinion of counsel, adversely affect in any material respect the
interests of  any Certificateholder  and  that such  change will  not  adversely
affect  the then current rating assigned to  any Certificates, as evidenced by a
letter from  each  Rating Agency  to  such effect,  (v)  to add  to,  modify  or
eliminate  any provisions therein restricting transfers of residual Certificates
to certain  disqualified organizations  described below  under "Certain  Federal
Income   Tax   Consequences--Federal   Income   Tax   Consequences   for   REMIC
Certificates--Taxation of  Residual  Certificates--Tax-Related  Restrictions  on
Transfer  of Residual Certificates,"  or (vi) to make  any other provisions with
respect to  matters  or  questions  arising under  such  Pooling  and  Servicing
Agreement  that are not inconsistent with  the provisions thereof, provided that
such action will not, as evidenced by an opinion of counsel, adversely affect in
any material  respect the  interests of  the Certificateholders  of the  related
Series.  The Pooling and Servicing Agreement may  also be amended by the Seller,
the Servicer and  the Trustee with  the consent of  the holders of  Certificates
evidencing  interests aggregating not less than  66 2/3% of the Voting Interests
evidenced by the Certificates  of each Class or  Subclass affected thereby,  for
the purpose of adding any provisions to or changing in any manner or eliminating
any of the provisions of such Pooling and Servicing Agreement or of modifying in
any manner the rights of the Certificateholders; provided, however, that no such
amendment  may (i) reduce in  any manner the amount of,  or delay the timing of,
any payments received on or with respect to Mortgage Loans that are required  to
be  distributed on any Certificates,  without the consent of  the holder of such
Certificate, (ii) adversely affect in any material respect the interests of  the
holders  of a Class  or Subclass of Certificates  of a Series  in a manner other
than that  set  forth  in (i)  above  without  the consent  of  the  holders  of
Certificates aggregating not less than 66 2/3% of the Voting Interests evidenced
by  such  Class  or  Subclass,  or  (iii)  reduce  the  aforesaid  percentage of
Certificates of any  Class or  Subclass, the holders  of which  are required  to
consent to such amendment, without the
 
                                       59
<PAGE>
consent  of the holders of  all Certificates of such  Class or Subclass affected
then outstanding. Notwithstanding the foregoing, the Trustee will not consent to
any such  amendment if  such amendment  would  subject the  Trust Estate  (or  a
segregated  pool  of  assets therein)  to  tax  or cause  the  Trust  Estate (or
segregated pool of assets therein) to fail to qualify as a REMIC.
 
TERMINATION; PURCHASE OF MORTGAGE LOANS
 
    The obligations created by the Pooling and Servicing Agreement for a  Series
of  Certificates will  terminate on  the Distribution  Date following  the final
payment or other liquidation of the  last Mortgage Loan subject thereto and  the
disposition of all property acquired upon foreclosure of any such Mortgage Loan.
In  no  event, however,  will the  trust  created by  the Pooling  and Servicing
Agreement continue beyond the expiration of 21 years from the death of the  last
survivor  of certain persons named in  such Pooling and Servicing Agreement. For
each Series of Certificates, the Trustee will give written notice of termination
of the Pooling and Servicing Agreement to each Certificateholder, and the  final
distribution   will  be  made  only  upon  surrender  and  cancellation  of  the
Certificates at an office or agency appointed by the Seller and specified in the
notice of termination.
 
    If so  provided  in  the  related Prospectus  Supplement,  the  Pooling  and
Servicing  Agreement  for  each  Series of  Certificates  will  permit,  but not
require, the  person  or persons  specified  in such  Prospectus  Supplement  to
purchase  from the Trust Estate for such  Series all remaining Mortgage Loans at
the time subject to the Pooling and Servicing Agreement at a price specified  in
such  Prospectus  Supplement. In  the  event that  the  Servicer has  caused the
related Trust Estate (or a segregated pool of assets therein) to be treated as a
REMIC, any  such  purchase  will  be effected  only  pursuant  to  a  "qualified
liquidation"  as defined  in Code Section  860F(a)(4)(A) and the  receipt by the
Trustee of an opinion of counsel that  such purchase will not (i) result in  the
imposition  of a tax on "prohibited transactions" under Code Section 860F(a)(1),
(ii) otherwise subject the REMIC to tax,  or (iii) cause the Trust Estate (or  a
segregated  pool of assets) to fail to qualify  as a REMIC. The exercise of such
right will effect early retirement of  the Certificates of that Series, but  the
right so to purchase may be exercised only after the aggregate principal balance
of  the Mortgage Loans  for such Series at  the time of purchase  is less than a
specified percentage of the aggregate principal balance at the Cut-Off Date  for
the Series, or after the date set forth in the related Prospectus Supplement.
 
THE TRUSTEE
 
    The  Trustee under each Pooling and Servicing Agreement (the "Trustee") will
be named in the applicable Prospectus  Supplement. The commercial bank or  trust
company serving as Trustee may have normal banking relationships with the Seller
or any of its affiliates.
 
    The  Trustee may  resign at any  time, in  which event the  Servicer will be
obligated to  appoint a  successor trustee.  The Servicer  may also  remove  the
Trustee if the Trustee ceases to be eligible to act as Trustee under the Pooling
and  Servicing Agreement, if the Trustee becomes insolvent or in order to change
the situs of the Trust Estate for state tax reasons. Upon becoming aware of such
circumstances, the  Servicer  will  become  obligated  to  appoint  a  successor
trustee.  The  Trustee  may  also be  removed  at  any time  by  the  holders of
Certificates evidencing not less than 51%  of the Voting Interests in the  Trust
Estate,  except that, any Certificate registered in  the name of the Seller, the
Servicer or any affiliate thereof will not be taken into account in  determining
whether  the requisite Voting  Interest in the Trust  Estate necessary to effect
any such removal has been obtained. Any resignation and removal of the  Trustee,
and  the appointment  of a  successor trustee,  will not  become effective until
acceptance of such appointment  by the successor trustee.  The Trustee, and  any
successor  trustee,  will  have  a  combined capital  and  surplus  of  at least
$50,000,000, or  will  be a  member  of a  bank  holding system,  the  aggregate
combined capital and surplus of which is at least $50,000,000, provided that the
Trustee's and any such successor trustee's separate capital and surplus shall at
all  times be at  least the amount  specified in Section  310(a)(2) of the Trust
Indenture Act of  1939, and  will be subject  to supervision  or examination  by
federal or state authorities.
 
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                  CERTAIN LEGAL ASPECTS OF THE MORTGAGE LOANS
 
    The  following  discussion contains  summaries of  certain legal  aspects of
mortgage loans  which are  general in  nature. Because  such legal  aspects  are
governed  by applicable  state law  (which laws  may differ  substantially), the
summaries do not purport to be complete or to reflect the laws of any particular
state, nor to encompass  the laws of  all states in which  the security for  the
Mortgage  Loans is  situated. The summaries  are qualified in  their entirety by
reference to the applicable federal and state laws governing the Mortgage Loans.
 
GENERAL
 
    The Mortgage Loans will, in general, be secured by either first mortgages or
first deeds of  trust, depending upon  the prevailing practice  in the state  in
which  the underlying property  is located. A  mortgage creates a  lien upon the
real property described in  the mortgage. There are  two parties to a  mortgage:
the  mortgagor, who is the borrower; and the  mortgagee, who is the lender. In a
mortgage state instrument,  the mortgagor delivers  to the mortgagee  a note  or
bond  evidencing the loan and the mortgage.  Although a deed of trust is similar
to a mortgage, a deed of trust has three parties: a borrower called the  trustor
(similar  to  a  mortgagor),  a  lender called  the  beneficiary  (similar  to a
mortgagee), and a third-party grantee called the trustee. Under a deed of trust,
the borrower grants the property, irrevocably until the debt is paid, in  trust,
generally  with a power of  sale, to the trustee to  secure payment of the loan.
The trustee's authority  under a  deed of  trust and  the mortgagee's  authority
under  a mortgage are governed by the express provisions of the deed of trust or
mortgage, applicable law, and, in some cases, with respect to the deed of trust,
the directions of the beneficiary.
 
FORECLOSURE
 
    Foreclosure of  a mortgage  is generally  accomplished by  judicial  action.
Generally,  the action is initiated  by the service of  legal pleadings upon all
parties having an interest of record in the real property. Delays in  completion
of  the  foreclosure  occasionally  may  result  from  difficulties  in locating
necessary parties  defendant.  When  the mortgagee's  right  of  foreclosure  is
contested,  the  legal  proceedings  necessary  to  resolve  the  issue  can  be
time-consuming. After the completion of  a judicial foreclosure proceeding,  the
court  may  issue a  judgment of  foreclosure  and appoint  a receiver  or other
officer to conduct the sale of the property. In some states, mortgages may  also
be  foreclosed by  advertisement, pursuant  to a power  of sale  provided in the
mortgage. Foreclosure of a mortgage  by advertisement is essentially similar  to
foreclosure of a deed of trust by non-judicial power of sale.
 
    Foreclosure  of a deed of trust  is generally accomplished by a non-judicial
trustee's sale under a specific provision  in the deed of trust that  authorizes
the  trustee to  sell the  property to  a third  party upon  any default  by the
borrower under the terms of the note  or deed of trust. In certain states,  such
foreclosure  also may be accomplished by  judicial action in the manner provided
for foreclosure of mortgages. In some  states, the trustee must record a  notice
of  default and send  a copy to the  borrower-trustor and to  any person who has
recorded a request  for a copy  of a notice  of default and  notice of sale.  In
addition, the trustee must provide notice in some states to any other individual
having  an  interest  of  record  in the  real  property,  including  any junior
lienholders. If the deed of trust  is not reinstated within any applicable  cure
period,  a notice of sale must be posted  in a public place and, in most states,
published for a specified period of time in one or more newspapers. In addition,
some state laws  require that  a copy of  the notice  of sale be  posted on  the
property and sent to all parties having an interest of record in the property.
 
    In  some states, the borrower-trustor has the right to reinstate the loan at
any time following default until shortly before the trustee's sale. In  general,
the  borrower,  or any  other person  having  a junior  encumbrance on  the real
estate, may,  during a  reinstatement period,  cure the  default by  paying  the
entire  amount in arrears plus the costs  and expenses incurred in enforcing the
obligation. Certain state laws  control the amount  of foreclosure expenses  and
costs, including attorneys' fees, which may be recovered by a lender.
 
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<PAGE>
    In  case of foreclosure under either a mortgage or a deed of trust, the sale
by the receiver  or other designated  officer, or  by the trustee,  is a  public
sale.  However, because of  the difficulty a  potential buyer at  the sale would
have in determining the exact status of title and because the physical condition
of the property may have deteriorated during the foreclosure proceedings, it  is
uncommon  for a third  party to purchase  the property at  the foreclosure sale.
Rather, it is common for the lender to purchase the property from the trustee or
receiver for an amount equal to the unpaid principal amount of the note, accrued
and unpaid interest and the expenses of foreclosure. Thereafter, subject to  the
right  of  the  borrower in  some  states  to remain  in  possession  during the
redemption period, the lender  will assume the  burdens of ownership,  including
obtaining  hazard insurance and  making such repairs  at its own  expense as are
necessary to render  the property suitable  for sale. The  lender commonly  will
obtain  the services of a real estate broker  and pay the broker a commission in
connection with the sale of the property. Depending upon market conditions,  the
ultimate  proceeds  of the  sale  of the  property  may not  equal  the lender's
investment in the property. Any loss may  be reduced by the receipt of  mortgage
insurance  proceeds, if any, or by judicial  action against the borrower for the
deficiency,  if  such  action  is  permitted  by  law.  See   "--Anti-Deficiency
Legislation and Other Limitations on Lenders" below.
 
FORECLOSURE ON SHARES OF COOPERATIVES
 
    The  cooperative shares owned  by the tenant-stockholder  and pledged to the
lender are, in  almost all  cases, subject to  restrictions on  transfer as  set
forth  in the cooperative's Certificate of Incorporation and By-laws, as well as
in the proprietary  lease or occupancy  agreement, and may  be cancelled by  the
cooperative  for  failure  by  the  tenant-stockholder  to  pay  rent  or  other
obligations or  charges owed  by such  tenant-stockholder, including  mechanics'
liens  against  the  cooperative  apartment building  incurred  by  such tenant-
stockholder. The proprietary lease or occupancy agreement generally permits  the
cooperative  to terminate such lease or agreement  in the event an obligor fails
to  make  payments  or  defaults  in  the  performance  of  covenants   required
thereunder.  Typically, the lender and the  cooperative enter into a recognition
agreement which establishes the  rights and obligations of  both parties in  the
event  of  a default  by  the tenant-stockholder  on  its obligations  under the
proprietary lease or  occupancy agreement. A  default by the  tenant-stockholder
under  the proprietary  lease or occupancy  agreement will  usually constitute a
default  under   the   security   agreement   between   the   lender   and   the
tenant-stockholder.
 
    The  recognition agreement  generally provides that,  in the  event that the
tenant-stockholder has  defaulted  under  the  proprietary  lease  or  occupancy
agreement,  the  cooperative will  take  no action  to  terminate such  lease or
agreement until the lender has been provided an opportunity to cure the default.
The recognition agreement typically  provides that if  the proprietary lease  or
occupancy  agreement is terminated, the  cooperative will recognize the lender's
lien against  proceeds  from  a  sale of  the  cooperative  apartment,  subject,
however,  to the cooperative's right to sums due under such proprietary lease or
occupancy  agreement.  The  total  amount   owed  to  the  cooperative  by   the
tenant-stockholder,  which  the lender  generally cannot  restrict and  does not
monitor, could  reduce  the  value  of  the  collateral  below  the  outstanding
principal  balance  of  the cooperative  loan  and accrued  and  unpaid interest
thereon.
 
    Recognition agreements also provide that in the event of a foreclosure on  a
cooperative  loan,  the  lender  must  obtain the  approval  or  consent  of the
cooperative as  required  by  the  proprietary  lease  before  transferring  the
cooperative  shares or assigning the proprietary lease. Generally, the lender is
not limited  by the  agreement  in any  rights it  may  have to  dispossess  the
tenant-stockholders.
 
    Foreclosure  on  the  cooperative  shares  is  accomplished  by  a  sale  in
accordance with the provisions of Article 9 of the Uniform Commercial Code  (the
"UCC") and the security agreement relating to those shares. Article 9 of the UCC
requires that a sale be conducted in a "commercially reasonable" manner. Whether
a foreclosure sale has been conducted in a "commercially reasonable" manner will
depend  on the facts  in each case. In  determining commercial reasonableness, a
court will look to  the notice given  the debtor and  the method, manner,  time,
place and terms of the foreclosure. Generally, a sale conducted according to the
usual practice of banks selling similar collateral will be considered reasonably
conducted.
 
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<PAGE>
    Article  9 of the UCC provides that the proceeds of the sale will be applied
first to  pay the  costs  and expenses  of  the sale  and  then to  satisfy  the
indebtedness   secured  by  the  lender's  security  interest.  The  recognition
agreement, however, generally provides that the lender's right to  reimbursement
is subject to the right of the cooperative corporation to receive sums due under
the  proprietary lease or occupancy agreement.  If there are proceeds remaining,
the lender must account to  the tenant-stockholder for the surplus.  Conversely,
if  a  portion of  the indebtedness  remains  unpaid, the  tenant-stockholder is
generally responsible for the  deficiency. See "Anti-Deficiency Legislation  and
Other Limitations on Lenders" below.
 
RIGHTS OF REDEMPTION
 
    In some states, after sale pursuant to a deed of trust and/or foreclosure of
a  mortgage,  the borrower  and certain  foreclosed junior  lienors are  given a
statutory period in which to redeem  the property from the foreclosure sale.  In
most states where the right of redemption is available, statutory redemption may
occur  upon  payment of  the foreclosure  purchase  price, accrued  interest and
taxes. In some states, the right to redeem is an equitable right. The effect  of
a  right  of redemption  is  to delay  the  ability of  the  lender to  sell the
foreclosed property. The  exercise of  a right  of redemption  would defeat  the
title  of any  purchaser at  a foreclosure  sale, or  of any  purchaser from the
lender subsequent  to  judicial foreclosure  or  sale  under a  deed  of  trust.
Consequently,  the  practical effect  of the  redemption right  is to  force the
lender to maintain  the property  and pay the  expenses of  ownership until  the
redemption period has run.
 
ANTI-DEFICIENCY LEGISLATION AND OTHER LIMITATIONS ON LENDERS
 
    Certain  states have imposed statutory  restrictions that limit the remedies
of a beneficiary under a deed of trust or a mortgagee under a mortgage. In  some
states,  statutes limit the  right of the  beneficiary or mortgagee  to obtain a
deficiency judgment against the borrower  following foreclosure or sale under  a
deed  of trust. A deficiency judgment is  a personal judgment against the former
borrower equal in most  cases to the  difference between the  amount due to  the
lender and the net amount realized upon the foreclosure sale.
 
    Some  state statutes may require the beneficiary or mortgagee to exhaust the
security afforded under a deed of trust or mortgage by foreclosure in an attempt
to satisfy the full debt before bringing a personal action against the borrower.
In certain other states, the lender has the option of bringing a personal action
against the  borrower  on  the  debt without  first  exhausting  such  security;
however,  in  some  of these  states,  the  lender, following  judgment  on such
personal action, may be  deemed to have  elected a remedy  and may be  precluded
from  exercising  remedies  with  respect  to  the  security.  Consequently, the
practical effect of the election  requirement, when applicable, is that  lenders
will  usually proceed first against the security rather than bringing a personal
action against the borrower.
 
    Other statutory provisions  may limit  any deficiency  judgment against  the
former  borrower following a  foreclosure sale to the  excess of the outstanding
debt over the fair market  value of the property at  the time of such sale.  The
purpose  of  these statutes  is to  prevent  a beneficiary  or a  mortgagee from
obtaining a large deficiency judgment against the former borrower as a result of
low or no bids at the foreclosure sale.
 
    In some states, exceptions to the anti-deficiency statutes are provided  for
in  certain instances where the value of the lender's security has been impaired
by acts or omissions of the borrower, for example, in the event of waste of  the
property.
 
    Generally,  Article 9 of  the UCC governs  foreclosure on cooperative shares
and the related proprietary lease or occupancy agreement and foreclosure on  the
beneficial  interest in a land trust. Some courts have interpreted Section 9-504
of the UCC to prohibit a  deficiency award unless the creditor establishes  that
the  sale of the  collateral (which, in the  case of a  Mortgage Loan secured by
shares of a cooperative, would be such shares and the related proprietary  lease
or occupancy agreement) was conducted in a commercially reasonable manner.
 
    The  Servicer is not  required under the Pooling  and Servicing Agreement to
pursue deficiency judgments on the Mortgage Loans even if permitted by law.
 
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<PAGE>
    In addition  to  anti-deficiency  and related  legislation,  numerous  other
federal  and state statutory  provisions, including the  federal bankruptcy laws
and state laws  affording relief to  debtors, may interfere  with or affect  the
ability  of a secured mortgage lender to realize upon its security. For example,
in a  Chapter 13  proceeding under  the federal  Bankruptcy Code,  when a  court
determines  that the value of  a home is less than  the principal balance of the
loan, the court may prevent a lender from foreclosing on the home, and, as  part
of the rehabilitation plan, reduce the amount of the secured indebtedness to the
value of the home as it exists at the time of the proceeding, leaving the lender
as  a general unsecured creditor  for the difference between  that value and the
amount of outstanding indebtedness.  A bankruptcy court may  grant the debtor  a
reasonable  time to cure a  payment default, and in the  case of a mortgage loan
not secured by  the debtor's principal  residence, also may  reduce the  monthly
payments  due under such mortgage loan, change  the rate of interest, reduce the
principal balance of the loan to the then-current appraised value of the related
Mortgaged Property and alter the mortgage loan repayment schedule. Certain court
decisions have applied such relief to  claims secured by the debtor's  principal
residence.  If  a  court  relieves  a  borrower's  obligation  to  repay amounts
otherwise due on a Mortgage Loan, the  Servicer will not be required to  advance
such   amounts,  and  any  loss  in  respect   thereof  will  be  borne  by  the
Certificateholders.
 
    The Internal Revenue Code of 1986, as amended, provides priority to  certain
tax  liens over  the lien of  the mortgage  or deed of  trust. The  laws of some
states provide priority to certain  tax liens over the  lien of the mortgage  or
deed  of trust. Numerous federal and  some state consumer protection laws impose
substantive  requirements  upon   mortgage  lenders  in   connection  with   the
origination, servicing and enforcement of mortgage loans. These laws include the
federal  Truth  in Lending  Act, Real  Estate  Settlement Procedures  Act, Equal
Credit Opportunity Act, Fair Credit Billing Act, Fair Credit Reporting Act,  and
related  statutes  and regulations.  These federal  laws  and state  laws impose
specific statutory liabilities  upon lenders who  originate or service  mortgage
loans and who fail to comply with the provisions of the law. In some cases, this
liability may affect assignees of the mortgage loans.
 
SOLDIERS' AND SAILORS' CIVIL RELIEF ACT AND SIMILAR LAWS
 
    Generally, under the terms of the Soldiers' and Sailors' Civil Relief Act of
1940,  as amended  (the "Relief  Act"), a  borrower who  enters military service
after the origination of such borrower's Mortgage Loan (including a borrower who
is a member of  the National Guard or  is in reserve status  at the time of  the
origination  of the Mortgage Loan and is later called to active duty) may not be
charged interest above an annual rate of 6% during the period of such borrower's
active duty status,  unless a  court orders  otherwise upon  application of  the
lender.  It  is  possible  that  such  action  could  have  an  effect,  for  an
indeterminate period of  time, on the  ability of the  Servicer to collect  full
amounts  of interest  on certain of  the Mortgage  Loans in a  Trust Estate. Any
shortfall in interest collections resulting  from the application of the  Relief
Act  could result in  losses to the  holders of the  Certificates of the related
Series. Further,  the Relief  Act  imposes limitations  which would  impair  the
ability  of the Servicer  to foreclose on  an affected Mortgage  Loan during the
borrower's period of active duty status. Thus, in the event that such a Mortgage
Loan goes  into  default, there  may  be delays  and  losses occasioned  by  the
inability  to realize upon  the Mortgaged Property in  a timely fashion. Certain
states have enacted comparable  legislation which may  interfere with or  affect
the ability of the Servicer to timely collect payments of principal and interest
on,  or to  foreclose on,  Mortgage Loans  of borrowers  in such  states who are
active or reserve members of the armed services.
 
ENVIRONMENTAL CONSIDERATIONS
 
    Under the  federal  Comprehensive Environmental  Response  Compensation  and
Liability  Act, as  amended, and  under state law  in certain  states, a secured
party which takes a deed in lieu of foreclosure, purchases a mortgaged  property
at  a foreclosure  sale or  operates a mortgaged  property may  become liable in
certain circumstances  for the  costs of  remedial action  ("Cleanup Costs")  if
hazardous  wastes or hazardous  substances have been released  or disposed of on
the property. Such Cleanup  Costs may be substantial.  It is possible that  such
Cleanup  Costs  could become  a liability  of  the Trust  Estate and  reduce the
amounts  otherwise  distributable  to  the  Certificateholders  if  a  Mortgaged
Property  securing a Mortgage  Loan became the  property of the  Trust Estate in
certain   circumstances   and   if    such   Cleanup   Costs   were    incurred.
 
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<PAGE>
Moreover, certain states by statute impose a lien for any Cleanup Costs incurred
by  such state  on the  property that is  the subject  of such  Cleanup Costs (a
"Superlien"). All subsequent  liens on  such property are  subordinated to  such
Superlien  and, in  some states, even  prior recorded liens  are subordinated to
such Superliens. In the latter states, the security interest of the Trustee in a
property that is subject to such a Superlien could be adversely affected.
 
    Traditionally, residential mortgage lenders have not taken steps to evaluate
whether hazardous wastes or hazardous substances are present with respect to any
mortgaged property prior  to the origination  of the mortgage  loan or prior  to
foreclosure or accepting a deed-in-lieu of foreclosure. Accordingly, neither the
Seller  nor  PHMC has  made such  evaluations  prior to  the origination  of the
Mortgage Loans,  nor  does either  require  that  such evaluations  be  made  by
originators  who have sold  the Mortgage Loans  to PHMC. Neither  the Seller nor
PHMC is  required to  undertake any  such evaluations  prior to  foreclosure  or
accepting  a deed-in-lieu of  foreclosure. Neither the  Seller, the Servicer nor
PHMC makes  any representations  or  warranties or  assumes any  liability  with
respect  to the absence or effect of hazardous wastes or hazardous substances on
any Mortgaged Property or any casualty resulting from the presence or effect  of
hazardous  wastes  or  hazardous substances.  See  "The  Trust Estates--Mortgage
Loans--Representations  and   Warranties"  and   "Servicing  of   the   Mortgage
Loans--Enforcement  of Due-on-Sale Clauses;  Realization Upon Defaulted Mortgage
Loans" above.
 
"DUE-ON-SALE" CLAUSES
 
    The forms  of note,  mortgage and  deed of  trust relating  to  conventional
Mortgage Loans may contain a "due-on-sale" clause permitting acceleration of the
maturity  of a loan if  the borrower transfers its  interest in the property. In
recent  years,  court  decisions  and  legislative  actions  placed  substantial
restrictions  on the right  of lenders to  enforce such clauses  in many states.
However, effective  October  15,  1982, Congress  enacted  the  Garn-St  Germain
Depository  Institutions Act of 1982 (the  "Garn Act") which purports to preempt
state laws which prohibit the enforcement of "due-on-sale" clauses by  providing
among  other matters, that  "due-on-sale" clauses in  certain loans (which loans
may include the Mortgage Loans)  made after the effective  date of the Garn  Act
are enforceable, within certain limitations as set forth in the Garn Act and the
regulations  promulgated thereunder. "Due-on-sale" clauses contained in mortgage
loans originated by  federal savings  and loan associations  or federal  savings
banks  are fully  enforceable pursuant  to regulations  of the  Office of Thrift
Supervision ("OTS"), as successor to the Federal Home Loan Bank Board ("FHLBB"),
which preempt  state  law  restrictions  on the  enforcement  of  such  clauses.
Similarly,  "due-on-sale" clauses in  mortgage loans made  by national banks and
federal  credit  unions  are  now  fully  enforceable  pursuant  to   preemptive
regulations  of the  Comptroller of the  Currency and the  National Credit Union
Administration, respectively.
 
    The  Garn  Act  created  a  limited  exemption  from  its  general  rule  of
enforceability  for  "due-on-sale" clauses  in  certain mortgage  loans ("Window
Period Loans") which were originated by non-federal lenders and made or  assumed
in  certain states ("Window Period States")  during the period, prior to October
15, 1982,  in  which that  state  prohibited the  enforcement  of  "due-on-sale"
clauses  by constitutional provision,  statute or statewide  court decision (the
"Window Period"). Though neither the Garn  Act nor the OTS regulations  actually
names  the Window Period States, the  Federal Home Loan Mortgage Corporation has
taken the  position,  in  prescribing mortgage  loan  servicing  standards  with
respect  to mortgage loans which it has purchased, that the Window Period States
were:  Arizona,  Arkansas,  California,   Colorado,  Georgia,  Iowa,   Michigan,
Minnesota,  New Mexico, Utah and Washington. Under the Garn Act, unless a Window
Period State took action by October 15,  1985, the end of the Window Period,  to
further  regulate enforcement of  "due-on-sale" clauses in  Window Period Loans,
"due-on-sale" clauses would become enforceable even in Window Period Loans. Five
of the Window Period States (Arizona, Minnesota, Michigan, New Mexico and  Utah)
have taken actions which restrict the enforceability of "due-on-sale" clauses in
Window  Period Loans beyond October 15, 1985.  The actions taken vary among such
states.
 
    By virtue  of the  Garn Act,  the  Servicer may  generally be  permitted  to
accelerate  any conventional Mortgage Loan which contains a "due-on-sale" clause
upon   transfer    of    an    interest   in    the    property    subject    to
 
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<PAGE>
the  mortgage or deed of  trust. With respect to any  Mortgage Loan secured by a
residence occupied or to be occupied by the borrower, this ability to accelerate
will not apply to certain  types of transfers, including  (i) the granting of  a
leasehold  interest which has a  term of three years or  less and which does not
contain an option to purchase, (ii) a transfer to a relative resulting from  the
death  of a borrower, or a transfer where the spouse or children become an owner
of the property in each case  where the transferee(s) will occupy the  property,
(iii)  a  transfer resulting  from a  decree of  dissolution of  marriage, legal
separation agreement  or from  an incidental  property settlement  agreement  by
which  the spouse becomes an owner of the  property, (iv) the creation of a lien
or other encumbrance subordinate to the lender's security instrument which  does
not  relate to a transfer of rights  of occupancy in the property (provided that
such lien or encumbrance is not created pursuant to a contract for deed), (v)  a
transfer  by devise, descent or operation of law  on the death of a joint tenant
or tenant by the entirety, and (vi) other transfers as set forth in the Garn Act
and the regulations thereunder. The extent of the effect of the Garn Act on  the
average  lives and delinquency rates of  the Mortgage Loans cannot be predicted.
See "Prepayment and Yield Considerations."
 
APPLICABILITY OF USURY LAWS
 
    Title V of the Depository Institutions Deregulation and Monetary Control Act
of  1980,  enacted  in  March  1980  ("Title  V"),  provides  that  state  usury
limitations shall not apply to certain types of residential first mortgage loans
originated  by certain lenders after March 31, 1980. The OTS as successor to the
FHLBB  is   authorized  to   issue  rules   and  regulations   and  to   publish
interpretations  governing implementation of Title V. The statute authorized any
state to reimpose interest rate limits by  adopting before April 1, 1983, a  law
or  constitutional provision which expressly  rejects application of the federal
law. Fifteen  states have  adopted laws  reimposing or  reserving the  right  to
reimpose  interest  rate limits.  In  addition, even  where  Title V  is  not so
rejected, any state is  authorized to adopt a  provision limiting certain  other
loan charges.
 
    The Seller will represent and warrant in the Pooling and Servicing Agreement
to the Trustee for the benefit of Certificateholders that all Mortgage Loans are
originated  in full compliance with applicable state laws, including usury laws.
See "The Pooling and  Servicing Agreement--Assignment of  Mortgage Loans to  the
Trustee."
 
ENFORCEABILITY OF CERTAIN PROVISIONS
 
    Standard  forms  of  note,  mortgage and  deed  of  trust  generally contain
provisions obligating the  borrower to  pay a late  charge if  payments are  not
timely  made  and  in some  circumstances  may  provide for  prepayment  fees or
penalties if the obligation is paid prior to maturity. In certain states,  there
are  or may be specific limitations upon late charges which a lender may collect
from a borrower for delinquent payments.  Certain states also limit the  amounts
that a lender may collect from a borrower as an additional charge if the loan is
prepaid.  Under the Pooling and Servicing Agreement, late charges and prepayment
fees (to the extent  permitted by law  and not waived by  the Servicer) will  be
retained by the Servicer as additional servicing compensation.
 
    Courts  have imposed  general equitable  principles upon  foreclosure. These
equitable principles are  generally designed  to relieve the  borrower from  the
legal effect of defaults under the loan documents. Examples of judicial remedies
that  may be fashioned  include judicial requirements  that the lender undertake
affirmative and expensive  actions to  determine the causes  for the  borrower's
default and the likelihood that the borrower will be able to reinstate the loan.
In  some cases, courts have substituted their judgment for the lender's judgment
and have required  lenders to  reinstate loans  or recast  payment schedules  to
accommodate  borrowers who are suffering from temporary financial disability. In
some cases, courts have limited the right of lenders to foreclose if the default
under the mortgage instrument is not  monetary, such as the borrower failing  to
adequately  maintain the property or the borrower executing a second mortgage or
deed of trust  affecting the  property. In other  cases, some  courts have  been
faced  with  the  issue  whether  federal  or  state  constitutional  provisions
reflecting due process concerns for adequate notice require that borrowers under
the deeds of  trust receive  notices in addition  to the  statutorily-prescribed
minimum requirements. For
 
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the most part, these cases have upheld the notice provisions as being reasonable
or  have found  that the  sale by  a trustee under  a deed  of trust  or under a
mortgage having a  power of  sale does not  involve sufficient  state action  to
afford constitutional protections to the borrower.
 
                    CERTAIN FEDERAL INCOME TAX CONSEQUENCES
 
    The  following is a  general discussion of  the anticipated material federal
income  tax  consequences  of  the  purchase,  ownership,  and  disposition   of
Certificates,  which may consist of REMIC Certificates, Standard Certificates or
Stripped Certificates, as described below. The discussion below does not purport
to address  all  federal income  tax  consequences  that may  be  applicable  to
particular  categories of  investors, some  of which  may be  subject to special
rules. The authorities on which this  discussion is based are subject to  change
or  differing interpretations, and any such change or interpretation could apply
retroactively. This discussion reflects the enactment  of the Tax Reform Act  of
1986  (the "1986 Act") and  the Technical and Miscellaneous  Revenue Act of 1988
("TAMRA"), as well  as proposed regulations  (the "Proposed REMIC  Regulations")
promulgated  by  the U.S.  Department  of the  Treasury  on September  27, 1991.
Investors should be  aware that the  Proposed REMIC Regulations  are subject  to
change  and  are  not binding  authority  until  adopted as  final  or temporary
regulations. However, to the extent  adopted as currently drafted, the  Proposed
REMIC  Regulations may apply to the  REMIC Certificates retroactively as binding
authority. Investors should consult  their own tax  advisors in determining  the
federal,  state, local, and any other tax  consequences to them of the purchase,
ownership, and disposition of Certificates, particularly with respect to federal
income tax  changes effected  by the  1986  Act, TAMRA  and the  Proposed  REMIC
Regulations.
 
    For  purposes of this discussion, where the applicable Prospectus Supplement
provides for a  Fixed Retained Yield  with respect  to the Mortgage  Loans of  a
Series of Certificates, references to the Mortgage Loans will be deemed to refer
to  that portion of the  Mortgage Loans held by the  Trust Estate which does not
include the Fixed Retained Yield.
 
             FEDERAL INCOME TAX CONSEQUENCES FOR REMIC CERTIFICATES
 
GENERAL
 
    With respect to a particular Series of Certificates, an election may be made
to treat the Trust Estate or one  or more segregated pools of assets therein  as
one  or more REMICs within the meaning of Code Section 860D. A Trust Estate or a
portion or portions thereof as to which one or more REMIC elections will be made
will be  referred  to  as a  "REMIC  Pool."  For purposes  of  this  discussion,
Certificates of a Series as to which one or more REMIC elections are made, which
will  include all Multi-Class Certificates and may include Standard Certificates
or Stripped Certificates or  both, are referred to  as "REMIC Certificates"  and
will  consist of one or more Classes  of "Regular Certificates" and one Class of
"Residual Certificates" in the case of each REMIC Pool. Qualification as a REMIC
requires ongoing compliance with certain conditions. With respect to each Series
of REMIC Certificates, Cadwalader, Wickersham & Taft, counsel to the Seller, has
advised the Seller that  in the firm's  opinion, assuming (i)  the making of  an
appropriate  election, (ii) compliance with the Pooling and Servicing Agreement,
and (iii) compliance with  any changes in the  law, including any amendments  to
the  Code or  applicable Treasury regulations  thereunder, each  REMIC Pool will
qualify as a REMIC. In such case, the Regular Certificates will be considered to
be "regular  interests" in  the REMIC  Pool and  generally will  be treated  for
federal  income tax purposes as if  they were newly originated debt instruments,
and the Residual Certificates will be  considered to be "residual interests"  in
the  REMIC Pool. The Prospectus Supplement  for each Series of Certificates will
indicate whether one or more REMIC  elections with respect to the related  Trust
Estate will be made, in which event references to "REMIC" or "REMIC Pool" herein
shall be deemed to refer to each such REMIC Pool.
 
STATUS OF REMIC CERTIFICATES
 
    REMIC  Certificates held by a mutual savings bank or a domestic building and
loan association will  constitute "qualifying  real property  loans" within  the
meaning of Code Section 593(d)(1) in the same
 
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proportion  that  the  assets of  the  REMIC  Pool would  be  so  treated. REMIC
Certificates held by a domestic building and loan association will constitute "a
regular or residual  interest in  a REMIC" within  the meaning  of Code  Section
7701(a)(19)(C)(xi)  in the  same proportion  that the  assets of  the REMIC Pool
would be treated as "loans...secured by an interest in real property" within the
meaning of Code Section 7701(a)(19)(C)(v) or  as other assets described in  Code
Section  7701(a)(19)(C).  REMIC Certificates  held by  a real  estate investment
trust will constitute "real  estate assets" within the  meaning of Code  Section
856(c)(5)(A),  and  interest  on  the  REMIC  Certificates  will  be  considered
"interest on obligations secured by mortgages  on real property or on  interests
in  real property" within the  meaning of Code Section  856(c)(3)(B) in the same
proportion that, for both  purposes, the assets  of the REMIC  Pool would be  so
treated. If at all times 95% or more of the assets of the REMIC Pool qualify for
each  of the foregoing  treatments, the REMIC Certificates  will qualify for the
corresponding status in their entirety.  The Proposed REMIC Regulations  provide
that,  for purposes  of Code  Sections 593(d)(1)  and 856(c)(5)(A),  payments of
principal and  interest  on  the  Mortgage Loans  that  are  reinvested  pending
distribution  to holders of REMIC Certificates qualify for such treatment. Where
two REMIC Pools are  a part of a  tiered structure they will  be treated as  one
REMIC  for purposes of  the tests described above  respecting asset ownership of
more or less than 95%. In addition, if the assets of the REMIC include  Buy-Down
Loans,   it  is  possible  that  the  percentage  of  such  assets  constituting
"qualifying real  property loans"  or "loans...secured  by an  interest in  real
property"  for  purposes  of  Code  Sections  593(d)(1)  and  7701(a)(19)(C)(v),
respectively, may  be  required to  be  reduced by  the  amount of  the  related
Buy-Down  Funds. REMIC Certificates held by  a regulated investment company will
not constitute  "Government  securities"  within the  meaning  of  Code  Section
851(b)(4)(A)(i).  REMIC Certificates held by certain financial institutions will
constitute an  "evidence of  indebtedness" within  the meaning  of Code  Section
582(c)(1).
 
QUALIFICATION AS A REMIC
 
    In  order for the  REMIC Pool to qualify  as a REMIC,  there must be ongoing
compliance on the part of the REMIC Pool with the requirements set forth in  the
Code.  The REMIC Pool  must fulfill an  asset test, which  requires that no more
than a DE MINIMIS portion of  the assets of the REMIC  Pool, as of the close  of
the  third calendar month beginning after  the "Startup Day" (which for purposes
of this discussion is the date of issuance of the REMIC Certificates) and at all
times thereafter, may  consist of  assets other than  "qualified mortgages"  and
"permitted  investments." The Proposed  REMIC Regulations provide  a safe harbor
pursuant to which the  DE MINIMIS requirement  will be met if  at all times  the
aggregate  adjusted basis  of the  nonqualified assets  is less  than 1%  of the
aggregate adjusted basis of all the REMIC Pool's assets. An entity that fails to
meet the safe harbor may nevertheless demonstrate  that it holds no more than  a
DE MINIMIS amount of nonqualified assets.
 
    A  qualified mortgage  is any obligation  that is principally  secured by an
interest in real property and  that is either transferred  to the REMIC Pool  on
the  Startup Day or is  purchased by the REMIC  Pool within a three-month period
thereafter pursuant to  a fixed  price contract in  effect on  the Startup  Day.
Qualified  mortgages include whole  mortgage loans, such  as the Mortgage Loans,
and, generally,  certificates of  beneficial interest  in a  grantor trust  that
holds  mortgage  loans  and  regular interests  in  another  REMIC.  A qualified
mortgage includes a qualified replacement  mortgage, which is any property  that
would  have been treated as  a qualified mortgage if  it were transferred to the
REMIC Pool on the Startup  Day and that is received  either (i) in exchange  for
any  qualified  mortgage  within  a three-month  period  thereafter  or  (ii) in
exchange for a  "defective obligation"  within a two-year  period thereafter.  A
"defective obligation" includes (i) a mortgage in default or as to which default
is   reasonably  foreseeable,   (ii)  a  mortgage   as  to   which  a  customary
representation or warranty made at  the time of transfer  to the REMIC Pool  has
been breached, (iii) a mortgage that was fraudulently procured by the mortgagor,
and  (iv) a mortgage that  was not in fact  principally secured by real property
(but only  if such  mortgage is  disposed of  within 90  days of  discovery).  A
Mortgage  Loan that is "defective" as described  in clause (iv) that is not sold
or, if  within two  years  of the  Startup Day,  exchanged,  within 90  days  of
discovery, ceases to be a qualified mortgage after such 90-day period.
 
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<PAGE>
    Permitted  investments  include  cash  flow  investments,  qualified reserve
assets, and foreclosure  property. A cash  flow investment is  an investment  of
amounts  received  on or  with respect  to qualified  mortgages for  a temporary
period, not  exceeding  13 months,  until  the next  scheduled  distribution  to
holders  of interests in the REMIC Pool,  and such investment must earn a return
in the nature of interest. A qualified reserve asset is any intangible  property
held  for investment that is part  of any reasonably required reserve maintained
by the REMIC Pool to  provide for payments of expenses  of the REMIC Pool or  to
provide  additional  security  for  payments  due  on  the  regular  or residual
interests that otherwise  may be delayed  or defaulted upon  because of  default
(including  delinquencies)  on the  qualified mortgages  or lower  than expected
reinvestment returns. It is  currently unclear whether  reserve funds for  other
purposes (such as a reserve fund in connection with the use of graduated payment
mortgages)  constitute  qualified  reserve  assets.  The  reserve  fund  will be
disqualified if more than 30% of the  gross income from the assets in such  fund
for  the year is derived from the sale or other disposition of property held for
less than three  months, unless  required to prevent  a default  on the  regular
interests caused by a default on one or more qualified mortgages. A reserve fund
must  be reduced "promptly and appropriately"  as payments on the Mortgage Loans
are received. Foreclosure property is real  property acquired by the REMIC  Pool
in  connection with the default or imminent  default of a qualified mortgage and
generally held for not more than two years, with possible extensions.
 
    In addition to the foregoing requirements, the various interests in a  REMIC
Pool  also must meet certain requirements. All  of the interests in a REMIC Pool
must be either of the following: (i) one or more classes of regular interests or
(ii) a single class  of residual interests on  which distributions, if any,  are
made  pro rata. A regular interest is an interest in a REMIC Pool that is issued
on the Startup Day with  fixed terms, is designated  as a regular interest,  and
unconditionally  entitles the holder to receive a specified principal amount (or
other similar amount),  and provides  that interest payments  (or other  similar
amounts), if any, at or before maturity either are payable based on a fixed rate
or  a qualified variable rate, or consist  of a specified, nonvarying portion of
the  interest  payments  on  qualified  mortgages.  Under  the  Proposed   REMIC
Regulations,  the specified principal amount of a regular interest that provides
for interest payments consisting of a specified, nonvarying portion of  interest
payments  on qualified mortgages may be zero. A residual interest is an interest
in a REMIC Pool other than a regular interest that is issued on the Startup  Day
and  that is designated  as a residual interest.  The Proposed REMIC Regulations
provide that an interest in  a REMIC Pool may be  treated as a regular  interest
even  if payments of principal with respect to such interest are subordinated to
payments on other regular interests or the residual interest in the REMIC  Pool,
and  are  dependent on  the absence  of defaults  or delinquencies  on qualified
mortgages or permitted  investments, lower than  reasonably expected returns  on
permitted  investments,  expenses  incurred  by  the  REMIC  Pool  or prepayment
interest shortfalls.  Accordingly, the  Regular Certificates  of a  Series  will
constitute   one  or  more  classes  of  regular  interests,  and  the  Residual
Certificates with  respect to  that Series  will constitute  a single  class  of
residual interests on which distributions are made pro rata.
 
    If  an entity, such as the  REMIC Pool, fails to comply  with one or more of
the ongoing requirements of the Code  for REMIC status during any taxable  year,
the  Code provides that the entity will not  be treated as a REMIC for such year
and thereafter. In  this event,  an entity  with multiple  classes of  ownership
interests  may be  treated as  a separate  association taxable  as a corporation
under Treasury  regulations, and  the  Regular Certificates  may be  treated  as
equity  interests therein. The Code, however, authorizes the Treasury Department
to issue regulations that address situations  where failure to meet one or  more
of the requirements for REMIC status occurs inadvertently and in good faith, and
disqualification  of  the  REMIC  Pool  would  occur  absent  regulatory relief.
Investors should be aware, however, that the Conference Committee Report to  the
1986  Act indicates that the relief may be accompanied by sanctions, such as the
imposition of a corporate tax on all or a portion of the REMIC Pool's income for
the period of time in which the requirements for REMIC status are not satisfied.
 
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<PAGE>
TAXATION OF REGULAR CERTIFICATES
 
  GENERAL
 
    In general,  interest, original  issue discount,  and market  discount on  a
Regular  Certificate  will be  treated as  ordinary  income to  a holder  of the
Regular Certificate (the "Regular Certificateholder"), and principal payments on
a Regular Certificate will be  treated as a return of  capital to the extent  of
the  Regular  Certificateholder's  basis in  the  Regular  Certificate allocable
thereto. Regular Certificateholders  must use the  accrual method of  accounting
with  regard to  Regular Certificates,  regardless of  the method  of accounting
otherwise used by such Regular Certificateholders.
 
  ORIGINAL ISSUE DISCOUNT
 
    Compound Interest  Certificates  will  be,  and  other  classes  of  Regular
Certificates may be, issued with "original issue discount" within the meaning of
Code  Section 1273(a). Holders of any  Class or Subclass of Regular Certificates
having original issue discount generally must include original issue discount in
ordinary income for  federal income tax  purposes as it  accrues, in  accordance
with  a  constant interest  method that  takes into  account the  compounding of
interest, in advance  of receipt of  the cash attributable  to such income.  The
following  discussion is  based in part  on proposed  Treasury regulations under
Code Sections 1271 through 1273 and 1275 (the "Proposed OID Regulations") and in
part on the  provisions of the  1986 Act. Regular  Certificateholders should  be
aware,  however, that  the Proposed  OID Regulations  do not  adequately address
certain  issues  relevant  to  prepayable   securities,  such  as  the   Regular
Certificates,  and are  subject to change  and are not  binding authority before
being adopted as final or temporary regulations. However, to the extent  adopted
as  currently drafted,  the Proposed  OID Regulations  may apply  to the Regular
Certificates retroactively as binding authority.
 
    Under the Proposed OID Regulations, each Regular Certificate (except to  the
extent  described below with respect to a Regular Certificate on which principal
is distributed in a single installment or by lots of specified principal amounts
upon the  request of  a Certificateholder  or  by random  lot (a  "Retail  Class
Certificate"))  will be treated as a  single installment obligation for purposes
of  determining   the  original   issue  discount   includible  in   a   Regular
Certificateholder's  income. The  total amount of  original issue  discount on a
Regular Certificate is the excess of  the "stated redemption price at  maturity"
of  the Regular Certificate over its "issue price." The issue price of a Regular
Certificate is the price at which  a substantial amount of Regular  Certificates
of  that  Class are  first sold  to the  public.  The issue  price of  a Regular
Certificate  also   includes   the   amount   paid   by   an   initial   Regular
Certificateholder  for accrued  interest that relates  to a period  prior to the
issue date of the Regular Certificate.  The stated redemption price at  maturity
of  a Regular Certificate  always includes the original  principal amount of (in
the case of Standard or Stripped  Certificates) or initial Stated Amount of  (in
the  case of  Multi-Class Certificates)  the Regular  Certificate, but generally
will not include distributions of stated interest if such interest distributions
constitute "qualified  periodic  interest  payments."  Under  the  Proposed  OID
Regulations,  a  qualified periodic  interest  payment generally  means interest
payable at a single fixed rate or a qualified variable rate (as described below)
provided that such interest payments are actually and unconditionally payable at
fixed, periodic intervals  of one year  or less  during the entire  term of  the
Regular   Certificate.  Distributions   of  interest  on   a  Compound  Interest
Certificate, or on  other Regular  Certificates with respect  to which  deferred
interest  will accrue, may not  constitute qualified periodic interest payments,
in  which  case  the  stated  redemption  price  at  maturity  of  such  Regular
Certificates  includes  all  distributions  of  interest  as  well  as principal
thereon. Moreover,  if  the  interval  between the  issue  date  and  the  first
Distribution  Date on a Regular Certificate  is longer than the interval between
subsequent Distribution Dates, the Internal  Revenue Service could contend  that
the initial interval should be divided into a short accrual period followed by a
period  corresponding to the interval between subsequent Distribution Dates, and
that because no  distribution of interest  is made  on the date  that the  short
accrual   period  ends,  the  stated  interest  distributions  on  such  Regular
Certificate do not constitute qualified periodic interest payments. Accordingly,
the Internal  Revenue  Service could  contend  that all  distributions  on  such
Regular  Certificate  should be  includible in  the  stated redemption  price at
maturity, or that some other adjustment  should be made. Furthermore, a  portion
of   the  interest   distributed  on   the  first   Distribution  Date   may  be
 
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<PAGE>
treated as nonqualified  periodic interest includible  in the stated  redemption
price  at maturity to the extent such interest distribution is attributable to a
period in excess of  the number of  days between the issue  date and such  first
Distribution  Date.  Regular  Certificateholders should  consult  their  own tax
advisors to determine the issue price and stated redemption price at maturity of
a Regular Certificate.
 
    Under a DE MINIMIS  rule, original issue discount  on a Regular  Certificate
will be considered to be zero if such original issue discount is less than 0.25%
of the stated redemption price at maturity of the Regular Certificate multiplied
by  the weighted average maturity of  the Regular Certificate. For this purpose,
the weighted average maturity of the Regular Certificate is computed as the  sum
of  the  amounts  determined by  multiplying  the  number of  full  years (I.E.,
rounding down partial  years) from  the issue  date until  each distribution  in
reduction  of stated redemption price  at maturity is scheduled  to be made by a
fraction, the numerator of which is the amount of each distribution included  in
the  stated  redemption price  at maturity  of the  Regular Certificate  and the
denominator of which is the stated  redemption price at maturity of the  Regular
Certificate.  Although currently unclear,  it appears that  the schedule of such
distributions should  be  determined in  accordance  with the  assumed  rate  of
prepayment  of the Mortgage Loans and the anticipated reinvestment rate, if any,
relating  to  the  Regular  Certificates  (the  "Prepayment  Assumption").   The
Prepayment  Assumption with respect to a  Series of Regular Certificates will be
set forth in the related Prospectus Supplement.
 
    A Regular Certificateholder generally must  include in gross income for  any
taxable  year the sum of the "daily portions," as defined below, of the original
issue discount on the Regular Certificate  accrued during an accrual period  for
each  day  on which  it holds  the  Regular Certificate,  including the  date of
purchase but excluding the  date of disposition. Although  not free from  doubt,
the  Seller intends to treat the monthly period ending on each Distribution Date
as the accrual period, rather than the monthly period corresponding to the prior
calendar month. With respect to each Regular Certificate, a calculation will  be
made  of the  original issue discount  that accrues during  each successive full
accrual period (or shorter period from the date of original issue) that ends  on
the  related  Distribution  Date  on  the  Regular  Certificate.  The Conference
Committee Report to the  1986 Act states  that the rate  of accrual of  original
issue  discount is intended to be based on the Prepayment Assumption. Other than
as discussed below  with respect  to a  Retail Class  Certificate, the  original
issue discount accruing in a full accrual period would be the excess, if any, of
(i) the sum of (a) the present value of all of the remaining distributions to be
made  on the Regular Certificate  as of the end of  that accrual period, and (b)
the distributions made on the Regular Certificate during the accrual period that
are included in the Regular  Certificate's stated redemption price at  maturity,
over  (ii) the adjusted issue price of  the Regular Certificate at the beginning
of the accrual period. The present value of the remaining distributions referred
to in the preceding sentence is calculated based on (i) the yield to maturity of
the Regular  Certificate  at  the  issue date,  (ii)  events  (including  actual
prepayments)  that have  occurred prior  to the end  of the  accrual period, and
(iii) the Prepayment Assumption. For these purposes, the adjusted issue price of
a Regular Certificate at  the beginning of any  accrual period equals the  issue
price  of the Regular Certificate, increased by the aggregate amount of original
issue discount with respect to the Regular Certificate that accrued in all prior
accrual periods  and reduced  by the  amount of  distributions included  in  the
Regular  Certificate's stated redemption price at maturity that were made on the
Regular Certificate in such prior periods. The original issue discount  accruing
during any accrual period (as determined in this paragraph) will then be divided
by  the number of days in the period  to determine the daily portion of original
issue discount for each day  in the period. With  respect to an initial  accrual
period  shorter than a full accrual period, the daily portions of original issue
discount must be determined according to an appropriate allocation under  either
an exact or approximate method set forth in the Proposed OID Regulations or some
other reasonable method, provided that such method is consistent with the method
used to determine the yield to maturity of the Regular Certificate.
 
    Under  the  method described  above, the  daily  portions of  original issue
discount required  to  be included  in  income by  a  Regular  Certificateholder
generally  will  increase  to  take  into  account  prepayments  on  the Regular
Certificates as a result  of prepayments on the  Mortgage Loans that exceed  the
Prepayment
 
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Assumption,  and generally will decrease (but not  below zero for any period) if
the prepayments  are  slower  than  the Prepayment  Assumption.  To  the  extent
specified in the applicable Prospectus Supplement, an increase in prepayments on
the  Mortgage Loans with respect to a  Series of Regular Certificates can result
in both a change in the priority  of principal payments with respect to  certain
Classes  of Regular Certificates and either an increase or decrease in the daily
portions of original issue discount with respect to such Regular Certificates.
 
    In the case of  a Retail Class  Certificate, the yield  to maturity of  such
Certificate   will   be   determined   based   upon   the   anticipated  payment
characteristics of the  Class as  a whole  under the  Prepayment Assumption.  In
general,  the original issue discount accruing  on each Retail Class Certificate
in a full  accrual period would  be its  allocable share of  the original  issue
discount  with respect to the entire Class, as determined in accordance with the
preceding paragraph. However, in the case of a distribution in retirement of the
entire unpaid principal balance of any  Retail Class Certificate (or portion  of
such  unpaid  principal balance),  (a)  the remaining  unaccrued  original issue
discount allocable to such Certificate (or  to such portion) will accrue at  the
time  of  such distribution,  and  (b) the  accrual  of original  issue discount
allocable to each remaining Certificate of  such Class (or the remaining  unpaid
principal  balance  of a  partially redeemed  Retail  Class Certificate  after a
distribution of principal has  been received) will be  adjusted by reducing  the
present  value of the  remaining payments on  such Class and  the adjusted issue
price of such  Class to the  extent attributable  to the portion  of the  unpaid
principal balance thereof that was distributed.
 
    A  purchaser of a Regular  Certificate at a price  greater than its "revised
issue price," as defined below, will be required to include in gross income  the
daily portions of the original issue discount on the Regular Certificate reduced
pro  rata by a  fraction, the numerator of  which is the  excess of its purchase
price over  such  revised  issue price  and  the  denominator of  which  is  the
remaining  original  issue  discount.  The  revised  issue  price  of  a Regular
Certificate is  the sum  of its  original  issue price  and the  original  issue
discount  that would have been previously accrued by an original holder less any
prior distributions included in the stated redemption price at maturity.
 
  VARIABLE RATE REGULAR CERTIFICATES
 
    Regular Certificates  may provide  for interest  based on  a variable  rate.
Under  the  Proposed  OID  Regulations, a  qualified  periodic  interest payment
includes any one of a series of payments equal to the product of the outstanding
principal balance of a Regular Certificate and a variable rate tied to a  single
objective  index of market interest rates,  provided that such interest payments
are actually and  unconditionally payable  at fixed, periodic  intervals of  one
year or less during the entire term of the Regular Certificate. In the case of a
Regular Certificate, however, that pays interest based on a combination of fixed
or  qualifying variable rates  or at a variable  rate that is  subject to one or
more maximum rate ceilings or certain other adjustments, it is unclear under the
Proposed OID Regulations whether interest payments on such a Regular Certificate
constitute  qualified  periodic  interest   payments,  or  instead  are   either
includible in the stated redemption price at maturity of the Regular Certificate
or  treated as contingent interest payments  includible in income as they become
fixed. Further, the Proposed REMIC Regulations generally provide that a  Regular
Certificate  (i) bearing  a floating  rate tied  to an  objective index  (or the
highest, lowest or average of two or more objective indices) of market  interest
rates  (including a  rate based  on the  average cost  of funds  of one  or more
financial institutions) or that represents a  weighted average of rates on  some
or  all of  the Mortgage  Loans that bear  either a  fixed rate  or a qualifying
variable rate, including  such a rate  that is subject  to one or  more caps  or
floors,  or (ii) bearing one  or more such qualifying  variable rates for one or
more periods, or one or more fixed rates for one or more periods, qualifies as a
regular interest in a REMIC.
 
    The amount of original issue discount with respect to a Regular  Certificate
bearing  a variable rate of  interest will accrue in  the manner described above
under "Original Issue Discount," with the yield to maturity and future  payments
on  such Regular Certificate to be determined by assuming that the interest rate
index applicable to the first Distribution Date remains constant throughout  the
life  of the Regular Certificate. Ordinary income reportable for any period will
be   adjusted    based    on    subsequent    changes    in    the    applicable
 
                                       72
<PAGE>
interest  rate index. Where the issue price of a Regular Certificate exceeds the
original principal  amount  or Stated  Amount  of the  Regular  Certificate,  it
appears  appropriate to  reduce the  ordinary income  reportable for  an accrual
period by a portion of  such excess in a manner  similar to the amortization  of
premium on the level yield method. Absent clarification, original issue discount
will be reported to the Internal Revenue Service and to holders of variable rate
Regular  Certificates  in  the  manner described  in  this  paragraph  using the
Prepayment Assumption.
 
    In the  case of  Regular Certificates  bearing an  interest rate  that is  a
weighted  average of the net interest  rates on Mortgage Loans having adjustable
rates, the applicable index  used to compute interest  on the Mortgage Loans  in
effect  on the issue date (or possibly the pricing date) will be deemed to be in
effect beginning with the period in which the first weighted average  adjustment
date  occurring after the issue date occurs. If the Pass-Through Rate for one or
more periods is less  than it would  be based upon the  fully indexed rate,  the
excess  of the  interest payments projected  at the assumed  index over interest
projected at such  initial rate may  be treated as  original issue discount.  In
such  case, a  Regular Certificateholder may  have ordinary income  in excess of
interest received at the initial Pass-Through Rate. An adjustment would be  made
in  each period  either increasing or  decreasing the amount  of ordinary income
reportable to reflect the actual  Pass-Through Rate on the Regular  Certificate.
Unless  and until clarified by applicable  Treasury regulations, the Seller does
not intend to report such excess as original issue discount.
 
  MARKET DISCOUNT
 
    A purchaser  of a  Regular Certificate  also may  be subject  to the  market
discount  rules of Code Sections 1276 through 1278. Under these sections and the
principles applied by the  Proposed OID Regulations in  the context of  original
issue  discount,  "market  discount"  is the  amount  by  which  the purchaser's
original basis in the  Regular Certificate (i) is  exceeded by the  then-current
principal  amount of the Regular  Certificate, or (ii) in  the case of a Regular
Certificate having original  issue discount,  is exceeded by  the revised  issue
price  of such Regular Certificate at the  time of purchase, as described above.
Such purchaser generally will  be required to recognize  ordinary income to  the
extent  of accrued market discount on  such Regular Certificate as distributions
includible in the stated redemption price  at maturity thereof are received,  in
an amount not exceeding any such distribution. Such market discount would accrue
in  a manner to be provided in Treasury regulations and should take into account
the Prepayment  Assumption. The  Conference  Committee Report  to the  1986  Act
provides  that until  such regulations  are issued,  such market  discount would
accrue either (i) on the basis of a constant interest rate, or (ii) in the ratio
of stated interest allocable to the relevant  period to the sum of the  interest
for  such period plus the remaining interest as of the end of such period, or in
the case of a  Regular Certificate issued with  original issue discount, in  the
ratio  of original issue discount accrued for  the relevant period to the sum of
the original issue discount accrued for such period plus the remaining  original
issue  discount as of the end of such period. Such purchaser also generally will
be required to treat a portion of any gain on a sale or exchange of the  Regular
Certificate  as ordinary income to the extent  of the market discount accrued to
the date of  disposition under one  of the foregoing  methods, less any  accrued
market  discount previously reported as ordinary income as partial distributions
in reduction of  the stated  redemption price  at maturity  were received.  Such
purchaser  will be required to defer deduction of a portion of the excess of the
interest paid or accrued on indebtedness incurred to purchase or carry a Regular
Certificate over the  interest distributable  thereon. The  deferred portion  of
such  interest expense in any taxable year generally will not exceed the accrued
market discount on  the Regular  Certificate for  such year.  Any such  deferred
interest  expense is, in general, allowed as a deduction not later than the year
in which  the  related market  discount  income  is recognized  or  the  Regular
Certificate  is  disposed  of. As  an  alternative  to the  inclusion  of market
discount in income  on the  foregoing basis, the  Regular Certificateholder  may
elect to include market discount in income currently as it accrues on all market
discount  instruments acquired by such Regular Certificateholder in that taxable
year or thereafter, in which case the interest deferral rule will not apply.
 
    By analogy to the Proposed OID Regulations, market discount with respect  to
a  Regular Certificate will be considered to  be zero if such market discount is
less than 0.25% of the remaining stated redemption
 
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<PAGE>
price at maturity of such Regular Certificate multiplied by the weighted average
maturity of the Regular Certificate (determined as described above in the fourth
paragraph under "Original Issue Discount") remaining after the date of purchase.
Treasury regulations implementing the  market discount rules  have not yet  been
issued,  and therefore investors should consult their own tax advisors regarding
the application of these rules as well as the advisability of making any of  the
elections with respect thereto.
 
  PREMIUM
 
    A  Regular Certificate purchased at a cost greater than its remaining stated
redemption price  at maturity  generally  is considered  to  be purchased  at  a
premium.  If the Regular  Certificateholder holds such  Regular Certificate as a
"capital  asset"  within  the  meaning   of  Code  Section  1221,  the   Regular
Certificateholder  may elect  under Code  Section 171  to amortize  such premium
under the constant interest method. The Conference Committee Report to the  1986
Act  indicates a Congressional intent that the same rules that will apply to the
accrual of  market  discount  on  installment obligations  will  also  apply  to
amortizing  bond premium under Code Section  171 on installment obligations such
as the Regular Certificates, although it is unclear whether the alternatives  to
the  constant  interest  method  described  above  under  "Market  Discount" are
available. Amortizable bond  premium will be  treated as an  offset to  interest
income on a Regular Certificate, rather than as a separate deduction item.
 
  SALE OR EXCHANGE OF REGULAR CERTIFICATES
 
    If a Regular Certificateholder sells or exchanges a Regular Certificate, the
Regular  Certificateholder will recognize gain or  loss equal to the difference,
if any,  between the  amount received  and  its adjusted  basis in  the  Regular
Certificate.  The adjusted basis  of a Regular  Certificate generally will equal
the cost of  the Regular Certificate  to the seller,  increased by any  original
issue  discount or  market discount  previously included  in the  seller's gross
income with respect to the Regular  Certificate and reduced by amounts  included
in  the stated redemption price at maturity of the Regular Certificate that were
previously received by the seller and by any amortized premium.
 
    Except as described  above with respect  to market discount,  and except  as
provided  in this  paragraph, any  gain or  loss on  the sale  or exchange  of a
Regular Certificate realized by an investor who holds the Regular Certificate as
a capital asset will be capital gain or loss and will be long-term or short-term
depending on whether  the Regular Certificate  has been held  for the  long-term
capital  gain  holding period  (currently, more  than one  year). Gain  from the
disposition of a Regular Certificate that  might otherwise be capital gain  will
be  treated as ordinary income to the extent  that such gain does not exceed the
excess, if any, of (i) the amount  that would have been includible in the  gross
income  of the holder if his yield on  such Regular Certificate were 110% of the
applicable Federal rate under Code Section  1274(d) as of the date of  purchase,
over  (ii) the amount of income actually  includible in the gross income of such
holder with  respect to  the  Regular Certificate.  In  addition, gain  or  loss
recognized  from the sale  of a Regular  Certificate by certain  banks or thrift
institutions will be treated as ordinary income or loss pursuant to Code Section
582(c). The  preferential  rates  applicable to  long-term  capital  gains  were
eliminated  by the  1986 Act.  However, the  Revenue Reconciliation  Act of 1990
restored a preferential rate applicable to long-term capital gains with  respect
to certain individuals.
 
TAXATION OF RESIDUAL CERTIFICATES
 
  TAXATION OF REMIC INCOME
 
    Generally,  the "daily portions" of REMIC taxable income or net loss will be
includible as ordinary income or loss in determining the federal taxable  income
of  holders of Residual Certificates ("Residual Holders"), and will not be taxed
separately to the REMIC Pool. The daily portions of REMIC taxable income or  net
loss  of a Residual Holder are determined by allocating the REMIC Pool's taxable
income or net loss for each calendar quarter ratably to each day in such quarter
and by allocating such daily portion among the Residual Holders in proportion to
their respective holdings  of Residual Certificates  in the REMIC  Pool on  such
day.  REMIC taxable  income is  generally determined in  the same  manner as the
taxable income of an individual using  the accrual method of accounting,  except
that (i) the limitation on deductibility of investment
 
                                       74
<PAGE>
interest  expense and expenses for  the production of income  do not apply, (ii)
all bad loans will be deductible as business bad debts, and (iii) the limitation
on the deductibility of interest and expenses related to tax-exempt income  will
apply.  REMIC  taxable income  generally means  the  REMIC Pool's  gross income,
including interest, original issue discount income, and market discount  income,
if  any, on the  Mortgage Loans, plus  income on reinvestment  of cash flows and
reserve assets, minus deductions, including interest and original issue discount
expense on the Regular  Certificates, servicing fees on  the Mortgage Loans  and
other administrative expenses of the REMIC Pool, and amortization of premium, if
any,  with respect to the Mortgage  Loans. The requirement that Residual Holders
report their pro rata share of taxable income or net loss of the REMIC Pool will
continue until there  are no  Certificates of any  class of  the related  Series
outstanding.
 
    The  taxable income recognized by a Residual Holder in any taxable year will
be affected by,  among other  factors, the  relationship between  the timing  of
recognition of interest and original issue discount or market discount income or
amortization of premium with respect to the Mortgage Loans, on the one hand, and
the timing of deductions for interest (including original issue discount) on the
Regular  Certificates, on the other  hand. In the event  that an interest in the
Mortgage Loans is acquired by the REMIC Pool  at a discount, and one or more  of
such Mortgage Loans is prepaid, the Residual Holder may recognize taxable income
without being entitled to receive a corresponding amount of cash because (i) the
prepayment may be used in whole or in part to make distributions in reduction of
principal or Stated Amount on the Regular Certificates, and (ii) the discount on
the  Mortgage  Loans which  is  includible in  income  may exceed  the deduction
allowed upon such distributions on those Regular Certificates on account of  any
unaccrued  original issue discount relating  to those Regular Certificates. When
there is more than one Class  of Regular Certificates that distribute  principal
or  payments in  reduction of  Stated Amount  sequentially, this  mismatching of
income and  deductions  is particularly  likely  to  occur in  the  early  years
following  issuance of the Regular  Certificates when distributions in reduction
of principal or Stated Amount  are being made in  respect of earlier Classes  of
Regular  Certificates  to  the extent  that  such  Classes are  not  issued with
substantial discount. If taxable  income attributable to  such a mismatching  is
realized, in general, losses would be allowed in later years as distributions on
the  later Classes of Regular Certificates are  made. Taxable income may also be
greater in  earlier years  than in  later years  as a  result of  the fact  that
interest  expense  deductions,  expressed  as a  percentage  of  the outstanding
principal amount of  such a Series  of Regular Certificates,  may increase  over
time as distributions in reduction of principal or Stated Amount are made on the
lower  yielding Classes  of Regular  Certificates, whereas  interest income with
respect to  any  given  Mortgage  Loan  will remain  constant  over  time  as  a
percentage  of  the outstanding  principal  amount of  that  loan. Consequently,
Residual Holders must have sufficient other sources of cash to pay any  federal,
state,  or local income taxes  due as a result  of such mismatching or unrelated
deductions against which  to offset such  income, subject to  the discussion  of
"excess  inclusions" below  under "Limitations on  Offset or  Exemption of REMIC
Income." The timing of  such mismatching of income  and deductions described  in
this  paragraph, if present with respect to a Series of Certificates, may have a
significant adverse effect upon the Residual Holder's after-tax rate of  return.
In  addition,  a Residual  Holder's taxable  income  during certain  periods may
exceed the  income  reflected  by  such Residual  Holder  for  such  periods  in
accordance  with  generally  accepted  accounting  principles.  Investors should
consult their  own  accountants concerning  the  accounting treatment  of  their
investment in Residual Certificates.
 
  BASIS AND LOSSES
 
    The  amount of any net loss of the REMIC Pool that may be taken into account
by the  Residual  Holder  is limited  to  the  adjusted basis  of  the  Residual
Certificate  as  of the  close of  the quarter  (or time  of disposition  of the
Residual Certificate if earlier), determined without taking into account the net
loss for the quarter. The  initial adjusted basis of  a purchaser of a  Residual
Certificate  is the  amount paid  for such  Residual Certificate.  Such adjusted
basis will  be increased  by the  amount of  taxable income  of the  REMIC  Pool
reportable  by the Residual Holder  and will be decreased  (but not below zero),
first, by a cash distribution from the REMIC Pool and, second, by the amount  of
loss  of the  REMIC Pool  reportable by  the Residual  Holder. Any  loss that is
 
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<PAGE>
disallowed on account of this limitation  may be carried over indefinitely  with
respect  to the Residual Holder  as to whom such loss  was disallowed and may be
used by such Residual  Holder only to  offset any income  generated by the  same
REMIC Pool.
 
    A Residual Holder will not be permitted to amortize directly the cost of its
Residual  Certificate as  an offset to  its share  of the taxable  income of the
related REMIC Pool. However, that taxable income will not include cash  received
by  the REMIC Pool that  represents a recovery of the  REMIC Pool's basis in its
assets. Such  recovery of  basis  by the  REMIC Pool  will  have the  effect  of
amortization  of the issue  price of the Residual  Certificates over their life.
However, in view of the possible acceleration of the income of Residual  Holders
described  above under "Taxation of REMIC Income," the period of time over which
such issue price is effectively amortized  may be longer than the economic  life
of the Residual Certificates.
 
    A Residual Certificate may have a negative value if the net present value of
anticipated tax liabilities exceeds the present value of anticipated cash flows.
In  such event, it is unclear whether its  issue price would be considered to be
zero or such negative amount for purposes of determining the REMIC Pool's  basis
in  its assets. The  Proposed REMIC Regulations do  not address whether residual
interests could have a negative basis  and a negative issue price. However,  the
preamble  to the Proposed  REMIC Regulations indicates  that, while existing tax
rules do  not  accommodate  such  concepts,  the  Internal  Revenue  Service  is
considering  the tax treatment  of these types  of residual interests, including
whether such residual interests  may have a negative  basis or a negative  issue
price.  The Seller does not intend to  treat a Class of Residual Certificates as
having a value of less  than zero for purposes of  determining the basis of  the
related REMIC Pool in its assets.
 
    Further,  to the extent that the initial adjusted basis of a Residual Holder
(other than an original holder) in the Residual Certificate is greater than  the
corresponding  portion  of the  REMIC Pool's  basis in  the Mortgage  Loans, the
Residual Holder will not  recover a portion of  such basis until termination  of
the REMIC Pool unless Treasury regulations yet to be issued provide for periodic
adjustments  to  the  REMIC  income otherwise  reportable  by  such  holder. The
Proposed REMIC Regulations do not so provide. See "Treatment of Certain Items of
REMIC Income and Expense--Market Discount" below regarding the basis of Mortgage
Loans to the REMIC Pool and "Sale  or Exchange of a Residual Certificate"  below
regarding  possible treatment of a loss upon  termination of the REMIC Pool as a
capital loss.
 
  TREATMENT OF CERTAIN ITEMS OF REMIC INCOME AND EXPENSE
 
    ORIGINAL ISSUE  DISCOUNT.    Generally,  the  REMIC  Pool's  deductions  for
original  issue discount will be determined in the same manner as original issue
discount income on Regular  Certificates as described  above under "Taxation  of
Regular  Certificates--Original  Issue  Discount" and  "--Variable  Rate Regular
Certificates," without regard to the DE MINIMIS rule described therein.
 
    MARKET DISCOUNT.  The REMIC Pool will have market discount income in respect
of Mortgage Loans if, in general, the  basis of the REMIC Pool in such  Mortgage
Loans  is exceeded by their unpaid principal balances. The REMIC Pool's basis in
such Mortgage Loans  is generally the  fair market value  of the Mortgage  Loans
immediately  after the  transfer thereof to  the REMIC Pool.  The Proposed REMIC
Regulations provide  that such  basis is  equal in  the aggregate  to the  issue
prices  of all regular and  residual interests in the  REMIC Pool. In respect of
Mortgage Loans that have market discount to which Code Section 1276 applies, the
accrued portion of such market discount would be recognized currently as an item
of ordinary income. Market discount income generally should accrue in the manner
described above  under  "Taxation  of  Regular  Certificates--Market  Discount."
However,  the rules of Code Section  1276 concerning market discount income will
not apply in the case of Mortgage Loans originated on or prior to July 18, 1984,
if any.  With respect  to  such Mortgage  Loans,  market discount  is  generally
includible  in  REMIC  taxable  income  or ordinary  gross  income  pro  rata as
principal payments are  received. The  deduction of  a portion  of the  interest
expense  on the Regular Certificates allocable  to such discount may be deferred
until such discount is included in income, and any gain on the sale or  exchange
thereof  will  be treated  as  ordinary income  to  the extent  of  the deferred
interest deductible at that time.
 
                                       76
<PAGE>
    PREMIUM.  Generally, if the  basis of the REMIC  Pool in the Mortgage  Loans
exceeds the unpaid principal balances thereof, the REMIC Pool will be considered
to  have acquired such Mortgage  Loans at a premium equal  to the amount of such
excess. As stated above, the  REMIC Pool's basis in  Mortgage Loans is the  fair
market  value of the Mortgage Loans, based  on the aggregate of the issue prices
of the regular and  residual interests in the  REMIC Pool immediately after  the
transfer  thereof to  the REMIC  Pool. In a  manner analogous  to the discussion
above under "Taxation of Regular  Certificates--Premium," a person that holds  a
Mortgage  Loan as a capital  asset under Code Section  1221 may elect under Code
Section 171 to amortize premium on Mortgage Loans originated after September 27,
1985 under a constant interest method. Amortizable bond premium will be  treated
as an offset to interest income on the Mortgage Loans, rather than as a separate
deduction  item. Because  substantially all  of the  mortgagors on  the Mortgage
Loans are expected to be individuals, Code Section 171 will not be available for
premium on Mortgage Loans originated on or prior to September 27, 1985.  Premium
with  respect to  such Mortgage  Loans may  be deductible  in accordance  with a
reasonable method regularly employed  by the holder  thereof. The allocation  of
such premium pro rata among principal payments should be considered a reasonable
method; however, the Internal Revenue Service may argue that such premium should
be  allocated in a different manner, such as allocating such premium entirely to
the final payment of principal.
 
  LIMITATIONS ON OFFSET OR EXEMPTION OF REMIC INCOME
    The Code  provides that,  to  the extent  provided  in regulations,  if  the
aggregate  value of the Residual Certificates relative to the aggregate value of
the  Regular  Certificates  and  Residual  Certificates  is  considered  to   be
"significant,"  as described below,  then a portion  (but not all)  of the REMIC
taxable income includible in determining the  federal income tax liability of  a
Residual  Holder will be subject to special treatment. That portion, referred to
as the "excess inclusion," is  equal to the excess  of REMIC taxable income  for
the calendar quarter allocable to a Residual Certificate over the daily accruals
for  such quarterly period of (i) 120%  of the long-term applicable Federal rate
that would  have  applied  to  the  Residual Certificate  (if  it  were  a  debt
instrument)  on the Startup  Day under Code Section  1274(d), multiplied by (ii)
the adjusted issue price of such  Residual Certificate at the beginning of  such
quarterly  period.  For this  purpose, the  adjusted issue  price of  a Residual
Certificate at the beginning  of a quarter  is the issue  price of the  Residual
Certificate, plus the amount of such daily accruals of REMIC income described in
this  paragraph for all prior quarters, decreased by any distributions made with
respect to such Residual  Certificate prior to the  beginning of such  quarterly
period.  Although the Conference Committee Report to the 1986 Act indicates that
the value of all Residual Certificates would be considered significant in  cases
where  such  value  is  at  least  2% of  the  aggregate  value  of  the Regular
Certificates and Residual  Certificates, the Proposed  REMIC Regulations do  not
adopt  such a general rule. Accordingly, the portion of the REMIC Pool's taxable
income that  will be  treated as  excess inclusions  will be  determined by  the
preceding  formula, with the effect that such excess inclusions will be a larger
portion of  such income  as  the relative  value  of the  Residual  Certificates
diminishes.
 
    The  portion of a  Residual Holder's REMIC taxable  income consisting of the
excess inclusions generally may not be offset by other deductions, including net
operating loss carryforwards, on such Residual Holder's return. Further, if  the
Residual  Holder is  an organization  subject to  the tax  on unrelated business
income imposed by Code Section 511, the Residual Holder's excess inclusions will
be treated as  unrelated business  taxable income  of such  Residual Holder  for
purposes  of Code Section 511.  In addition, REMIC taxable  income is subject to
30% withholding tax with respect to certain persons who are not U.S. Persons (as
defined  below  under   "Tax-Related  Restrictions  on   Transfer  of   Residual
Certificates--Foreign  Investors"),  and  the  portion  thereof  attributable to
excess inclusions is not eligible for  any reduction in the rate of  withholding
tax   (by   treaty   or   otherwise).   See   "Taxation   of   Certain   Foreign
Investors--Residual Certificates" below. Finally, under Treasury regulations yet
to be issued, if a real estate  investment trust owns a Residual Certificate,  a
portion  of dividends  paid by  the real  estate investment  trust could  not be
offset by net operating losses  of its shareholders, would constitute  unrelated
business taxable income for tax-exempt shareholders, and would be ineligible for
reduction  of  withholding to  certain persons  who are  not U.S.  Persons. This
treatment may be  extended under  Treasury regulations  to regulated  investment
companies, common trust funds, and certain cooperatives.
 
                                       77
<PAGE>
    An  exception  to  the  inability  of a  Residual  Holder  to  offset excess
inclusions with unrelated deductions  and net operating  losses applies to  Code
Section  593 institutions ("thrift institutions"). For purposes of applying this
rule, all  members of  an  affiliated group  filing  a consolidated  return  are
treated  as one taxpayer, except that  thrift institutions to which Code Section
593 applies,  together  with their  subsidiaries  formed to  issue  REMICs,  are
treated   as  separate   corporations.  Furthermore,  the   Code  provides  that
regulations may disallow the ability of  a thrift institution to use  deductions
to offset excess inclusions if necessary or appropriate to prevent the avoidance
of tax. The Proposed REMIC Regulations provide that a thrift institution may not
so   offset  its  excess  inclusions   unless  the  Residual  Certificates  have
"significant value," which requires that  (i) the Residual Certificates have  an
issue price that is at least equal to 2% of the aggregate of the issue prices of
all  Residual Certificates  and Regular Certificates  with respect  to the REMIC
Pool,  and  (ii)  the  anticipated   weighted  average  life  of  the   Residual
Certificates  is at least 20% of the  anticipated life (I.E., final maturity) of
the  REMIC  Pool.  The  anticipated  weighted  average  life  of  the   Residual
Certificates  is based on the anticipated principal payments to be received with
respect thereto (using the Prepayment  Assumption), except that all  anticipated
distributions  are to be used if the Residual Certificate is not entitled to any
principal payments,  or  is entitled  to  a disproportionately  small  principal
amount  relative  to interest  payments thereon.  The  principal amount  will be
considered  disproportionately  small  if  the  issue  price  of  the   Residual
Certificates  exceeds  125%  of  their  initial  principal  amount.  Finally, an
ordering rule  under  the Proposed  REMIC  Regulations provides  that  a  thrift
institution may only offset its excess inclusion income with deductions after it
has  first applied  its deductions against  income that is  not excess inclusion
income. If applicable, the Prospectus Supplement  with respect to a Series  will
set  forth whether the  Residual Certificates are  expected to have "significant
value" within the meaning of the Proposed REMIC Regulations.
 
  TAX-RELATED RESTRICTIONS ON TRANSFER OF RESIDUAL CERTIFICATES
 
    DISQUALIFIED ORGANIZATIONS.    If any  legal  or beneficial  interest  in  a
Residual  Certificate is transferred to  a Disqualified Organization (as defined
below), a tax  would be imposed  in an amount  equal to the  product of (i)  the
present  value of the  total anticipated excess inclusions  with respect to such
Residual Certificate  for  periods  after  the transfer  and  (ii)  the  highest
marginal  federal income tax rate applicable to corporations. The Proposed REMIC
Regulations provide that the anticipated  excess inclusions are based on  actual
prepayment  experience to the date of  the transfer and projected payments based
on the  Prepayment Assumption.  The  present value  rate equals  the  applicable
federal  rate under Code  Section 1274(d) as of  the date of  the transfer for a
term equal to the remaining term of the  REMIC, and such rate is applied to  the
anticipated excess inclusions from the end of the remaining calendar quarters in
which  they arise  to the date  of the transfer.  Such a tax  generally would be
imposed on the transferor  of the Residual Certificate,  except that where  such
transfer  is through an agent (including  a broker, nominee, or other middleman)
for a Disqualified Organization, the tax would instead be imposed on such agent.
However, a transferor of a Residual Certificate would in no event be liable  for
such  tax  with  respect  to  a transfer  if  the  transferee  furnishes  to the
transferor an affidavit that the  transferee is not a Disqualified  Organization
and,  as  of the  time  of the  transfer, the  transferor  does not  have actual
knowledge that  such affidavit  is false.  The tax  also may  be waived  by  the
Treasury  Department if the  Disqualified Organization promptly  disposes of the
residual interest and the  transferor pays income tax  at the highest  corporate
rate on the excess inclusion for the period the Residual Certificate is actually
held by the Disqualified Organization.
 
    In  addition,  if  a "Pass-Through  Entity"  (as defined  below)  has excess
inclusion income with respect  to a Residual Certificate  during a taxable  year
and  a Disqualified Organization is  the record holder of  an equity interest in
such entity, then a tax  is imposed on such entity  equal to the product of  (i)
the  amount  of excess  inclusions that  are  allocable to  the interest  in the
Pass-Through Entity during the period such interest is held by such Disqualified
Organization, and (ii) the highest  marginal federal corporate income tax  rate.
Such  tax would be deductible from the ordinary gross income of the Pass-Through
Entity for the  taxable year. The  Pass-Through Entity would  not be liable  for
such   tax  if   it  has   received  an   affidavit  from   such  record  holder
 
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<PAGE>
that it is  not a Disqualified  Organization or stating  such holder's  taxpayer
identification number and, during the period such person is the record holder of
the Residual Certificate, the Pass-Through Entity does not have actual knowledge
that such affidavit is false.
 
    For these purposes, (i) "Disqualified Organization" means the United States,
any  state  or  political  subdivision  thereof,  any  foreign  government,  any
international  organization,  any  agency  or  instrumentality  of  any  of  the
foregoing  (provided, that such term does  not include an instrumentality if all
of its activities are subject to tax and a majority of its board of directors is
not selected  by any  such governmental  entity), any  cooperative  organization
furnishing  electric energy or  providing telephone service  to persons in rural
areas as described in  Code Section 1381(a)(2)(C),  and any organization  (other
than  a farmers' cooperative described in Code  Section 521) that is exempt from
taxation under  the Code  unless such  organization  is subject  to the  tax  on
unrelated  business income imposed  by Code Section  511, and (ii) "Pass-Through
Entity" means any  regulated investment company,  real estate investment  trust,
common  trust  fund,  partnership,  trust  or  estate  and  certain corporations
operating on  a  cooperative  basis.  Except as  may  be  provided  in  Treasury
regulations,  any  person holding  an  interest in  a  Pass-Through Entity  as a
nominee for  another  will, with  respect  to such  interest,  be treated  as  a
Pass-Through Entity.
 
    The  Pooling and Servicing  Agreement with respect to  a Series will provide
that  no  legal  or  beneficial  interest  in  a  Residual  Certificate  may  be
transferred  or registered  unless (i) the  proposed transferee  provides to the
Seller and the Trustee an affidavit to the effect that such transferee is not  a
Disqualified  Organization,  is  not purchasing  such  Residual  Certificates on
behalf of a Disqualified Organization (I.E., as a broker, nominee, or  middleman
thereof) and is not an entity that holds REMIC residual securities as nominee to
facilitate  the clearance and  settlement of such  securities through electronic
book-entry changes  in accounts  of participating  organizations, and  (ii)  the
transferor provides a statement in writing to the Seller and the Trustee that it
has  no actual knowledge that such affidavit is false. Moreover, the Pooling and
Servicing Agreement will  provide that  any attempted or  purported transfer  in
violation  of these transfer restrictions will be null and void and will vest no
rights in any purported transferee. Each Residual Certificate with respect to  a
Series  will bear a legend referring to  such restrictions on transfer, and each
Residual Holder  will be  deemed to  have agreed,  as a  condition of  ownership
thereof,  to  any  amendments to  the  related Pooling  and  Servicing Agreement
required under the  Code or  applicable Treasury regulations  to effectuate  the
foregoing  restrictions. Information  necessary to compute  an applicable excise
tax must be  furnished to  the Internal Revenue  Service and  to the  requesting
party  within 60 days of the request, and the Seller or the Trustee may charge a
fee for computing and providing such information.
 
    NONECONOMIC RESIDUAL  INTERESTS.    The  Proposed  REMIC  Regulations  would
disregard  certain  transfers  of  Residual  Certificates,  in  which  case  the
transferor  would  continue  to  be  treated  as  the  owner  of  the   Residual
Certificates  and thus  would continue  to be  subject to  tax on  its allocable
portion of  the  net  income  of  the  REMIC  Pool.  Under  the  Proposed  REMIC
Regulations,  a transfer of a "noneconomic residual interest" (defined below) to
a Residual Holder (other  than a Residual  Holder who is not  a U.S. Person,  as
defined  below under "Foreign Investors") is  disregarded for all federal income
tax purposes unless  no significant  purpose of the  transfer is  to impede  the
assessment  or collection of  tax. A residual  interest in a  REMIC (including a
residual interest with a positive value at issuance) is a "noneconomic  residual
interest"  unless, at  the time of  the transfer,  (i) the present  value of the
expected future  distributions on  the  residual interest  at least  equals  the
product  of  the present  value  of the  anticipated  excess inclusions  and the
highest corporate income tax rate in effect  for the year in which the  transfer
occurs,  and (ii)  the transferor  reasonably expects  that the  transferee will
receive distributions from the REMIC at or after the time at which taxes  accrue
on  the anticipated  excess inclusions  in an  amount sufficient  to satisfy the
accrued taxes. The anticipated excess inclusions and the present value rate  are
determined   in  the  same  manner  as   set  forth  above  under  "Disqualified
Organizations." The Proposed REMIC Regulations do not explain when a substantial
purpose of  a  transfer  will be  deemed  to  be to  impede  the  assessment  or
collection  of tax.  While complete  assurance as to  how to  meet this standard
cannot be provided,  the Indenture  will require  the transferee  of a  Residual
Certificate  to state as part of the affidavit described above under the heading
"Disqualified Organizations"
 
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<PAGE>
that such transferee has no intention to impede the assessment or collection  of
any federal, state or local income taxes required to be paid with respect to the
Residual  Certificate, and  the transferor must  have no reason  to believe that
such statement is untrue.
 
    FOREIGN INVESTORS.  The Proposed REMIC Regulations provide that the transfer
of a  Residual Certificate  that has  "tax avoidance  potential" to  a  "foreign
person"  will be  disregarded for  all federal  tax purposes.  This rule appears
intended to apply to a transferee who is not a "U.S. Person" (as defined below),
unless such transferee's income is effectively  connected with the conduct of  a
trade  or business within the United States. A Residual Certificate is deemed to
have tax avoidance potential unless, at the time of the transfer, (i) the future
value of expected distributions  equals at least 30%  of the anticipated  excess
inclusions  after the transfer, and (ii)  the transferor reasonably expects that
the transferee will receive sufficient distributions  from the REMIC Pool at  or
after the time at which the excess inclusions accrue and prior to the end of the
next succeeding taxable year for the accumulated withholding tax liability to be
paid.  If the non-U.S. Person transfers the  Residual Certificate back to a U.S.
Person, the  transfer  will  be  disregarded and  the  foreign  transferor  will
continue  to be treated  as the owner  unless arrangements are  made so that the
transfer does not have  the effect of  allowing the transferor  to avoid tax  on
accrued excess inclusions.
 
    The  Prospectus  Supplement relating  to the  Certificates  of a  Series may
provide that a Residual  Certificate may not be  purchased by or transferred  to
any  person that  is not  a U.S.  Person or  may describe  the circumstances and
restrictions pursuant  to which  such a  transfer may  be made.  The term  "U.S.
Person"  means  a  citizen or  resident  of  the United  States,  a corporation,
partnership or other entity  created or organized  in or under  the laws of  the
United  States or any political subdivision thereof,  or an estate or trust that
is subject to U.S. federal income tax regardless of the source of its income.
 
  SALE OR EXCHANGE OF A RESIDUAL CERTIFICATE
 
    Upon the sale  or exchange of  a Residual Certificate,  the Residual  Holder
will  recognize gain or loss equal to the excess, if any, of the amount realized
over the  adjusted  basis  (as  described  above  under  "Taxation  of  Residual
Certificates--Basis  and  Losses")  of  such Residual  Holder  in  such Residual
Certificate at the time of  the sale or exchange.  In addition to reporting  the
taxable  income of the REMIC Pool, a Residual Holder will have taxable income to
the extent that any cash  distribution to him from  the REMIC Pool exceeds  such
adjusted  basis on that Distribution  Date. Such income will  be treated as gain
from the sale or exchange of the  Residual Certificate. It is possible that  the
termination of the REMIC Pool may be treated as a sale or exchange of a Residual
Holder's  Residual Certificate,  in which  case, if  the Residual  Holder has an
adjusted basis in his  Residual Certificate remaining when  his interest in  the
REMIC  Pool terminates, and if  he holds such Residual  Certificate as a capital
asset under Code Section  1221, then he  will recognize a  capital loss at  that
time in the amount of such remaining adjusted basis.
 
    The  Conference Committee  Report to the  1986 Act provides  that, except as
provided in Treasury regulations yet to be  issued, the wash sale rules of  Code
Section  1091  will apply  to dispositions  of  Residual Certificates  where the
seller of  the Residual  Certificate,  during the  period beginning  six  months
before the sale or disposition of the Residual Certificate and ending six months
after  such sale or disposition, acquires  (or enters into any other transaction
that results in the application of  Code Section 1091) any residual interest  in
any  REMIC or  any interest in  a "taxable  mortgage pool" (such  as a non-REMIC
owner trust) that is economically comparable to a Residual Certificate.
 
  TAXES THAT MAY BE IMPOSED ON THE REMIC POOL
 
    PROHIBITED TRANSACTIONS.   Income  from certain  transactions by  the  REMIC
Pool,  called prohibited  transactions, will not  be part of  the calculation of
income or loss includible in the federal income tax returns of Residual Holders,
but rather will be taxed directly to  the REMIC Pool at a 100% rate.  Prohibited
transactions generally include (i) the disposition of a qualified mortgage other
than  for (a) substitution within  two years of the  Startup Day for a defective
(including a defaulted) obligation (or repurchase  in lieu of substitution of  a
defective  (including a defaulted) obligation at  any time) or for any qualified
mortgage within three months  of the Startup Day,  (b) foreclosure, default,  or
imminent default of a qualified mortgage,
 
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<PAGE>
(c)  bankruptcy or insolvency of  the REMIC Pool, or  (d) a qualified (complete)
liquidation, (ii) the receipt  of income from  assets that are  not the type  of
mortgages  or investments that  the REMIC Pool  is permitted to  hold, (iii) the
receipt of  compensation  for  services,  or  (iv)  the  receipt  of  gain  from
disposition  of  cash  flow  investments  other  than  pursuant  to  a qualified
liquidation. Notwithstanding (i) and (iv), it is not a prohibited transaction to
sell REMIC  Pool property  to prevent  a default  on Regular  Certificates as  a
result  of a  default on  qualified mortgages or  to facilitate  a clean-up call
(generally, an optional termination  to save administrative  costs when no  more
than  a small percentage of the Certificates is outstanding). The Proposed REMIC
Regulations indicate that the modification of a Mortgage Loan generally will not
be treated as  a disposition  if it  is occasioned  by a  default or  reasonably
foreseeable  default,  an  assumption of  the  Mortgage  Loan, the  waiver  of a
due-on-sale clause,  or  the conversion  of  an  interest rate  by  a  mortgagor
pursuant to the terms of a convertible adjustable rate Mortgage Loan.
 
    CONTRIBUTIONS  TO THE  REMIC POOL  AFTER THE STARTUP  DAY.   In general, the
REMIC Pool will be subject to a tax at a 100% rate on the value of any  property
contributed to the REMIC Pool after the Startup Day. Exceptions are provided for
cash  contributions to the REMIC Pool (i)  during the three months following the
Startup Day, (ii) made to a qualified  reserve fund by a Residual Holder,  (iii)
in the nature of a guarantee, (iv) made to facilitate a qualified liquidation or
clean-up  call, and (v) as otherwise permitted in Treasury regulations yet to be
issued.
 
    NET INCOME FROM  FORECLOSURE PROPERTY.   The REMIC Pool  will be subject  to
federal income tax at the highest corporate rate on "net income from foreclosure
property,"  determined  by  reference to  the  rules applicable  to  real estate
investment trusts. Generally, property acquired  by deed in lieu of  foreclosure
would  be treated  as "foreclosure  property" for  a period  of two  years, with
possible extensions. Net income from  foreclosure property generally means  gain
from  the sale of  a foreclosure property  that is inventory  property and gross
income  from  foreclosure  property  other  than  qualifying  rents  and   other
qualifying income for a real estate investment trust.
 
  LIQUIDATION OF THE REMIC POOL
 
    If a REMIC Pool and the Trustee adopt a plan of complete liquidation, within
the  meaning of Code Section 860F(a)(4)(A)(i), and sell all of its assets (other
than cash) within a 90-day period beginning  on the date of the adoption of  the
plan  of liquidation, then the REMIC Pool will  recognize no gain or loss on the
sale of  its assets,  provided that  the REMIC  Pool credits  or distributes  in
liquidation  all of the sale proceeds plus its cash (other than amounts retained
to meet claims) to holders of  Regular Certificates and Residual Holders  within
the 90-day period.
 
  ADMINISTRATIVE MATTERS
 
    The  REMIC Pool will  be required to  maintain its books  on a calendar year
basis and to file federal income tax returns for federal income tax purposes  in
a  manner similar to a partnership. The form  for such income tax return is Form
1066, U.S.  Real Estate  Mortgage Investment  Conduit Income  Tax Return.  Under
TAMRA,  the Trustee will be required to  sign the REMIC Pool's returns. Treasury
regulations provide that, except where there is a single Residual Holder for  an
entire  taxable  year, the  REMIC Pool  will  be subject  to the  procedural and
administrative rules  of  the Code  applicable  to partnerships,  including  the
determination by the Internal Revenue Service of any adjustments to, among other
things,  items of REMIC  income, gain, loss,  deduction, or credit  in a unified
administrative proceeding. The Servicer will be obligated to act as "tax matters
person," as  defined in  applicable Treasury  regulations, with  respect to  the
REMIC  Pool, in its capacity as either  Residual Holder or agent of the Residual
Holders. If  the Code  or  applicable Treasury  regulations  do not  permit  the
Servicer  to act as tax matters person in  its capacity as agent of the Residual
Holders, the Residual Holder chosen by the Residual Holders or such other person
specified pursuant  to Treasury  regulations  will be  required  to act  as  tax
matters person.
 
LIMITATIONS ON DEDUCTION OF CERTAIN EXPENSES
 
    An  investor  who is  an individual,  estate,  or trust  will be  subject to
limitation with respect to certain itemized deductions described in Code Section
67,   to    the    extent    that   such    itemized    deductions,    in    the
 
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<PAGE>
aggregate,  do  not  exceed  2%  of the  investor's  adjusted  gross  income. In
addition, Code Section 68 provides that itemized deductions otherwise  allowable
for  a taxable year of  an individual taxpayer will be  reduced by the lesser of
(i) 3% of the excess, if any, of adjusted gross income over $100,000 ($50,000 in
the case of a married individual filing  a separate return), or (ii) 80% of  the
amount  of itemized deductions otherwise allowable for such year. In the case of
a REMIC Pool, such deductions may include deductions under Code Section 212  for
the  Servicing Fee  and all  administrative and  other expenses  relating to the
REMIC Pool, or any similar expenses allocated to the REMIC Pool with respect  to
a  regular interest  it holds  in another REMIC.  Such investors  who hold REMIC
Certificates either directly or indirectly through certain pass-through entities
may have their pro rata share of  such expenses allocated to them as  additional
gross  income, but may be subject to such limitation on deductions. In addition,
such  expenses  are  not  deductible  at  all  for  purposes  of  computing  the
alternative  minimum  tax,  and  may  cause  such  investors  to  be  subject to
significant additional  tax liability.  Temporary Treasury  regulations  provide
that  the additional gross income and corresponding amount of expenses generally
are to be allocated entirely to the holders of Residual Certificates in the case
of a  REMIC Pool  that would  not qualify  as a  fixed investment  trust in  the
absence  of  a  REMIC  election.  However,  such  additional  gross  income  and
limitation on deductions will apply to the allocable portion of such expenses to
holders of Regular Certificates,  as well as  holders of Residual  Certificates,
where  such  Regular Certificates  are issued  in  a manner  that is  similar to
pass-through  certificates  in  a  fixed  investment  trust.  In  general,  such
allocable   portion  will  be  determined  based  on  the  ratio  that  a  REMIC
Certificateholder's income, determined on a daily basis, bears to the income  of
all  holders of Regular Certificates and Residual Certificates with respect to a
REMIC  Pool.  As  a  result,  individuals,  estates  or  trusts  holding   REMIC
Certificates   (either  directly   or  indirectly   through  a   grantor  trust,
partnership, S  corporation,  REMIC,  or  certain  other  pass-through  entities
described  in  the foregoing  temporary Treasury  regulations) may  have taxable
income in excess  of the  interest income at  the pass-through  rate on  Regular
Certificates  that are issued  in a single class  or otherwise consistently with
fixed investment trust status or in excess of cash distributions for the related
period on Residual Certificates.
 
TAXATION OF CERTAIN FOREIGN INVESTORS
 
  REGULAR CERTIFICATES
 
    Interest,  including  original  issue  discount,  distributable  to  Regular
Certificateholders  who are non-resident aliens,  foreign corporations, or other
Non-U.S. Persons (as  defined below),  will be  considered "portfolio  interest"
and,  therefore, generally will not be  subject to 30% United States withholding
tax, provided that such  Non-U.S. Person (i) is  not a "10-percent  shareholder"
within  the  meaning  of  Code  Section  871(h)(3)(B)  or  a  controlled foreign
corporation described  in  Code  Section  881(c)(3)(C)  and  (ii)  provides  the
Trustee, or the person who would otherwise be required to withhold tax from such
distributions  under Code Section  1441 or 1442,  with an appropriate statement,
signed under penalties of perjury, identifying the beneficial owner and stating,
among other things, that  the beneficial owner of  the Regular Certificate is  a
Non-U.S.  Person. If  such statement,  or any  other required  statement, is not
provided, 30% withholding will apply unless reduced or eliminated pursuant to an
applicable tax  treaty or  unless the  interest on  the Regular  Certificate  is
effectively  connected with the conduct of a trade or business within the United
States by such Non-U.S. Person. In the latter case, such Non-U.S. Person will be
subject to United States federal income tax at regular rates. Investors who  are
Non-U.S.  Persons should consult  their own tax  advisors regarding the specific
tax consequences to  them of owning  a Regular Certificate.  The term  "Non-U.S.
Person" means any person who is not a U.S. Person.
 
  RESIDUAL CERTIFICATES
 
    The  Conference Committee Report to the 1986 Act indicates that amounts paid
to Residual  Holders  who are  Non-U.S.  Persons  are treated  as  interest  for
purposes  of  the 30%  (or  lower treaty  rate)  United States  withholding tax.
Treasury regulations provide  that amounts distributed  to Residual Holders  may
qualify as "portfolio interest", subject to the conditions described in "Regular
Certificates"  above, but only  to the extent  that (i) the  Mortgage Loans were
issued after July  18, 1984  and (ii)  the Trust  Estate or  segregated pool  of
assets  therein (as to which  a separate REMIC election  will be made), to which
the Residual Certificate
 
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<PAGE>
relates, consists of obligations issued in "registered form" within the  meaning
of  Code Section 163(f)(1).  Generally, Mortgage Loans will  not be, but regular
interests in  another  REMIC Pool  will  be, considered  obligations  issued  in
registered  form. Furthermore,  a Residual  Holder will  not be  entitled to any
exemption from the 30% withholding tax (or  lower treaty rate) to the extent  of
that portion of REMIC taxable income that constitutes an "excess inclusion." See
"Taxation  of Residual Certificates--Limitations on Offset or Exemption of REMIC
Income." If the amounts  paid to Residual Holders  who are Non-U.S. Persons  are
effectively  connected with the conduct of a trade or business within the United
States by such Non-U.S. Persons, 30% (or lower treaty rate) withholding will not
apply. Instead, the  amounts paid to  such Non-U.S. Persons  will be subject  to
United States federal income tax at regular rates. If 30% (or lower treaty rate)
withholding is applicable, such amounts generally will be taken into account for
purposes  of withholding  only when paid  or otherwise distributed  (or when the
Residual Certificate is  disposed of)  under rules similar  to withholding  upon
disposition   of  debt  instruments  that  have  original  issue  discount.  See
"Tax-Related  Restrictions   on  Transfer   of  Residual   Certificates--Foreign
Investors"  above  concerning the  disregard  of certain  transfers  having "tax
avoidance potential." Investors  who are Non-U.S.  Persons should consult  their
own  tax  advisors regarding  the specific  tax consequences  to them  of owning
Residual Certificates.
 
BACKUP WITHHOLDING
 
    Distributions made on the Regular  Certificates, and proceeds from the  sale
of  the Regular Certificates to or through  certain brokers, may be subject to a
"backup" withholding tax under Code Section 3406 of 20% on "reportable payments"
(including interest distributions, original  issue discount, and, under  certain
circumstances,  principal  distributions) unless  the  Regular Certificateholder
complies with certain reporting  and/or certification procedures, including  the
provision of its taxpayer identification number to the Trustee, its agent or the
broker   who   effected  the   sale  of   the   Regular  Certificate,   or  such
Certificateholder is otherwise an  exempt recipient under applicable  provisions
of  the Code.  Pursuant to the  Energy Policy  Act of 1992,  enacted October 24,
1992, the rate of backup withholding under Code Section 3406 will increase  from
20% to 31% for reportable payments made on or after January 1, 1993. Any amounts
to  be withheld from distribution on  the Regular Certificates would be refunded
by the  Internal Revenue  Service or  allowed as  a credit  against the  Regular
Certificateholder's federal income tax liability.
 
REPORTING REQUIREMENTS
 
    Reports  of  accrued  interest,  original  issue  discount  and  information
necessary to compute the accrual of market discount will be made annually to the
Internal  Revenue   Service  and   to  individuals,   estates,  non-exempt   and
non-charitable  trusts, and  partnerships who  are either  holders of  record of
Regular Certificates or beneficial owners who own Regular Certificates through a
broker or middleman as nominee. All  brokers, nominees and all other  non-exempt
holders  of record of Regular Certificates (including corporations, non-calendar
year taxpayers,  securities  or  commodities  dealers,  real  estate  investment
trusts,  investment  companies,  common  trust  funds,  thrift  institutions and
charitable trusts)  may request  such information  for any  calendar quarter  by
telephone  or in writing by contacting the person designated in Internal Revenue
Service  Publication  938  with  respect  to  a  particular  Series  of  Regular
Certificates.  Holders through nominees  must request such  information from the
nominee.
 
    The Internal Revenue  Service's Form  1066 has an  accompanying Schedule  Q,
Quarterly  Notice to  Residual Interest Holders  of REMIC Taxable  Income or Net
Loss Allocation. Treasury regulations  require that Schedule  Q be furnished  by
the  REMIC Pool to  each Residual Holder by  the end of  the month following the
close of  each calendar  quarter  (41 days  after the  end  of a  quarter  under
proposed Treasury regulations) in which the REMIC Pool is in existence.
 
    Treasury   regulations   require  that,   in   addition  to   the  foregoing
requirements, information  must  be  furnished quarterly  to  Residual  Holders,
furnished annually, if applicable, to holders of Regular Certificates, and filed
annually  with the Internal Revenue Service  concerning Code Section 67 expenses
(see "Limitations on  Deduction of  Certain Expenses" above)  allocable to  such
holders. Furthermore, under such regulations,
 
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<PAGE>
information  must be furnished quarterly to Residual Holders, furnished annually
to holders of Regular Certificates, and filed annually with the Internal Revenue
Service concerning  the  percentage  of  the REMIC  Pool's  assets  meeting  the
qualified asset tests described above under "Status of REMIC Certificates."
 
                FEDERAL INCOME TAX CONSEQUENCES FOR CERTIFICATES
                     AS TO WHICH NO REMIC ELECTION IS MADE
 
STANDARD CERTIFICATES
 
  GENERAL
 
    In  the  event that  no  election is  made  to treat  a  Trust Estate  (or a
segregated pool  of  assets  therein)  with respect  to  a  Series  of  Standard
Certificates  as a REMIC, the Trust Estate will be classified as a grantor trust
under subpart E, Part 1  of subchapter J of the  Code and not as an  association
taxable as a corporation. Where there is no Fixed Retained Yield with respect to
the  Mortgage  Loans underlying  the Certificates  of a  Series, and  where such
Certificates are not designated  as "Stripped Certificates"  the holder of  each
such  Certificate in  such Series  will be treated  as the  owner of  a pro rata
undivided interest  in the  ordinary income  and corpus  portions of  the  Trust
Estate  represented  by  his Standard  Certificate  and will  be  considered the
beneficial owner of a pro rata undivided interest in each of the Mortgage Loans,
subject to the  discussion below under  "Recharacterization of Servicing  Fees."
Accordingly, the holder of a Standard Certificate of a particular Series will be
required  to report on its  federal income tax return its  pro rata share of the
entire income from the Mortgage  Loans represented by his Standard  Certificate,
including  interest at  the coupon rate  on such Mortgage  Loans, original issue
discount (if any), prepayment  fees, assumption fees,  and late payment  charges
received  by the Servicer, in  accordance with such Standard Certificateholder's
method of accounting.  A Standard  Certificateholder generally will  be able  to
deduct  its share of the Servicing Fee and all administrative and other expenses
of the Trust Estate in accordance  with its method of accounting, provided  that
such  amounts are  reasonable compensation for  services rendered  to that Trust
Estate. However,  investors  who are  individuals,  estates or  trusts  who  own
Standard   Certificates,   either   directly  or   indirectly   through  certain
pass-through entities, will  be subject  to limitation with  respect to  certain
itemized  deductions described  in Code  Section 67,  including deductions under
Code Section 212  for the Servicing  Fee and all  such administrative and  other
expenses  of  the Trust  Estate,  to the  extent  that such  deductions,  in the
aggregate, do not exceed two percent of an investor's adjusted gross income.  In
addition,  Code Section 68 provides that itemized deductions otherwise allowable
for a taxable year of  an individual taxpayer will be  reduced by the lesser  of
(i) 3% of the excess, if any, of adjusted gross income over $100,000 ($50,000 in
the  case of a married individual filing a  separate return), or (ii) 80% of the
amount of itemized deductions  otherwise allowable for such  year. As a  result,
such  investors holding Standard Certificates,  directly or indirectly through a
pass-through entity,  may  have  aggregate  taxable  income  in  excess  of  the
aggregate  amount of cash received on such Standard Certificates with respect to
interest at  the  pass-through rate  or  as  discount income  on  such  Standard
Certificates.  In addition, such expenses are not deductible at all for purposes
of computing the  alternative minimum tax,  and may cause  such investors to  be
subject  to significant additional tax liability. Moreover, where there is Fixed
Retained Yield  with  respect to  the  Mortgage  Loans underlying  a  Series  of
Standard  Certificates or where  the servicing fees are  in excess of reasonable
servicing compensation, the transaction  will be subject  to the application  of
the  "stripped bond" and "stripped coupon" rules of the Code, as described below
under  "Stripped  Certificates"  and  "Recharacterization  of  Servicing  Fees,"
respectively.
 
  TAX STATUS
 
    Cadwalader, Wickersham & Taft has advised the Seller that:
 
        1.    A Standard  Certificate  owned by  a  "domestic building  and loan
    association"  within  the  meaning  of  Code  Section  7701(a)(19)  will  be
    considered to represent "loans...secured by an interest
 
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<PAGE>
    in  real  property" within  the meaning  of Code  Section 7701(a)(19)(C)(v),
    provided that the real property  securing the Mortgage Loans represented  by
    that  Standard Certificate is of  the type described in  such section of the
    Code.
 
        2.  A Standard Certificate owned by a financial institution described in
    Code Section  593(a)  will  be  considered  to  represent  "qualifying  real
    property  loans" within the meaning of Code Section 593(d)(1), provided that
    the real property securing the  Mortgage Loans represented by that  Standard
    Certificate is of the type described in such section of the Code.
 
        3.   A Standard Certificate owned by a real estate investment trust will
    be considered to represent "real estate  assets" within the meaning of  Code
    Section  856(c)(5)(A) to  the extent  that the  assets of  the related Trust
    Estate consist of qualified assets, and interest income on such assets  will
    be  considered  "interest  on  obligations  secured  by  mortgages  on  real
    property" within the meaning of Code Section 856(c)(3)(B).
 
        4.   A Standard  Certificate owned  by  a REMIC  will be  considered  to
    represent  an  "obligation (including  any  participation or  certificate of
    beneficial ownership therein) which is principally secured by an interest in
    real property"  within the  meaning  of Code  Section 860G(a)(3)(A)  to  the
    extent  that the  assets of the  related Trust Estate  consist of "qualified
    mortgages" within the meaning of Code Section 860G(a)(3).
 
    An issue arises as to whether  Buy-Down Loans may be characterized in  their
entirety under the Code provisions cited in the immediately preceding paragraph.
Code Section 593(d)(1)(C) provides that the term "qualifying real property loan"
does  not include a loan "to the extent secured  by a deposit in or share of the
taxpayer." The application of  this provision to a  Buy-Down Fund is  uncertain,
but  may require that a  taxpayer's investment in a  Buy-Down Loan be reduced by
the Buy-Down Fund.  As to the  treatment of Buy-Down  Loans as "qualifying  real
property  loans" under Code  Section 593(d)(1) if the  exception of Code Section
593(d)(1)(C) is  inapplicable,  as  "loans...secured  by  an  interest  in  real
property"  under Code Section  7701(a)(19)(C)(v), as "real  estate assets" under
Code Section 856(c)(5)(A), and as "obligation[s] . . . principally secured by an
interest in real property" under  Code Section 860G(a)(3)(A), there is  indirect
authority  supporting treatment of an investment  in a Buy-Down Loan as entirely
secured by real property if the fair market value of the real property  securing
the  loan exceeds the  principal amount of the  loan at the  time of issuance or
acquisition, as  the case  may be.  There  is no  assurance that  the  treatment
described above is proper. Accordingly, Standard Certificateholders are urged to
consult  their own tax  advisors concerning the effects  of such arrangements on
the characterization of such Standard Certificateholder's investment for federal
income tax purposes.
 
  PREMIUM AND DISCOUNT
 
    Standard Certificateholders are advised to  consult with their tax  advisors
as  to the federal income  tax treatment of premium  and discount arising either
upon initial acquisition of Standard Certificates or thereafter.
 
    PREMIUM.  The treatment of premium incurred upon the purchase of a  Standard
Certificate  will  be determined  generally  as described  above  under "Federal
Income  Tax   Consequences   for  REMIC   Certificates--Taxation   of   Residual
Certificates--Premium."
 
    ORIGINAL  ISSUE  DISCOUNT.    The Internal  Revenue  Service  has  stated in
published rulings that, in circumstances similar to those described herein,  the
original   issue   discount   rules   will   be   applicable   to   a   Standard
Certificateholder's interest in those Mortgage Loans as to which the  conditions
for  the  application  of  those  sections  are  met.  Rules  regarding periodic
inclusion of  original issue  discount  income are  applicable to  mortgages  of
corporations originated after May 27, 1969, mortgages of noncorporate mortgagors
(other  than  individuals)  originated  after July  1,  1982,  and  mortgages of
individuals originated after March 2,  1984. Such original issue discount  could
arise  by  the charging  of  points by  the originator  of  the mortgages  in an
 
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amount greater than  a statutory DE  MINIMIS exception, to  the extent that  the
points  are not currently deductible under applicable Code provisions or are not
for services  provided by  the  lender. It  is  generally not  anticipated  that
adjustable  rate Mortgage  Loans will be  treated as issued  with original issue
discount. However, the application of the Proposed OID Regulations to adjustable
rate mortgage loans with incentive interest rates or annual or lifetime interest
rate caps is unclear and  may result in original  issue discount if not  further
clarified.
 
    Original  issue discount must generally be reported as ordinary gross income
as it  accrues under  a constant  interest method  that takes  into account  the
compounding  of interest,  in advance of  the cash attributable  to such income.
However, Code Section 1272  provides for a reduction  in the amount of  original
issue  discount  includible in  the income  of  a holder  of an  obligation that
acquires the obligation after its initial  issuance at a price greater than  the
sum  of  the original  issue  price and  the  previously accrued  original issue
discount, less prior payments of principal. Accordingly, if such Mortgage  Loans
acquired  by a Standard Certificateholder are purchased  at a price equal to the
then unpaid principal amount of such Mortgage Loans, no original issue  discount
attributable  to  the  difference  between  the  issue  price  and  the original
principal amount of  such Mortgage Loans  (I.E., points) will  be includible  by
such holder.
 
    MARKET  DISCOUNT.  Standard  Certificateholders also will  be subject to the
market discount rules to the extent that the conditions for application of those
sections are met. Market discount on  the Mortgage Loans will be determined  and
will  be reported  as ordinary  income generally  in the  manner described above
under "Federal  Income  Tax  Consequences for  REMIC  Certificates--Taxation  of
Residual Certificates--Market Discount."
 
    RECHARACTERIZATION  OF SERVICING  FEES.  If  the servicing fees  paid to the
Servicer were deemed to exceed reasonable servicing compensation, the amount  of
such  excess  would be  nondeductible under  Code  Section 162  or 212.  In this
regard, there are no authoritative guidelines for federal income tax purposes as
to either the maximum  amount of servicing compensation  that may be  considered
reasonable  in the context  of this or  similar transactions or  whether, in the
case of the Standard Certificate,  the reasonableness of servicing  compensation
should  be determined on a weighted average or loan-by-loan basis. If a loan-by-
loan basis  is  appropriate,  the  likelihood  that  such  amount  would  exceed
reasonable  servicing compensation  as to  some of  the Mortgage  Loans would be
increased. Recently issued  Internal Revenue Service  guidance indicates that  a
servicing  fee in  excess of  reasonable compensation  ("excess servicing") will
cause the Mortgage  Loans to be  treated under the  "stripped bond" rules.  Such
guidance  provides  safe  harbors  for servicing  deemed  to  be  reasonable and
requires taxpayers to demonstrate that the value of servicing fees in excess  of
such amounts is not greater than the value of the services provided.
 
    Accordingly,  if  the  Internal  Revenue  Service's  approach  is  upheld, a
Servicer who receives a servicing fee in excess of such amounts would be  viewed
as  retaining an ownership interest in a portion of the interest payments on the
Mortgage Loans.  Under  the  rules  of Code  Section  1286,  the  separation  of
ownership  of the right  to receive some or  all of the  interest payments on an
obligation from the right to  receive some or all  of the principal payments  on
the  obligation would  result in treatment  of such Mortgage  Loans as "stripped
coupons" and "stripped bonds."  Each stripped bond or  stripped coupon could  be
considered  for this purpose as a  non-interest bearing obligation issued on the
date of issue  of the  Standard Certificates,  and the  original issue  discount
rules   of  the  Code  would  apply   to  the  holder  thereof.  While  Standard
Certificateholders would still be treated as owners of beneficial interests in a
grantor trust for federal income tax purposes, the corpus of such trust could be
viewed as excluding the portion of the Mortgage Loans the ownership of which  is
attributed  to the Servicer, or  as including such portion  as a second class of
equitable interest. Applicable Treasury regulations treat such an arrangement as
a fixed investment trust, since the  multiple classes of trust interests  should
be treated as merely facilitating direct investments in the trust assets and the
existence  of  multiple classes  of ownership  interests  is incidental  to that
purpose. In general, such a  recharacterization should not have any  significant
effect upon the timing or amount of income
 
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<PAGE>
reported  by a Standard Certificateholder, except  that the income reported by a
cash method  holder may  be slightly  accelerated. See  "Stripped  Certificates"
below  for a further description of the federal income tax treatment of stripped
bonds and stripped coupons.
 
    In the alternative, the amount, if any, by which the servicing fees paid  to
the Servicer are deemed to exceed reasonable compensation for servicing could be
treated   as   deferred   payments   of   purchase   price   by   the   Standard
Certificateholders to  the Seller  to  purchase its  undivided interest  in  the
Mortgage  Loans. In  such event, the  present value of  such additional payments
might be included in  the Standard Certificateholder's  basis in such  undivided
interests  for  purposes of  determining  whether the  Standard  Certificate was
acquired at  a  discount, at  par,  or at  a  premium. Under  this  alternative,
Standard  Certificateholders may  also be entitled  to a  deduction for unstated
interest with respect to each deferred payment. The Internal Revenue Service may
take the position that  the specific statutory provisions  of Code Section  1286
described  above override the alternative  described in this paragraph. Standard
Certificateholders are advised to  consult their tax advisors  as to the  proper
treatment  of the amounts paid to the  Servicer as set forth herein as servicing
compensation or under either of the alternatives set forth above.
 
  SALE OR EXCHANGE OF STANDARD CERTIFICATES
 
    Upon  sale   or   exchange   of   a   Standard   Certificate,   a   Standard
Certificateholder  will recognize gain  or loss equal  to the difference between
the amount realized on the sale and its aggregate adjusted basis in the Mortgage
Loans and other assets represented by the Standard Certificate. In general,  the
aggregate  adjusted basis will  equal the Standard  Certificateholder's cost for
the Standard  Certificate, increased  by  the amount  of any  income  previously
reported with respect to the Standard Certificate and decreased by the amount of
any  losses previously reported with respect to the Standard Certificate and the
amount of  any distributions  received thereon.  Except as  provided above  with
respect  to  market  discount on  any  Mortgage  Loans, and  except  for certain
financial institutions subject  to the  provisions of Code  Section 582(c),  any
such  gain or loss would be capital gain or loss if the Standard Certificate was
held as a capital asset. The preferential rates applicable to long-term  capital
gains  were eliminated by the  Tax Reform Act of 1986,  but were restored by the
Revenue Reconciliation Act of 1990 with respect to certain individuals.
 
STRIPPED CERTIFICATES
 
  GENERAL
 
    Pursuant to Code Section 1286, the  separation of ownership of the right  to
receive some or all of the principal payments on an obligation from ownership of
the  right  to receive  some  or all  of the  interest  payments results  in the
creation of "stripped bonds"  with respect to  principal payments and  "stripped
coupons"  with respect  to interest payments.  For purposes  of this discussion,
Certificates that are subject  to those rules will  be referred to as  "Stripped
Certificates." The Certificates will be subject to those rules if (i) the Seller
or  any  of its  affiliates  retains (for  its own  account  or for  purposes of
resale), in the form of Fixed Retained Yield or otherwise, an ownership interest
in a portion of the  payments on the Mortgage Loans,  (ii) the Seller or any  of
its  affiliates is treated as having an ownership interest in the Mortgage Loans
to the  extent it  is paid  (or  retains) servicing  compensation in  an  amount
greater  than  reasonable consideration  for servicing  the Mortgage  Loans (see
"Standard Certificates--Recharacterization of  the Servicing  Fees" above),  and
(iii)  a Class of Certificates  are issued in two  or more Classes or Subclasses
representing the right to non-pro-rata percentages of the interest and principal
payments on the Mortgage Loans.
 
    In general, a  holder of a  Stripped Certificate will  be considered to  own
"stripped  bonds" with respect to its pro rata  share of all or a portion of the
principal payments on each Mortgage Loan and/or "stripped coupons" with  respect
to  its pro  rata share of  all or  a portion of  the interest  payments on each
Mortgage Loan,  including  the Stripped  Certificate's  allocable share  of  the
servicing  fees paid  to the  Servicer, to the  extent that  such fees represent
reasonable compensation  for  services  rendered.  See  discussion  above  under
"Standard  Certificates--Recharacterization of Servicing Fees." For this purpose
the servicing fees will be allocated to the Stripped Certificates in  proportion
to the respective offering price of each Class (or
 
                                       87
<PAGE>
Subclass)  of  Stripped  Certificates.  The  holder  of  a  Stripped Certificate
generally will be entitled to a deduction each year in respect of the  servicing
fees, as described above under "Standard Certificates-- General," subject to the
limitation described therein.
 
    Code  Section 1286 treats a stripped bond  or a stripped coupon generally as
an obligation  issued  at an  original  issue discount  on  the date  that  such
stripped  interest is purchased. Although the treatment of Stripped Certificates
for federal income tax purposes is not  clear in certain respects at this  time,
particularly  where  such Stripped  Certificates are  issued  with respect  to a
Mortgage Pool  containing  variable-rate Mortgage  Loans,  the Seller  has  been
advised  by counsel that (i) the Trust Estate will be treated as a grantor trust
under subpart E, Part I  of subchapter J of the  Code and not as an  association
taxable  as a corporation, and (ii)  each Stripped Certificate should be treated
as a single installment  obligation for purposes  of calculating original  issue
discount  and  gain or  loss  on disposition.  This  treatment is  based  on the
interrelationship of Code Section 1286, Code Sections 1272 through 1275, and the
Proposed OID  Regulations.  While  under Code  Section  1286  computations  with
respect  to Stripped  Certificates arguably  should be made  in one  of the ways
described below under "Taxation  of Stripped Certificates--Possible  Alternative
Characterizations,"  the Proposed  OID Regulations  state, in  general, that all
debt instruments issued in connection with the same transaction must be  treated
as  a single debt instrument. The  Pooling and Servicing Agreement requires that
the Trustee  make  and  report  all  computations  described  below  using  this
aggregate approach, unless substantial legal authority requires otherwise.
 
    Furthermore, proposed Treasury regulations issued August 8, 1991 support the
treatment  of a Stripped Certificate  as a single debt  instrument issued on the
date it is originated for purposes  of calculating any original issue  discount.
In  addition,  under these  proposed  regulations, a  Stripped  Certificate that
represents a right  to payments  of both interest  and principal  may be  viewed
either  as issued with original issue  discount or market discount (as described
below), at a DE MINIMIS original  issue discount, or, presumably, at a  premium.
This  treatment  suggests  that  the  interest  component  of  such  a  Stripped
Certificate would be treated as  qualified periodic interest under the  Proposed
OID  Regulations. Further, the August 1991 proposed regulations provide that the
purchaser of such  a Stripped Certificate  will be required  to account for  any
discount  as market discount  rather than original issue  discount if either (i)
the initial discount  with respect to  the Stripped Certificate  was treated  as
zero  under the DE MINIMIS rule, or (ii) no more than 100 basis points in excess
of reasonable servicing  is stripped off  the related Mortgage  Loans. Any  such
market discount would be reportable as described above under "Federal Income Tax
Consequences  for REMIC  Certificates--Taxation of  Regular Certificates--Market
Discount," without regard to  the DE MINIMIS rule  therein. Pursuant to  Revenue
Procedure  91-49, issued August 8, 1991,  investors using a method of accounting
inconsistent with the above treatment must change their method of accounting and
request the  consent  to  the Internal  Revenue  Service  to such  change  on  a
statement  attached to  their first timely  federal income tax  returned for the
first tax year ending after August 8, 1991.
 
  STATUS OF STRIPPED CERTIFICATES
 
    No specific  legal authority  exists  as to  whether  the character  of  the
Stripped Certificates, for federal income tax purposes, will be the same as that
of  the Mortgage Loans. Although  the issue is not  free from doubt, counsel has
advised the Seller that Stripped Certificates owned by applicable holders should
be considered to represent "qualifying  real property loans" within the  meaning
of  Code  Section 593(d)(1),  "real estate  assets" within  the meaning  of Code
Section 856(c)(5)(A), "obligation[s] . . . principally secured by an interest in
real  property"  within   the  meaning  of   Code  Section  860G(a)(3)(A),   and
"loans...secured  by an  interest in real  property" within the  meaning of Code
Section 7701(a)(19)(C)(v),  and  interest (including  original  issue  discount)
income  attributable to Stripped Certificates  should be considered to represent
"interest on  obligations secured  by  mortgages on  real property"  within  the
meaning  of Code Section  856(c)(3)(B), provided that in  each case the Mortgage
Loans and  interest on  such  Mortgage Loans  qualify  for such  treatment.  The
application  of  such  Code  provisions  to  Buy-Down  Loans  is  uncertain. See
"Standard Certificates--Tax Status" above.
 
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<PAGE>
  TAXATION OF STRIPPED CERTIFICATES
 
    ORIGINAL ISSUE DISCOUNT.   Except as described  above under "General,"  each
Stripped Certificate will be considered to have been issued at an original issue
discount  for federal income tax purposes.  Original issue discount with respect
to a Stripped Certificate must be included in ordinary income as it accrues,  in
accordance  with  a  constant  interest  method  that  takes  into  account  the
compounding of  interest,  which  may  be  prior to  the  receipt  of  the  cash
attributable  to such income. Based in part  on the Proposed OID Regulations and
the amendments to the original issue discount  sections of the Code made by  the
1986  Act, counsel  has advised  the Seller  that the  amount of  original issue
discount required  to be  included  in the  income of  a  holder of  a  Stripped
Certificate  (referred to in this  discussion as a "Stripped Certificateholder")
in any taxable year likely will  be computed generally as described above  under
"Federal  Income Tax  Consequences for  REMIC Certificates--Taxation  of Regular
Certificates--Original Issue Discount" and
"--Variable Rate Regular Certificates." However, with the apparent exception  of
a  Stripped  Certificate  issued  with DE  MINIMIS  original  issue  discount as
described above under "General," the issue price of a Stripped Certificate  will
be  the purchase price  paid by each  holder thereof, and  the stated redemption
price at maturity will include the aggregate  amount of the payments to be  made
on the Stripped Certificate to such Stripped Certificateholder, presumably under
the Prepayment Assumption.
 
    If  the Mortgage Loans  prepay at a  rate either faster  or slower than that
under the Prepayment Assumption,  a Stripped Certificateholder's recognition  of
original issue discount will be either accelerated or decelerated and the amount
of  such original issue discount will be either increased or decreased depending
on the  relative interests  in  principal and  interest  on each  Mortgage  Loan
represented by such Stripped Certificateholder's Stripped Certificate. While the
matter  is not free from  doubt, the holder of  a Stripped Certificate should be
entitled in the year that it  becomes certain (assuming no further  prepayments)
that  the  holder will  not  recover a  portion of  its  adjusted basis  in such
Stripped Certificate to  recognize an  ordinary loss  equal to  such portion  of
unrecoverable basis.
 
    As  an alternative to the method described  above, the fact that some or all
of the interest payments with respect  to the Stripped Certificates will not  be
made  if the Mortgage  Loans are prepaid  could lead to  the interpretation that
such interest payments are "contingent" within  the meaning of the Proposed  OID
Regulations. If the rules of the Proposed OID Regulations relating to contingent
payments  apply, treatment of a Stripped Certificate under such rules depends on
whether the aggregate amount of  principal payments, if any,  to be made on  the
Stripped  Certificate  is less  than or  greater  than its  issue price.  If the
aggregate principal payments are greater than  or equal to the issue price,  the
principal  payments would be treated as a separate installment obligation issued
at a price equal  to the purchase  price for the  Stripped Certificate. In  such
case,  original issue discount would be  calculated and accrued under the method
described above without consideration of  the interest payments with respect  to
the  Stripped Certificate. Such payments of  interest would be includible in the
Stripped Certificateholder's  gross income  in  the taxable  year in  which  the
amounts  become fixed. If the aggregate amount  of principal payments to be made
on the  Stripped Certificate  is less  than  its issue  price, each  payment  of
principal  would be treated as a return of basis. Each payment of interest would
be treated as includible in gross income to the extent of the applicable Federal
rate under  Code  Section 1274(d),  as  applied to  the  adjusted basis  of  the
Stripped Certificate, while amounts received in excess of the applicable Federal
rate,  as applied to  the adjusted basis  of the Stripped  Certificate, would be
characterized as a return of basis  until the total amount of interest  payments
treated  as a return of basis equalled the excess of the purchase price over the
aggregate stated principal payments. Any additional interest payments thereafter
would be treated as ordinary income. While not free from doubt, counsel for  the
Seller  believes that  uncertainty as  to the payment  of interest  arising as a
result of the possibility of prepayment  of the Mortgage Loans should not  cause
the  contingent payment  rules under  the Proposed  OID Regulations  to apply to
interest with respect to the Stripped Certificates.
 
    SALE OR EXCHANGE OF STRIPPED CERTIFICATES.   Sale or exchange of a  Stripped
Certificate  prior to  its maturity  will result  in gain  or loss  equal to the
difference, if any, between the amount received and the
 
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Stripped Certificateholder's  adjusted basis  in such  Stripped Certificate,  as
described   above   under   "Federal   Income   Tax   Consequences   for   REMIC
Certificates--Taxation of  Regular  Certificates--Sale or  Exchange  of  Regular
Certificates."  To the  extent that a  subsequent purchaser's  purchase price is
exceeded by the remaining payments on the Stripped Certificates, such subsequent
purchaser will be required for federal income tax purposes to accrue and  report
such excess as if it were original issue discount in the manner described above.
It  is not clear for this purpose whether the assumed prepayment rate that is to
be used  in the  case of  a Stripped  Certificateholder other  than an  original
Stripped  Certificateholder should  be the Prepayment  Assumption or  a new rate
based on the circumstances at the date of subsequent purchase.
 
    PURCHASE OF MORE THAN ONE CLASS OF STRIPPED CERTIFICATES.  Where an investor
purchases more than one Class of Stripped Certificates, it is currently  unclear
whether  for federal income  tax purposes such  Classes of Stripped Certificates
should be treated separately or aggregated  for purposes of the rules  described
above.
 
    POSSIBLE  ALTERNATIVE  CHARACTERIZATIONS.    The  characterizations  of  the
Stripped Certificates discussed above are not the only possible  interpretations
of  the applicable Code provisions.  For example, the Stripped Certificateholder
may be treated as the owner of (i) one installment obligation consisting of such
Stripped Certificate's pro rata share of the payments attributable to  principal
on  each Mortgage  Loan and a  second installment obligation  consisting of such
Stripped Certificate's pro rata share  of the payments attributable to  interest
on  each Mortgage Loan, (ii) as many stripped bonds or stripped coupons as there
are scheduled payments of  principal and/or interest on  each Mortgage Loan,  or
(iii) a separate installment obligation for each Mortgage Loan, representing the
Stripped  Certificate's pro rata share of  payments of principal and/or interest
to be  made with  respect thereto.  Alternatively,  the holder  of one  or  more
Classes  of Stripped  Certificates may  be treated  as the  owner of  a pro rata
fractional undivided interest  in each  Mortgage Loan  to the  extent that  such
Stripped  Certificate,  or Classes  of Stripped  Certificates in  the aggregate,
represent the  same pro  rata portion  of principal  and interest  on each  such
Mortgage  Loan, and  a stripped bond  or stripped  coupon (as the  case may be),
treated as an installment obligation or contingent payment obligation, as to the
remainder.
 
    Because of these possible varying characterizations of Stripped Certificates
and  the  resultant   differing  treatment  of   income  recognition,   Stripped
Certificateholders  are urged  to consult their  own tax  advisors regarding the
proper treatment of Stripped Certificates for federal income tax purposes.
 
REPORTING REQUIREMENTS AND BACKUP WITHHOLDING
 
    The Trustee will  furnish, within a  reasonable time after  the end of  each
calendar  year, to each Standard Certificateholder or Stripped Certificateholder
at any time during such year, such information (prepared on the basis  described
above)  as  the  Trustee deems  to  be  necessary or  desirable  to  enable such
Certificateholders to prepare their federal income tax returns. Such information
will include the amount of original issue discount accrued on Certificates  held
by   persons  other   than  Certificateholders   exempted  from   the  reporting
requirements. The amount required to be reported by the Trustee may not be equal
to the  proper amount  of original  issue discount  required to  be reported  as
taxable income by a Certificateholder, other than an original Certificateholder.
The  Trustee will  also file such  original issue discount  information with the
Internal Revenue Service.  If a  Certificateholder fails to  supply an  accurate
taxpayer  identification number or  if the Secretary  of the Treasury determines
that a  Certificateholder has  not  reported all  interest and  dividend  income
required  to be shown on  his federal income tax  return, 20% backup withholding
(31% on or after January 1, 1993)  may be required in respect of any  reportable
payments,  as described above  under "Federal Income  Tax Consequences for REMIC
Certificates--Backup Withholding."
 
TAXATION OF CERTAIN FOREIGN INVESTORS
 
    To the extent that a Standard Certificate or Stripped Certificate  evidences
ownership in Mortgage Loans that are issued on or before July 18, 1984, interest
or  original issue discount  paid by the  person required to  withhold tax under
Code Section 1441 or 1442 to nonresident aliens, foreign corporations, or  other
non-U.S.  persons ("foreign  persons") generally will  be subject  to 30% United
States withholding tax, or such lower
 
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<PAGE>
rate as  may be  provided for  interest  by an  applicable tax  treaty.  Accrued
original issue discount recognized by the Standard Certificateholder or Stripped
Certificateholder  on the sale  or exchange of  such a Certificate  also will be
subject to federal income tax at the same rate.
 
    Treasury regulations provide that interest  or original issue discount  paid
by  the  Trustee  or other  withholding  agent  to a  foreign  person evidencing
ownership interest  in  Mortgage  Loans  issued after  July  18,  1984  will  be
"portfolio interest" and will be treated in the manner, and such persons will be
subject  to the same  certification requirements described  above under "Federal
Income Tax  Consequences for  REMIC  Certificates--Taxation of  Certain  Foreign
Investors--Regular Certificates."
 
                              ERISA CONSIDERATIONS
 
GENERAL
 
    The  Employee Retirement Income Security Act  of 1974, as amended ("ERISA"),
imposes certain requirements on those employee benefit plans to which it applies
("Plans") and on those persons who  are fiduciaries with respect to such  Plans.
The  following  is  a  general  discussion  of  such  requirements,  and certain
applicable exceptions to and  administrative exemptions from such  requirements.
For  purposes of this discussion, a person  investing on behalf of an individual
retirement account established under Code Section 408 (an "IRA") is regarded  as
a fiduciary and the IRA as a Plan.
 
    Before purchasing any Certificates, a Plan fiduciary should consult with its
counsel  and determine  whether there  exists any  prohibition to  such purchase
under the requirements of ERISA, whether prohibited transaction exemptions  such
as  PTE 83-1  or any  individual administrative  exemption (as  described below)
applies, including whether the appropriate conditions set forth therein would be
met, or whether  any statutory prohibited  transaction exemption is  applicable,
and further should consult the applicable Prospectus Supplement relating to such
Series of Certificates.
 
CERTAIN REQUIREMENTS UNDER ERISA
 
    GENERAL.   In  accordance with  ERISA's general  fiduciary standards, before
investing in a Certificate a Plan fiduciary should determine whether to do so is
permitted under the governing Plan instruments  and is appropriate for the  Plan
in view of its overall investment policy and the composition and diversification
of  its  portfolio.  A  Plan  fiduciary  should  especially  consider  the ERISA
requirement of investment  prudence and  the sensitivity  of the  return on  the
Certificates  to the rate of principal repayments (including prepayments) on the
Mortgage Loans, as discussed in "Prepayment and Yield Considerations" herein.
 
    PARTIES IN INTEREST/DISQUALIFIED  PERSONS.  Other  provisions of ERISA  (and
corresponding  provisions of  the Code) prohibit  certain transactions involving
the assets of a Plan and persons who have certain specified relationships to the
Plan  (so-called  "parties  in  interest"   within  the  meaning  of  ERISA   or
"disqualified persons" within the meaning of the Code). The Seller, the Servicer
or the Trustee or certain affiliates thereof might be considered or might become
"parties  in interest" or "disqualified persons" with  respect to a Plan. If so,
the acquisition or holding of Certificates by or on behalf of such Plan could be
considered to give  rise to  a "prohibited  transaction" within  the meaning  of
ERISA  and the Code  unless an administrative exemption  described below or some
other exemption is available.
 
    Special caution should be exercised before the assets of a Plan are used  to
purchase a Certificate if, with respect to such assets, the Seller, the Servicer
or  the Trustee  or an affiliate  thereof either: (a)  has investment discretion
with respect to the investment of such assets of such Plan; or (b) has authority
or responsibility to give, or regularly gives, investment advice with respect to
such assets for a fee  and pursuant to an  agreement or understanding that  such
advice  will serve as a  primary basis for investment  decisions with respect to
such assets and  that such  advice will be  based on  the particular  investment
needs of the Plan.
 
                                       91
<PAGE>
    DELEGATION  OF FIDUCIARY DUTY.   Further, if the assets  included in a Trust
Estate were  deemed to  constitute Plan  assets, it  is possible  that a  Plan's
investment in the Certificates might be deemed to constitute a delegation, under
ERISA,  of the duty to manage Plan assets by the fiduciary deciding to invest in
the Certificates,  and certain  transactions involved  in the  operation of  the
Trust  Estate might be deemed to  constitute prohibited transactions under ERISA
and the Code. Neither ERISA nor the Code define the term "plan assets."
 
    The U.S. Department of Labor (the "Department") has issued regulations  (the
"Regulations")  concerning whether  or not  a Plan's  assets would  be deemed to
include an interest  in the  underlying assets  of an  entity (such  as a  Trust
Estate)  for  purposes of  the reporting  and  disclosure and  general fiduciary
responsibility provisions of ERISA,  as well as  for the prohibited  transaction
provisions  of ERISA  and the  Code, if the  Plan acquires  an "equity interest"
(such as a Certificate) in such an entity.
 
    Certain exceptions  are provided  in the  Regulations whereby  an  investing
Plan's assets would be deemed merely to include its interest in the Certificates
instead  of being deemed to include an interest in the assets of a Trust Estate.
However, it  cannot be  predicted in  advance nor  can there  be any  continuing
assurance  whether such exceptions may be met,  because of the factual nature of
certain of the  rules set  forth in  the Regulations.  For example,  one of  the
exceptions  in the  Regulations states that  the underlying assets  of an entity
will not  be considered  "plan assets"  if less  than 25%  of the  value of  all
classes  of equity  interests are  held by  "benefit plan  investors," which are
defined as Plans,  IRAs, and employee  benefit plans not  subject to ERISA  (for
example,  governmental plans),  but this  exception is  tested immediately after
each acquisition  of an  equity  interest in  the  entity whether  upon  initial
issuance or in the secondary market.
 
ADMINISTRATIVE EXEMPTIONS
 
    INDIVIDUAL    ADMINISTRATIVE   EXEMPTIONS.       Several   underwriters   of
mortgage-backed securities  have  applied  for  and  obtained  ERISA  prohibited
transaction  exemptions (each, an  "Underwriter's Exemption") which  are in some
respects broader  than Prohibited  Transaction Class  Exemption 83-1  (described
below).  Such  exemptions can  only apply  to mortgage-backed  securities which,
among other  conditions, are  sold in  an offering  with respect  to which  such
underwriter  serves as the  sole or a  managing underwriter, or  as a selling or
placement agent. If  such an Underwriter's  Exemption might be  applicable to  a
Series  of Certificates,  the related Prospectus  Supplement will  refer to such
possibility.
 
    Among the conditions that must  be satisfied for an Underwriter's  Exemption
to apply are the following:
 
        (1) The acquisition of Certificates by a Plan is on terms (including the
    price  for the Certificates) that  are at least as  favorable to the Plan as
    they would be in an arm's length transaction with an unrelated party;
 
        (2) The rights and interests  evidenced by Certificates acquired by  the
    Plan  are not  subordinated to the  rights and interests  evidenced by other
    Certificates of the Trust Estate;
 
        (3) The Certificates acquired by the Plan have received a rating at  the
    time  of such acquisition  that is one  of the three  highest generic rating
    categories  from  either  Standard  &  Poors  Corporation  ("S&P"),  Moody's
    Investors  Service, Inc.  ("Moody's"), Duff &  Phelps Rating  Co. ("D&P") or
    Fitch Investors Service, Inc. ("Fitch");
 
        (4) The Trustee  must not be  an affiliate  of any other  member of  the
    Restricted Group (as defined below);
 
        (5)  The sum of all payments made  to and retained by the underwriter in
    connection with the  distribution of Certificates  represents not more  than
    reasonable  compensation for underwriting  the Certificates. The  sum of all
    payments made to and  retained by the Seller  pursuant to the assignment  of
    the  Mortgage Loans to  the Trust Estate  represents not more  than the fair
    market value of such  Mortgage Loans. The  sum of all  payments made to  and
    retained by the Servicer (and any other servicer)
 
                                       92
<PAGE>
    represents  not more than reasonable compensation for such person's services
    under the Pooling and Servicing Agreement and reimbursement of such person's
    reasonable expenses in connection therewith; and
 
        (6) The Plan investing in  the Certificates is an "accredited  investor"
    as  defined in Rule 501(a)(1) of Regulation D of the Securities and Exchange
    Commission under the Securities Act of 1933.
 
    The Trust Estate must also meet the following requirements:
 
            (i) the assets of the Trust Estate must consist solely of assets  of
       the  type  that  have been  included  in  other investment  pools  in the
       marketplace;
 
           (ii) certificates in such other investment pools must have been rated
       in one of the three highest  rating categories of S&P, Moody's, Fitch  or
       D&P  for  at  least one  year  prior  to the  Plan's  acquisition  of the
       Certificates; and
 
           (iii) certificates  evidencing  interests in  such  other  investment
       pools must have been purchased by investors other than Plans for at least
       one year prior to any Plan's acquisition of the Certificates.
 
    If  the conditions to an  Underwriter's Exemption are met,  whether or not a
Plan's assets would be deemed to  include an ownership interest in the  Mortgage
Loans   in  a  mortgage  pool,  the  acquisition,  holding  and  resale  of  the
Certificates by Plans would be exempt from the prohibited transaction provisions
of ERISA and the Code.
 
    Moreover,  an  Underwriter's  Exemption  can  provide  relief  from  certain
self-dealing/conflict  of interest prohibited  transactions that may  occur if a
Plan fiduciary causes a Plan to acquire Certificates in a Trust Estate in  which
the fiduciary (or its affiliate) is an obligor on the Mortgage Loans held in the
Trust  Estate provided  that, among  other requirements: (i)  in the  case of an
acquisition in connection with  the initial issuance  of Certificates, at  least
fifty  percent of  each class  of Certificates in  which Plans  have invested is
acquired by  persons independent  of the  Restricted Group  and at  least  fifty
percent  of the aggregate  interest in the  Trust Estate is  acquired by persons
independent of the Restricted Group (as defined below); (ii) such fiduciary  (or
its  affiliate) is an obligor  with respect to five percent  or less of the fair
market value of  the Mortgage  Loans contained in  the Trust  Estate; (iii)  the
Plan's  investment  in Certificates  of any  Class  does not  exceed twenty-five
percent of all of the Certificates of that Class outstanding at the time of  the
acquisition  and (iv) immediately after the acquisition no more than twenty-five
percent of  the assets  of the  Plan  with respect  to which  such person  is  a
fiduciary  are invested in Certificates representing  an interest in one or more
trusts containing assets sold or served by the same entity.
 
    An Underwriter's Exemption does not apply to Plans sponsored by the  Seller,
the  underwriter specified in the applicable Prospectus Supplement, the Trustee,
the Servicer, any obligor with respect  to Mortgage Loans included in the  Trust
Estate  constituting  more  than  five  percent  of  the  aggregate  unamortized
principal balance of the assets  in the Trust Estate,  or any affiliate of  such
parties (the "Restricted Group").
 
    PTE   83-1.    Prohibited  Transaction  Class  Exemption  83-1  for  Certain
Transactions Involving  Mortgage Pool  Investment  Trusts ("PTE  83-1")  permits
certain  transactions  involving the  creation,  maintenance and  termination of
certain residential mortgage pools  and the acquisition  and holding of  certain
residential mortgage pool pass-through certificates by Plans, whether or not the
Plan's  assets would be deemed to include an ownership interest in the mortgages
in such mortgage pools, and whether or not such transactions would otherwise  be
prohibited under ERISA.
 
    The  term "mortgage pool pass-through certificate" is defined in PTE 83-1 as
"a certificate  representing a  beneficial undivided  fractional interest  in  a
mortgage  pool and  entitling the holder  of such a  certificate to pass-through
payment of principal and interest from the pooled mortgage loans, less any  fees
retained  by the pool sponsor."  It appears that, for  purposes of PTE 83-1, the
term "mortgage pool pass-through
 
                                       93
<PAGE>
certificate" would include Certificates issued in a single Class or in  multiple
Classes that evidence the beneficial ownership of both a specified percentage of
future interest payments (after permitted deductions) and a specified percentage
of future principal payments on a Trust Estate.
 
    However,  it appears that PTE  83-1 does or might  not apply to the purchase
and holding of (a) Certificates that evidence the beneficial ownership only of a
specified percentage of future interest payments (after permitted deductions) on
a Trust Estate or only of a specified percentage of future principal payments on
a Trust Estate, (b) Residual Certificates, (c) Certificates evidencing ownership
interests in a Trust Estate which includes Mortgage Loans secured by multifamily
residential properties or shares issued by cooperative housing corporations,  or
(d) Certificates which are subordinated to other Classes of Certificates of such
Series.  Accordingly, unless exemptive relief other than PTE 83-1 applies, Plans
should not purchase any such Certificates.
 
    PTE 83-1 sets forth  "general conditions" and  "specific conditions" to  its
applicability.  Section  II  of  PTE  83-1  sets  forth  the  following  general
conditions to the application of the exemption: (i) the maintenance of a  system
of  insurance or other protection for the  pooled mortgage loans or the property
securing such loans, and for indemnifying certificateholders against  reductions
in  pass-through payments due  to property damage or  defaults in loan payments;
(ii) the  existence of  a pool  trustee  who is  not an  affiliate of  the  pool
sponsor;  and  (iii) a  requirement that  the sum  of all  payments made  to and
retained by the pool sponsor, and all  funds inuring to the benefit of the  pool
sponsor  as a result of the administration  of the mortgage pool, must represent
not more  than  adequate  consideration  for selling  the  mortgage  loans  plus
reasonable  compensation for services provided by  the pool sponsor to the pool.
The system  of insurance  or protection  referred to  in clause  (i) above  must
provide  such protection and indemnification  up to an amount  not less than the
greater of one percent of the  aggregate unpaid principal balance of the  pooled
mortgages  or the unpaid principal balance of  the largest mortgage in the pool.
It should be noted that in promulgating PTE 83-1 (and a predecessor  exemption),
the  Department did not have  under its consideration interests  in pools of the
exact nature as some of the Certificates described herein.
 
EXEMPT PLANS
 
    Employee benefit plans which are  governmental plans (as defined in  Section
3(32) of ERISA), and certain church plans (as defined in Section 3(33) of ERISA)
are  not subject to ERISA requirements and  assets of such plans may be invested
in Certificates without regard to  the ERISA considerations described above  but
such  plans may  be subject  to the provisions  of other  applicable federal and
state law.
 
UNRELATED BUSINESS TAXABLE INCOME--RESIDUAL CERTIFICATES
 
    The purchase  of  a  Residual  Certificate  by  any  employee  benefit  plan
qualified  under Code Section 401(a) and exempt from taxation under Code Section
501(a), including most  varieties of ERISA  Plans, may give  rise to  "unrelated
business  taxable  income"  as  described in  Code  Sections  511-515  and 860E.
Further,  prior  to  the  purchase  of  Residual  Certificates,  a   prospective
transferee  may be required to  provide an affidavit to  a transferor that it is
not, nor is it purchasing a  Residual Certificate on behalf of, a  "Disqualified
Organization,"  which term as defined above includes certain tax-exempt entities
not subject to Code Section 511 such as certain governmental plans, as discussed
above under the caption "Certain Federal Income Tax Consequences--Federal Income
Tax Consequences for REMIC Certificates--Taxation of Residual
Certificates--Tax-Related Restrictions on Transfer of Residual
Certificates--Disqualified Organizations."
 
    DUE TO THE COMPLEXITY OF THESE RULES AND THE PENALTIES IMPOSED UPON  PERSONS
INVOLVED IN PROHIBITED TRANSACTIONS, IT IS PARTICULARLY IMPORTANT THAT POTENTIAL
INVESTORS  WHO ARE  PLAN FIDUCIARIES  CONSULT WITH  THEIR COUNSEL  REGARDING THE
CONSEQUENCES UNDER ERISA OF THEIR ACQUISITION AND OWNERSHIP OF CERTIFICATES.
 
                                       94
<PAGE>
    THE SALE OF CERTIFICATES TO A PLAN IS IN NO RESPECT A REPRESENTATION BY  THE
SELLER  OR THE  APPLICABLE UNDERWRITER THAT  THIS INVESTMENT  MEETS ALL RELEVANT
LEGAL REQUIREMENTS  WITH  RESPECT  TO  INVESTMENTS BY  PLANS  GENERALLY  OR  ANY
PARTICULAR  PLAN, OR THAT THIS INVESTMENT  IS APPROPRIATE FOR PLANS GENERALLY OR
ANY PARTICULAR PLAN.
 
                                LEGAL INVESTMENT
 
    Standard Certificates which are not rated, as discussed below under "Rating"
will not constitute "mortgage related securities" for purposes of the  Secondary
Mortgage  Market  Enhancement  Act  of  1984  (the  "Enhancement  Act").  Unless
otherwise specified in the related Prospectus Supplement, the Certificates other
than Residual  Certificates  (and if  so  specified in  the  related  Prospectus
Supplement,   the  Residual  Certificates)  will  constitute  "mortgage  related
securities" for  purposes of  the Enhancement  Act  and as  such will  be  legal
investments  for  persons,  trusts,  corporations,  partnerships,  associations,
business  trusts  and   business  entities   (including  but   not  limited   to
state-chartered  savings banks, commercial banks,  savings and loan associations
and insurance  companies, as  well  as trustees  and state  government  employee
retirement systems) created pursuant to or existing under the laws of the United
States  or of  any state  (including the District  of Columbia  and Puerto Rico)
whose authorized investments are subject to state regulation to the same  extent
that,  under applicable law, obligations issued by or guaranteed as to principal
and interest  by the  United States  or any  agency or  instrumentality  thereof
constitute legal investments for such entities. Pursuant to the Enhancement Act,
a number of states enacted legislation, on or before the October 3, 1991 cut-off
for such enactments, limiting to varying extents the ability of certain entities
(in particular insurance companies) to invest in mortgage related securities, in
most  cases by  requiring the  affected investors  to rely  solely upon existing
state law, and not the Enhancement  Act. Accordingly, the investors affected  by
such  legislation will be authorized  to invest in the  Certificates only to the
extent provided in such legislation.
 
    The Enhancement Act also amended the legal investment authority of federally
chartered  depository  institutions  as   follows:  federal  savings  and   loan
associations  and federal  savings banks may  invest in, sell  or otherwise deal
with mortgage  related securities  without limitation  as to  the percentage  of
their  assets represented thereby, federal credit  unions may invest in mortgage
related securities, and national banks may purchase mortgage related  securities
for  their own account without regard to the limitations generally applicable to
investment securities set forth  in 12 U.S.C. Section  24 (Seventh), subject  in
each case to such regulations as the applicable federal regulatory authority may
prescribe.  In  this connection,  federal credit  unions should  review National
Credit Union  Administration Letter  to Credit  Unions No.  96, as  modified  by
Letter  to Credit  Unions No. 108,  which includes guidelines  to assist federal
credit unions in  making investment decisions  for mortgage related  securities.
The  National Credit Union Administration  has adopted rules, effective December
2, 1991, that prohibit federal credit unions from investing in certain  mortgage
related   securities  such  as  the   Residual  Certificates  and  the  Stripped
Certificates, except under limited circumstances.
 
    All depository institutions  considering an investment  in the  Certificates
should  review the "Supervisory Policy Statement on Securities Activities" dated
January 28, 1992 (the "Policy Statement") of the Federal Financial  Institutions
Examination  Council. The Policy Statement, which  has been adopted by the Board
of Governors  of  the Federal  Reserve  System, the  Federal  Deposit  Insurance
Corporation,   the  Comptroller  of  the  Currency  and  the  Office  of  Thrift
Supervision, effective  February 10,  1992,  and by  the National  Credit  Union
Administration  (with certain modifications), effective June 26, 1992, prohibits
depository  institutions   from  investing   in  certain   "high-risk   mortgage
securities"  (including securities  such as  certain series  and classes  of the
Certificates), except  under  limited  circumstances,  and  sets  forth  certain
investment practices deemed to be unsuitable for regulated institutions.
 
    Institutions  whose  investment  activities  are  subject  to  regulation by
federal or state authorities should review policies and guidelines adopted  from
time   to   time   by   such   authorities   before   purchasing   any   of  the
 
                                       95
<PAGE>
Certificates,  as   certain  Series   or   Classes  (in   particular,   Stripped
Certificates)  may  be  deemed  unsuitable  investments,  or  may  otherwise  be
restricted, under such policies or guidelines (in certain instances irrespective
of the Enhancement Act).
 
    The  foregoing  does  not  take  into  consideration  the  applicability  of
statutes,   rules,  regulations,  orders,  guidelines  or  agreements  generally
governing investments made by a particular investor, including, but not  limited
to, "prudent investor" provisions, percentage-of-assets limits, provisions which
may   restrict   or   prohibit   investment   in   securities   which   are  not
"interest-bearing" or  "income-paying," and,  with  regard to  any  Certificates
issued in book-entry form, provisions which may restrict or prohibit investments
in securities which are issued in book-entry form.
 
    All  investors should consult  with their own  legal advisors in determining
whether and to  what extent  the Certificates constitute  legal investments  for
such investors.
 
                              PLAN OF DISTRIBUTION
 
    The  Certificates are being offered hereby in  Series through one or more of
the methods  described  below. The  applicable  Prospectus Supplement  for  each
Series  will describe the method of offering  being utilized for that Series and
will state the public offering or  purchase price of each Class of  Certificates
of  such Series, or the method by which  such price is to be determined, and the
net proceeds to the Seller from such sale.
 
    The Certificates will be offered through the following methods from time  to
time  and offerings  may be  made concurrently  through more  than one  of these
methods or  an offering  of a  particular  Series of  Certificates may  be  made
through a combination of two or more of these methods:
 
        1.  By negotiated firm commitment underwriting and public re-offering by
    underwriters specified in the applicable Prospectus Supplement;
 
        2.  By placements by the Seller with investors through dealers; and
 
        3.  By direct placements by the Seller with investors.
 
    If  underwriters are used  in a sale of  any Certificates, such Certificates
will be acquired by  the underwriters for  their own account  and may be  resold
from   time  to  time   in  one  or   more  transactions,  including  negotiated
transactions, at  a fixed  public offering  price  or at  varying prices  to  be
determined  at the  time of  sale or  at the  time of  commitment therefor. Firm
commitment underwriting  and  public  reoffering by  underwriters  may  be  done
through  underwriting syndicates or through one  or more firms acting alone. The
specific managing underwriter or underwriters, if any, with respect to the offer
and sale of a particular Series of  Certificates will be set forth on the  cover
of  the Prospectus Supplement applicable  to such Series and  the members of the
underwriting syndicate, if any, will be named in such Prospectus Supplement. The
Prospectus Supplement will describe any discounts and commissions to be  allowed
or  paid  by  the  Seller  to the  underwriters,  any  other  items constituting
underwriting compensation and  any discounts  and commissions to  be allowed  or
paid  to the  dealers. The  obligations of the  underwriters will  be subject to
certain conditions precedent.  The underwriters with  respect to a  sale of  any
Class of Certificates will be obligated to purchase all such Certificates if any
are  purchased. The Seller  and PHMC will  indemnify the applicable underwriters
against certain civil  liabilities, including liabilities  under the  Securities
Act of 1933, as amended (the "Act").
 
    The Prospectus Supplement with respect to any Series of Certificates offered
other than through underwriters will contain information regarding the nature of
such  offering and  any agreements  to be  entered into  between the  Seller and
dealers and/or the Seller and purchasers of Certificates of such Series.
 
    Purchasers of Certificates, including dealers,  may, depending on the  facts
and  circumstances of such purchases, be  deemed to be "underwriters" within the
meaning  of  the  Act  in  connection  with  reoffers  and  sales  by  them   of
Certificates.  Certificateholders should  consult with  their legal  advisors in
this regard prior to any such reoffer or sale.
 
                                       96
<PAGE>
    If  specified  in  the  Prospectus  Supplement  relating  to  a  Series   of
Certificates,  the Seller or any  affiliate thereof may purchase  some or all of
one or  more Classes  of Certificates  of such  Series from  the underwriter  or
underwriters  at a price  specified or described  in such Prospectus Supplement.
Such purchaser may thereafter from time to time offer and sell, pursuant to this
Prospectus, some or all of such Certificates so purchased directly, through  one
or  more  underwriters to  be designated  at the  time of  the offering  of such
Certificates or through dealers acting as agent and/or principal. Such  offering
may  be restricted in  the matter specified in  such Prospectus Supplement. Such
transactions may be effected at market prices prevailing at the time of sale, at
negotiated prices or at fixed prices. The underwriters and dealers participating
in such purchaser's offering  of such Certificates  may receive compensation  in
the  form of underwriting discounts or  commissions from such purchaser and such
dealers may receive commissions from the investors purchasing such  Certificates
for  whom they may act as agent  (which discounts or commissions will not exceed
those customary  in  those types  of  transactions involved).  Any  dealer  that
participates  in the distribution  of such Certificates  may be deemed  to be an
"underwriter" within the meaning of the  Act, and any commissions and  discounts
received  by such dealer  and any profit  on the resale  of such Certificates by
such dealer might be deemed to  be underwriting discounts and commissions  under
the Act.
 
    One   or  more  affiliates  of  the   Seller  and  the  Servicer,  including
Prudential-Bache Securities Inc. (which conducts its corporate, governmental and
institutional business under the name Prudential-Bache Capital Funding), may act
as underwriter or dealer  with respect to Certificates  of any Series. Any  such
affiliate will be identified in the applicable Prospectus Supplement.
 
                                 LEGAL MATTERS
 
    Certain  legal matters  will be  passed upon  for the  Seller by Cadwalader,
Wickersham & Taft, New York, New York and for any underwriters by Brown &  Wood,
New York, New York.
 
                                     RATING
 
    It  is a  condition to  the issuance  of the  Stripped Certificates  and the
Multi-Class Certificates of any  Series that they  be rated in  one of the  four
highest  categories by at least one  Rating Agency. Standard Certificates may or
may not be rated by a Rating Agency.
 
    A securities rating is not a recommendation to buy, sell or hold  securities
and may be subject to revision or withdrawal at any time by the assigning Rating
Agency.  Each securities rating  should be evaluated  independently of any other
rating.
 
                                       97
<PAGE>
                        INDEX OF SIGNIFICANT DEFINITIONS
 
<TABLE>
<CAPTION>
TERM                                                                                                            PAGE
- -----------------------------------------------------------------------------------------------------------     -----
<S>                                                                                                          <C>
Aggregate Losses...........................................................................................          34
Assumed Reinvestment Rate..................................................................................          33
Balloon Loan...............................................................................................          15
Balloon Period.............................................................................................          15
Buy-Down Fund..............................................................................................          15
Buy-Down Loans.............................................................................................          15
Certificate Account........................................................................................          48
Certificates...............................................................................................           1
Class......................................................................................................           1
Code.......................................................................................................          11
Compound Interest Certificates.............................................................................          24
Cross-Over Date............................................................................................          29
Curtailments...............................................................................................          24
Cut-Off Date...............................................................................................           8
Depository.................................................................................................          48
Determination Date.........................................................................................          24
Distributable Amount.......................................................................................          24
Distribution Date..........................................................................................           8
Due Date...................................................................................................          13
Due Period.................................................................................................          32
Eligible Investments.......................................................................................          35
ERISA......................................................................................................          11
FDIC.......................................................................................................          49
FHLMC......................................................................................................          14
Fixed Retained Yield.......................................................................................           9
FNMA.......................................................................................................          14
Initial Deposit............................................................................................          34
Interest Rate..............................................................................................           1
Last Scheduled Distribution Date...........................................................................          33
Late Payment...............................................................................................          25
Late Payment Period........................................................................................          25
Liquidation Proceeds.......................................................................................          49
Loan-to-Value Ratio........................................................................................          13
Mortgage Interest Rate.....................................................................................           9
Mortgage Loans.............................................................................................           1
Mortgage Notes.............................................................................................          12
Mortgaged Properties.......................................................................................          12
Mortgages..................................................................................................          12
Multi-Class Certificate Distribution Amount................................................................          32
Multi-Class Certificates...................................................................................           1
Net Foreclosure Profits....................................................................................          27
Net Mortgage Interest Rate.................................................................................           9
OTS........................................................................................................          65
Payment Deficiencies.......................................................................................          34
Pass-Through Rate..........................................................................................           9
Percentage Certificates....................................................................................          23
Periodic Advances..........................................................................................          11
PHMC.......................................................................................................           1
PMCC.......................................................................................................          42
Pool Distribution Amount...................................................................................          26
Pool Scheduled Principal Balance...........................................................................          29
Pool Value.................................................................................................          32
</TABLE>
 
                                       98
<PAGE>
<TABLE>
<CAPTION>
TERM                                                                                                            PAGE
- -----------------------------------------------------------------------------------------------------------     -----
<S>                                                                                                          <C>
Pool Value Group...........................................................................................          32
Pooling and Servicing Agreement............................................................................           7
Prepayment Interest Shortfall..............................................................................          25
Prudential Insurance.......................................................................................           7
Rating Agency..............................................................................................          11
Record Date................................................................................................           9
Registration Statement.....................................................................................           2
Regular Certificateholder..................................................................................          70
Regular Certificates.......................................................................................          22
REMIC......................................................................................................           1
Residual Certificates......................................................................................          22
Scheduled Principal........................................................................................          24
Scheduled Principal Balance................................................................................          25
Seller.....................................................................................................           1
Senior Certificates........................................................................................           1
Senior Class...............................................................................................          24
Senior Class Carryover Shortfall...........................................................................          27
Senior Class Distributable Amount..........................................................................          24
Senior Class Distribution Amount...........................................................................          28
Senior Class Principal Portion.............................................................................          24
Senior Class Pro Rata Share................................................................................          27
Senior Class Shortfall.....................................................................................          27
Senior Class Shortfall Accruals............................................................................          28
Series.....................................................................................................           1
Servicer...................................................................................................           1
Servicing Fee..............................................................................................           9
Shifting Interest Certificate..............................................................................          23
Special Distributions......................................................................................          33
Special Hazard Loss Amount.................................................................................          37
Special Hazard Mortgage Loan...............................................................................          37
Special Hazard Termination Date............................................................................          37
Specified Subordination Reserve Fund Balance...............................................................          34
Spread.....................................................................................................          32
Standard Certificates......................................................................................           1
Standard Hazard Insurance Policy...........................................................................          15
Stated Amount..............................................................................................           1
Stripped Certificates......................................................................................           1
Subclass...................................................................................................           1
Subordinated Amount........................................................................................           9
Subordinated Certificates..................................................................................           1
Subordinated Class Distributable Amount....................................................................          25
Subordinated Class Principal Portion.......................................................................          25
Subordinated Class Pro Rata Share..........................................................................          27
Subordination Reserve Fund.................................................................................          10
Subsidy Account............................................................................................          14
Subsidy Loans..............................................................................................          14
Treasury Regulations.......................................................................................          17
Trust Estate...............................................................................................           1
Trustee....................................................................................................          60
UCC........................................................................................................          62
Unpaid Interest Shortfall..................................................................................          28
Voting Interests...........................................................................................          58
</TABLE>
 
                                       99
<PAGE>
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    NO  DEALER,  SALESMAN  OR  OTHER  PERSON HAS  BEEN  AUTHORIZED  TO  GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATION NOT CONTAINED IN THIS SUPPLEMENT,  THE
PROSPECTUS   SUPPLEMENT  AND  THE  PROSPECTUS,  AND,  IF  GIVEN  OR  MADE,  SUCH
INFORMATION OR REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN  AUTHORIZED
BY  THE SELLER OR BY THE UNDERWRITER. THIS SUPPLEMENT, THE PROSPECTUS SUPPLEMENT
AND THE PROSPECTUS DO NOT CONSTITUTE AN  OFFER TO SELL, OR A SOLICITATION OF  AN
OFFER  TO BUY, THE  SECURITIES OFFERED HEREBY  BY ANYONE IN  ANY JURISDICTION IN
WHICH THE PERSON MAKING SUCH OFFER OR SOLICITATION IS NOT QUALIFIED TO DO SO  OR
TO ANYONE TO WHOM IT IS UNLAWFUL TO MAKE ANY SUCH OFFER OR SOLICITATION. NEITHER
THE  DELIVERY OF THIS  SUPPLEMENT, THE PROSPECTUS  SUPPLEMENT AND THE PROSPECTUS
NOR  ANY  SALE  MADE  HEREUNDER  SHALL,  UNDER  ANY  CIRCUMSTANCES,  CREATE   AN
IMPLICATION  THAT INFORMATION HEREIN OR THEREIN IS  CORRECT AS OF ANY TIME SINCE
THE DATE OF THIS SUPPLEMENT, THE PROSPECTUS SUPPLEMENT OR THE PROSPECTUS.
                               ------------------
 
                                     INDEX
                                   SUPPLEMENT
 
<TABLE>
<CAPTION>
                                                    PAGE
                                                    -----
<S>                                              <C>
General........................................        S1-3
Risk Factors and Special Considerations........        S1-3
Description of the Certificates................        S1-6
Description of the Mortgage Loans..............        S1-8
Origination, Delinquency and Foreclosure
  Experience...................................       S1-15
Restrictions on the Transfer of the Class A-16
  Certificates.................................       S1-18
Historical Prepayments.........................       S1-19
Sensitivity of the Pre-Tax Yield and Weighted
  Average Life of the Class A-16
  Certificates.................................       S1-20
Certain Federal Income Tax Consequences........       S1-21
Underwriting...................................       S1-22
Secondary Market...............................       S1-22
ERISA Considerations...........................       S1-22
Legal Investment...............................       S1-23
Legal Matters..................................       S1-23
Use of Proceeds................................       S1-23
Ratings........................................       S1-23
Incorporation of Certain Information by
  Reference....................................       S1-24
                   PROSPECTUS SUPPLEMENT
Table of Contents..............................         S-3
Summary Information............................         S-4
Description of the Certificates................        S-22
Description of the Mortgage Loans..............        S-53
Origination, Delinquency and Foreclosure
  Experience...................................        S-60
Prepayment and Yield Considerations............        S-64
Pooling and Servicing Agreement................        S-73
Federal Income Tax Considerations..............        S-75
ERISA Considerations...........................        S-78
Legal Investment...............................        S-79
Secondary Market...............................        S-79
Underwriting...................................        S-79
Legal Matters..................................        S-80
Use of Proceeds................................        S-80
Ratings........................................        S-80
Index of Significant Prospectus Supplement
  Definitions..................................        S-81
                         PROSPECTUS
Reports........................................           2
Additional Information.........................           2
Additional Detailed Information................           2
Table of Contents..............................           3
Summary of Prospectus..........................           7
The Trust Estates..............................          12
Description of the Certificates................          22
Credit Support.................................          34
Prepayment and Yield Considerations............          39
The Seller.....................................          41
PHMC...........................................          42
Use of Proceeds................................          48
Servicing of the Mortgage Loans................          48
The Pooling and Servicing Agreement............          58
Certain Legal Aspects of the Mortgage Loans....          61
Certain Federal Income Tax Consequences........          67
ERISA Considerations...........................          91
Legal Investment...............................          95
Plan of Distribution...........................          96
Legal Matters..................................          97
Rating.........................................          97
Index of Significant Definitions...............          98
</TABLE>
 
                              THE PRUDENTIAL HOME
                              MORTGAGE SECURITIES
                                 COMPANY, INC.
                                     SELLER
 
                             MORTGAGE PASS-THROUGH
                                 CERTIFICATES,
                                 SERIES 1992-47
 
                               -----------------
 
                                   SUPPLEMENT
                                 MARCH 8, 1996
                               -----------------
 
                                VARIABLE RATE(1)
                            CLASS A-16 CERTIFICATES
 
                      (1)ON THE CLASS A-16 NOTIONAL AMOUNT
 
                            BEAR, STEARNS & CO. INC.
 
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