PRUDENTIAL HOME MORTGAGE SECURITIES COMPANY INC
424B5, 1996-04-12
MORTGAGE BANKERS & LOAN CORRESPONDENTS
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<PAGE>
           PROSPECTUS SUPPLEMENT TO PROSPECTUS DATED OCTOBER 12, 1992
 
                           $402,876,000 (APPROXIMATE)
 
THE PRUDENTIAL HOME MORTGAGE SECURITIES COMPANY, INC.  r
 
                                     SELLER
 
               MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 1992-37
      PRINCIPAL AND INTEREST PAYABLE MONTHLY, COMMENCING IN NOVEMBER 1992
                             ---------------------
 
    The  Series 1992-37 Mortgage Pass-Through  Certificates (the "Series 1992-37
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 twelve  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 and Class  A-R Certificates. The Class A-11 Certificates
are not  offered hereby.  The Class  M  Certificates will  not be  divided  into
subclasses.  The  Class  B  Certificates  will  consist  of  four  subclasses of
Certificates designated as  the Class B-1,  Class B-2, Class  B-3 and Class  B-4
Certificates,  none of which are offered hereby. The Class A Certificates (other
than the Class A-11 Certificates) and  the Class M Certificates are referred  to
herein collectively as the "Offered Certificates."
 
                                                        (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
                   REPRESENTA      TION TO THE CONTRARY IS  A
                               CRIMINAL OFFENSE.
 
<TABLE>
<CAPTION>
<S>                                                                <C>                               <C>
                                                                      INITIAL SUBCLASS OR CLASS
SUBCLASS OR CLASS DESIGNATION                                           PRINCIPAL BALANCE (1)         PASS-THROUGH RATE
Class A-1........................................................           $   43,095,000                   6.50%
Class A-2........................................................           $   52,250,000                   7.50%
Class A-3........................................................           $   13,600,000                   6.50%
Class A-4........................................................           $   31,350,000                   7.50%
Class A-5........................................................           $   31,700,000                   7.00%
Class A-6........................................................           $   49,710,000                   7.00%
Class A-7........................................................           $   38,960,000                  10.00%
Class A-8........................................................           $   46,540,000                   7.50%
Class A-9........................................................           $   64,002,000                   7.50%
Class A-10.......................................................           $   27,184,000                   7.50%
Class A-R........................................................           $      200,000                   7.50%(2)
Class M..........................................................           $    4,285,000                   7.50%
</TABLE>
 
(1) Approximate. The initial Subclass or Class Principal Balances are subject to
adjustment as described herein.
 
(2) On the Class A-R Notional Amount.
 
    The  Offered Certificates  will be  purchased by  Goldman, Sachs  & Co. (the
"Underwriters") from the  Seller and will  be offered by  the Underwriters  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 99.281250% of the aggregate principal
balance of the  Offered Certificates, plus  accrued interest thereon  and on  an
amount  equal  to the  initial  aggregate principal  balance  of the  Class A-11
Certificates at the rate of 7.50% per  annum from October 1, 1992 (the  "Cut-Off
Date")  to  (but  not including)  October  30, 1992,  before  deducting expenses
payable by the  Seller estimated to  be $405,000. 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  Underwriters,  as specified
herein, subject to receipt and acceptance by them and subject to their right  to
reject  any  order  in  whole  or  in part.  It  is  expected  that  the Offered
Certificates will be available for delivery on or about October 30, 1992 through
the facilities of The Depository Trust Company or, in the case of the Class  A-R
and  Class M Certificates, at the offices of Goldman, Sachs & Co., New York, New
York.
 
                              GOLDMAN, SACHS & CO.
                                 -------------
 
           THE DATE OF THIS PROSPECTUS SUPPLEMENT IS OCTOBER 23, 1992
<PAGE>
(CONTINUED FROM PREVIOUS PAGE)
 
    The Series 1992-37 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 93.00% undivided interest  in
the  principal  balance of  the Mortgage  Loans. The  Class M  Certificates will
initially evidence in the aggregate  an approximate 1.00% undivided interest  in
the  principal balance  of the Mortgage  Loans. The  remaining approximate 6.00%
undivided interest  in the  principal  balance of  the  Mortgage Loans  will  be
evidenced by the Class B Certificates.
 
    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  November  1992,  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 the  Class A Certificates have
received the  Class A  Distribution Amount  and 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.
 
    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, 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. THE YIELD TO MATURITY OF THE
CLASS M CERTIFICATES  WILL, IN  ADDITION, 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   "--SUBORDINATION  OF  CLASS   M  AND  CLASS   B
CERTIFICATES" HEREIN AND "PREPAYMENT AND YIELD CONSIDERATIONS" HEREIN AND IN THE
PROSPECTUS.
 
    The Offered Certificates (other than the Class A-R 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
Underwriters intend to act as market makers in the Offered Certificates, subject
to applicable  provisions  of  federal  and  state  securities  laws  and  other
regulatory  requirements, but  are 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 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  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.
 
    An election will be made to treat the Trust Estate as a real estate mortgage
investment conduit (the "REMIC") for  federal income tax purposes. 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 and
Class A-11 Certificates, the Class M Certificates and each subclass of the Class
B Certificates will constitute  "regular interests" in the  REMIC and the  Class
A-R   Certificates  will  constitute  the  "residual  interest"  in  the  REMIC.
PROSPECTIVE INVESTORS ARE CAUTIONED THAT THE CLASS A-R CERTIFICATEHOLDERS' REMIC
TAXABLE INCOME AND THE TAX LIABILITY  THEREON WILL 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-11 Certificates) represent
eleven 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 October 12, 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 JANUARY 25, 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-18
  General..................................................................................................  S-18
  Book-Entry Registration..................................................................................  S-18
  Definitive Certificates..................................................................................  S-19
  Distributions............................................................................................  S-19
  Interest.................................................................................................  S-21
  Principal (Including Prepayments)........................................................................  S-25
    CALCULATION OF AMOUNT TO BE DISTRIBUTED TO THE CLASS A CERTIFICATES....................................  S-25
    CALCULATION OF AMOUNT TO BE DISTRIBUTED TO THE CLASS M CERTIFICATES....................................  S-27
    ALLOCATION OF AMOUNT TO BE DISTRIBUTED TO THE CLASS A AND CLASS M CERTIFICATES.........................  S-29
  Additional Rights of the Class A-R Certificateholders....................................................  S-30
  Periodic Advances........................................................................................  S-31
  Restrictions on Transfer of the Class A-R and Class M Certificates.......................................  S-32
  Reports..................................................................................................  S-33
  Subordination of Class M and Class B Certificates........................................................  S-33
    ALLOCATION OF LOSSES...................................................................................  S-34
Description of the Mortgage Loans..........................................................................  S-37
  Mandatory Repurchase or Substitution of Mortgage Loans...................................................  S-43
  Optional Repurchase of Defaulted Mortgage Loans..........................................................  S-43
Origination, Delinquency and Foreclosure Experience........................................................  S-44
  Loan Origination.........................................................................................  S-44
  Delinquency and Foreclosure Experience...................................................................  S-44
Prepayment and Yield Considerations........................................................................  S-48
Pooling and Servicing Agreement............................................................................  S-55
  General..................................................................................................  S-55
  Voting...................................................................................................  S-55
  Trustee..................................................................................................  S-56
  Servicing Compensation and Payment of Expenses...........................................................  S-56
  Optional Termination.....................................................................................  S-56
Federal Income Tax Considerations..........................................................................  S-57
  Regular Certificates.....................................................................................  S-57
  Residual Certificates....................................................................................  S-57
ERISA Considerations.......................................................................................  S-58
Legal Investment...........................................................................................  S-59
Secondary Market...........................................................................................  S-60
Underwriting...............................................................................................  S-60
Legal Matters..............................................................................................  S-60
Use of Proceeds............................................................................................  S-60
Ratings....................................................................................................  S-61
Index of Significant Prospectus Supplement Definitions.....................................................  S-62
</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 1992-37  (the
                                    "Series 1992-37 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 1992-37 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   1992-37
                                    Certificates  (the  "Mortgage  Loans").  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
                                    "--Distributions of Principal and Interest" below.
</TABLE>
 
                                      S-4
<PAGE>
 
<TABLE>
<S>                                 <C>
                                    Initially, the Class A Certificates will evidence in the
                                    aggregate    an   approximate    93.00%   (approximately
                                    $398,592,000)  undivided   interest   in   the   initial
                                    aggregate  principal balance of  the Mortgage Loans; the
                                    Class M Certificates will  evidence in the aggregate  an
                                    approximate  1.00% (approximately  $4,285,000) undivided
                                    interest in the initial  aggregate principal balance  of
                                    the  Mortgage Loans;  and the Class  B Certificates will
                                    evidence  in   the   aggregate  an   approximate   6.00%
                                    (approximately  $25,716,862)  undivided interest  in the
                                    initial aggregate  principal  balance  of  the  Mortgage
                                    Loans.   The   relative  interests   in   the  aggregate
                                    outstanding principal  balance  of  the  Mortgage  Loans
                                    represented by the Class A, Class M and Class B Certifi-
                                    cates  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  of Interest" and
                                    "--Credit Enhancement" below.
 
                                    The  Class  A  Certificates   will  consist  of   twelve
                                    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 and Class
                                    A-R Certificates. The  Class A-11  Certificates are  not
                                    offered  hereby. The  Class M  Certificates will  not be
                                    divided into subclasses. The  Class B Certificates  will
                                    consist of four subclasses, designated as the Class B-1,
                                    Class B-2, Class B-3 and Class B-4 Certificates, none of
                                    which  are  offered  hereby.  The  Class  A Certificates
                                    (other than  the Class  A-11 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-11 Certificates  and
                                    one  or more of  the subclasses of  Class B Certificates
                                    may be retained or sold by the Seller.
 
                                    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
                                    1992-37   Certificates   and  the   approximate  initial
                                    aggregate principal balance of the  Class A and Class  M
                                    Certificates  as of the date  of this Prospectus Supple-
                                    ment will not, with respect to the Class A  Certificates
                                    (other  than the Class A-11  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
</TABLE>
 
                                      S-5
<PAGE>
 
<TABLE>
<S>                                 <C>
                                    levels  for   the  Series   1992-37  Certificates.   Any
                                    difference allocated to the Class A Certificates will be
                                    allocated  among the subclasses  of Class A Certificates
                                    other than the Class A-11 and Class A-R Certificates.
 
Forms of Certificates;
  Denominations...................  BOOK-ENTRY FORM.  The  Offered Certificates (other  than
                                    the  Class A-R 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  Certificates."  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 Prospectus  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
                                    Registration" in this Prospectus Supplement.
 
                                    The Book-Entry 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.
 
                                    CERTIFICATED  FORM.     The  Class  A-R   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  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 Certificates will be issued in minimum denominations
                                    of  $100,000   and  integral   multiples  thereof.   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 1992-37
                                    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-6
<PAGE>
 
<TABLE>
<S>                                   <C>
SELECTED MORTGAGE LOAN DATA
(AS OF THE CUT-OFF DATE)
 
Cut-Off Date:                         October 1, 1992
Number of Mortgage Loans:             1,803
Aggregate Unpaid Principal
  Balance 1:                          $428,593,862
 
Range of Unpaid Principal             $30,000 to $999,363
  Balances 1:
Average Unpaid Principal Balance 1:   $237,712
 
Range of Interest Rates:              7.750% to 9.875%
Weighted Average Interest Rate 1:     8.294%
 
Range of Remaining  Terms to  Stated
  Maturity:                           350 months to 360 months
Weighted  Average Remaining  Term to
  Stated Maturity 1:                  359 months
 
Range  of   Original   Loan-to-Value
  Ratios:                             12.50% to 90.00%
Weighted  Average  Original Loan-to-
  Value Ratio 1:                      72%
Geographical Concentration of
  Mortgaged   Properties    Securing
  Mortage  Loans in Excess  of 5% of
  the  Aggregate  Unpaid   Principal
  Balance(1):                         California   57.19%
                                      New Jersey   8.73%
                                      New York    7.52%
 
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 1992-37  Certificates (which  is expected  to
                                    occur  on or about October 30, 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   1992-37
                                    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 defaulted
                                    Mortgage  Loans.  See   "Description  of  the   Mortgage
                                    Loans--Optional  Repurchase of Defaulted Mortgage Loans"
                                    in this Prospectus Supplement.
</TABLE>
 
                                      S-7
<PAGE>
 
<TABLE>
<S>                                 <C>
                                    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 1992-37
                                    Certificates. See "Pooling and Servicing
                                    Agreement--Optional  Termination"  in  this   Prospectus
                                    Supplement.
 
Distributions of Principal and
  Interest........................  DISTRIBUTIONS  IN GENERAL.  Distributions on  the Series
                                    1992-37 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 November 1992, 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 the  respective mortgagors  of the  Mortgage
                                    Loans  in  payment  of their  scheduled  installments of
                                    principal  and  interest,  as  well  as  the  amount  of
                                    prepayments  made by  such 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
                                    then,  if the amount  available for distribution exceeds
                                    the amount  of  interest  due holders  of  the  Class  A
                                    Certificates,   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 Prepay-
                                    ments)--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,  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.
 
                                    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."
</TABLE>
 
                                      S-8
<PAGE>
 
<TABLE>
<S>                                 <C>
                                    INTEREST  DISTRIBUTIONS. The amount of interest to which
                                    holders  of   each   subclass  or   class   of   Offered
                                    Certificates,  other  than the  Class  A-R 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 or class is the
                                    percentage set  forth on  the cover  of this  Prospectus
                                    Supplement.
 
                                    The amount of interest to which the holders of the Class
                                    A-R  Certificates are 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-R  Certificates  is  described  under
                                    "Description  of  the  Certificates--Interest"  in  this
                                    Prospectus Supplement. Interest will accrue on the Class
                                    A-R  Certificates each month  in an amount  equal to the
                                    product of (i)  1/12th of  7.50% and  (ii) the  notional
                                    amount of the Class A-R 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  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, will  be  allocated  pro
                                    rata,  based on interest accrued,  among all classes and
                                    subclasses  of  the  Series  1992-37  Certificates.  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  but
                                    instead will be borne first by the Class B Certificates,
                                    second  by the Class  M Certificates and  finally by the
                                    Class  A   Certificates.   See   "Description   of   the
                                    Certificates--Subordination  of the Class  M and Class B
                                    Certificates" in this Prospectus Supplement.
 
                                    In addition,  the  amount  of interest  required  to  be
                                    distributed   to   holders   of   the   Series   1992-37
                                    Certificates will  be reduced  by a  portion of  certain
                                    special  hazard  losses,  fraud  losses  and  bankruptcy
                                    losses attributable  to interest.  See "Credit  Enhance-
                                    ment--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
</TABLE>
 
                                      S-9
<PAGE>
 
<TABLE>
<S>                                 <C>
                                    applicable  amount of  accrued interest  on the  Class A
                                    Certificates (net of any shortfalls and losses allocable
                                    to the  Class A  Certificates as  described in  the  two
                                    immediately   preceding   paragraphs),  the   amount  of
                                    interest to be distributed  will be allocated among  the
                                    outstanding  subclasses of Class A Certificates pro rata
                                    in accordance  with  their  respective  entitlements  to
                                    interest, and the amount of any deficiency will be added
                                    to  the amount of interest that the Class A Certificates
                                    are  entitled  to  receive  on  subsequent  Distribution
                                    Dates. No interest will accrue on such deficiencies.
 
                                    To the extent that the amount available for distribution
                                    on  any  Distribution  Date, after  the  payment  of all
                                    amounts due the Class A  Certificates 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 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 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 dis-
                                    tributable   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
</TABLE>
 
                                      S-10
<PAGE>
 
<TABLE>
<S>                                 <C>
                                    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 Levels  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 from the total
                                    amount  collected that is available to be distributed to
                                    holders of  the  Series  1992-37  Certificates  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" 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 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 1992-37 Certificates.
 
                                    EFFECT    OF    SUBORDINATION   LEVELS    ON   PRINCIPAL
                                    DISTRIBUTIONS. In order to preserve the availability  of
                                    the  original subordination levels as protection against
                                    losses  on  the  Class  M,  Class  B-1  and  Class   B-2
                                    Certificates  and, if  rated by  a nationally recognized
                                    statistical rating agency at the request of the  Seller,
                                    the   Class  B-3  Certificates,  some   or  all  of  the
                                    subclasses of  the Class  B Certificates,  as  described
                                    below, may not be entitled on certain Distribution Dates
                                    to  distributions of principal and the principal balance
                                    of such subclasses will  not be considered for  purposes
                                    of  the allocation  of principal  among the Subordinated
                                    Certificates.
 
                                    In the  case of  the  Class M  Certificates, 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  1992-37  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  Sub-
                                    ordinated Certificates for such Distribution Date.
</TABLE>
 
                                      S-11
<PAGE>
 
<TABLE>
<S>                                 <C>
                                    In the case of the  Class B-1 or Class B-2  Certificates
                                    or,  if  rated  by a  nationally  recognized statistical
                                    rating agency at  the request of  the Seller, the  Class
                                    B-3  Certificates,  if  on  any  Distribution  Date  the
                                    percentage  obtained   by   dividing   the   outstanding
                                    principal   balances  of  the   subclasses  of  Class  B
                                    Certificates with higher  numerical designations 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
                                    1992-37 Certificates, then such Class B subclasses  with
                                    higher  numerical designations  will not  be entitled to
                                    distributions of principal and the principal balances of
                                    such subclasses  will  not  be taken  into  account  for
                                    purposes  of calculating  the portions  of scheduled and
                                    unscheduled principal payments allocable to the Class  M
                                    Certificates   and   to  the   subclasses  of   Class  B
                                    Certificates with lower  numerical designations. In  any
                                    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 all subclasses  of 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 and Class M  Certificates
                                    to   receive  distributions,  to  the  extent  described
                                    herein. This subordination provides a certain 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  Certifi-
                                    cates)  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 Certifi-
                                    cates, 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
</TABLE>
 
                                      S-12
<PAGE>
 
<TABLE>
<S>                                 <C>
                                    Mortgage  Loans or the bankruptcy of mortgagors prior to
                                    the allocation  of such  losses to  the holders  of  the
                                    Class A Certificates.
 
                                    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  bank-
                                    ruptcy  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  exten-
                                    sion 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  $30,001,862)  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 $25,716,862)  has  been reduced  to  zero.
                                    Such losses will be allocated first among the subclasses
                                    of  the Class B Certificates, in reverse numerical order
                                    (that is, to  the Class  B-4, Class B-3,  Class B-2  and
                                    Class  B-1  Certificates)  and  second  to  the  Class M
                                    Certificates.
</TABLE>
 
                                      S-13
<PAGE>
 
<TABLE>
<S>                                 <C>
                                    With respect to any Distribution Date, the  availability
                                    of  the credit enhancement  provided by the  Class B and
                                    Class   M   Certificates   subsequent   to   the   first
                                    Distribution   Date  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 each  subclass of 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 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 1992-37  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 1.00%,  2.00%
                                    and  0.21%,  respectively,  of  the  aggregate principal
                                    balance of the  Mortgage Loans  as of  the Cut-Off  Date
                                    (approximately   $4,285,939,  $8,571,877  and  $920,450,
                                    respectively). If losses due  to special hazards,  fraud
                                    or  bankruptcy  exceed  any of  such  respective 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
                                    subclasses  of 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.
 
Effects of Prepayments on
  Investment Expectations.........  The  actual  rate  of  prepayment  of  principal  on the
                                    Mortgage Loans  can  not 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
</TABLE>
 
                                      S-14
<PAGE>
 
<TABLE>
<S>                                 <C>
                                    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  purchaser'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  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.
 
                                    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
</TABLE>
 
                                      S-15
<PAGE>
 
<TABLE>
<S>                                 <C>
                                    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 speeds 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  Offered
                                    Certificates,  under  various prepayment  scenarios, are
                                    displayed in  the  tables appearing  under  the  heading
                                    "Prepayment and Yield Considerations" in this Prospectus
                                    Supplement.
 
Federal Income Tax Status.........  An  election will be made to treat the Trust Estate as a
                                    real estate  mortgage investment  conduit (the  "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 and
                                    Class M Certificates  and each subclass  of the Class  B
                                    Certificates will be designated as the regular interests
                                    in  the REMIC,  and the  Class A-R  Certificates will be
                                    designated as the residual interest in the REMIC.
 
                                    The Regular  Certificates (as  defined herein)  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. The
                                    Class   A-3,  Class   A-6,  Class   A-10  and   Class  M
                                    Certificates will be issued with original issue discount
                                    in  an  amount  equal  to  the  excess  of  the  initial
                                    principal balances of such subclasses (plus five days of
                                    interest  at the pass-through  rates thereon) over their
                                    respective issue prices (including accrued interest). It
                                    is also anticipated that the Class A-1, Class A-2, Class
                                    A-4, Class  A-5, Class  A-7 and  Class A-8  Certificates
                                    will  be  issued at  a premium  and  that the  Class A-9
                                    Certificates will  be issued  with DE  MINIMIS  original
                                    issue discount for federal income tax purposes.
 
                                    The  holders  of  the  Class  A-R  Certificates  will be
                                    required to include  the taxable income  or loss of  the
                                    REMIC in determining their federal taxable income. It is
                                    anticipated  that all  or a  substantial portion  of the
                                    taxable income of the REMIC includible by the Class  A-R
                                    Certificateholders will be treated as "excess inclusion"
                                    income  subject to  special limitations  for federal in-
                                    come tax  purposes.  FURTHER,  SIGNIFICANT  RESTRICTIONS
                                    APPLY TO THE TRANSFER OF THE CLASS A-R CERTIFICATES. THE
                                    CLASS A-R
</TABLE>
 
                                      S-16
<PAGE>
 
<TABLE>
<S>                                 <C>
                                    CERTIFICATES   ARE  "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 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. THE CLASS
                                    A-R CERTIFICATES MAY NOT 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  suit-
                                    ability  of and  consequences to  them of  the purchase,
                                    ownership and disposition  of the Offered  Certificates.
                                    See "Legal Investment" in this Prospectus Supplement.
</TABLE>
 
                                      S-17
<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  will be  issued  in  minimum
denominations  of $100,000 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 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  Certificates  will  be  issued  as
Definitive  Certificates  in  minimum  denominations  of  $100,000  and integral
multiples thereof.
 
    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  Underwriters),  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,  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.
 
    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.
 
                                      S-18
<PAGE>
    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-R  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 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
 
                                      S-19
<PAGE>
of  each month or, if such day is not a business day, on the succeeding business
day (each, a "Distribution Date"), beginning  in November 1992, 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 for such Distribution Date including all previously unpaid Class  A
Subclass  Interest Shortfall  Amounts with  respect to  any Subclass  of Class A
Certificates 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 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  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  "--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;
 
           (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;
 
                                      S-20
<PAGE>
           (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 distributed  to the  holders thereof of
record as of the related Record  Date as follows (the "Pool Distribution  Amount
Allocation"):
 
        FIRST, to each Subclass of Class A Certificates, pro rata based on their
    respective Class A Subclass Interest Accrual Amounts, in an aggregate amount
    up  to the sum of the Class A Subclass Interest Accrual Amounts with respect
    to such Distribution Date;
 
        SECOND, to each  Subclass of  Class A  Certificates, pro  rata based  on
    their  respective unpaid Class A Subclass  Interest Shortfall Amounts, in an
    aggregate amount up  to the sum  of the previously  unpaid Class A  Subclass
    Interest 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,  sequentially to the Class B-1,  Class B-2, Class B-3 and Class
    B-4 Certificates so that each subclass  shall receive first an amount up  to
    its   Class  B  Subclass  Interest  Accrual  Amount  with  respect  to  such
    Distribution Date, second  an amount  up to its  previously unpaid  subclass
    interest  shortfall amount  and then  an amount  up to  its subclass optimal
    principal amount before any subclasses of Class B Certificates with a higher
    numerical designation  receive  any  payments  in  respect  of  interest  or
    principal.
 
    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.
 
    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.
 
INTEREST
 
    The amount  of  interest which  will  accrue on  each  Subclass of  Class  A
Certificates  during each month 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 Class  A Certificates, other than the Class
A-11 and the Class A-R 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  Certificates  is  the  percentage  set  forth  or  described  on  the  cover
 
                                      S-21
<PAGE>
of this Prospectus Supplement. The Class A Subclass Interest Accrual Amount  for
the  Class A-11  Certificates will equal  the product  of (i) 1/12th  of (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 minus  (b) 7.50% and (ii) the
Class A-11 Notional Amount. The Class A Subclass Interest Accrual Amount for the
Class A-R Certificates will equal  the product of (i)  1/12th of 7.50% and  (ii)
the  Class A-R  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.
 
    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 7.50%
and (ii) the outstanding Class M Principal Balance. The Class M Interest 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.
 
    Each subclass of Class B Certificates will accrue interest during each month
at a Pass-Through Rate  of 7.50% per  annum. The amount  of interest accrued  on
each subclass during each month (the "Class B Subclass Interest Accrual Amount")
will  equal the product of (i) 1/12th of  7.50% and (ii) the outstanding Class B
Subclass Principal  Balance of  such subclass.  Each Class  B Subclass  Interest
Accrual  Amount will be reduced by (i) the portion of any Non-Supported Interest
Shortfalls 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 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
applicable 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  Subclass  Principal  Balance"  of  a  subclass  of  Class  B
Certificates  as of any Determination Date will be the lesser of (a) the initial
principal balance of such subclass on the date of initial issuance of the  Class
B  Certificates less (i)  all amounts previously distributed  to holders of such
subclass 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  such subclass in  the
manner  described under "--Subordination  of Class M  and Class B Certificates--
 
                                      S-22
<PAGE>
Allocation of  Losses" and  (b) the  Adjusted Pool  Amount as  of the  preceding
Distribution  Date less the  sum of the  Class A Principal  Balance, the Class M
Principal Balance and the Class B Subclass Principal Balances of the  subclasses
of Class B Certificates with lower numerical designations.
 
    The  "Class B Principal Balance" as of any  date will be equal to the sum of
the Class B Subclass Principal Balance of the subclasses of Class B Certificates
as of such date.
 
    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  1992-37  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.
 
    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-R 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-R
Certificates and  the Class  A  Subclass Principal  Balance  of the  Class  A-11
Certificates.   The  Class  A-R  Notional  Amount  with  respect  to  the  first
Distribution Date will be $201,000.
 
    The "Class A-11 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-11
Notional  Amount  with  respect   to  the  first   Distribution  Date  will   be
approximately  $428,593,862 less  any partial principal  prepayments received in
October 1992.
 
    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  according  to  the  Class  A  Percentage  and  (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.  Such allocation of  Non-Supported Interest Shortfalls  will reduce the
amount of interest due to be distributed to holders of the Class A  Certificates
and  Class  M  Certificates,  respectively, then  entitled  to  distributions in
respect of interest. Any such reduction in respect of interest will be allocated
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.
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 subclasses of
Class B  Certificates  in  reverse numerical  order  and  then to  the  Class  M
Certificates   before  being  borne  by  the   Class  A  Certificates.  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 allocated to the Class A Certificates in the same manner  as
Non-Supported  Interest Shortfalls  are allocated.  See "--Subordination  of the
Class M and Class B Certificates" below.
 
                                      S-23
<PAGE>
    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  pro rata based  on the interest  accrued on each  such
Class  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.
 
    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  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, distributions
in respect of interest to each Subclass of Class A Certificates will equal  such
Subclass' Class A Subclass Interest Accrual Amount.
 
    If,  on any Distribution Date, the Pool Distribution Amount is less than the
sum of the  Class A Subclass  Interest Accrual Amounts,  the amount of  interest
currently   distributed  on  the  Class  A  Certificates  will  equal  the  Pool
Distribution Amount  and will  be  allocated among  the  Subclasses of  Class  A
Certificates  pro rata in  accordance with each such  Subclass' Class A Subclass
Interest Accrual Amount. Amounts so allocated will be distributed in respect  of
interest  to each Subclass  of Class A Certificates.  Any difference between the
portion of  the  Pool Distribution  Amount  distributed in  respect  of  current
interest  to each  Subclass of  Class A  Certificates and  the Class  A Subclass
Interest  Accrual  Amount  for  such  Subclass  with  respect  to  the   related
Distribution Date (as to each Subclass, the "Class A Subclass 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 A  Subclass  Interest
Shortfall Amounts.
 
    On  each Distribution Date on which the Pool Distribution Amount exceeds the
sum of the Class A  Subclass Interest Accrual Amounts,  any excess will then  be
allocated  first to  pay previously unpaid  Class A  Subclass Interest Shortfall
Amounts. Such  amounts  will  be  allocated among  the  Subclasses  of  Class  A
Certificates  pro rata in accordance with the respective unpaid Class A Subclass
Interest 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, (ii) the sum of  the unpaid Class A Subclass Interest  Shortfall
Amounts  with respect  to each  Subclass of Class  A Certificates  and (iii) the
Class A Optimal Principal  Amount (collectively, 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
subclasses of
 
                                      S-24
<PAGE>
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 subclasses of Class
B  Certificates  will  not  be  entitled to  any  distributions  of  interest or
principal.
 
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
Certificates,  any  additional  amounts  to  which  a  holder  of  a  Class  A-R
Certificate may be entitled as described below under "--Additional Rights of the
Class  A-R 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-11
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-11 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 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 Certificateholders"  below),
less  the amounts allocable  to principal of  any unreimbursed Periodic Advances
previously made by the Servicer and  any unreimbursed advances from the  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
 
                                      S-25
<PAGE>
advances  from the 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 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 Balance  of the Mortgage  Loans
for such Distribution Date (the "Pool Scheduled Principal Balance"). The Class A
Percentage  for the  first Distribution Date  will be  approximately 93.00%. 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
 
                                      S-26
<PAGE>
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 October  1997  to and  including the
Distribution Date in October 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 October 1998  to and including the Distribution
Date in October 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 October  1999  to and  including  the Distribution  Date in
October 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 October  2000 to and  including the Distribution  Date in  October
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  November 1997, 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 November 1998, 35% of  the Original Subordinated Principal Balance,  (c)
with  respect to  the Distribution  Date in November  1999, 40%  of the Original
Subordinated Principal Balance,  (d) with  respect to the  Distribution Date  in
November  2000, 45% of the Original Subordinated Principal Balance, and (e) with
respect to  the  Distribution  Date  in  November  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
 
                                      S-27
<PAGE>
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  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  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  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 the  Class B  Subclass  Principal Balances  of  the subclasses  entitled  to
principal   distributions  for  such  Distribution  Date  as  described  in  the
succeeding paragraph.
 
    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-1,  Class B-2,  Class B-3  and Class  B-4 Certificates  will not  be
entitled  to  distributions in  respect of  principal and  the Class  B Subclass
Principal Balances of such subclasses 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. In the  event that the  Current Class M Subordination
Level equals or exceeds the Original Class M Subordination Level but the Current
Class B-1 Subordination Level is less than the Original Class B-1  Subordination
Level,  then the  Class B-2, Class  B-3 and  Class B-4 Certificates  will not be
entitled to  distributions in  respect of  principal and  the Class  B  Subclass
Principal  Balances of such subclasses will not be used to determine the Class M
Percentage and the Class M Prepayment Percentage for such Distribution Date.  In
the  event that each of the Current  Class M Subordination Level and the Current
Class B-1 Subordination Level equal or exceed the Original Class M Subordination
Level and  the Original  Class B-1  Subordination Level,  respectively, but  the
Current  Class  B-2 Subordination  Level  is less  than  the Original  Class B-2
Subordination Level, then the Class B-3  and Class B-4 Certificates will not  be
entitled  to  distributions in  respect of  principal and  the Class  B Subclass
Principal Balances of such subclasses will not be used to determine the Class  M
Percentage  and the Class M Prepayment Percentage for such Distribution Date. In
the event that (i) the Class B-3 Certificates are
 
                                      S-28
<PAGE>
rated by a nationally recognized statistical rating agency at the request of the
Seller, and (ii) each  of the Current Class  M Subordination Level, the  Current
Class  B-1 Subordination  Level and  the Current  Class B-2  Subordination Level
equals or exceeds the Original Class  M Subordination Level, the Original  Class
B-1  Subordination  Level  and  the  Original  Class  B-2  Subordination  Level,
respectively, but the  Current Class B-3  Subordination Level is  less than  the
Original Class B-3 Subordination Level, then the Class B-4 Certificates will not
be  entitled to distributions in  respect of principal and  the Class B Subclass
Principal Balance of such  subclass will not  be used to  determine the Class  M
Percentage  and the Class M Prepayment Percentage for such Distribution Date. In
the event  that  the  Class B-3  Certificates  are  not rated  by  a  nationally
recognized  statistical rating  agency at  the request  of the  Seller, then the
Class B-3 Certificates will  not have original  or current subordination  levels
which  are required  to be  maintained as described  in the  prior sentence. The
Class B-4 Certificates will  not have original  or current subordination  levels
which are required to be maintained as described above.
 
    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 6.00%. The "Current Class  M
Subordination  Level" for  any Distribution Date  is the  percentage obtained by
dividing the sum of the then-outstanding Class B Subclass Principal Balances  of
the Class B-1, Class B-2, Class B-3 and Class B-4 Certificates by the sum of the
Class  A  Principal Balance,  the  Class M  Principal  Balance and  the  Class B
Principal Balance.
 
    The "Original Class B-1 Subordination  Level" is the percentage obtained  by
dividing the sum of the initial Class B Subclass Principal Balances of the Class
B-2,  Class  B-3  and  Class  B-4 Certificates  by  the  Cut-Off  Date Aggregate
Principal Balance of the  Mortgage Loans. The  Original Class B-1  Subordination
Level   is  expected  to   be  approximately  2.75%.   The  "Current  Class  B-1
Subordination Level" for  any Distribution  Date is the  percentage obtained  by
dividing  the sum of the then-outstanding Class B Subclass Principal Balances of
the Class B-2, Class B-3  and Class B-4 Certificates by  the sum of the Class  A
Principal  Balance,  the Class  M Principal  Balance and  the Class  B Principal
Balance.
 
    The "Original Class B-2 Subordination  Level" is the percentage obtained  by
dividing the sum of the initial Class B Subclass Principal Balances of the Class
B-3  and Class B-4 Certificates by  the Cut-Off Date Aggregate Principal Balance
of the Mortgage Loans. The Original Class B-2 Subordination Level is expected to
be approximately  2.25%. The  "Current Class  B-2 Subordination  Level" for  any
Distribution  Date  is  the  percentage  obtained by  dividing  the  sum  of the
then-outstanding Class B Subclass Principal Balances of the Class B-3 and  Class
B-4  Certificates  by the  sum of  the Class  A Principal  Balance, the  Class M
Principal Balance and the Class B Principal Balance.
 
    In the  event that  the Class  B-3 Certificates  are rated  by a  nationally
recognized statistical rating agency at the request of the Seller, the "Original
Class B-3 Subordination Level" is the percentage obtained by dividing the sum of
the  initial Class B Subclass Principal Balance of the Class B-4 Certificates by
the Cut-Off Date Aggregate Principal Balance of the Mortgage Loans. The Original
Class B-3 Subordination Level  is expected to be  1.00%. The "Current Class  B-3
Subordination  Level" for  any Distribution Date  is the  percentage obtained by
dividing the sum of the then-outstanding  Class B Subclass Principal Balance  of
the  Class B-4  Certificates by the  sum of  the Class A  Principal Balance, the
Class M Principal Balance and the Class B Principal Balance.
 
    The initial Class B Subclass Principal Balance of each subclass of the Class
B Certificates will be  determined based on the  final subordination levels  and
will  be  set forth  in the  Pooling  and Servicing  Agreement. However,  in the
aggregate, the initial principal balance of the Class B Certificates will remain
at approximately $25,716,862.
 
  ALLOCATION OF AMOUNT TO BE DISTRIBUTED TO THE CLASS A AND CLASS M CERTIFICATES
 
    On each Distribution Date occurring prior to the Cross-Over Date, a  portion
of  the Class A Principal Distribution Amount, calculated by multiplying (x) the
fraction equal to  $201,000 (I.E.,  the sum  of the  aggregate initial  Subclass
Principal  Balances of the Class A-11 and Class A-R Certificates) divided by the
 
                                      S-29
<PAGE>
initial aggregate Subclass Principal Balance of the Class A Certificates  (which
fraction,  expressed as a percentage, is expected to be approximately 0.050428%)
by (y)  the  Class A  Principal  Distribution  Amount, will  be  distributed  in
reduction  of the Subclass  Principal Balances of  the Class A-11  and Class A-R
Certificates pro rata based on their Subclass Principal Balances. The  remainder
of the Class A Principal Distribution Amount on each Distribution Date occurring
prior  to  the  Cross-Over  Date  will be  allocated  among  and  distributed in
reduction of  the  principal  balances  of  the  other  Subclasses  of  Class  A
Certificates as follows:
 
        FIRST,   concurrently,  approximately   71.428571%  to   the  Class  A-1
    Certificates and  approximately 28.571429%  to the  Class A-7  Certificates,
    until  the Class A Subclass Principal  Balance of the Class A-1 Certificates
    has been reduced to zero;
 
        SECOND, to  the  Class A-2  Certificates,  until the  Class  A  Subclass
    Principal Balance thereof has been reduced to zero;
 
        THIRD,   concurrently,  approximately   26.989482%  to   the  Class  A-3
    Certificates, approximately  62.214725% to  the Class  A-4 Certificates  and
    approximately  10.795793% to the  Class A-7 Certificates,  until the Class A
    Subclass Principal Balances of the Class A-3 Certificates and the Class  A-4
    Certificates have been reduced to zero;
 
        FOURTH,   concurrently,  approximately  83.333333%   to  the  Class  A-5
    Certificates and  approximately 16.666667%  to the  Class A-7  Certificates,
    until  the Class A Subclass Principal  Balance of the Class A-5 Certificates
    has been reduced to zero;
 
        FIFTH,  concurrently,  approximately   83.333333%  to   the  Class   A-6
    Certificates  and approximately  16.666667% to  the Class  A-7 Certificates,
    until the Class A Subclass Principal  Balances thereof have been reduced  to
    zero; and
 
        SIXTH,  sequentially,  to  the  Class  A-8,  Class  A-9  and  Class A-10
    Certificates, until  the Class  A Subclass  Principal Balance  of each  such
    Class A Subclass has been reduced to zero.
 
    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.
 
ADDITIONAL RIGHTS OF THE CLASS A-R CERTIFICATEHOLDERS
 
    The  Class A-R 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  Certificates  will be
entitled to receive the proceeds of the remaining assets of the Trust Estate, if
any, on the final Distribution Date  for the Series 1992-37 Certificates,  after
distributions  in  respect of  any  accrued but  unpaid  interest on  the Series
1992-37 Certificates and after distributions  in reduction of principal  balance
have  reduced the principal balances of the Series 1992-37 Certificates to zero.
It is not  anticipated that  there will  be any  assets remaining  in the  Trust
Estate  on the final  Distribution Date following  the distributions of interest
and in reduction of principal balance made on the Series 1992-37 Certificates on
such date.
 
                                      S-30
<PAGE>
    In   addition,  Class  A-R  Certificateholders  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.
 
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 1992-37  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 (each a "Periodic Advance").
 
    The Pooling and Servicing Agreement  provides that any Periodic Advance  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 "Reserve Fund Trigger Date"), a reserve
fund (the "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 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  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  Reserve
Fund  on such Distribution Date) and (iii) an amount equal to the amount then in
the Reserve Fund, less any reinvestment income  or gain to be released from  the
Reserve  Fund  as  described  in  the  following  paragraph  (the  "Reserve Fund
Available Advance Amount").  The Pooling  and Servicing  Agreement will  provide
that  any such  advance made  from the  Reserve Fund  will be  reimbursed to the
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 Reserve Fund, if  established, will not be  a
part of the Trust Estate.
 
    The  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  "Reserve Fund  Depository"), the  Servicer and the
Trustee and will be held by  the Reserve Fund Depository. Following the  Reserve
Fund  Trigger Date, should such  date occur, the Reserve  Fund will be funded by
the deposit with the 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    Reserve   Fund   Trigger    Date   or   (ii)   such
 
                                      S-31
<PAGE>
lesser amount as Moody's may specify (the "Reserve Fund Required Amount"). After
the Reserve Fund  Required Amount  has been deposited  in the  Reserve Fund,  no
person  will have any further obligation to  deposit amounts in the Reserve Fund
or to maintain the  amounts in the Reserve  Fund at that level  even if at  some
future  date amounts in  the Reserve Fund  fall below the  Reserve Fund Required
Amount as  a result  of unreimbursed  advances  made from  the Reserve  Fund  or
withdrawals  permitted  by  Moody's. The  amounts  in  the 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 Reserve Fund Depository or
any other person. After the Class A Principal Balance has been reduced to  zero,
any  amounts  in the  Reserve  Fund will  be released  to  the Servicer  (or its
designee).
 
    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.
 
RESTRICTIONS ON TRANSFER OF THE CLASS A-R AND CLASS M CERTIFICATES
 
    The Class A-R Certificates will be subject to the following restrictions  on
transfer and 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  Certificates as well  as holders of  the
Class  A-R  Certificates  that  are Pass-Through  Entities  (as  defined  in the
Prospectus). The Pooling and Servicing Agreement  will provide that no legal  or
beneficial  interest  in  a  Class  A-R 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
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  its Class A-R 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 such  Class A-R Certificate and  that it will not  transfer
such Class A-R 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, a Class A-R Certificate may not be purchased by or transferred
to any person that  is not a  "U.S. Person," unless (i)  such person holds  such
Class  A-R 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
such Class  A-R 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.
 
                                      S-32
<PAGE>
    The Class A-R  Certificates may  not 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.
 
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 holders of the Class A-11 Certificates will also include the Class
A-11 Notional Amount and the weighted average Net Mortgage Interest Rate of  the
Mortgage  Loans applicable to such Distribution  Date minus 7.50%. The statement
delivered to the  holders of the  Class A-R Certificates  will also include  the
Class  A-R 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  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 and  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 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
 
                                      S-33
<PAGE>
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  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 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  subclasses  of  Class  B
Certificates sequentially in their  reverse numerical order,  until the Class  B
Subclass Principal Balances of each such subclass have 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 Subclass Principal  Balances 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.
 
    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 with
 
                                      S-34
<PAGE>
respect to  the principal  portion of  such losses  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.
 
    The interest portion of  Excess Special Hazard  Losses, Excess Fraud  Losses
and  Excess Bankruptcy Losses will be allocated by reducing the applicable Class
B Subclass Interest Accrual Amount, Class  M Interest Accrual Amount or Class  A
Interest Accrual Amount.
 
    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. In  general, 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, 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  1992-37 Certificates, the  "Special
Hazard  Loss Amount" with  respect thereto will be  equal to approximately 1.00%
(approximately $4,285,939) 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 1992-37  Certificates,  the "Fraud  Loss  Amount"  with
respect  thereto will be equal to approximately 2.00% (approximately $8,571,877)
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
 
                                      S-35
<PAGE>
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 1992-37 Certificates, the
"Bankruptcy Loss Amount"  with respect  thereto will be  equal to  approximately
0.21%  (approximately $920,450) 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 $25,716,862, the 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--   Representations  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-36
<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 1,803 promissory notes, to
have an aggregate unpaid principal balance as of the Cut-Off Date (the  "Cut-Off
Date  Aggregate Principal Balance") of approximately $428,593,862, to be secured
by first liens (the "Mortgages")  on one- to four-family residential  properties
(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  $30,000  or more  than $999,363,  and the
average unpaid  principal  balance of  the  Mortgage  Loans is  expected  to  be
approximately  $237,712. The latest stated maturity  date of any of the Mortgage
Loans is expected to be October 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, 1,710 of
the Mortgaged Properties, which secure approximately 96.88% of the Cut-Off  Date
Aggregate  Principal Balance  of the  Mortgage Loans,  are expected  to be owner
occupied primary residences  and 93  of the Mortgaged  Properties, which  secure
approximately  3.12%  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
0.38% 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 1992-37 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
    1992-37 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-37
<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>
7.750%.................................................          54   $      9,857,217.08         2.30%
7.875%.................................................         119         26,494,642.94         6.18
8.000%.................................................         270         59,148,288.82        13.80
8.125%.................................................         307         76,764,058.12        17.92
8.250%.................................................         298         74,547,289.46        17.39
8.375%.................................................         250         62,075,118.74        14.48
8.500%.................................................         221         53,899,126.42        12.58
8.625%.................................................         119         29,105,633.65         6.79
8.750%.................................................          64         16,224,538.61         3.79
8.875%.................................................          28          5,782,121.55         1.35
9.000%.................................................          22          4,433,384.89         1.03
9.125%.................................................          13          2,945,916.06         0.69
9.250%.................................................          14          3,400,592.25         0.79
9.375%.................................................           9          1,495,259.09         0.35
9.500%.................................................           6          1,135,114.93         0.26
9.625%.................................................           6            772,496.64         0.18
9.750%.................................................           1             58,417.44         0.01
9.875%.................................................           2            454,644.87         0.11
                                                              -----   -------------------      -------
        Total..........................................       1,803   $    428,593,861.56       100.00%
                                                              -----   -------------------      -------
                                                              -----   -------------------      -------
</TABLE>
 
As  of the  Cut-Off Date,  the weighted  average Mortgage  Interest Rate  of the
Mortgage Loans  is  expected to  be  approximately  8.294% 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 8.094% per annum.
 
                                      S-38
<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>
350....................................................           2   $        382,975.73         0.09%
351....................................................           4            995,148.55         0.23
353....................................................           7          1,474,763.24         0.34
354....................................................          13          2,660,347.94         0.62
355....................................................          10          2,541,819.02         0.59
356....................................................          17          3,731,591.76         0.87
357....................................................          39          8,095,857.90         1.89
358....................................................          96         19,463,064.46         4.54
359....................................................         666        174,910,723.34        40.81
360....................................................         949        214,337,569.62        50.02
                                                              -----   -------------------      -------
        Total..........................................       1,803   $    428,593,861.56       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 359 months.
 
                              YEARS OF ORIGINATION
 
<TABLE>
<CAPTION>
                                                                                           PERCENTAGE OF
                                                                           AGGREGATE        CUT-OFF DATE
                                                          NUMBER OF         UNPAID           AGGREGATE
                                                          MORTGAGE         PRINCIPAL         PRINCIPAL
YEAR OF ORIGINATION                                         LOANS           BALANCE           BALANCE
- -------------------------------------------------------  -----------  -------------------  --------------
<S>                                                      <C>          <C>                  <C>
1991...................................................           7   $      1,677,228.08         0.39%
1992...................................................       1,796        426,916,633.48        99.61
                                                              -----   -------------------      -------
        Total..........................................       1,803   $    428,593,861.56       100.00%
                                                              -----   -------------------      -------
                                                              -----   -------------------      -------
</TABLE>
 
It  is expected that the earliest month  and year of origination of any Mortgage
Loan was November 1991 and the latest month and year of origination was  October
1992.
 
                                      S-39
<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.........................................         141   $     31,104,752.76         7.26%
50.01-55.00%...........................................          69         16,758,664.60         3.91
55.01-60.00%...........................................          97         23,964,220.26         5.59
60.01-65.00%...........................................         112         28,351,450.02         6.61
65.01-70.00%...........................................         178         47,143,422.45        11.00
70.01-75.00%...........................................         381         93,299,927.74        21.77
75.01-80.00%...........................................         579        137,050,351.56        31.98
80.01-85.00%...........................................          34          7,457,856.57         1.74
85.01-90.00%...........................................         212         43,463,215.60        10.14
                                                              -----   -------------------      -------
        Total..........................................       1,803   $    428,593,861.56       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  12.50%  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. See "The Trust Estates--Mortgage Loans" in the Prospectus. It
is expected  that 131  of  the Mortgage  Loans  having Loan-to-Value  Ratios  at
origination  in excess of  80%, representing approximately  5.28% 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.....................................       1,108   $    277,510,011.96        64.75%
Asset and Income Verification..........................           9          1,241,833.87         0.29
Asset and Mortgage Verification........................         285         72,085,960.88        16.82
Income and Mortgage Verification.......................         106         18,383,287.94         4.29
Asset Verification.....................................         140         24,743,785.18         5.77
Income Verification....................................           1            137,814.29         0.03
Mortgage Verification..................................         100         26,299,060.98         6.14
Preferred Processing...................................          54          8,192,106.46         1.91
                                                              -----   -------------------      -------
        Total..........................................       1,803   $    428,593,861.56       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-40
<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.........................         662   $     75,935,301.19        17.72%
$200,001-$250,000......................................         341         78,042,711.60        18.21
$250,001-$300,000......................................         353         97,061,158.78        22.64
$300,001-$350,000......................................         178         57,823,027.58        13.49
$350,001-$400,000......................................         107         40,304,461.70         9.40
$400,001-$450,000......................................          68         28,755,658.00         6.71
$450,001-$500,000......................................          55         26,349,042.63         6.15
$500,001-$550,000......................................          11          5,787,682.81         1.35
$550,001-$600,000......................................          18         10,683,625.26         2.49
$600,001-$650,000......................................           1            648,000.00         0.15
$650,001-$700,000......................................           2          1,325,000.00         0.31
$700,001-$750,000......................................           3          2,221,376.38         0.52
$750,001-$800,000......................................           1            799,515.36         0.19
$900,001-$950,000......................................           1            906,500.00         0.21
$950,001-$1,000,000....................................           2          1,950,800.27         0.46
                                                              -----   -------------------      -------
        Total..........................................       1,803   $    428,593,861.56       100.00%
                                                              -----   -------------------      -------
                                                              -----   -------------------      -------
</TABLE>
 
As of the  Cut-Off Date, the  average unpaid principal  balance of the  Mortgage
Loans  is expected  to be  approximately $237,712. 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 62.00%
and  74.30%,  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.................................       1,600   $    398,345,993.61        92.94%
Two- to four-family units..............................          11          3,585,346.36         0.84
Condominiums
    High-rise (four stories or more)...................          30          4,450,260.69         1.04
    Low-rise (less than four stories)..................         149         20,026,510.90         4.67
Planned unit developments..............................           8          1,532,500.00         0.36
Townhouses.............................................           5            653,250.00         0.15
Cooperative units......................................           0                  0.00         0.00
                                                              -----   -------------------      -------
        Total..........................................       1,803   $    428,593,861.56       100.00%
                                                              -----   -------------------      -------
                                                              -----   -------------------      -------
</TABLE>
 
                                      S-41
<PAGE>
               GEOGRAPHICAL 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.........................................................           4   $        418,700.00         0.10%
Arizona.........................................................          18          3,135,881.86         0.73
Arkansas........................................................           1            109,050.00         0.03
California......................................................         826        245,271,516.64        57.19
Colorado........................................................          22          3,204,839.85         0.75
Connecticut.....................................................          64         16,022,060.60         3.74
Delaware........................................................           8            830,448.92         0.19
District of Columbia............................................           7          1,569,747.18         0.37
Florida.........................................................          59          7,416,833.33         1.73
Georgia.........................................................          21          3,343,372.16         0.78
Hawaii..........................................................           3          1,185,644.81         0.28
Idaho...........................................................           1             40,000.00         0.01
Illinois........................................................          21          4,867,415.46         1.14
Indiana.........................................................           5            865,725.47         0.20
Iowa............................................................           1             92,829.78         0.02
Kansas..........................................................           2            375,868.77         0.09
Kentucky........................................................           3            364,721.41         0.09
Louisiana.......................................................           1             65,600.00         0.02
Maine...........................................................           5            412,830.50         0.10
Maryland........................................................          56         12,939,283.23         3.02
Massachusetts...................................................          38          8,192,054.71         1.91
Michigan........................................................          12          1,618,602.85         0.38
Minnesota.......................................................           6            876,900.00         0.20
Mississippi.....................................................           1             67,500.00         0.02
Missouri........................................................           2            105,000.00         0.02
Montana.........................................................           2            286,150.00         0.07
Nevada..........................................................           5          1,083,320.84         0.25
New Hampshire...................................................           5            675,471.65         0.16
New Jersey......................................................         214         37,408,219.52         8.73
New Mexico......................................................           6          1,148,778.57         0.27
New York........................................................         161         32,225,098.17         7.52
North Carolina..................................................          13          2,097,062.04         0.49
Ohio............................................................           5            521,465.51         0.12
Oklahoma........................................................           1            111,446.97         0.03
Oregon..........................................................           5            905,439.21         0.21
Pennsylvania....................................................          47          8,268,111.31         1.93
Rhode Island....................................................           3            231,369.42         0.05
South Carolina..................................................          16          2,077,866.08         0.48
Tennessee.......................................................           8            970,305.82         0.23
Texas...........................................................          50         10,890,278.95         2.54
Utah............................................................           3            466,407.67         0.11
Vermont.........................................................           4            427,900.00         0.10
Virginia........................................................          42          9,926,962.63         2.32
Washington......................................................          22          4,950,579.67         1.16
West Virginia...................................................           1            103,200.00         0.02
Wisconsin.......................................................           1            158,000.00         0.04
Wyoming.........................................................           2            268,000.00         0.06
                                                                  -----------  -------------------      -------
        Total...................................................       1,803   $    428,593,861.56       100.00%
                                                                  -----------  -------------------      -------
                                                                  -----------  -------------------      -------
</TABLE>
 
No more than approximately 0.95% 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-42
<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...............................................         758   $    158,775,866.30        37.05%
Other Originators...............................................       1,045        269,817,995.26        62.95
                                                                       -----   -------------------      -------
        Total...................................................       1,803   $    428,593,861.56       100.00%
                                                                       -----   -------------------      -------
                                                                       -----   -------------------      -------
</TABLE>
 
It is expected that as of the Cut-Off Date, two of the "Other Originators"  will
have  accounted for approximately 5.68% and  5.39%, 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........................................................         692   $    143,407,788.59        33.46%
Rate/Term Refinance.............................................         875        227,131,751.26        52.99
Equity Take Out Refinance.......................................         236         58,054,321.71        13.55
                                                                       -----   -------------------      -------
        Total...................................................       1,803   $    428,593,861.56       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 1992-37
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 Trust Estate to tax or cause the Trust Estate
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-43
<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-44
<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
                                 -----------  --------------  ---------  --------------  ---------  --------------
<S>                              <C>          <C>             <C>        <C>             <C>        <C>
                                                           (DOLLAR AMOUNTS IN THOUSANDS)
 
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
                                 --------------------------  --------------------------  --------------------------
<S>                              <C>                         <C>                         <C>
                                                           (DOLLAR AMOUNTS IN THOUSANDS)
 
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-45
<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
                                 -----------  --------------  ---------  --------------  ---------  --------------
<S>                              <C>          <C>             <C>        <C>             <C>        <C>
                                                           (DOLLAR AMOUNTS IN THOUSANDS)
 
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
                                 --------------------------  --------------------------  --------------------------
<S>                              <C>                         <C>                         <C>
                                                           (DOLLAR AMOUNTS IN THOUSANDS)
 
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-46
<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
                                -----------  -------------  -----------  --------------  ---------  --------------
<S>                             <C>          <C>            <C>          <C>             <C>        <C>
                                                          (DOLLAR AMOUNTS IN THOUSANDS)
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-47
<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-48
<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  1992-37 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. The extent to which any  Subclass
of  Class A Certificates or the Class M Certificates are purchased at a discount
or a premium and the degree to which the timing of payments on such Subclass  or
Class  is sensitive to prepayments 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, 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 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
 
                                      S-49
<PAGE>
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.
 
    As  indicated under "Federal Income Tax  Considerations" herein, a Class A-R
Certificateholder's REMIC  taxable income  and the  tax liability  thereon  will
exceed cash distributions to such holder 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 a Class A-R Certificate 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 CERTIFICATES MAY BE
SIGNIFICANTLY LOWER THAN WOULD  BE THE CASE IF  THE CLASS A-R 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 investors. 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.
 
    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,  "50%  SPA"  assumes
prepayment rates equal to 50% 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  November
1,  1992, (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 October 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 1992-37 Certificates will be
issued on October 30, 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
 
                                      S-50
<PAGE>
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-51
<PAGE>
 PERCENTAGE OF INITIAL CLASS A SUBCLASS PRINCIPAL BALANCE AND CLASS M PRINCIPAL
                            BALANCE OUTSTANDING FOR:
<TABLE>
<CAPTION>
                                                      CLASS A-1                                         CLASS A-2
                                                 CERTIFICATES AT THE                               CERTIFICATES AT THE
                                                FOLLOWING PERCENTAGES                             FOLLOWING PERCENTAGES
                                                        OF SPA                                            OF SPA
<S>                   <C>        <C>          <C>          <C>          <C>          <C>          <C>        <C>          <C>
 
<CAPTION>
    DISTRIBUTION
        DATE             0%          50%         125%         240%         300%         425%         0%          50%
<S>                   <C>        <C>          <C>          <C>          <C>          <C>          <C>        <C>          <C>
Initial.............        100         100          100          100          100          100         100         100
October 1993........         95          90           82           70           64           51         100         100
October 1994........         89          71           44            3            0            0         100         100
October 1995........         83          45            0            0            0            0         100         100
October 1996........         76          19            0            0            0            0         100         100
October 1997........         69           0            0            0            0            0         100          93
October 1998........         61           0            0            0            0            0         100          65
October 1999........         52           0            0            0            0            0         100          38
October 2000........         43           0            0            0            0            0         100          11
October 2001........         33           0            0            0            0            0         100           0
October 2002........         22           0            0            0            0            0         100           0
October 2003........         10           0            0            0            0            0         100           0
October 2004........          0           0            0            0            0            0          97           0
October 2005........          0           0            0            0            0            0          80           0
October 2006........          0           0            0            0            0            0          63           0
October 2007........          0           0            0            0            0            0          43           0
October 2008........          0           0            0            0            0            0          22           0
October 2009........          0           0            0            0            0            0           0           0
October 2010........          0           0            0            0            0            0           0           0
October 2011........          0           0            0            0            0            0           0           0
October 2012........          0           0            0            0            0            0           0           0
October 2013........          0           0            0            0            0            0           0           0
October 2014........          0           0            0            0            0            0           0           0
October 2015........          0           0            0            0            0            0           0           0
October 2016........          0           0            0            0            0            0           0           0
October 2017........          0           0            0            0            0            0           0           0
October 2018........          0           0            0            0            0            0           0           0
October 2019........          0           0            0            0            0            0           0           0
October 2020........          0           0            0            0            0            0           0           0
October 2021........          0           0            0            0            0            0           0           0
October 2022........          0           0            0            0            0            0           0           0
Weighted Average
  Life (years)(1)...       6.85        2.77         1.78         1.31         1.17         0.98       14.60        6.59
 
<CAPTION>
                                                                                           CLASS A-3 AND CLASS A-4
                                                                                             CERTIFICATES AT THE
                                                                                            FOLLOWING PERCENTAGES
                                                                                                   OF SPA
<S>                   <C>
    DISTRIBUTION
        DATE             125%         240%         300%         425%         0%         50%       125%        240%         300%
<S>                   <C>
Initial.............         100          100          100          100         100        100        100         100          100
October 1993........         100          100          100          100         100        100        100         100          100
October 1994........         100          100           79           29         100        100        100         100          100
October 1995........          89            0            0            0         100        100        100          99           54
October 1996........          31            0            0            0         100        100        100           4            0
October 1997........           0            0            0            0         100        100         77           0            0
October 1998........           0            0            0            0         100        100         27           0            0
October 1999........           0            0            0            0         100        100          0           0            0
October 2000........           0            0            0            0         100        100          0           0            0
October 2001........           0            0            0            0         100         84          0           0            0
October 2002........           0            0            0            0         100         58          0           0            0
October 2003........           0            0            0            0         100         31          0           0            0
October 2004........           0            0            0            0         100          6          0           0            0
October 2005........           0            0            0            0         100          0          0           0            0
October 2006........           0            0            0            0         100          0          0           0            0
October 2007........           0            0            0            0         100          0          0           0            0
October 2008........           0            0            0            0         100          0          0           0            0
October 2009........           0            0            0            0         100          0          0           0            0
October 2010........           0            0            0            0          74          0          0           0            0
October 2011........           0            0            0            0          47          0          0           0            0
October 2012........           0            0            0            0          16          0          0           0            0
October 2013........           0            0            0            0           0          0          0           0            0
October 2014........           0            0            0            0           0          0          0           0            0
October 2015........           0            0            0            0           0          0          0           0            0
October 2016........           0            0            0            0           0          0          0           0            0
October 2017........           0            0            0            0           0          0          0           0            0
October 2018........           0            0            0            0           0          0          0           0            0
October 2019........           0            0            0            0           0          0          0           0            0
October 2020........           0            0            0            0           0          0          0           0            0
October 2021........           0            0            0            0           0          0          0           0            0
October 2022........           0            0            0            0           0          0          0           0            0
Weighted Average
  Life (years)(1)...        3.71         2.54         2.26         1.89       18.87      10.33       5.57        3.54         3.06
 
<CAPTION>
 
    DISTRIBUTION
        DATE             425%
Initial.............         100
October 1993........         100
October 1994........         100
October 1995........           0
October 1996........           0
October 1997........           0
October 1998........           0
October 1999........           0
October 2000........           0
October 2001........           0
October 2002........           0
October 2003........           0
October 2004........           0
October 2005........           0
October 2006........           0
October 2007........           0
October 2008........           0
October 2009........           0
October 2010........           0
October 2011........           0
October 2012........           0
October 2013........           0
October 2014........           0
October 2015........           0
October 2016........           0
October 2017........           0
October 2018........           0
October 2019........           0
October 2020........           0
October 2021........           0
October 2022........           0
Weighted Average
  Life (years)(1)...        2.50
</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-52
<PAGE>
 PERCENTAGE OF INITIAL CLASS A SUBCLASS PRINCIPAL BALANCE AND CLASS M PRINCIPAL
                            BALANCE OUTSTANDING FOR:
<TABLE>
<CAPTION>
                                                    CLASS A-5                                            CLASS A-6
                                               CERTIFICATES AT THE                                  CERTIFICATES AT THE
                                              FOLLOWING PERCENTAGES                                FOLLOWING PERCENTAGES
                                                      OF SPA                                              OF SPA
<S>                   <C>        <C>        <C>        <C>          <C>          <C>          <C>        <C>        <C>
 
<CAPTION>
    DISTRIBUTION
        DATE             0%         50%       125%        240%         300%         425%         0%         50%       125%
<S>                   <C>        <C>        <C>        <C>          <C>          <C>          <C>        <C>        <C>
Initial.............        100        100        100         100          100          100         100        100        100
October 1993........        100        100        100         100          100          100         100        100        100
October 1994........        100        100        100         100          100          100         100        100        100
October 1995........        100        100        100         100          100           53         100        100        100
October 1996........        100        100        100         100           27            0         100        100        100
October 1997........        100        100        100           0            0            0         100        100        100
October 1998........        100        100        100           0            0            0         100        100        100
October 1999........        100        100         75           0            0            0         100        100        100
October 2000........        100        100         20           0            0            0         100        100        100
October 2001........        100        100          0           0            0            0         100        100         81
October 2002........        100        100          0           0            0            0         100        100         52
October 2003........        100        100          0           0            0            0         100        100         26
October 2004........        100        100          0           0            0            0         100        100          1
October 2005........        100         73          0           0            0            0         100        100          0
October 2006........        100         39          0           0            0            0         100        100          0
October 2007........        100          5          0           0            0            0         100        100          0
October 2008........        100          0          0           0            0            0         100         82          0
October 2009........        100          0          0           0            0            0         100         60          0
October 2010........        100          0          0           0            0            0         100         39          0
October 2011........        100          0          0           0            0            0         100         18          0
October 2012........        100          0          0           0            0            0         100          0          0
October 2013........         78          0          0           0            0            0         100          0          0
October 2014........         31          0          0           0            0            0         100          0          0
October 2015........          0          0          0           0            0            0          87          0          0
October 2016........          0          0          0           0            0            0          52          0          0
October 2017........          0          0          0           0            0            0          14          0          0
October 2018........          0          0          0           0            0            0           0          0          0
October 2019........          0          0          0           0            0            0           0          0          0
October 2020........          0          0          0           0            0            0           0          0          0
October 2021........          0          0          0           0            0            0           0          0          0
October 2022........          0          0          0           0            0            0           0          0          0
Weighted Average
  Life (years)(1)...      21.63      13.71       7.49        4.54         3.86         3.05       24.06      17.52      10.16
 
<CAPTION>
                                                                                         CLASS A-7
                                                                                    CERTIFICATES AT THE
                                                                                   FOLLOWING PERCENTAGES
                                                                                           OF SPA
<S>                   <C>        <C>        <C>        <C>        <C>        <C>
    DISTRIBUTION
        DATE             240%         300%         425%         0%         50%       125%       240%       300%        425%
<S>                   <C>        <C>        <C>        <C>        <C>        <C>
Initial.............         100          100          100         100        100        100        100        100         100
October 1993........         100          100          100          98         95         92         87         84          78
October 1994........         100          100          100          95         87         75         57         56          56
October 1995........         100          100          100          92         76         56         56         49          34
October 1996........         100          100           26          89         64         56         42         30           7
October 1997........          99           43            0          86         56         53         25         11           0
October 1998........          44            0            0          83         56         46         11          0           0
October 1999........           0            0            0          79         56         38          0          0           0
October 2000........           0            0            0          75         56         29          0          0           0
October 2001........           0            0            0          70         54         21          0          0           0
October 2002........           0            0            0          65         50         13          0          0           0
October 2003........           0            0            0          60         46          7          0          0           0
October 2004........           0            0            0          56         43          0          0          0           0
October 2005........           0            0            0          56         37          0          0          0           0
October 2006........           0            0            0          56         32          0          0          0           0
October 2007........           0            0            0          56         26          0          0          0           0
October 2008........           0            0            0          56         21          0          0          0           0
October 2009........           0            0            0          56         15          0          0          0           0
October 2010........           0            0            0          52         10          0          0          0           0
October 2011........           0            0            0          48          4          0          0          0           0
October 2012........           0            0            0          44          0          0          0          0           0
October 2013........           0            0            0          38          0          0          0          0           0
October 2014........           0            0            0          31          0          0          0          0           0
October 2015........           0            0            0          22          0          0          0          0           0
October 2016........           0            0            0          13          0          0          0          0           0
October 2017........           0            0            0           3          0          0          0          0           0
October 2018........           0            0            0           0          0          0          0          0           0
October 2019........           0            0            0           0          0          0          0          0           0
October 2020........           0            0            0           0          0          0          0          0           0
October 2021........           0            0            0           0          0          0          0          0           0
October 2022........           0            0            0           0          0          0          0          0           0
Weighted Average
  Life (years)(1)...        5.93         4.95         3.79       15.33       9.37       5.38       3.32       2.84        2.25
 
<CAPTION>
                                                 CLASS A-8
                                            CERTIFICATES AT THE
                                           FOLLOWING PERCENTAGES
                                                   OF SPA
    DISTRIBUTION
        DATE             0%         50%       125%       240%       300%       425%
Initial.............        100        100        100        100        100        100
October 1993........        100        100        100        100        100        100
October 1994........        100        100        100        100        100        100
October 1995........        100        100        100        100        100        100
October 1996........        100        100        100        100        100        100
October 1997........        100        100        100        100        100         30
October 1998........        100        100        100        100         81          0
October 1999........        100        100        100         96         22          0
October 2000........        100        100        100         47          0          0
October 2001........        100        100        100          8          0          0
October 2002........        100        100        100          0          0          0
October 2003........        100        100        100          0          0          0
October 2004........        100        100        100          0          0          0
October 2005........        100        100         72          0          0          0
October 2006........        100        100         45          0          0          0
October 2007........        100        100         20          0          0          0
October 2008........        100        100          0          0          0          0
October 2009........        100        100          0          0          0          0
October 2010........        100        100          0          0          0          0
October 2011........        100        100          0          0          0          0
October 2012........        100         95          0          0          0          0
October 2013........        100         67          0          0          0          0
October 2014........        100         39          0          0          0          0
October 2015........        100         11          0          0          0          0
October 2016........        100          0          0          0          0          0
October 2017........        100          0          0          0          0          0
October 2018........         64          0          0          0          0          0
October 2019........          6          0          0          0          0          0
October 2020........          0          0          0          0          0          0
October 2021........          0          0          0          0          0          0
October 2022........          0          0          0          0          0          0
Weighted Average
  Life (years)(1)...      26.26      21.63      13.89       8.02       6.55       4.83
</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-53
<PAGE>
 PERCENTAGE OF INITIAL CLASS A SUBCLASS PRINCIPAL BALANCE AND CLASS M PRINCIPAL
                            BALANCE OUTSTANDING FOR:
<TABLE>
<CAPTION>
                                                 CLASS A-9                                              CLASS A-10
                                            CERTIFICATES AT THE                                    CERTIFICATES AT THE
                                           FOLLOWING PERCENTAGES                                  FOLLOWING PERCENTAGES
                                                   OF SPA                                                 OF SPA
<S>                   <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>
 
<CAPTION>
    DISTRIBUTION
        DATE             0%         50%       125%       240%       300%       425%        0%         50%       125%       240%
<S>                   <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>
Initial.............        100        100        100        100        100        100        100        100        100        100
October 1993........        100        100        100        100        100        100        100        100        100        100
October 1994........        100        100        100        100        100        100        100        100        100        100
October 1995........        100        100        100        100        100        100        100        100        100        100
October 1996........        100        100        100        100        100        100        100        100        100        100
October 1997........        100        100        100        100        100        100        100        100        100        100
October 1998........        100        100        100        100        100         71        100        100        100        100
October 1999........        100        100        100        100        100         35        100        100        100        100
October 2000........        100        100        100        100         83         11        100        100        100        100
October 2001........        100        100        100        100         57          0        100        100        100        100
October 2002........        100        100        100         82         38          0        100        100        100        100
October 2003........        100        100        100         62         22          0        100        100        100        100
October 2004........        100        100        100         45          9          0        100        100        100        100
October 2005........        100        100        100         30          0          0        100        100        100        100
October 2006........        100        100        100         18          0          0        100        100        100        100
October 2007........        100        100        100          8          0          0        100        100        100        100
October 2008........        100        100         98          0          0          0        100        100        100         98
October 2009........        100        100         82          0          0          0        100        100        100         80
October 2010........        100        100         67          0          0          0        100        100        100         66
October 2011........        100        100         54          0          0          0        100        100        100         53
October 2012........        100        100         42          0          0          0        100        100        100         43
October 2013........        100        100         30          0          0          0        100        100        100         34
October 2014........        100        100         19          0          0          0        100        100        100         27
October 2015........        100        100          9          0          0          0        100        100        100         21
October 2016........        100         87          0          0          0          0        100        100        100         16
October 2017........        100         66          0          0          0          0        100        100         80         12
October 2018........        100         45          0          0          0          0        100        100         61          8
October 2019........        100         23          0          0          0          0        100        100         44          6
October 2020........         58          1          0          0          0          0        100        100         28          3
October 2021........          8          0          0          0          0          0        100         50         13          1
October 2022........          0          0          0          0          0          0          0          0          0          0
Weighted Average
  Life (years)(1)...      28.18      25.78      19.54      11.97       9.64       6.72      29.59      29.04      26.79      20.20
 
<CAPTION>
                                                                                                                    CLASS M
                                                                  CERTIFICATES AT THE                              FOLLOWING
                                                                 FOLLOWING PERCENTAGES                            PERCENTAGES
 
                                                                         OF SPA                                      OF SPA
<S>                   <C>        <C>        <C>        <C>
    DISTRIBUTION
        DATE            300%       425%        0%         50%       125%       240%       300%       425%        0%         50%
<S>                   <C>        <C>        <C>        <C>
Initial.............        100        100        100        100        100        100        100        100        100        100
October 1993........        100        100         99         98         97         95         95         93         99         99
October 1994........        100        100         98         96         91         85         82         76         98         98
October 1995........        100        100         97         92         83         72         66         55         97         97
October 1996........        100        100         96         88         76         60         52         38         96         96
October 1997........        100        100         95         84         69         49         41         26         95         95
October 1998........        100        100         94         80         63         41         32         18         94         93
October 1999........        100        100         93         77         57         34         25         12         93         91
October 2000........        100        100         91         73         51         28         20          9         91         88
October 2001........        100         90         90         70         47         24         16          6         90         84
October 2002........        100         65         88         66         42         20         13          4         88         80
October 2003........        100         48         86         63         38         17         10          3         86         76
October 2004........        100         35         84         60         35         14          8          2         84         72
October 2005........         97         25         82         57         31         12          7          2         82         68
October 2006........         78         18         80         53         28         10          5          1         80         64
October 2007........         62         13         77         50         25          8          4          1         77         60
October 2008........         49          9         75         47         23          7          3          1         75         57
October 2009........         38          7         72         44         20          5          3          0         72         53
October 2010........         30          5         68         40         18          4          2          0         68         49
October 2011........         23          3         65         37         15          4          2          0         65         45
October 2012........         18          2         61         34         13          3          1          0         61         41
October 2013........         14          2         57         31         12          2          1          0         57         37
October 2014........         10          1         53         27         10          2          1          0         53         33
October 2015........          8          1         48         24          8          1          1          0         48         29
October 2016........          6          1         42         21          7          1          0          0         42         25
October 2017........          4          0         37         17          5          1          0          0         37         21
October 2018........          3          0         30         14          4          1          0          0         30         17
October 2019........          2          0         24         11          3          0          0          0         24         13
October 2020........          1          0         16          7          2          0          0          0         16          9
October 2021........          0          0          8          3          1          0          0          0          8          4
October 2022........          0          0          0          0          0          0          0          0          0          0
Weighted Average
  Life (years)(1)...      16.95      11.80      20.62      15.17      10.29       6.54       5.44       4.02      20.62      17.50
 
<CAPTION>
 
    DISTRIBUTION
        DATE            125%       240%       300%        425%
Initial.............        100        100        100         100
October 1993........         99         99         99          99
October 1994........         98         98         98          98
October 1995........         97         97         97          97
October 1996........         96         96         96          96
October 1997........         95         95         95          95
October 1998........         92         90         89          86
October 1999........         88         83         81          76
October 2000........         83         75         71          62
October 2001........         76         65         59          49
October 2002........         69         54         48          36
October 2003........         63         46         38          26
October 2004........         57         38         31          19
October 2005........         51         32         25          14
October 2006........         46         27         20          10
October 2007........         41         22         16           7
October 2008........         37         18         12           5
October 2009........         33         15         10           4
October 2010........         29         12          8           3
October 2011........         25         10          6           2
October 2012........         22          8          5           1
October 2013........         19          6          3           1
October 2014........         16          5          3           1
October 2015........         14          4          2           0
October 2016........         11          3          1           0
October 2017........          9          2          1           0
October 2018........          7          2          1           0
October 2019........          5          1          0           0
October 2020........          3          1          0           0
October 2021........          1          0          0           0
October 2022........          0          0          0           0
Weighted Average
  Life (years)(1)...      14.35      11.57      10.66        9.39
</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-54
<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 each  subclass 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 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).
 
                        POOLING AND SERVICING AGREEMENT
GENERAL
    The  Series 1992-37  Certificates will be  issued pursuant to  a Pooling and
Servicing Agreement to be dated as of the date of initial issuance of the Series
1992-37 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 1992-37 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-R Certificates)
evidencing at least a  $5,000,000 initial principal balance  or any holder of  a
Class   A-R  Certificate  evidencing  a   $100,000  initial  principal  balance,
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
1992-37 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 1992-37  Certificates  obtained by
dividing the then-outstanding Class M Principal Balance by the sum of the  then-
 
                                      S-55
<PAGE>
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 1992-37  Certificates. The  aggregate  Voting Interests  of the  Class  A
Certificates  other than the Class A-11 Certificates, on any date will be 97% of
the Class A Percentage on such date. The aggregate Voting Interest of the  Class
A-11 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-11 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-11  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 1992-37 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  1992-37
Certificates  and administrative services  provided by it  (the "Servicing Fee")
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. The servicing fees and other expenses of the REMIC will be allocated
to holders of the Class A-R Certificates 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.   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 1992-37
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
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.
 
                                      S-56
<PAGE>
                       FEDERAL INCOME TAX CONSIDERATIONS
 
    An  election will be  made to treat  the Trust Estate,  and the Trust Estate
will qualify, as a 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
and  Class A-10  Certificates and  the Class  M Certificates  (collectively, the
"Regular Certificates"),  together with  the Class  A-11 Certificates  and  each
subclass of the Class B Certificates, will be designated as regular interests in
the  REMIC and  the Class  A-R Certificates will  be designated  as the residual
interest in the REMIC.  The Class A-R  Certificates are "Residual  Certificates"
for purposes of the Prospectus.
 
    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.
 
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-6,
Class  A-10 and Class M 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  (plus  five  days of  interest  at  the
pass-through   rates  thereon)  over  their   issue  prices  (including  accrued
interest). It is further anticipated that  the Class A-1, Class A-2, Class  A-4,
Class  A-5, Class A-7 and Class A-8 Certificates will be issued at a premium and
that the Class A-9  Certificates will be issued  with DE MINIMIS original  issue
discount  for  federal income  tax purposes.  The  Class A-11  Certificates (not
offered hereby)  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
240%  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 Certificates must include the taxable income or
loss of the  REMIC in determining  their federal taxable  income. The Class  A-R
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 CERTIFICATEHOLDERS' REMIC  TAXABLE INCOME AND  THE
TAX  LIABILITY THEREON  WILL EXCEED  CASH DISTRIBUTIONS  TO SUCH  HOLDERS DURING
CERTAIN  PERIODS,  IN  WHICH  EVENT  A  HOLDER  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 REMIC
includible by  the holders  of the  Class A-R  Certificates will  be treated  as
"excess inclusion" income, resulting in (i) the inability of such holders to use
net  operating losses to offset  such taxable income (ii)  the treatment of such
taxable income as "unrelated business taxable income" to certain holders who are
otherwise tax-exempt, and (iii) the treatment of such taxable 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 Certificates will not exceed 2% of the fair market
value of  the REMIC,  the  Class A-R  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  Certificates  will  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
 
                                      S-57
<PAGE>
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 its Class A-R
Certificate and that  it will  not transfer such  Class A-R  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  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  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.
 
    An individual, trust or estate that  holds a Class A-R 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 of the REMIC 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  a  Class A-R
Certificate may not be  recovered until termination  of the REMIC.  Furthermore,
the federal income tax consequences of any consideration paid to a transferee on
a transfer of a Class A-R Certificate are unclear; any such transferee receiving
such consideration should consult its tax advisors.
 
    Legislation  has  been passed  by Congress  that  would generally  treat 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  would also
disallow 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  Certificates,
although  the  remaining  deductions  would not  be  subject  to  the applicable
limitations at the partner level. A "large partnership" generally would  include
a  partnership having  250 or  more partners.  This legislation,  proposed to be
effective for taxable years  ending on or after  December 31, 1992, is  awaiting
signature  by the  President. No prediction  can be made  regarding whether such
legislation   will    be   signed.    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  CERTIFICATES MAY BE SIGNIFICANTLY LOWER THAN
WOULD BE THE CASE IF THE CLASS A-R CERTIFICATES WERE TAXED AS DEBT INSTRUMENTS.
 
                              ERISA CONSIDERATIONS
 
    The Class A-R  Certificates may not  be purchased by  or transferred to  any
person  which is an employee benefit plan within the meaning of Section 3(3) of,
and which is subject to  the fiduciary duty rules  of Title 1, Sections  401-414
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"). 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 Certificates.
 
    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
 
                                      S-58
<PAGE>
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
A-R or 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  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  October  17, 1989,  the  DOL issued  to  the Underwriters  an individual
administrative exemption, Prohibited Transaction  Exemption 89-88, 54 Fed.  Reg.
42581  (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, other  than the
Class A-R or  Class M 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 Offered Certificates,  other
than  the Class A-R  and Class M  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, other than the Class A-R or  Class
M  Certificates, 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, other than the Class A-R and Class M Certificates. Any
fiduciary   of  an  ERISA  Plan  considering  whether  to  purchase  an  Offered
Certificate, other than  the Class  A-R and  Class M  Certificates, 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
 
                                      S-59
<PAGE>
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 Underwriters  intend to act as market makers
in the Offered  Certificates, subject  to applicable provisions  of federal  and
state  securities  laws  and other  regulatory  requirements, but  are  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  September 24, 1992 (the "Underwriting Agreement") among the Seller, PHMC and
Goldman,  Sachs  &  Co.,  as  underwriters  (the  "Underwriters"),  the  Offered
Certificates  offered  hereby  are  being  purchased  from  the  Seller  by  the
Underwriters upon issuance. The  Underwriters are committed  to purchase all  of
the  Offered  Certificates  if  any  Offered  Certificates  are  purchased.  The
Underwriters have advised  the Seller  that they  propose 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  99.281250% 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-11 Certificates at the rate  of 7.50% per annum from  October 1, 1992 to  (but
not  including)  October  30, 1992,  before  deducting expenses  payable  by the
Seller. The Underwriters, which are not  affiliates of the Seller, have  advised
the  Seller that the Underwriters have not  allocated the purchase price paid to
the Seller  among  the  Subclasses  or  Classes  of  Offered  Certificates.  The
Underwriters  and  any dealers  that participate  with  the Underwriters  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 Underwriters against certain civil  liabilities under the Securities Act  or
contribute to payments which the Underwriters 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 Underwriters 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 1992-37  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 1992-37 Certificates.
 
                                      S-60
<PAGE>
                                    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,  issues   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 that certificateholders of payments required under the
related pooling and servicing agreement. S&P 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  on the  mortgage pool  is adequate  to make  payments
required  under the  certificates. S&P's  ratings on  such certificates  do not,
however, constitute  a  statement  regarding frequency  of  prepayments  on  the
mortgages.
 
    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.
 
    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-61
<PAGE>
                              INDEX OF SIGNIFICANT
                       PROSPECTUS SUPPLEMENT DEFINITIONS
 
<TABLE>
<CAPTION>
TERM                                                                                                         PAGE
- ---------------------------------------------------------------------------------------------------------  ---------
<S>                                                                                                        <C>
Adjusted Pool Amount.....................................................................................    S-23
Bankruptcy Coverage Termination Date.....................................................................    S-36
Bankruptcy Loss..........................................................................................    S-26
Bankruptcy Loss Amount...................................................................................    S-36
Beneficial Owner.........................................................................................    S-18
Book-Entry Certificates..................................................................................     S-6
Book-Entry Nominee.......................................................................................    S-32
Cede.....................................................................................................    S-18
Class A Certificates.....................................................................................    Cover
Class A Distribution Amount..............................................................................    S-21
Class A Optimal Amount...................................................................................    S-24
Class A Optimal Principal Amount.........................................................................    S-25
Class A Percentage.......................................................................................    S-26
Class A Prepayment Percentage............................................................................    S-26
Class A Principal Balance................................................................................    S-22
Class A Principal Distribution Amount....................................................................    S-25
Class A Subclass Interest Accrual Amount.................................................................    S-21
Class A Subclass Interest Shortfall Amount...............................................................    S-24
Class A Subclass Principal Balance.......................................................................    S-22
Class A-11 Notional Amount...............................................................................    S-23
Class A-R Notional Amount................................................................................    S-23
Class B Certificates.....................................................................................    Cover
Class B Principal Balance................................................................................    S-23
Class B Subclass Interest Accrual Amount.................................................................    S-22
Class B Subclass Principal Balance.......................................................................    S-22
Class M Certificates.....................................................................................    Cover
Class M Distribution Amount..............................................................................    S-21
Class M Interest Accrual Amount..........................................................................    S-22
Class M Interest Shortfall Amount........................................................................    S-24
Class M Optimal Amount...................................................................................    S-24
Class M Optimal Principal Amount.........................................................................    S-27
Class M Percentage.......................................................................................    S-28
Class M Prepayment Percentage............................................................................    S-28
Class M Principal Balance................................................................................    S-22
Class M Principal Distribution Amount....................................................................    S-27
Code.....................................................................................................    S-17
Cooperatives.............................................................................................    S-33
Co-op Shares.............................................................................................    S-33
Cross-Over Date..........................................................................................    S-34
Current Class B-1 Subordination Level....................................................................    S-29
Current Class B-2 Subordination Level....................................................................    S-29
Current Class B-3 Subordination Level....................................................................    S-29
Current Class M Subordination Level......................................................................    S-29
Cut-Off Date Aggregate Principal Balance.................................................................    S-37
Debt Service Reduction...................................................................................    S-26
Deficient Valuation......................................................................................    S-26
Definitive Certificates..................................................................................    S-18
Depository Agreement.....................................................................................    S-31
Determination Date.......................................................................................    S-20
Distribution Date........................................................................................    S-20
DTC......................................................................................................     S-6
</TABLE>
 
                                      S-62
<PAGE>
<TABLE>
<CAPTION>
TERM                                                                                                         PAGE
- ---------------------------------------------------------------------------------------------------------  ---------
Enhancement Act..........................................................................................    S-59
<S>                                                                                                        <C>
ERISA....................................................................................................    S-17
ERISA Plan...............................................................................................    S-58
Excess Bankruptcy Losses.................................................................................    S-36
Excess Fraud Losses......................................................................................    S-36
Excess Special Hazard Losses.............................................................................    S-35
Exemption................................................................................................    S-59
Fixed Non-Relocation Program Loans.......................................................................    S-44
Fixed Program Loans......................................................................................    S-44
Fraud Coverage Termination Date..........................................................................    S-35
Fraud Loss...............................................................................................    S-26
Fraud Loss Amount........................................................................................    S-35
Indirect Participants....................................................................................    S-18
Liquidated Loan..........................................................................................    S-26
Liquidated Loan Loss.....................................................................................    S-26
Moody's..................................................................................................     S-4
Mortgage Loans...........................................................................................     S-2
Mortgaged Properties.....................................................................................    S-37
Mortgages................................................................................................    S-37
Net Foreclosure Profits..................................................................................    S-31
Net Mortgage Interest Rate...............................................................................    S-23
Non-Supported Interest Shortfall.........................................................................    S-23
Offered Certificates.....................................................................................    Cover
Original Class B-1 Subordination Level...................................................................    S-29
Original Class B-2 Subordination Level...................................................................    S-29
Original Class B-3 Subordination Level...................................................................    S-29
Original Class M Subordination Level.....................................................................    S-29
Original Subordinated Principal Balance..................................................................    S-27
Participants.............................................................................................    S-18
Percentage Interest......................................................................................    S-21
Periodic Advance.........................................................................................    S-31
PHMC.....................................................................................................     S-2
Pool Distribution Amount.................................................................................    S-20
Pool Distribution Amount Allocation......................................................................    S-21
Pool Scheduled Principal Balance.........................................................................    S-26
Pooling and Servicing Agreement..........................................................................    S-55
Prepayment Interest Shortfalls...........................................................................    S-23
Program Loans............................................................................................    S-44
Proposed REMIC Regulations...............................................................................    S-57
PTE 83-1.................................................................................................    S-59
Realized Losses..........................................................................................    S-26
Record Date..............................................................................................    S-26
Regular Certificates.....................................................................................    S-57
Relocation Mortgage Loans................................................................................    S-44
REMIC....................................................................................................     S-2
Reserve Fund.............................................................................................    S-31
Reserve Fund Available Advance Amount....................................................................    S-31
Reserve Fund Depository..................................................................................    S-31
Reserve Fund Required Amount.............................................................................    S-32
Reserve Fund Trigger Date................................................................................    S-31
S&P......................................................................................................     S-4
Scheduled Principal Balance..............................................................................    S-26
Securities Act...........................................................................................    S-59
Seller...................................................................................................     S-2
</TABLE>
 
                                      S-63
<PAGE>
<TABLE>
<CAPTION>
TERM                                                                                                         PAGE
- ---------------------------------------------------------------------------------------------------------  ---------
Series 1992-37 Certificates..............................................................................    Cover
<S>                                                                                                        <C>
Servicer.................................................................................................     S-2
Servicing Fee............................................................................................    S-56
SPA......................................................................................................    S-50
Special Hazard Loss......................................................................................    S-26
Special Hazard Loss Amount...............................................................................    S-35
Special Hazard Termination Date..........................................................................    S-35
Subclass.................................................................................................    Cover
Subordinated Certificates................................................................................    Cover
Subordinated Percentage..................................................................................    S-27
Subordinated Prepayment Percentage.......................................................................    S-27
Trust Estate.............................................................................................     S-2
Underwriters.............................................................................................    S-60
Underwriting Agreement...................................................................................    S-60
</TABLE>
 
                                      S-64
<PAGE>
- ---------------------------------------------
                                   ---------------------------------------------
- ---------------------------------------------
                                   ---------------------------------------------
 
NO  DEALER, SALESMAN OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION
OR TO MAKE ANY  REPRESENTATIONS NOT CONTAINED IN  THIS PROSPECTUS SUPPLEMENT  OR
THE  PROSPECTUS AND, IF GIVEN OR  MADE, SUCH INFORMATION OR REPRESENTATIONS MUST
NOT BE RELIED UPON AS HAVING BEEN  AUTHORIZED BY THE SELLER OR GOLDMAN, SACHS  &
CO.  THIS PROSPECTUS SUPPLEMENT AND THE PROSPECTUS DO NOT CONSTITUTE AN OFFER TO
SELL OR A SOLICITATION OF AN OFFER  TO BUY ANY OF THE SECURITIES OFFERED  HEREBY
IN  ANY JURISDICTION TO ANY PERSON TO WHOM  IT IS UNLAWFUL TO MAKE SUCH OFFER OR
SOLICITATION IN SUCH  JURISDICTION. THE DELIVERY  OF THIS PROSPECTUS  SUPPLEMENT
AND  THE PROSPECTUS AT ANY TIME DOES NOT IMPLY THAT INFORMATION CONTAINED HEREIN
OR THEREIN IS CORRECT AS OF ANY TIME SUBSEQUENT TO THE DATE HEREOF.
 
                                 -------------
 
                                     INDEX
 
                             PROSPECTUS SUPPLEMENT
 
<TABLE>
<CAPTION>
                                                     PAGE
                                                   ---------
<S>                                                <C>
Table of Contents................................        S-3
Summary Information..............................        S-4
Description of the Certificates..................       S-18
Description of the Mortgage Loans................       S-37
Origination, Delinquency and Foreclosure
 Experience......................................       S-44
Prepayment and Yield Considerations..............       S-48
Pooling and Servicing Agreement..................       S-55
Federal Income Tax Considerations................       S-57
ERISA Considerations.............................       S-58
Legal Investment.................................       S-59
Secondary Market.................................       S-60
Underwriting.....................................       S-60
Legal Matters....................................       S-60
Use of Proceeds..................................       S-60
Ratings..........................................       S-61
Index of Significant Prospectus Supplement
 Definitions.....................................       S-62
 
                         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>
 
                                  $402,876,000
                                 (APPROXIMATE)
 
                              THE PRUDENTIAL HOME
                              MORTGAGE SECURITIES
                                 COMPANY, INC.
 
                                     SELLER
 
                             MORTGAGE PASS-THROUGH
                          CERTIFICATES, SERIES 1992-37
 
                                 --------------
 
                             PROSPECTUS SUPPLEMENT
 
                                 --------------
 
                              GOLDMAN, SACHS & CO.
 
                                OCTOBER 23, 1992
 
- ---------------------------------------------
                                   ---------------------------------------------
- ---------------------------------------------
                                   ---------------------------------------------
<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 October 12, 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
                                                                                                                -----
Example of Distribution to
 Percentage Certificateholders.............................................................................          30
<S>                                                                                                          <C>
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.................................................................................          44
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
                                                                                                                -----
Certain Legal Aspects of the Mortgage Loans................................................................          61
<S>                                                                                                          <C>
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...............................................................          82
Taxation of Certain Foreign Investors......................................................................          82
    REGULAR CERTIFICATES...................................................................................          82
    RESIDUAL CERTIFICATES..................................................................................          82
Backup Withholding.........................................................................................          83
Reporting Requirements.....................................................................................          83
</TABLE>
 
                                       5
<PAGE>
<TABLE>
<CAPTION>
                                                                                                                PAGE
                                                                                                                -----
Federal Income Tax Consequences for Certificates as to Which No REMIC Election Is Made.....................          84
<S>                                                                                                          <C>
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 two  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 two 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.  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  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.
 
- --------------------------------------------------------------------------------
(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>
    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  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
 
                                       32
<PAGE>
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 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.
 
                                       33
<PAGE>
                                 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 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.
 
                                       34
<PAGE>
    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 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
 
                                       35
<PAGE>
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."
 
    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
 
                                       36
<PAGE>
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.
 
    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
 
                                       37
<PAGE>
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  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.
 
                                       38
<PAGE>
                      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 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
 
                                       39
<PAGE>
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 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
 
                                       40
<PAGE>
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.
 
    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.
 
                                       41
<PAGE>
    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 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
 
                                       42
<PAGE>
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  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
 
                                       43
<PAGE>
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.
 
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,
 
                                       44
<PAGE>
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 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
 
                                       45
<PAGE>
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 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
 
                                       46
<PAGE>
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%.
 
    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.
 
                                       47
<PAGE>
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 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
 
                                       48
<PAGE>
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.
 
    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
 
                                       49
<PAGE>
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.
 
    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
 
                                       50
<PAGE>
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).
 
                                       53
<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).
 
                                       56
<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
 
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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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<PAGE>
                  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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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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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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<PAGE>
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
 
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<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
 
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<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
 
                                       75
<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
 
                                       78
<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
 
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<PAGE>
months of the Startup  Day, (b) foreclosure, default,  or imminent default of  a
qualified  mortgage, (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.
 
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<PAGE>
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 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
 
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<PAGE>
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 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.  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  and  original issue  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. Treasury regulations provide that information necessary to compute  the
accrual of any market discount on the Regular Certificates must be furnished for
calendar years beginning after 1990.
 
    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,
 
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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, 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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    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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<PAGE>
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
 
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<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
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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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.
 
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<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)
 
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<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
 
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<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
 
    Except  for Standard  Certificates which are  not rated,  as discussed below
under "Rating", 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 Secondary  Mortgage
Market Enhancement Act of 1984 (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 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).
 
                                       95
<PAGE>
    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.
 
    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
 
                                       96
<PAGE>
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  two
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
- -----------------------------------------------------------------------------------------------------------     -----
Pool Value Group...........................................................................................          32
<S>                                                                                                          <C>
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>
SUPPLEMENT
(TO PROSPECTUS SUPPLEMENT DATED OCTOBER 23, 1992 AND PROSPECTUS DATED OCTOBER
12, 1992)
 
THE PRUDENTIAL HOME MORTGAGE SECURITIES COMPANY, INC. [LOGO]
 
                                     SELLER
 
               MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 1992-37
         PRINCIPAL AND INTEREST PAYABLE MONTHLY, COMMENCING IN MAY 1996
 
                    VARIABLE RATE(1) CLASS A-11 CERTIFICATES
                     (1) ON THE CLASS A-11 NOTIONAL AMOUNT
                              -------------------
 
    The  Series 1992-37 Mortgage Pass-Through  Certificates (the "Series 1992-37
Certificates") are the Series 1992-37 Certificates described in the accompanying
Prospectus Supplement dated October 23,  1992 (the "Prospectus Supplement")  and
the  accompanying  Prospectus dated  October  12, 1992  (the  "Prospectus"). The
Series 1992-37 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 twelve 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  and Class  A-R
Certificates.  The Class  M Certificates  are not  divided into  subclasses. The
Class B Certificates consist  of four subclasses  of Certificates designated  as
the  Class B-1, Class B-2, Class B-3  and Class B-4 Certificates. Only the Class
A-11 Certificates  are being  offered hereby.  The Series  1992-37  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. 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 and "Risk Factors
and Special Considerations" herein.
 
    PROSPECTIVE INVESTORS IN  THE CLASS  A-11 CERTIFICATES  SHOULD CONSIDER  THE
FACTORS DISCUSSED UNDER "RISK FACTORS AND SPECIAL CONSIDERATIONS" HEREIN ON PAGE
S1-3.
 
    The  credit  enhancement for  the  Series 1992-37  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-11  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-11
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-11  Certificates are being  offered by PaineWebber  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 Class  A-11 Certificates will be  approximately
1.37% of the Pool Scheduled Principal Balance as of the Distribution Date in May
1996  without  giving effect  to partial  principal  prepayments or  net partial
liquidation proceeds received on or after the Determination Date in April  1996,
plus  accrued interest from April 1, 1996 to (but not including) April 16, 1996,
before deducting expenses  payable by the  Seller estimated to  be $45,000.  See
"Underwriting" herein.
 
    The Class A-11 Certificates are offered subject to receipt and acceptance by
the  Underwriter, to  prior sale  and to the  Underwriter's right  to reject any
order in whole or in  part and to withdraw, cancel  or modify the offer  without
notice. It is expected that delivery of the Class A-11 Certificates will be made
at  the office  of PaineWebber  Incorporated, 1285  Avenue of  the Americas, New
York, New York 10019, on or about April 16, 1996.
                             ---------------------
 
                            PAINEWEBBER INCORPORATED
                                  -----------
 
                 The date of this Supplement is April 11, 1996.
<PAGE>
(CONTINUED FROM PREVIOUS PAGE)
 
    The  Class  A-11  Certificates  may  not  be  appropriate  investments   for
individual  investors.  The  Class  A-11  Certificates  are  offered  in minimum
denominations of $71,423,000  initial Class  A-11 Notional  Amount as  described
herein under "Description of the Certificates." Except as set forth below, it is
intended  that the Class A-11 Certificates not be directly or indirectly held or
beneficially  owned  by  any   person  in  amounts   lower  than  such   minimum
denomination.  The  Class A-11  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-11  Certificates"
herein.
 
    There  is currently no secondary market  for the Class A-11 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-11  Certificates. The
Underwriter intends to  act as a  market maker in  the Class A-11  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-11 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 if such day  is not a business  day, the next succeeding
business day to the holders of record of the Class A-11 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.
Interest will accrue monthly on the Class A-11 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 7.50%, on
the Class  A-11 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-11  Certificates  as  described  in  the  Prospectus
Supplement  under  "Description  of  the  Certificates--Interest."  The  Class A
Subclass  Principal  Balance  of   the  Class  A-11   Certificates  as  of   the
Determination  Date  in  April 1996  will  be  approximately $479.  The  Class A
Subclass Principal Balance  as of  the Determination Date  in May  1996 will  be
equal  to such balance as of the Determination Date in April 1996 reduced by the
amount of any distributions or other reductions of principal on the Distribution
Date in April 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-11  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-11 Certificates and  should be read  only in conjunction  with the  Prospectus
Supplement  and the Prospectus. Sales of the  Class A-11 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  JULY 15, 1996,  ALL DEALERS EFFECTING TRANSACTIONS  IN THE CLASS A-11
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,  each
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 1992-37 Certificates were issued  on October 30, 1992. The Class
A-11 Certificates were not offered to the public at the time of the issuance  of
the Series 1992-37 Certificates.
 
                    RISK FACTORS AND SPECIAL CONSIDERATIONS
 
YIELD CONSIDERATIONS
 
    The  yield  to maturity  of  the Class  A-11  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-11 Certificates may be affected by the
geographic concentration  of  the  Mortgaged Properties  securing  the  Mortgage
Loans.  As  of March  15, 1996,  Mortgaged Properties  located in  the following
states secured at least 5.00% of  the Aggregate Unpaid Principal Balance of  the
Mortgage  Loans: California (52.57%), New Jersey (11.05%) and New York (10.13%).
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-11 Certificates.  See "Description of the
Mortgage Loans" herein.
 
    AN INVESTOR THAT PURCHASES CLASS A-11 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-11
Certificates" herein and "Prepayment and Yield Considerations" in the Prospectus
Supplement.
 
                                      S1-3
<PAGE>
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  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  1992-37 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
 
                                      S1-4
<PAGE>
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  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-11  Certificates   will  be  offered   in  fully  registered,
certificated form in  minimum denominations  of $71,423,000  initial Class  A-11
Notional  Amount; provided,  however, that  the Class  A-11 Certificates  may be
issued in minimum denominations of $3,571,000 initial Class A-11 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-11 Certificates, such that
such investor is capable of evaluating the merits and risks of an investment  in
the  Class A-11 Certificates, and (ii) has  a net worth of at least $10,000,000;
or (b) will  hold the Class  A-11 Certificates  solely as nominee  for a  person
meeting the criteria set forth in clause (a). The Class A-11 Certificates may be
issued  in any amounts in excess of  any such minimum denominations. The Class A
Subclass  Principal  Balance  of   the  Class  A-11   Certificates  as  of   the
Determination  Date  in  April 1996  will  be  approximately $479.  The  Class A
Subclass  Principal  Balance  of   the  Class  A-11   Certificates  as  of   the
Determination  Date  in  May  1996 will  be  equal  to such  balance  as  of the
Determination Date in April 1996 reduced by the amount of distributions or other
reductions of principal on the Distribution Date in April 1996.
 
    Distributions of interest and in  reduction of principal balance to  holders
of Class A-11 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 May 1996.
 
    Distributions  (other than the final distribution in retirement of the Class
A-11 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-11
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-11 Certificates will be entitled to a distribution in respect of
interest  each month in an amount up to such Subclass' Class A Subclass Interest
Accrual Amount. The Class A Subclass Interest Accrual Amount for the Class  A-11
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) 7.50% and (ii) the Class A-11 Notional Amount.
 
    The Class A Subclass Interest Accrual Amount for the Class A-11 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-11 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-11 Notional Amount with
respect to the Distribution Date  in March 1996 was approximately  $222,288,528.
The Class A-11 Notional Amount with respect to the Distribution Date in May 1996
will be equal to the Class A-11 Notional Amount with respect to the Distribution
Date  in March  1996, less the  difference between the  Pool Scheduled Principal
Balance with  respect  to the  Distribution  Date in  March  1996 and  the  Pool
Scheduled Principal Balance with respect to the Distribution Date in May 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-11
Notional Amount was approximately $428,539,924.
 
    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  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
 
                                      S1-6
<PAGE>
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 1992-37 Certificates.
 
    As  described under "Pooling  and Servicing Agreement--Optional Termination"
in the Prospectus Supplement, the Servicer  has the right, but is not  required,
to  purchase from  the Trust  Estate all  remaining Mortgage  Loans, and thereby
effect early retirement of the Series 1992-37 Certificates, on any  Distribution
Date  when the Pool Scheduled Principal Balance  is less than 10% of the Cut-Off
Date Aggregate  Principal Balance  (as defined  in the  Prospectus  Supplement).
However, the Servicer will agree that for so long as the Class A-11 Certificates
are  outstanding, without the consent of  holders of 66 2/3% Percentage Interest
of the Class A-11 Certificates, the Servicer will not exercise such right unless
the Pool Scheduled Principal Balance of the  Mortgage Loans is equal to or  less
than 1% of the Cut-Off Date Aggregate Principal Balance.
 
    The  Prospectus Supplement and the Prospectus contain significant additional
information concerning  the  characteristics  of the  Class  A-11  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 March 15, 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 March  15, 1996 is its unpaid  principal balance as of such
date assuming no delinquencies and no prepayments in full. As of March 15, 1996,
the Mortgage Loans included 1,092  promissory notes, having an aggregate  Unpaid
Principal  Balance (the  "Aggregate Unpaid Principal  Balance") of approximately
$219,977,544, secured by first  liens (the "Mortgages")  on one- to  four-family
residential  properties (the "Mortgaged  Properties"). As of  March 15, 1996 two
such  Mortgage  Loans   having  an   aggregate  Unpaid   Principal  Balance   of
approximately  $326,064 have prepaid  in full. Prepayments  in full occurring in
March 1996  will reduce  the Class  A-11  Notional Amount  with respect  to  the
Distribution   Date  in  May  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. 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' Clause" and "Servicing of the
Mortgage Loans--Enforcement of Due-on-Sale  Clauses; Realization Upon  Defaulted
Mortgage Loans" in the Prospectus.
 
    As  of March 15, 1996 each Mortgage  Loan had an Unpaid Principal Balance of
not less than  $4,350 or more  than $738,988, and  the average Unpaid  Principal
Balance  of the  Mortgage Loans  was approximately  $201,445. The  latest stated
maturity date of any of the Mortgage Loans was July 1, 2023; 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,  1,019  of  the Mortgaged  Properties,  which  secure approximately
95.68% of the  Aggregate Unpaid Principal  Balance of the  Mortgage Loans,  were
owner  occupied primary  residences and  73 of  the Mortgaged  Properties, which
secure approximately  4.32% of  the Aggregate  Unpaid Principal  Balance of  the
Mortgage  Loans, were  non-owner occupied  or second  homes. See "PHMC--Mortgage
Loan Underwriting" in the Prospectus.
 
    As of March 15, 1996, four of the Mortgage Loans, representing approximately
0.48% 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 March 15, 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>
7.750%..................................       45     $  7,973,898.63        3.62   %
7.875%..................................       83       15,485,506.92        7.04
8.000%..................................      192       37,857,834.36       17.23
8.125%..................................      174       37,099,050.56       16.86
8.250%..................................      172       35,286,657.46       16.04
8.375%..................................      143       31,043,580.56       14.11
8.500%..................................      126       26,618,686.47       12.10
8.625%..................................       66       12,591,751.65        5.72
8.750%..................................       40        7,765,996.07        3.53
8.875%..................................       15        2,568,179.52        1.17
9.000%..................................       11        1,659,453.57        0.75
9.125%..................................        7        1,400,741.91        0.64
9.250%..................................        6        1,106,048.62        0.50
9.375%..................................        6          924,455.26        0.42
9.500%..................................        2          325,186.91        0.15
9.625%..................................        2          160,240.35        0.07
9.750%..................................        1           32,298.08        0.01
9.875%..................................        1           77,977.54        0.04
                                          ---------   ---------------     -------
        Total...........................    1,092     $219,977,544.44      100.00   %
                                          ---------   ---------------     -------
                                          ---------   ---------------     -------
</TABLE>
 
As  of  March 15,  1996,  the weighted  average  Mortgage Interest  Rate  of the
Mortgage Loans was  approximately 8.260%  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 March  15,
1996,  the weighted average Net Mortgage Interest Rate of the Mortgage Loans was
approximately 8.060% 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.....................................        2     $    372,819.54     0.17   %
310.....................................        2          534,539.96     0.24
312.....................................        4          754,091.39     0.34
313.....................................        7        1,175,422.56     0.53
314.....................................        3          497,668.94     0.23
315.....................................        6          770,427.27     0.35
316.....................................       20        3,309,313.20     1.50
317.....................................       60        9,759,908.29     4.44
318.....................................      374       84,836,572.10    38.57
319.....................................      611      117,176,932.95    53.27
322.....................................        1          261,266.45     0.12
327.....................................        1          297,992.33     0.14
328.....................................        1          230,589.46     0.10
                                          ---------   ---------------  -------
        Total...........................    1,092     $219,977,544.44   100.00   %
                                          ---------   ---------------  -------
                                          ---------   ---------------  -------
</TABLE>
 
As of March 15, 1996, the weighted average remaining term to stated maturity  of
the Mortgage Loans was approximately 318 months.
 
                                      S1-9
<PAGE>
                              YEAR 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>
1991....................................        4     $    907,359.50     0.41   %
1992....................................    1,088      219,070,184.94    99.59
                                          ---------   ---------------  -------
        Total...........................    1,092     $219,977,544.44   100.00   %
                                          ---------   ---------------  -------
                                          ---------   ---------------  -------
</TABLE>
 
As  of March 15, 1996 the earliest month and year of origination of any Mortgage
Loan was November  1991 and  the latest  month and  year of  origination of  any
Mortgage Loan was October 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...........................       87     $ 14,185,289.49        6.45   %
50.1-55.0%..............................       41        8,425,228.49        3.83
55.1-60.0%..............................       57       11,934,843.36        5.43
60.1-65.0%..............................       61       12,875,179.34        5.85
65.1-70.0%..............................      103       21,240,359.87        9.66
70.1-75.0%..............................      223       46,333,317.76       21.06
75.1-80.0%..............................      360       74,636,826.01       33.93
80.1-85.0%..............................       25        4,979,239.76        2.26
85.1-90.0%..............................      135       25,367,260.36       11.53
                                          ---------   ---------------     -------
        Total...........................    1,092     $219,977,544.44      100.00   %
                                          ---------   ---------------     -------
                                          ---------   ---------------     -------
</TABLE>
 
As of March 15, 1996 the minimum and maximum Loan-to-Value Ratios at origination
of  the  Mortgage Loans  were 12.5%  and 90.0%,  respectively, and  the weighted
average  Loan-to-Value  Ratio   at  origination  of   the  Mortgage  Loans   was
approximately  72.6%. 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 March  15, 1996,  87 of the
Mortgage Loans  having Loan-to-Value  Ratios at  origination in  excess of  80%,
representing  approximately 6.30% 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......................      610     $127,353,035.02       57.91   %
Asset & Income Verification.............        5          620,502.39        0.28
Asset & Mortgage Verification...........      186       42,573,538.38       19.35
Income & Mortgage Verification..........       69       10,697,549.88        4.86
Asset Verification......................      113       17,207,946.65        7.82
Income Verification.....................        0                0.00        0.00
Mortgage Verification...................       67       15,849,362.35        7.20
Preferred Processing....................       42        5,675,609.77        2.58
                                          ---------   ---------------     -------
        Total...........................    1,092     $219,977,544.44      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.
 
                   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..........      513     $ 54,518,571.42       24.79   %
$200,001-$250,000.......................      194       42,412,124.62       19.28
$250,001-$300,000.......................      186       49,017,954.70       22.28
$300,001-$350,000.......................       86       26,659,076.23       12.12
$350,001-$400,000.......................       43       15,347,217.24        6.98
$400,001-$450,000.......................       35       14,144,342.90        6.43
$450,001-$500,000.......................       23       10,584,310.57        4.81
$500,001-$550,000.......................        3        1,493,164.81        0.68
$550,001-$600,000.......................        4        2,275,900.34        1.03
$650,001-$700,000.......................        1          642,353.84        0.29
$700,001-$750,000.......................        3        2,143,540.19        0.97
$750,001-$800,000.......................        1          738,987.58        0.34
                                          ---------   ---------------     -------
        Total...........................    1,092     $219,977,544.44      100.00   %
                                          ---------   ---------------     -------
                                          ---------   ---------------     -------
</TABLE>
 
As of March 15, 1996, the average Unpaid Principal Balance of the Mortgage Loans
was  approximately  $201,445.  As  of  March  15,  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 62.6% and  74.3%, 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..................      946     $201,327,789.96       91.52   %
Two- to four-family Units...............        7        1,787,277.70        0.81
Condominiums............................      130       15,414,778.02        7.01
Townhouses..............................        4          418,183.58        0.19
Planned Unit Developments...............        5        1,029,515.18        0.47
                                          ---------   ---------------     -------
        Total...........................    1,092     $219,977,544.44      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     $    298,888.05        0.14   %
Arizona.................................        8          806,916.04        0.37
Arkansas................................        1          105,769.35        0.05
California..............................      438      115,692,163.76       52.57
Colorado................................       11        1,365,169.50        0.62
Connecticut.............................       30        6,228,716.51        2.83
Delaware................................        5          511,950.86        0.23
District of Columbia....................        5          947,922.72        0.43
Florida.................................       39        3,560,720.24        1.62
Georgia.................................       12        1,046,587.18        0.48
Hawaii..................................        2          812,457.90        0.37
Idaho...................................        1           38,739.13        0.02
Illinois................................       12        2,040,498.92        0.93
Indiana.................................        2          274,764.75        0.12
Iowa....................................        1           90,120.87        0.04
Kansas..................................        2          361,436.86        0.16
Kentucky................................        2          126,769.54        0.06
Louisiana...............................        1           61,461.10        0.03
Maine...................................        5          398,199.76        0.18
Maryland................................       37        7,635,585.83        3.47
Massachusetts...........................       21        4,415,832.15        2.01
Michigan................................        7          799,053.56        0.36
Minnesota...............................        4          543,073.14        0.25
Missouri................................        2          101,949.95        0.05
Montana.................................        2          254,638.44        0.12
Nevada..................................        2          602,182.02        0.27
New Hampshire...........................        3          521,447.57        0.24
New Jersey..............................      159       24,297,821.72       11.05
New Mexico..............................        5          961,057.70        0.44
New York................................      124       22,284,143.40       10.13
North Carolina..........................        9        1,517,248.37        0.69
Ohio....................................        5          505,166.74        0.23
Oklahoma................................        1          108,390.62        0.05
Oregon..................................        3          367,438.11        0.17
Pennsylvania............................       35        5,289,065.37        2.40
Rhode Island............................        3          224,351.96        0.10
South Carolina..........................       10          817,195.86        0.37
Tennessee...............................        6          561,675.93        0.26
Texas...................................       26        4,451,101.07        2.02
Utah....................................        2          316,616.40        0.14
Vermont.................................        4          413,827.54        0.19
Virginia................................       26        5,462,072.84        2.48
Washington..............................       13        2,249,833.98        1.02
West Virginia...........................        1           99,311.35        0.05
Wisconsin...............................        1          153,020.21        0.07
Wyoming.................................        2          255,189.57        0.12
                                          ---------   ---------------     -------
        Total...........................    1,092     $219,977,544.44      100.00   %
                                          ---------   ---------------     -------
                                          ---------   ---------------     -------
</TABLE>
 
As of March 15, 1996, no more  than approximately 0.88% 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.......................      510     $ 90,957,107.41       41.35   %
Other Originators.......................      582      129,020,437.03       58.65
                                          ---------   ---------------     -------
        Total...........................    1,092     $219,977,544.44      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................................      450     $ 78,733,173.36       35.79   %
Rate/term refinance.....................      494      109,789,814.97       49.91
Equity take out.........................      148       31,454,556.11       14.30
                                          ---------   ---------------     -------
        Total...........................    1,092     $219,977,544.44      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.
 
                               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.......................         7    $    1,458,911.38         0.66      %
60 to 89 days.......................         1           258,514.43         0.12
90 days or more.....................         1           145,958.82         0.07
Loans in Foreclosure................         7         1,877,394.94         0.85
REO Mortgage Loans..................         2           688,444.24         0.31
                                            --
                                                  -----------------          ---
        Total.......................        18    $    4,429,223.81         2.01      %
                                            --
                                            --
                                                  -----------------          ---
                                                  -----------------          ---
</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 March 15, 1996.
 
(2) As of March 15, 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 March  15, 1996,  approximately 21.14%  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 March 15, 1996,  approximately 50.38% 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 41.65% 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 March 15,
1996, 0.33% 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  March  8,  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, 28 counties in the
State of New York, 13 counties in  the Commonwealth of Virginia and 12  counties
in  the State  of Ohio  (the "Northeast  Flood Counties")  were declared federal
disaster areas eligible for federal disaster  assistance. As of March 15,  1996,
approximately  6.92% 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"), 26  counties in  the State  of Oregon,  21 counties  in the  State  of
Washington  and  10  counties  in  the  State  of  Idaho  (the  "Northwest Flood
Counties") were declared  federal disaster areas  eligible for federal  disaster
assistance.  As of March  15, 1996, approximately 1.16%  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 March 15, 1996, ten of
the delinquent  Mortgage  Loans  shown  in  the  preceding  table,  representing
approximately  0.99% of the  Aggregate Unpaid Principal  Balance of the Mortgage
Loans or approximately $2,186,553, 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, December 31, 1994 and December 31,
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 $11,488,362,184,
respectively.
 
    The  following  tables  reflect  delinquency,  foreclosure  and  loan   loss
experience  of mortgage loans serviced by PHMC. As described under "Risk Factors
and Special Considerations--Recent Developments," PHMC  intends, as of the  Sale
Date,  to cease  its mortgage loan  origination and  servicing business. Norwest
Mortgage,  as  subservicer  for  PHMC,   will  perform  foreclosure  and   other
realization   activities  in  connection  with   defaulted  Mortgage  Loans  and
Prudential  Asset  Recovery,  Inc.  or  another  third  party  contractor   will
administer and dispose of real estate acquired upon foreclosure.
 
    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  December
31, 1995.
 
                                     S1-15
<PAGE>
                              TOTAL PROGRAM LOANS
 
<TABLE>
<CAPTION>
                             AS OF                   AS OF                   AS OF
                       DECEMBER 31, 1993       DECEMBER 31, 1994       DECEMBER 31, 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   423,895   $65,496,977
                     --------   -----------  --------   -----------  --------   -----------
                     --------   -----------  --------   -----------  --------   -----------
Period of
 Delinquency(1)
  30 to 59 days....     3,190   $   489,235     3,548   $   548,524     5,103   $   710,246
  60 to 89 days....       703       109,529       797       128,053       959       141,847
  90 days or
  more.............     1,398       271,637     1,418       308,124       729       122,554
                     --------   -----------  --------   -----------  --------   -----------
Total Delinquent
 Loans.............     5,291   $   870,401     5,763   $   984,701     6,791   $   974,647
                     --------   -----------  --------   -----------  --------   -----------
                     --------   -----------  --------   -----------  --------   -----------
Percent of
 Portfolio.........      1.57%         1.51%     1.52%         1.58%     1.60%         1.49%
</TABLE>
<TABLE>
<CAPTION>
                                         AS OF                AS OF                AS OF
                                   DECEMBER 31, 1993    DECEMBER 31, 1994    DECEMBER 31, 1995
                                   ------------------   ------------------   ------------------
<S>                                <C>                  <C>                  <C>
                                                  (DOLLAR AMOUNTS IN THOUSANDS)
 
Foreclosures(2)..................  $     277,533        $     354,028        $     360,645
Foreclosure Ratio(3).............           0.48%                0.57%                0.55%
 
<CAPTION>
 
                                       YEAR ENDED           YEAR ENDED           YEAR ENDED
                                   DECEMBER 31, 1993    DECEMBER 31, 1994    DECEMBER 31, 1995
                                   ------------------   ------------------   ------------------
                                                  (DOLLAR AMOUNTS IN THOUSANDS)
<S>                                <C>                  <C>                  <C>
 
Net Gain (Loss)(4)...............  $    (112,507)       $    (194,956)       $    (228,775)
Net Gain (Loss) Ratio(5).........          (0.20)%              (0.31)%              (0.35)%
</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         DECEMBER 31, 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    358,021   $ 53,576,591
                                          --------   ------------   --------   ------------   --------   ------------
                                          --------   ------------   --------   ------------   --------   ------------
Period of Delinquency(1)
  30 to 59 days.........................     2,609   $    380,197      2,708   $    389,236      4,101   $    528,824
  60 to 89 days.........................       571         86,136        591         87,687        743         98,269
  90 days or more.......................     1,117        211,870        965        188,414        545         82,595
                                          --------   ------------   --------   ------------   --------   ------------
Total Delinquent Loans..................     4,297   $    678,203      4,264   $    665,337      5,389   $    709,688
                                          --------   ------------   --------   ------------   --------   ------------
                                          --------   ------------   --------   ------------   --------   ------------
Percent of Fixed Program Loan
 Portfolio..............................      1.49%          1.41%      1.38%          1.37%      1.51%          1.32%
</TABLE>
<TABLE>
<CAPTION>
                                               AS OF             AS OF              AS OF
                                           DECEMBER 31,       DECEMBER 31,      DECEMBER 31,
                                               1993               1994              1995
                                          ---------------   ----------------   ---------------
                                                     (DOLLAR AMOUNTS IN THOUSANDS)
 
<S>                                       <C>               <C>                <C>
Foreclosures(2).........................  $  195,361        $   208,253        $  218,951
Foreclosure Ratio(3)....................        0.41%              0.43%             0.41%
 
<CAPTION>
 
                                            YEAR ENDED         YEAR ENDED        YEAR ENDED
                                           DECEMBER 31,       DECEMBER 31,      DECEMBER 31,
                                               1993               1994              1995
                                          ---------------   ----------------   ---------------
                                                     (DOLLAR AMOUNTS IN THOUSANDS)
<S>                                       <C>               <C>                <C>
 
Net Gain (Loss)(4)......................  $  (63,705)       $  (133,523)       $ (164,734)
Net Gain (Loss) Ratio(5)................       (0.13)%            (0.27)%           (0.31)%
</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         DECEMBER 31, 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    303,943   $ 45,251,942
                                          --------   ------------   --------   ------------   --------   ------------
                                          --------   ------------   --------   ------------   --------   ------------
Period of Delinquency(1)
  30 to 59 days.........................     2,326   $    344,861      2,424   $    350,629      3,658   $    470,877
  60 to 89 days.........................       530         81,444        539         80,843        679         89,665
  90 days or more.......................     1,054        203,444        903        179,493        498         76,452
                                          --------   ------------   --------   ------------   --------   ------------
Total Delinquent Loans..................     3,910   $    629,749      3,866   $    610,965      4,835   $    636,994
                                          --------   ------------   --------   ------------   --------   ------------
                                          --------   ------------   --------   ------------   --------   ------------
Percent of Fixed Non-relocation Program
 Loan Portfolio.........................      1.58%          1.50%      1.47%          1.47%      1.59%          1.41%
</TABLE>
<TABLE>
<CAPTION>
                                               AS OF             AS OF              AS OF
                                           DECEMBER 31,       DECEMBER 31,      DECEMBER 31,
                                               1993               1994              1995
                                          ---------------   ----------------   ---------------
                                                     (DOLLAR AMOUNTS IN THOUSANDS)
 
<S>                                       <C>               <C>                <C>
Foreclosures(2).........................  $  190,293        $   199,379        $  208,865
Foreclosure Ratio(3)....................        0.45%              0.48%             0.46%
 
<CAPTION>
 
                                            YEAR ENDED         YEAR ENDED        YEAR ENDED
                                           DECEMBER 31,       DECEMBER 31,      DECEMBER 31,
                                               1993               1994              1995
                                          ---------------   ----------------   ---------------
                                                     (DOLLAR AMOUNTS IN THOUSANDS)
<S>                                       <C>               <C>                <C>
 
Net Gain (Loss)(4)......................  $  (61,387)       $  (131,788)       $ (161,810)
Net Gain (Loss) Ratio(5)................       (0.15)%            (0.32)%           (0.36)%
</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.
 
                                     S1-18
<PAGE>
            RESTRICTIONS ON TRANSFER OF THE CLASS A-11 CERTIFICATES
 
    Class  A-11 Certificates with denominations of less than $71,423,000 initial
Class A-11  Notional Amount  but not  less than  $3,571,000 initial  Class  A-11
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-11 Certificates, such  that such investor is  capable of evaluating  the
merits and risks of an investment in the Class A-11 Certificates, and (ii) has a
net  worth of at least $10,000,000; or (b) will hold the Class A-11 Certificates
solely as nominee for a person meeting the criteria set forth in clause (a).
 
                             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 1992-37 Certificates were issued  on October 30, 1992. Set  forth
below  are the  approximate annualized  prepayment rates  of the  Mortgage Loans
underlying the Series  1992-37 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>
November 1992.................................................        0.34%
December 1992.................................................        0.81%
January 1993..................................................        0.26%
February 1993.................................................        3.66%
March 1993....................................................        1.90%
April 1993....................................................        5.23%
May 1993......................................................        5.48%
June 1993.....................................................       14.04%
July 1993.....................................................       15.01%
August 1993...................................................       14.66%
September 1993................................................       32.41%
October 1993..................................................       54.23%
November 1993.................................................       63.31%
December 1993.................................................       65.57%
January 1994..................................................       56.51%
February 1994.................................................       32.67%
March 1994....................................................       38.22%
April 1994....................................................       36.30%
May 1994......................................................       12.51%
June 1994.....................................................       10.31%
July 1994.....................................................        5.20%
 
<CAPTION>
MONTH                                                           PERCENTAGE OF CPR
- --------------------------------------------------------------  -----------------
<S>                                                             <C>
August 1994...................................................        8.46%
September 1994................................................       10.30%
October 1994..................................................        0.70%
November 1994.................................................        6.39%
December 1994.................................................        4.60%
January 1995..................................................        3.89%
February 1995.................................................        2.35%
March 1995....................................................        2.06%
April 1995....................................................        4.38%
May 1995......................................................        3.48%
June 1995.....................................................        3.21%
July 1995.....................................................        9.88%
August 1995...................................................        8.17%
September 1995................................................       10.44%
October 1995..................................................        6.45%
November 1995.................................................        4.18%
December 1995.................................................        8.17%
January 1996..................................................        7.86%
February 1996.................................................        7.60%
March 1996....................................................       10.88%
</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 1992-37 Certificates with respect to November
1992, reduced by one month for each month thereafter. The prepayment history  of
the  Mortgage  Loans underlying  the Series  1992-37 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-11
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-11 CERTIFICATE.
 
                                     S1-19
<PAGE>
                 SENSITIVITY OF THE PRE-TAX YIELD AND WEIGHTED
                  AVERAGE LIFE OF THE CLASS A-11 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-11  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-11 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-11 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-11 Certificate is the average amount of time that will elapse from April
16,  1996 until each dollar in reduction  of the principal balance of the Series
1992-37 Certificates is distributed to the holders thereof. The weighted average
life of the Class A-11 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  March 15,  1996, as
described above under "Description of  the Mortgage Loans," adjusted to  reflect
calculated payments of principal on April 1, 1996 assuming a constant prepayment
rate equal to 0% CPR for the month of March 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 following  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-11 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 fourth  full
paragraph  beginning  on page  S-50  of the  Prospectus  Supplement, and  on the
further assumptions that (i)  the Class A-11 Certificates  will be purchased  on
April   16,  1996  for  an  aggregate  purchase  price  equal  to  approximately
$3,130,067, which  includes accrued  interest from  April 1,  1996 to  (but  not
including)  April  16,  1996,  (ii)  distributions  to  holders  of  Class  A-11
Certificates will be made on the 25th day of each month commencing in May  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 May 1996, (iv) principal prepayments on the Mortgage Loans will be
received on  the  last  day of  each  month  commencing in  April  1996  at  the
respective percentages of CPR set forth in the table and there are no Prepayment
Interest  Shortfalls,  (v)  the Class  A-11  Notional Amount  applicable  to the
Distribution Date occurring in May  1996 will be approximately $219,785,240  and
(vi) the Class A Subclass Principal Balance of the Class A-11 Certificates as of
the Determination Date occurring in May 1996 will be approximately $479.
 
           SENSITIVITY OF THE PRE-TAX YIELD AND WEIGHTED AVERAGE LIFE
                 OF THE CLASS A-11 CERTIFICATES TO PREPAYMENTS
 
<TABLE>
<CAPTION>
                                                   PERCENTAGES OF CPR
                                        ----------------------------------------
                                         5%     10%    15%    20%    25%    33%
                                        -----  -----  -----  -----  -----  -----
<S>                                     <C>    <C>    <C>    <C>    <C>    <C>
Pre-Tax Yield to Maturity (CBE).......  34.83% 28.83% 22.65% 16.27%  9.69% (1.33)%
Weighted Average Life (years).........  11.15   7.58   5.51   4.22   3.37   2.48
</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-11  Certificates, would  cause  the
discounted  present  value of  such assumed  stream  of cash  flows to  equal an
assumed  purchase  price  for  the  Class  A-11  Certificates  of  approximately
$3,130,067  which  includes accrued  interest  from April  1,  1996 to  (but not
 
                                     S1-20
<PAGE>
including) April 16, 1996, 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  such
investor  as distributions on the Class  A-11 Certificates and consequently does
not purport  to  reflect  the  return  on  any  investment  in  the  Class  A-11
Certificates when such reinvestment rates are considered.
 
    The  weighted average lives of the Class  A-11 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 1992-37
Certificates by  the  number  of  years  from April  16,  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
1992-37 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-11  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
 
    An election has been made to treat the Trust Estate as a REMIC (the "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 and Class A-11
Certificates, the Class M Certificates and  the Class B-1, Class B-2, Class  B-3
and  Class B-4 Certificates are designated as the regular interests in the REMIC
and the Class A-R Certificates are  designated as the residual interests in  the
REMIC.  The Proposed  REMIC Regulations  discussed in  the Prospectus  under the
heading  "Certain   Federal   Income  Tax   Consequences--Federal   Income   Tax
Consequences  for REMIC Certificates"  were finalized in  substantially the same
form on December 23, 1992.
 
    The Class A-11 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-11  Certificates  generally are  treated  as  debt instruments
originated on the date of original  issuance of the Series 1992-37  Certificates
for  federal income tax purposes. Holders of the Class A-11 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 1992-37
Certificates,  the Seller  believes that the  Class A-11  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-11 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-11
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-11
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 1992-37 Certificates, less distribution made, and losses, if  any,
incurred,  on the Class A-11 Certificates since the date of original issuance of
the Series 1992-37 Certificates. A purchase  price for a Class A-11  Certificate
that  is less than or  greater than the adjusted issue  price of such Class A-11
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
PaineWebber  Incorporated,  as underwriter  (the "Underwriter")  and, as  to the
terms agreement,  Prudential  Insurance,  the Class  A-11  Certificates  offered
hereby  are being purchased from the Seller by the Underwriter on or about April
16, 1996.  The  Underwriter is  committed  to purchase  all  of the  Class  A-11
Certificates  offered hereby if  any Class A-11  Certificates are purchased. The
Underwriter has advised  the Seller  that it proposes  to offer  the Class  A-11
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-11 Certificates  are expected to be approximately 1.37%
of the Pool Scheduled Principal Balance as of the Distribution Date in May  1996
without   giving  effect  to  partial   principal  prepayments  or  net  partial
liquidation proceeds received on or after the Determination Date in April  1996,
plus  accrued interest from April 1, 1996 to (but not including) April 16, 1996.
The Underwriter and  any dealers that  participate with the  Underwriter in  the
distribution  of the Class  A-11 Certificates may be  deemed to be underwriters,
and any discounts or commissions received by  them and any profit on the  resale
of Class A-11 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,  PHMC and Prudential
Insurance 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-11 Certificates
offered hereby prior to the offering thereof. The Underwriter intends to act  as
a  market maker in the Class A-11 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-11 Certificates will develop  or, if such a market does  develop,
that  it  will provide  holders  of Class  A-11  Certificates with  liquidity of
investment  at  any  particular  time  or  for  the  life  of  the  Class   A-11
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-11 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-11  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-11
Certificates, see "ERISA Considerations" in the Prospectus.
 
                                     S1-22
<PAGE>
    On  June  25,  1990,  the  DOL  issued  to  the  Underwriter  an  individual
administrative exemption, Prohibited Transaction  Exemption 90-36, 55 Fed.  Reg.
25903  (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
considerations and requirements of the  Exemption. The Exemption might apply  to
the  acquisition, holding and resale of the  Class A-11 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-11 Certificates, is the
condition  that the ERISA  Plan investing in  the Class A-11  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-11 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-11 Certificates. Any  fiduciary
of an ERISA Plan considering whether to purchase a Class A-11 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-11  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-11  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-11 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-11
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-11 Certificates constitute
legal investments for such investors. See "Legal Investment" in the Prospectus.
 
                                 LEGAL MATTERS
 
    The validity of  the Class A-11  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-11 Certificates
will  be applied by  the Seller to the  purchase from an  affiliate of the Class
A-11 Certificates.
 
                                    RATINGS
 
    The Class A-11 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.
 
                                     S1-23
<PAGE>
    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-
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  payment 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-11  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-11 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-11 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-11 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>
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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 OR 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, ANY SECURITIES OTHER THAN THE SECURITIES OFFERED HEREBY NOR AN OFFER TO ANY
PERSON  IN ANY STATE OR OTHER JURISDICTION IN WHICH IT WOULD BE UNLAWFUL TO MAKE
SUCH  OFFER  OR  SOLICITATION  IN  SUCH  JURISDICTION.  THE  DELIVERY  OF   THIS
SUPPLEMENT,  THE PROSPECTUS SUPPLEMENT  AND THE PROSPECTUS AT  ANY TIME DOES NOT
IMPLY THAT INFORMATION  HEREIN IS  CORRECT AS OF  ANY TIME  SUBSEQUENT TO  THEIR
RESPECTIVE DATES.
                             ---------------------
                               TABLE OF CONTENTS
                                   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 Transfer of the Class A-11 Certificates..................  S1-19
Historical Prepayments...................................................  S1-19
Sensitivity of the Pre-Tax Yield and Weighted Average Life of the Class
  A-11 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-18
Description of the Mortgage Loans........................................   S-37
Origination, Delinquency and Foreclosure Experience......................   S-44
Prepayment and Yield Considerations......................................   S-48
Pooling and Servicing Agreement..........................................   S-55
Federal Income Tax Considerations........................................   S-57
ERISA Considerations.....................................................   S-58
Legal Investment.........................................................   S-59
Secondary Market.........................................................   S-60
Underwriting.............................................................   S-60
Legal Matters............................................................   S-60
Use of Proceeds..........................................................   S-60
Ratings..................................................................   S-61
Index of Significant Prospectus Supplement
  Definitions............................................................   S-62
                                   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 1992-37
 
                              -------------------
 
                                   SUPPLEMENT
 
                              -------------------
 
                                 VARIABLE RATE1
                            CLASS A-11 CERTIFICATES
                       1ON THE CLASS A-11 NOTIONAL AMOUNT
 
                            PAINEWEBBER INCORPORATED
 
                                 APRIL 11, 1996
 
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