PAINEWEBBER MORTGAGE ACCEPTANCE CORP V
8-K, 1999-06-03
ASSET-BACKED SECURITIES
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<PAGE>



                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(D) OF THE
                       SECURITIES AND EXCHANGE ACT OF 1934


Date of Report:   June 2, 1999
- ---------------------------------
(Date of earliest event reported)

                  PAINEWEBBER MORTGAGE ACCEPTANCE CORPORATION V
             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)


         DELAWARE                      333-64551                13-3748219

(State or Other Jurisdiction     (Commission File Number)    (I.R.S. Employer
     of Incorporation)                                      Identification No.)

                 1285 Avenue of the Americas, New York, NY 10019
                 -----------------------------------------------
                    (Address of principal executive offices)

         Registrant's telephone number, including area code: (212) 713-7900

ITEM 5. OTHER EVENTS

         Attached as Exhibit 99 to this Current Report are certain computational
materials (the "Computational Materials") furnished to PaineWebber Mortgage
Acceptance Corporation V (the "Registrant") by PaineWebber Incorporated and
Merrill Lynch, Pierce, Fenner & Smith Incorporated (collectively, the
"Underwriters") in connection with the Registrant's proposed offering of its
Commercial Mortgage Pass-Through Certificates, Series 1999-C1 Class A-1, Class
A-2, Class B, Class C, Class D and Class X (the "Certificates"). The
Certificates will be offered pursuant to a Prospectus and related Prospectus
Supplement (together, the "Prospectus") which will be filed with the Commission
pursuant to Rule 424 under the Securities Act of 1933, as amended (the "Act").
The offering of the Certificates will be registered pursuant to the Act under
the Registrant's Registration Statement on Form S-3 (No. 333-64551) (the
"Registration Statement"). These Computational Materials will be incorporated by
reference in the Registration Statement.

         The Computational Materials were prepared solely by the Underwriters,
and the Registrant did not prepare or participate in the preparation thereof.

         Any statement or information contained in the Computational Materials
may be modified or superseded by subsequent similar materials or, for purposes
of the Prospectus and the Registration Statement, by statements or information
contained in the Prospectus.

ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS

(a) Not applicable.

(b) Not applicable.

(c) Exhibits
<PAGE>


    Exhibit 99        Computational Materials.







                                        2

<PAGE>

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the Registrant has duly caused this report to be signed on behalf of the
Registrant by the undersigned duly authorized officer.

                                  PAINEWEBBER MORTGAGE ACCEPTANCE CORPORATION V



                                  By: /s/ Steven J. Plust
                                     ------------------------------------------
                                     Name:    Steven J. Plust
                                     Title:   Managing Director

Date: June 2, 1999




                                        3
<PAGE>




                                  EXHIBIT INDEX


Item 601(a) of Regulation S-K

Exhibit No.                      Description                         Page
- -----------                      -----------                         ----
99                          Computational Materials












<PAGE>




- -------------------------------------------------------------------------------

                             COMPUTATIONAL MATERIALS
            PAINEWEBBER MORTGAGE ACCEPTANCE CORPORATION V (DEPOSITOR)
          Commercial Mortgage Pass-Through Certificates, Series 1999-C1

- -------------------------------------------------------------------------------


                                     Legend

         Prospective investors are advised to read carefully, and should rely
solely on, the information contained in the final prospectus supplement to the
prospectus dated March 25, 1999 relating to certain classes of certificates
referred to above (the "Certificates") in making their investment decision.

         The information contained in this Exhibit 99 should be reviewed only in
conjunction with a careful review of such prospectus supplement and prospectus.
Such information does not include any information relating to the structure of
the Certificates and does not include all relevant information relating to the
underlying Mortgage Loans. Particular attention should be paid to the risks and
special considerations associated with an investment in the Certificates
described in such prospectus supplement and prospectus. The information
contained in this Exhibit 99 should not be viewed as projections, forecasts,
predictions or opinions with respect to value.

         Any information contained in this Exhibit 99 is subject to completion
or amendment. Furthermore, any information contained in this Exhibit 99 will be
more fully described in the final prospectus supplement and prospectus, and such
information contained herein will be fully superseded thereby. Prior to making
any investment decision, a prospective investor should receive and carefully
review such prospectus supplement and prospectus.

NOTHING IN THIS EXHIBIT 99 SHOULD BE CONSIDERED AN OFFER TO SELL OR A
SOLICITATION OF AN OFFER TO BUY THE CERTIFICATES.




<PAGE>


                                                                    May 17, 1999

                            PAINEWEBBER INCORPORATED

                                  PMAC 1999 C-1
                                    CLASS A-1


- -------------------------------------------------------------------------------
PRICING SPEED:     RUN       SETTLES  RULES FROM   COLLATERAL    TERM    COUPON
- -------------------------------------------------------------------------------
  0.000 CPR    at Issuance   6/7/99     Script                   309.9   7.4023
- -------------------------------------------------------------------------------

- -------------------------------------------------------------------------------
CLASS 3A1       ORIGINAL PAR     TYPE            COUPON             PRICE
- -------------------------------------------------------------------------------
Tranche 1       $153,627,000      SEQ        6.4300 (FIXED)       100.51688
- -------------------------------------------------------------------------------


<TABLE>
<CAPTION>
- ---------------------------------------------------------------------------------------------
       PREPAYMENT RATE  0 CPR   25 CPR   50 CPR   75 CPR   100 CPR   0 CPR    0 CPR    0 CPR
          DEFAULT RATE  0 PSA    0 PSA    0 PSA    0 PSA     0 PSA   0 PSA    0 PSA    0 PSA
PRICE IN 4/32NDS STEPS  +0 BP    +0 BP    +0 BP    +0 BP     +0 BP   +0 BP    +0 BP    +0 BP
- ---------------------------------------------------------------------------------------------
<S>                    <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>
         99-00          6.694    6.712    6.723    6.730    6.737    6.694    6.694    6.694
         99-04          6.664    6.681    6.692    6.698    6.705    6.664    6.664    6.664
         99-08          6.635    6.651    6.660    6.666    6.672    6.635    6.635    6.635
         99-12          6.605    6.620    6.629    6.634    6.640    6.605    6.605    6.605
         99-16          6.576    6.590    6.598    6.603    6.608    6.576    6.576    6.576

         99-20          6.546    6.559    6.567    6.571    6.575    6.546    6.546    6.546
         99-24          6.517    6.529    6.536    6.540    6.543    6.517    6.517    6.517
         99-28          6.488    6.498    6.505    6.508    6.511    6.488    6.488    6.488
        100-00          6.458    6.468    6.474    6.477    6.479    6.458    6.458    6.458
        100-04          6.429    6.438    6.443    6.446    6.447    6.429    6.429    6.429

        100-08          6.400    6.407    6.412    6.414    6.415    6.400    6.400    6.400
        100-12          6.371    6.377    6.381    6.383    6.383    6.371    6.371    6.371
        100-16(P)       6.342    6.347    6.350    6.352    6.351    6.342    6.342    6.342
        100-20          6.313    6.317    6.320    6.321    6.320    6.313    6.313    6.313
        100-24          6.284    6.287    6.289    6.290    6.288    6.284    6.284    6.284

        100-28          6.255    6.257    6.258    6.259    6.256    6.255    6.255    6.255
        101-00          6.226    6.227    6.228    6.228    6.225    6.226    6.226    6.226
        101-04          6.197    6.197    6.197    6.197    6.193    6.197    6.197    6.197
        101-08          6.168    6.168    6.167    6.166    6.162    6.168    6.168    6.168
        101-12          6.139    6.138    6.137    6.135    6.130    6.139    6.139    6.139

        101-16          6.111    6.108    6.106    6.105    6.099    6.111    6.111    6.111
        101-20          6.082    6.079    6.076    6.074    6.067    6.082    6.082    6.082
        101-24          6.054    6.049    6.046    6.043    6.036    6.054    6.054    6.054
        101-28          6.025    6.020    6.016    6.013    6.005    6.025    6.025    6.025
        102-00          5.997    5.990    5.986    5.982    5.974    5.997    5.997    5.997
- ---------------------------------------------------------------------------------------------
 AVERAGE LIFE:          5.321    5.126    5.013    4.944    4.829    5.321    5.321    5.321
 MOD DURATION:          4.276    4.130    4.045    3.991    3.906    4.276    4.276    4.276
 EXP. 1ST PAY:        7/15/99  7/15/99  7/15/99  7/15/99  7/15/99  7/15/99  7/15/99  7/15/99
EXP. MATURITY:       12/15/07 10/15/07  9/15/07  8/15/07  7/15/07 12/15/07 12/15/07 12/15/07
AL TSY SPREAD:           0.85     0.86     0.87     0.88     0.88     0.85     0.85     0.85
- ---------------------------------------------------------------------------------------------
</TABLE>

- -------------------------------------------------------------------------------
                                 TREASURY CURVE
- -------------------------------------------------------------------------------
             TSY              YIELD            TSY              YIELD
             ---              -----            ---              -----
             1 YR             4.830
             2 YR             5.260            10 YR            5.600


             5 YR             5.480            30 YR            5.890
- -------------------------------------------------------------------------------

<PAGE>


                                                                    May 17, 1999

                            PAINEWEBBER INCORPORATED

                                  PMAC 1999 C-1
                                    CLASS A-2


- -------------------------------------------------------------------------------
PRICING SPEED:     RUN       SETTLES  RULES FROM   COLLATERAL    TERM    COUPON
- -------------------------------------------------------------------------------
  0.000 CPR    at Issuance   6/7/99     Script                   309.9   7.4023
- -------------------------------------------------------------------------------

- -------------------------------------------------------------------------------
CLASS 3A2       ORIGINAL PAR     TYPE            COUPON             PRICE
- -------------------------------------------------------------------------------
Tranche 2       $357,327,000      SEQ        6.8000 (FIXED)       101.52121
- -------------------------------------------------------------------------------

<TABLE>
<CAPTION>
- ---------------------------------------------------------------------------------------------
       PREPAYMENT RATE  0 CPR   25 CPR   50 CPR   75 CPR   100 CPR    0 CPR    0 CPR    0 CPR
          DEFAULT RATE  0 PSA    0 PSA    0 PSA    0 PSA     0 PSA    0 PSA    0 PSA    0 PSA
PRICE IN 4/32NDS STEPS  +0 BP    +0 BP    +0 BP    +0 BP     +0 BP    +0 BP    +0 BP    +0 BP
- ---------------------------------------------------------------------------------------------
<S>                    <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>
          100-00        6.858    6.858    6.857    6.857     6.857    6.858    6.858    6.858
          100-04        6.839    6.839    6.839    6.839     6.838    6.839    6.839    6.839
          100-08        6.820    6.820    6.820    6.820     6.819    6.820    6.820    6.820
          100-12        6.802    6.802    6.801    6.801     6.800    6.802    6.802    6.802
          100-16        6.783    6.783    6.783    6.783     6.781    6.783    6.783    6.783

          100-20        6.765    6.764    6.764    6.764     6.763    6.765    6.765    6.765
          100-24        6.746    6.746    6.746    6.745     6.744    6.746    6.746    6.746
          100-28        6.728    6.727    6.727    6.727     6.725    6.728    6.728    6.728
          101-00        6.709    6.709    6.709    6.708     6.706    6.709    6.709    6.709
          101-04        6.691    6.690    6.690    6.690     6.688    6.691    6.691    6.691

          101-08        6.672    6.672    6.672    6.671     6.669    6.672    6.672    6.672
          101-12        6.654    6.654    6.653    6.653     6.650    6.654    6.654    6.654
          101-16(P)     6.636    6.635    6.635    6.634     6.632    6.636    6.636    6.636
          101-20        6.617    6.617    6.616    6.616     6.613    6.617    6.617    6.617
          101-24        6.599    6.599    6.598    6.598     6.595    6.599    6.599    6.599

          101-28        6.581    6.580    6.580    6.579     6.576    6.581    6.581    6.581
          102-00        6.562    6.562    6.562    6.561     6.558    6.562    6.562    6.562
          102-04        6.544    6.544    6.543    6.543     6.539    6.544    6.544    6.544
          102-08        6.526    6.526    6.525    6.524     6.521    6.526    6.526    6.526
          102-12        6.508    6.507    6.507    6.506     6.502    6.508    6.508    6.508

          102-16        6.490    6.489    6.489    6.488     6.484    6.490    6.490    6.490
          102-20        6.472    6.471    6.471    6.470     6.465    6.472    6.472    6.472
          102-24        6.454    6.453    6.452    6.452     6.447    6.454    6.454    6.454
          102-28        6.436    6.435    6.434    6.433     6.429    6.436    6.436    6.436
          103-00        6.418    6.417    6.416    6.415     6.411    6.418    6.418    6.418
- ---------------------------------------------------------------------------------------------

   AVERAGE LIFE:        9.268    9.252    9.234    9.209     9.085    9.268    9.268    9.268
   MOD DURATION:        6.711    6.703    6.693    6.680     6.614    6.711    6.711    6.711
   EXP. 1ST PAY:     12/15/07 10/15/07  9/15/07  8/15/07   7/15/07 12/15/07 12/15/07 12/15/07
  EXP. MATURITY:      4/15/09  4/15/09  4/15/09  4/15/09   1/15/09  4/15/09  4/15/09  4/15/09
  AL TSY SPREAD:         1.05     1.05     1.05     1.05      1.05     1.05     1.05     1.05
- ---------------------------------------------------------------------------------------------
</TABLE>

                                 TREASURY CURVE
- --------------------------------------------------------------------------------
              TSY           YIELD           TSY           YIELD
              ---           -----           ---           -----
              1 YR          4.830
              2 YR          5.260           10 YR         5.600



              5 YR          5.480           30 YR         5.890
- --------------------------------------------------------------------------------


<PAGE>




                                                                    May 17, 1999
                            PAINEWEBBER INCORPORATED

                                 PMAC 1999 C-1
                                    CLASS B

- --------------------------------------------------------------------------------
PRICING SPEED:    RUN       SETTLES RULES FROM   COLLATERAL   TERM     COUPON
- --------------------------------------------------------------------------------
  0.000 CPR   at Issuance    6/7/99  Script                   309.9    7.4023
- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
CLASS AA        ORIGINAL PAR         TYPE            COUPON          PRICE
- --------------------------------------------------------------------------------
Tranche 3       $35,238,000          SEQ             6.9400        101.58402
- --------------------------------------------------------------------------------



<TABLE>
<CAPTION>
       PREPAYMENT RATE   0 CPR      25 CPR    50 CPR    75 CPR   100 CPR    0 CPR     0 CPR     0 CPR
          DEFAULT RATE   0 PSA       0 PSA     0 PSA     0 PSA     0 PSA    0 PSA     0 PSA     0 PSA
PRICE IN 4/32NDS STEPS   +0 BP       +0 BP     +0 BP     +0 BP     +0 BP    +0 BP     +0 BP     +0 BP
- ----------------------   -----       -----     -----     -----     -----    -----     -----     -----
 <S>                  <C>         <C>       <C>       <C>       <C>       <C>       <C>       <C>
        100-00           7.002       7.002     7.002     7.002     7.002     7.002     7.002     7.002
        100-04           6.984       6.984     6.984     6.984     6.984     6.984     6.984     6.984
        100-08           6.966       6.966     6.966     6.966     6.966     6.966     6.966     6.966
        100-12           6.948       6.948     6.948     6.948     6.948     6.948     6.948     6.948
        100-16           6.931       6.931     6.931     6.931     6.930     6.931     6.931     6.931

        100-20           6.913       6.913     6.913     6.913     6.912     6.913     6.913     6.913
        100-24           6.895       6.895     6.895     6.895     6.894     6.895     6.895     6.895
        100-28           6.877       6.877     6.877     6.877     6.876     6.877     6.877     6.877
        101-00           6.859       6.859     6.959     6.859     6.858     6.859     6.859     6.859
        101-04           6.841       6.841     6.841     6.841     6.840     6.841     6.841     6.841

        101-08           6.824       6.824     6.824     6.824     6.823     6.824     6.824     6.824
        101-12           6.806       6.806     6.806     6.806     6.805     6.806     6.806     6.806
        101-16(P)        6.788       6.788     6.788     6.788     6.787     6.788     6.788     6.788
        101-20           6.771       6.771     6.771     6.771     6.769     6.771     6.771     6.771
        101-24           6.753       6.753     6.753     6.753     6.752     6.753     6.753     6.753

        101-28           6.736       6.736     6.736     6.736     6.734     6.736     6.736     6.736
        102-00           6.718       6.718     6.718     6.718     6.716     6.718     6.718     6.718
        102-04           6.700       6.700     6.700     6.700     6.699     6.700     6.700     6.700
        102-08           6.683       6.683     6.683     6.683     6.681     6.683     6.683     6.683
        102-12           6.665       6.665     6.665     6.665     6.664     6.665     6.665     6.665

        102-16           6.648       6.648     6.648     6.648     6.646     6.648     6.648     6.648
        102-20           6.631       6.631     6.631     6.631     6.628     6.631     6.631     6.631
        102-24           6.613       6.613     6.613     6.613     6.611     6.613     6.613     6.613
        102-28           6.596       6.596     6.596     6.596     6.594     6.596     6.596     6.596
        103-00           6.579       6.578     6.578     6.578     6.576     6.579     6.579     6.579


        AVERAGE LIFE:    9.857       9.856     9.856     9.856     9.785     9.857     9.857     9.857
        MOD DURATION:    6.968       6.967     6.967     6.967     6.932     6.968     6.968     6.968
        EXP. 1ST PAY:    4/15/09     4/15/09   4/15/09   4/15/09   1/15/09   4/15/09   4/15/09   4/15/09
        EXP. MATURITY:   5/15/09     4/15/09   4/15/09   4/15/09   4/15/09   5/15/09   5/15/09   5/15/09
        AL TSY SPREAD:   1.19        1.19      1.19      1.19      1.19      1.19      1.19      1.19
</TABLE>


                                 TREASURY CURVE
TSY     YIELD   TSY     YIELD

1 YR    4.830
2 YR    5.260   10 YR   5.600

5 YR    5.480   30 YR   5.890

<PAGE>




                                                                    May 17, 1999
                            PAINEWEBBER INCORPORATED

                                 PMAC 1999 C-1
                                    CLASS C

PRICING SPEED:  RUN     SETTLES   RULES FROM    COLLATERAL     TERM       COUPON
- --------------  ---     -------   ----------    ----------     ----       ------
                 at
  0.000 CPR   Issuance   6/7/99     Script                     309.9      7.4023

CLASS A        ORIGINAL PAR    TYPE     COUPON      PRICE
- -------        ------------    ----     ------      -----
Tranche 4       $37,000,000     SEQ     7.0900     101.59293


<TABLE>
<CAPTION>
        PREPAYMENT RATE     0 CPR     25 CPR     50 CPR     75 CPR    100 CPR      0 CPR      0 CPR      0 CPR
           DEFAULT RATE     0 PSA      0 PSA      0 PSA      0 PSA      0 PSA      0 PSA      0 PSA      0 PSA
 PRICE IN 4/32NDS STEPS     +0 BP      +0 BP      +0 BP      +0 BP      +0 BP      +0 BP      +0 BP      +0 BP
 ----------------------     -----      -----      -----      -----      -----      -----      -----      -----
<S>                       <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>
           100-00           7.156      7.156      7.156      7.156      7.156      7.156      7.156      7.156
           100-04           7.138      7.138      7.138      7.138      7.138      7.138      7.138      7.138
           100-08           7.120      7.120      7.120      7.120      7.119      7.120      7.120      7.120
           100-12           7.102      7.102      7.102      7.102      7.101      7.102      7.102      7.102
           100-16           7.084      7.084      7.084      7.084      7.083      7.084      7.084      7.084

           100-20           7.066      7.066      7.066      7.066      7.065      7.066      7.066      7.066
           100-24           7.048      7.048      7.048      7.048      7.047      7.048      7.048      7.048
           100-28           7.030      7.030      7.030      7.030      7.029      7.030      7.030      7.030
           101-00           7.013      7.012      7.012      7.012      7.012      7.013      7.013      7.013
           101-04           6.995      6.995      6.995      6.994      6.994      6.995      6.995      6.995

           101-08           6.977      6.977      6.977      6.977      6.976      6.977      6.977      6.977
           101-12           6.959      6.959      6.959      6.959      6.958      6.959      6.959      6.959
           101-16(P)        6.942      6.942      6.941      6.941      6.940      6.942      6.942      6.942
           101-20           6.924      6.924      6.924      6.923      6.923      6.924      6.924      6.924
           101-24           6.906      6.906      6.906      6.906      6.905      6.906      6.906      6.906

           101-28           6.889      6.889      6.888      6.888      6.887      6.889      6.889      6.889
           102-00           6.871      6.871      6.871      6.870      6.869      6.871      6.871      6.871
           102-04           6.854      6.853      6.853      6.853      6.852      6.854      6.854      6.854
           102-08           6.836      6.836      6.836      6.835      6.834      6.836      6.836      6.836
           102-12           6.819      6.818      6.818      6.818      6.817      6.819      6.819      6.819

           102-16           6.801      6.801      6.801      6.800      6.799      6.801      6.801      6.801
           102-20           6.784      6.783      6.783      6.783      6.781      6.784      6.784      6.784
           102-24           6.766      6.766      6.766      6.765      6.764      6.766      6.766      6.766
           102-28           6.749      6.749      6.748      6.748      6.746      6.749      6.749      6.749
           103-00           6.732      6.731      6.731      6.731      6.729      6.732      6.732      6.732


         AVERAGE LIFE:      9.942      9.932      9.923      9.909      9.862      9.942      9.942      9.942
         MOD DURATION:      6.960      6.955      6.951      6.944      6.921      6.960      6.960      6.960
         EXP. 1ST PAY:      5/15/09    4/15/09    4/15/09    4/15/09    4/15/09    5/15/09    5/15/09    5/15/09
         EXP. MATURITY:     6/15/09    5/15/09    5/15/09    5/15/09    5/15/09    6/15/09    6/15/09    6/15/09
         AL TSY SPREAD:     1.34       1.34       1.34       1.34       1.34       1.34       1.34       1.34
</TABLE>


                                 TREASURY CURVE
TSY     YIELD   TSY     YIELD
- ---     -----   ---     -----
1 YR    4.330
2 YR    5.260   10 YR   5.600

5 YR    5.480   30 YR   5.890

<PAGE>




                                                                    May 17, 1999
                            PAINEWEBBER INCORPORATED

                                 PMAC 1999 C-1
                                    CLASS D

PRICING SPEED:  RUN     SETTLES    RULES FROM    COLLATERAL     TERM      COUPON
- --------------  ---     -------    ----------    ----------     ----      ------
                 at
  0.000 CPR   Issuance   6/7/99      Script                     309.9     7.4023


 CLASS BBB       ORIGINAL PAR         TYPE           COUPON          PRICE
 ---------       ------------         ----           ------          -----
 Tranche 5       $33,476,000          SEQ           7.2700          98.88167




<TABLE>
<CAPTION>
       PREPAYMENT RATE   0 CPR     25 CPR    50 CPR      75 CPR    100 CPR     0 CPR       0 CPR     0 CPR
          DEFAULT RATE   0 PSA      0 PSA     0 PSA       0 PSA      0 PSA     0 PSA       0 PSA     0 PSA
PRICE IN 4/32NDS STEPS   +0 BP      +0 BP     +0 BP       +0 BP      +0 BP     +0 BP       +0 BP     +0 BP
- ----------------------   -----      -----     -----       -----      -----     -----       -----     -----
<S>                    <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>
        97-05            7.756      7.757      7.757      7.758      7.761      7.756      7.756      7.756
        97-09            7.737      7.738      7.739      7.739      7.742      7.737      7.737      7.737
        97-13            7.719      7.719      7.720      7.721      7.723      7.719      7.719      7.719
        97-17            7.700      7.701      7.701      7.702      7.704      7.700      7.700      7.700
        97-21            7.682      7.682      7.683      7.683      7.685      7.682      7.682      7.682

        97-25            7.663      7.664      7.664      7.665      7.667      7.663      7.663      7.663
        97-29            7.645      7.645      7.646      7.646      7.648      7.645      7.645      7.645
        98-01            7.627      7.627      7.627      7.628      7.629      7.627      7.627      7.627
        98-05            7.608      7.608      7.609      7.609      7.611      7.608      7.608      7.608
        98-09            7.590      7.590      7.590      7.591      7.592      7.590      7.590      7.590

        98-13            7.571      7.572      7.572      7.572      7.574      7.571      7.571      7.571
        98-17            7.553      7.553      7.554      7.554      7.555      7.553      7.553      7.553
        98-21(P)         7.535      7.535      7.535      7.536      7.537      7.535      7.535      7.535
        98-25            7.517      7.517      7.517      7.517      7.518      7.517      7.517      7.517
        98-29            7.498      7.499      7.499      7.499      7.500      7.498      7.498      7.498

        99-01            7.480      7.480      7.481      7.481      7.481      7.480      7.480      7.480
        99-05            7.462      7.462      7.462      7.463      7.463      7.462      7.462      7.462
        99-09            7.444      7.444      7.444      7.444      7.445      7.444      7.444      7.444
        99-13            7.426      7.426      7.426      7.426      7.427      7.426      7.426      7.426
        99-17            7.408      7.408      7.408      7.408      7.408      7.408      7.408      7.408

        99-21            7.390      7.390      7.390      7.390      7.390      7.390      7.390      7.390
        99-25            7.372      7.372      7.372      7.372      7.372      7.372      7.372      7.372
        99-29            7.354      7.354      7.354      7.354      7.354      7.354      7.354      7.354
        100-01           7.336      7.336      7.336      7.336      7.335      7.336      7.336      7.336
        100-05           7.318      7.318      7.318      7.318      7.317      7.318      7.318      7.318

        AVERAGE LIFE:    10.143     10.125     10.099     10.063     9.963      10.143     10.143     10.143
        MOD DURATION:    6.935      6.927      6.915      6.898      6.852      6.935      6.935      6.935
        EXP. 1ST PAY:    6/15/09    5/15/09    5/15/09    5/15/09    5/15/09    6/15/09    6/15/09    6/15/09
        EXP. MATURITY:   12/15/09   12/15/09   12/15/09   12/15/09   6/15/09    12/15/09   12/15/09   12/15/09
        AL TSY SPREAD:   1.93       1.93       1.93       1.93       1.94       1.93       1.93       1.93
</TABLE>

                                 TREASURY CURVE

TSY     YIELD   TSY             YIELD
- ---     -----   ---             -----
1 YR    4.830
2 YR    5.260   10 YR           5.600

5 YR    5.480   30 YR           5.890

<PAGE>



                                                                    May 17, 1999
                            PAINEWEBBER INCORPORATED

                                 PMAC 1999 C-1
                                    CLASS X

PRICING SPEED:  RUN     SETTLES     RULES FROM    COLLATERAL     TERM     COUPON
- --------------  ---     -------     ----------    ----------     ----     ------
                 at
  0.000 CPR   Issuance   6/7/99       Script                     309.9    7.4023


CLASS X         ORIGINAL PAR   TYPE     COUPON  PRICE
- -------         ------------   ----     ------  -----
Tranche 11      $704,764,602    SEQ     0.6163  4.26467


<TABLE>
<CAPTION>
       PREPAYMENT RATE   0 CPR     25 CPR    50 CPR      75 CPR    100 CPR     0 CPR       0 CPR     0 CPR
          DEFAULT RATE   0 PSA      0 PSA     0 PSA       0 PSA      0 PSA     0 PSA       0 PSA     0 PSA
PRICE IN 4/32NDS STEPS   +0 BP      +0 BP     +0 BP       +0 BP      +0 BP     +0 BP       +0 BP     +0 BP
- ----------------------   -----      -----     -----       -----      -----     -----       -----     -----
<S>                    <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>
        2-26             21.339      21.383    21.405       21.407     21.275     21.339    21.339    21.339
        2-30             19.935      19.971    19.987       19.984     19.841     19.935    19.935    19.935
        3-02             18.634      18.663    18.674       18.666     18.515     18.634    18.634    18.634
        3-06             17.425      17.448    17.454       17.443     17.282     17.425    17.425    17.425
        3-10             16.297      16.315    16.316       16.302     16.134     16.297    16.297    16.297

        3-14             15.242      15.255    15.252       15.235     15.061     15.242    15.242    15.242
        3-18             14.252      14.260    14.255       14.234     14.055     14.252    14.252    14.252
        3-22             13.321      13.325    13.316       13.294     13.109     13.321    13.321    13.321
        3-26             12.443      12.443    12.432       12.407     12.217     12.443    12.443    12.443
        3-30             11.613      11.610    11.597       11.570     11.375     11.613    11.613    11.613

        4-02             10.827      10.821    10.805       10.777     10.578     10.827    10.827    10.827
        4-06             10.082      10.073    10.055       10.025      9.823     10.082    10.082    10.082
        4-10(P)           9.373       9.362     9.342        9.310      9.105      9.373     9.373     9.373
        4-14              8.698       8.684     8.663        8.630      8.422      8.698     8.698     8.698
        4-18              8.054       8.039     8.016        7.981      7.770      8.054     8.054     8.054

        4-22              7.440       7.422     7.397        7.362      7.149      7.440     7.440     7.440
        4-26              6.851       6.832     6.806        6.770      6.554      6.851     6.851     6.851
        4-30              6.288       6.267     6.240        6.203      5.985      6.288     6.288     6.288
        5-02              5.748       5.725     5.698        5.659      5.440      5.748     5.748     5.748
        5-06              5.230       5.205     5.177        5.137      4.916      5.230     5.230     5.230

        5-10              4.731       4.706     4.676        4.636      4.413      4.731     4.731     4.731
        5-14              4.252       4.225     4.194        4.154      3.930      4.252     4.252     4.252
        5-18              3.790       3.762     3.730        3.689      3.464      3.790     3.790     3.790
        5-22              3.344       3.315     3.283        3.241      3.015      3.344     3.344     3.344
        5-26              2.915       2.885     2.852        2.809      2.582      2.915     2.915     2.915


        AVERAGE LIFE:     9.208       9.153     9.116        9.084      8.976      9.208     9.208     9.208
        MOD DURATION:     4.182       4.168     4.157        4.149      4.131      4.182     4.182     4.182
        EXP. 1ST PAY:     7/15/99     7/15/99   7/15/99      7/15/99    7/15/99    7/15/99   7/15/99   7/15/99
        EXP. MATURITY:    2/15/19     2/15/19   2/15/19      2/15/19    2/15/19    2/15/19   2/15/19   2/15/19
        AL TSY SPREAD:    3.79        3.78      3.76         3.73       3.53       3.79      3.79      3.79
</TABLE>


                                 TREASURY CURVE

TSY     YIELD   TSY             YIELD
- ---     -----   ---             -----
1 YR    4.830
2 YR    5.260   10 YR           5.600

5 YR    5.480   30 YR           5.890


<PAGE>

Deal Total: 704.76

PROPERTY TYPES   TOTAL (MM)    TOP 3 STATES      DEAL     (MM)
- --------------   ----------    ------------      ----     ----
% Multifamily     223.05                        31.65%
                              TX                10.29%   72.51587
                              FL                 2.64%   18.60141
                              MD                 2.49%   17.531242

% Retail           93.66                        13.29%
                              NY                 2.97%   20.905557
                              TX                 1.77%   12.443411
                              FL                 1.47%   10.386228

% Office           91.48                        12.98%
                              MD                 6.74%   47.491674
                              NV                 1.56%   10.993724
                              FL                 1.37%    9.669614

% Hospitality      80.65                        11.44%
                              NC                 1.83%   12.928909
                              FL                 1.35%    9.48679
                              SC                 1.24%    8.750569

% Industrial       70.74                        10.04%
                              MI                 2.14%   15.069371
                              CA                 1.90%   13.408242
                              AZ                 1.32%    9.311958

% CTL              49.65                         7.04%
                              MN                 2.11%   14.875
                              PR                 1.23%    8.664
                              NH                 1.20%    8.426

% Nursing Home     32.84                         4.66%
                              NJ                 4.66%   32.84


% Mixed            22.57                         3.20%
                              MD                 2.62%   18.478392
                              NY                 0.58%    4.089008

% Mobile Home
  Park             12.61                         1.79%
                              MN                 0.65%    4.60394
                              CA                 0.54%    3.8234
                              IL                 0.37%    2.576959


% Senior Housing    9.97                         1.41%
                              VT                 0.85%    5.96272
                              PA                 0.57%    4.005236


% Other             7.52                         1.07%
                              CA                 0.90%    6.336877
                              MA                 0.17%    1.18582


% Healthcare        7.44                         1.06%
                              NY                 1.06%    7.438152


% Self Storage      2.61                         0.37%
                              OK                 0.37%    2.609089

The information contained herein is privileged, confidential and intended for
use only by the addressee and shall not be republished without the express
approval of PaineWebber. The prices indicated reflect a bid side estimated
valuation unless otherwise indicated. No assurance can be given as to the
accuracy, appropriateness or the completeness of this information and the prices
indicated may differ from values provided by PaineWebber in other contexts.
Market indications in the subject securities may vary greatly among dealers.
Unless otherwise indicated, PaineWebber utilized its own methods for the
valuation which may not comport with your own designated models, criteria,
assumptions or regulatory requirements. The material is provided for information
purposes only and is not intended as an offer or solicitation to purchase or
sell the securities specified.


<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: D                                           DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/20/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:       $0     Horizon:     5/25/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss:       $0     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    9.966     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:     6.65     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:               table
Cleanup(1%):            No     Default:                 0%
Premiums:              Yes     Extend:         100%,12m,0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                       Deal PMAC 1999-C1 Bond D Rating: Baa2/BBB
 PRICE       VALUE       PREPAYMENT (9 BY 5)     Factor: 100% Coupon: 7.27% Position: $33,476,000 Accrued: $40,562 (6 DAYS) Bench: C
by 0:04    & Change      -----------------------------------------------------------------------------------------------------------
                                      0%                 25%                 50%                 75%                 100%
                                    YIELD               YIELD               YIELD               YIELD               YIELD
- ------------------------------------------------------------------------------------------------------------------------------------
 98:10      -167,380                    7.574%              7.574%              7.575%              7.575%              7.575%
 98:14      -125,535                    7.557%              7.557%              7.557%              7.558%              7.557%
 98:18       -83,690                    7.539%              7.540%              7.540%              7.540%              7.540%
 98:22       -41,845                    7.522%              7.522%              7.523%              7.523%              7.522%
 98:26   $33,078,473                    7.505%              7.505%              7.505%              7.506%              7.505%
 98:30       +41,845                    7.488%              7.488%              7.488%              7.488%              7.488%
 99:02       +83,690                    7.471%              7.471%              7.471%              7.471%              7.470%
 99:06      +125,535                    7.453%              7.454%              7.454%              7.454%              7.453%
 99:10      +167,380                    7.436%              7.436%              7.437%              7.437%              7.436%
SPREAD                                  189.0b              189.1b              189.1b              189.2b              189.2b
RETURN                                  7.376%              7.376%              7.376%              7.377%              7.380%
LIFE                                    11.040              11.005              10.979              10.960              10.904
DURATION                                 7.340               7.325               7.314               7.306               7.281
CONVEXITY                                0.713               0.710               0.707               0.705               0.700
WINDOW                          May 10, Dec 10      May 10, Oct 10      May 10, Jun 10      May 10, Jun 10      Apr 10, May 10
LOSS                                    0.000%              0.000%              0.000%              0.000%              0.000%
- ------------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                               (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: D                                           DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/20/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:       $0     Horizon:     5/25/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss:       $0     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    9.239     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:     6.31     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:               table
Cleanup(1%):            No     Default:                 0%
Premiums:              Yes     Extend:                  0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                       Deal PMAC 1999-C1 Bond D Rating: Baa2/BBB
 PRICE       VALUE       PREPAYMENT (9 BY 5)     Factor: 100% Coupon: 7.27% Position: $33,476,000 Accrued: $40,562 (6 DAYS) Bench: C
by 0:04    & Change      -----------------------------------------------------------------------------------------------------------
                                      0%                 25%                 50%                 75%                 100%
                                    YIELD               YIELD               YIELD               YIELD               YIELD
- ------------------------------------------------------------------------------------------------------------------------------------
 98:10      -167,380                    7.585%              7.585%              7.586%              7.586%              7.588%
 98:14      -125,535                    7.567%              7.567%              7.567%              7.568%              7.569%
 98:18       -83,690                    7.549%              7.549%              7.549%              7.549%              7.551%
 98:22       -41,845                    7.530%              7.531%              7.531%              7.531%              7.532%
 98:26   $33,078,473                    7.512%              7.512%              7.512%              7.513%              7.514%
 98:30       +41,845                    7.494%              7.494%              7.494%              7.495%              7.495%
 99:02       +83,690                    7.476%              7.476%              7.476%              7.476%              7.477%
 99:06      +125,535                    7.458%              7.458%              7.458%              7.458%              7.459%
 99:10      +167,380                    7.440%              7.440%              7.440%              7.440%              7.440%
SPREAD                                  191.0b              191.0b              191.1b              191.2b              191.5b
RETURN                                  7.428%              7.429%              7.431%              7.433%              7.436%
LIFE                                    10.143              10.125              10.099              10.063               9.963
DURATION                                 6.939               6.930               6.918               6.902               6.856
CONVEXITY                                0.629               0.627               0.625               0.622               0.612
WINDOW                          Jun 09, Dec 09      May 09, Dec 09      May 09, Dec 09      May 09, Dec 09      May 09, Jun 09
LOSS                                    0.000%              0.000%              0.000%              0.000%              0.000%
- ------------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                               (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: C                                           DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/20/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:       $0     Horizon:     5/25/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss:       $0     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    9.966     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:     6.65     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:               table
Cleanup(1%):            No     Default:                 0%
Premiums:              Yes     Extend:         100%,12m,0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                      Deal PMAC 1999-C1 Bond C Rating:     A2/A
 PRICE       VALUE       PREPAYMENT (9 BY 5)     Factor: 100% Coupon: 7.09% Position: $37,000,000 Accrued: $43,722 (6 DAYS) Bench: C
by 0:04    & Change      -----------------------------------------------------------------------------------------------------------
                                      0%                 25%                 50%                 75%                 100%
                                    YIELD               YIELD               YIELD               YIELD               YIELD
- ------------------------------------------------------------------------------------------------------------------------------------
   101      -185,000                    7.024%              7.024%              7.024%              7.023%              7.023%
101:04      -138,750                    7.007%              7.007%              7.007%              7.007%              7.006%
101:08       -92,500                    6.991%              6.990%              6.990%              6.990%              6.990%
101:12       -46,250                    6.974%              6.974%              6.974%              6.973%              6.973%
101:16   $37,555,000                    6.957%              6.957%              6.957%              6.957%              6.956%
101:20       +46,250                    6.941%              6.941%              6.940%              6.940%              6.940%
101:24       +92,500                    6.924%              6.924%              6.924%              6.923%              6.923%
101:28      +138,750                    6.908%              6.908%              6.907%              6.907%              6.907%
   102      +185,000                    6.891%              6.891%              6.891%              6.890%              6.890%
SPREAD                                  134.4b              134.4b              134.4b              134.4b              134.4b
RETURN                                  6.859%              6.860%              6.861%              6.861%              6.862%
LIFE                                    10.923              10.909              10.892              10.872              10.856
DURATION                                 7.420               7.413               7.406               7.396               7.389
CONVEXITY                                0.720               0.719               0.717               0.715               0.714
WINDOW                          Apr 10, May 10      Apr 10, May 10      Apr 10, May 10      Apr 10, May 10      Apr 10, Apr 10
LOSS                                    0.000%              0.000%              0.000%              0.000%              0.000%
- ------------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                               (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: C                                           DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/20/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:       $0     Horizon:     5/25/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss:       $0     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    9.239     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:     6.31     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:               table
Cleanup(1%):            No     Default:                 0%
Premiums:              Yes     Extend:                  0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                       Deal PMAC 1999-C1 Bond C Rating:     A2/A
 PRICE       VALUE       PREPAYMENT (9 BY 5)     Factor: 100% Coupon: 7.09% Position: $37,000,000 Accrued: $43,722 (6 DAYS) Bench: C
by 0:04    & Change      -----------------------------------------------------------------------------------------------------------
                                      0%                 25%                 50%                 75%                 100%
                                    YIELD               YIELD               YIELD               YIELD               YIELD
- ------------------------------------------------------------------------------------------------------------------------------------
   101      -185,000                    7.013%              7.012%              7.012%              7.012%              7.012%
101:04      -138,750                    6.995%              6.995%              6.995%              6.994%              6.994%
101:08       -92,500                    6.977%              6.977%              6.977%              6.977%              6.976%
101:12       -46,250                    6.959%              6.959%              6.959%              6.959%              6.958%
101:16   $37,555,000                    6.942%              6.942%              6.941%              6.941%              6.940%
101:20       +46,250                    6.924%              6.924%              6.924%              6.923%              6.923%
101:24       +92,500                    6.906%              6.906%              6.906%              6.906%              6.905%
101:28      +138,750                    6.889%              6.889%              6.888%              6.888%              6.887%
   102      +185,000                    6.871%              6.871%              6.871%              6.870%              6.869%
SPREAD                                  134.3b              134.3b              134.3b              134.3b              134.4b
RETURN                                  6.894%              6.893%              6.893%              6.893%              6.891%
LIFE                                     9.942               9.932               9.923               9.909               9.862
DURATION                                 6.960               6.955               6.951               6.944               6.921
CONVEXITY                                0.625               0.625               0.624               0.622               0.618
WINDOW                          May 09, Jun 09      Apr 09, May 09      Apr 09, May 09      Apr 09, May 09      Apr 09, May 09
LOSS                                    0.000%              0.000%              0.000%              0.000%              0.000%
- ------------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                               (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.61%   4.79%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.61%   4.79%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: X                                           DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/18/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:  $0.69mm     Horizon:     5/21/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss:       $0     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    9.028     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:    6.189     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:               table
Cleanup(1%):           Yes     Default:                 0%
Premiums:              Yes     Extend:                  0%

- ----------------------------------------------------------

- -----------------------------------------------------------------------------------------------------------------------------------
                     PRICE YIELD                                                          Deal PMAC 1999-C1 Bond X Rating: AAA/AAA
 PRICE       VALUE   PREPAYMENTS (9 BY 6) Factor: 100% Coupon: 0.616265% Position: $704,764,602n Accrued: $72,387 (6 DAYS) Bench: c
by 0:02    & Change  --------------------------------------------------------------------------------------------------------------
                              0%              25%             50%             75%                99%               100%
                            YIELD            YIELD           YIELD           YIELD              YIELD             YIELD
- -----------------------------------------------------------------------------------------------------------------------------------
  4:02    -1,761,912           10.828%          10.822%         10.806%         10.777%            10.685%           10.579%
  4:04    -1,321,434           10.451%          10.443%         10.426%         10.397%            10.303%           10.197%
  4:06      -880,956           10.083%          10.074%         10.056%         10.025%             9.931%            9.824%
  4:08      -440,478            9.724%           9.714%          9.695%          9.664%             9.568%            9.460%
  4:10   $30,392,973            9.374%           9.363%          9.343%          9.311%             9.215%            9.106%
  4:12      +440,478            9.032%           9.020%          8.999%          8.967%             8.870%            8.760%
  4:14      +880,956            8.699%           8.685%          8.664%          8.631%             8.533%            8.423%
  4:16    +1,321,434            8.373%           8.359%          8.337%          8.303%             8.204%            8.093%
  4:18    +1,761,912            8.055%           8.040%          8.017%          7.982%             7.883%            7.772%
SPREAD                          379.3b           378.3b          376.4b          373.3b             363.8b            353.0b
RETURN                          8.812%           8.800%          8.781%          8.750%             8.657%            8.545%
LIFE                             9.208            9.153           9.116           9.084              9.028             8.976
DURATION                         4.183            4.168           4.158           4.149              4.138             4.131
CONVEXITY                        0.296            0.295           0.294           0.294              0.293             0.292
WINDOW                  Jul 99, Feb 19   Jul 99, Feb 19  Jul 99, Feb 19  Jul 99, Feb 19     Jul 99, Feb 19    Jul 99, Feb 19
LOSS                            0.000%           0.000%          0.000%          0.000%             0.000%            0.000%
- -----------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                        (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.61%   4.79%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.61%   4.79%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: D                                           DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/18/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:   $0.66mm     Horizon:     5/21/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss: $130.92mm     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:      100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:     7.349     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:     5.442     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:                100%
Cleanup(1%):           Yes     Default:              table
Premiums:              Yes     Extend:                  0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                       Deal PMAC 1999-C1 Bond D Rating: Baa2/BBB
 PRICE       VALUE       PREPAYMENT (9 BY 4)     Factor: 100% Coupon: 7.27% Position: $33,476,000 Accrued: $40,562 (6 DAYS) Bench: c
by 0:02    & Change      -----------------------------------------------------------------------------------------------------------
                                            0%              12:0%;6%,12m,40%           12:0%;7%,12m,40%           12:0%;8%,12m,40%
                                           YIELD                YIELD                    YIELD                       YIELD
- -----------------------------------------------------------------------------------------------------------------------------------
98:21 1/4     -83,690                       7.536%                  4.073%                    -2.427%                     -10.429%
98:23 1/4     -62,768                       7.526%                  4.066%                    -2.435%                     -10.441%
98:25 1/4     -41,845                       7.517%                  4.059%                    -2.443%                     -10.453%
98:27 1/4     -20,923                       7.508%                  4.052%                    -2.452%                     -10.465%
98:29 1/4 $33,112,472                       7.499%                  4.045%                    -2.460%                     -10.477%
98:31 1/4     +20,923                       7.490%                  4.038%                    -2.469%                     -10.490%
99:01 1/4     +41,845                       7.480%                  4.031%                    -2.477%                     -10.502%
99:03 1/4     +62,768                       7.471%                  4.024%                    -2.485%                     -10.514%
99:05 1/4     +83,690                       7.462%                  4.017%                    -2.493%                     -10.526%
SPREAD                                      190.0b                 -166.1b                    -817.5b                     -1508.7b
RETURN                                      7.425%                  4.042%                    -2.289%                           NA
LIFE                                         9.963                  17.314                     17.939                           NA
DURATION                                     6.858                   8.934                      7.566                        5.193
CONVEXITY                                    0.613                   1.193                      0.906                        0.365
WINDOW                               May 09, Jun09           Feb 14, Oct17             May 17, May 17                           NA
LOSS                                        0.000%                  53.109%                   92.124%                     100.000%
- ------------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                               (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.61%   4.79%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.61%   4.79%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: X                                           DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/18/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:       $0     Horizon:     5/21/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss:       $0     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    9.122     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:    6.263     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:      YM:lock;FP:lock     Prepay:               table
Cleanup(1%):           Yes     Default:                 0%
Premiums:              Yes     Extend:                  0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                        Deal PMAC 1999-C1 Bond X Rating: AAA/AAA
 PRICE       VALUE       PREPAYMENT (9 BY 6)  Factor:100% Coupon:0.616265% Position $704,764,602n Accrued: $72,387 (6 DAYS) Bench: c
by 0:02    & Change      -----------------------------------------------------------------------------------------------------------
                              0%              25%             50%             75%                99%               100%
                            YIELD            YIELD           YIELD           YIELD              YIELD             YIELD
- ----------------------------------------------------------------------------------------------------------------------------------
  4:02    -1,761,912           10.828%          10.809%         10.787%         10.756%            10.670%           10.570%
  4:04    -1,321,434           10.451%          10.431%         10.409%         10.378%            10.291%           10.191%
  4:06      -880,956           10.083%          10.063%         10.041%         10.009%             9.922%            9.821%
  4:08      -440,478            9.724%           9.704%          9.681%          9.650%             9.562%            9.460%
  4:10   $30,392,973            9.374%           9.354%          9.331%          9.299%             9.211%            9.108%
  4:12      +440,478            9.032%           9.012%          8.989%          8.957%             8.868%            8.765%
  4:14      +880,956            8.699%           8.679%          8.655%          8.623%             8.534%            8.430%
  4:16    +1,321,434            8.373%           8.353%          8.330%          8.297%             8.207%            8.103%
  4:18    +1,761,912            8.055%           8.035%          8.011%          7.978%             7.888%            7.783%
SPREAD                          379.3b           377.3b          375.1b          371.9b             363.2b            353.1b
RETURN                          8.812%           8.793%          8.771%          8.741%             8.659%            8.563%
LIFE                             9.208            9.197           9.185           9.168              9.122             9.071
DURATION                         4.183            4.180           4.178           4.175              4.169             4.161
CONVEXITY                        0.296            0.296           0.296           0.295              0.295             0.294
WINDOW                  Jul 99, Feb 19   Jul 99, Feb 19  Jul 99, Feb 19  Jul 99, Feb 19     Jul 99, Feb 19    Jul 99, Feb 19
LOSS                            0.000%           0.000%          0.000%          0.000%             0.000%            0.000%

- ------------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                               (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: D                                           DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/20/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:       $0     Horizon:     5/25/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss:       $0     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    9.966     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:     6.65     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:               table
Cleanup(1%):            No     Default:                 0%
Premiums:              Yes     Extend:         100%,12m,0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                       Deal PMAC 1999-C1 Bond D Rating: Baa2/BBB
 PRICE       VALUE       PREPAYMENT (9 BY 5)     Factor: 100% Coupon: 7.27% Position: $33,476,000 Accrued: $40,562 (6 DAYS) Bench: c
by 0:04    & Change      -----------------------------------------------------------------------------------------------------------
                                      0%                 25%                 50%                 75%                 100%
                                    YIELD               YIELD               YIELD               YIELD               YIELD
- ------------------------------------------------------------------------------------------------------------------------------------
 98:10      -167,380                    7.574%              7.574%              7.575%              7.575%              7.575%
 98:14      -125,535                    7.557%              7.557%              7.557%              7.558%              7.557%
 98:18       -83,690                    7.539%              7.540%              7.540%              7.540%              7.540%
 98:22       -41,845                    7.522%              7.522%              7.523%              7.523%              7.522%
 98:26   $33,078,473                    7.505%              7.505%              7.505%              7.506%              7.505%
 98:30       +41,845                    7.488%              7.488%              7.488%              7.488%              7.488%
 99:02       +83,690                    7.471%              7.471%              7.471%              7.471%              7.470%
 99:06      +125,535                    7.453%              7.454%              7.454%              7.454%              7.453%
 99:10      +167,380                    7.436%              7.436%              7.437%              7.437%              7.436%
SPREAD                                  189.0b              189.1b              189.1b              189.2b              189.2b
RETURN                                  7.376%              7.376%              7.376%              7.377%              7.380%
LIFE                                    11.040              11.005              10.979              10.960              10.904
DURATION                                 7.340               7.325               7.314               7.306               7.281
CONVEXITY                                0.713               0.710               0.707               0.705               0.700
WINDOW                          May 10, Dec 10      May 10, Oct 10      May 10, Jun 10      May 10, Jun 10      Apr 10, May 10
LOSS                                    0.000%              0.000%              0.000%              0.000%              0.000%
- ------------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                               (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: D                                           DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/20/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:       $0     Horizon:     5/25/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss:       $0     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    9.239     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:     6.31     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:               table
Cleanup(1%):            No     Default:                 0%
Premiums:              Yes     Extend:                  0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                       Deal PMAC 1999-C1 Bond D Rating: Baa2/BBB
 PRICE       VALUE       PREPAYMENTS (9 BY 5)    Factor: 100% Coupon: 7.27% Position: $33,476,000 Accrued: $40,562 (6 DAYS) Bench: c
by 0:04    & Change      -----------------------------------------------------------------------------------------------------------
                                      0%                 25%                 50%                 75%                 100%
                                    YIELD               YIELD               YIELD               YIELD               YIELD
- ------------------------------------------------------------------------------------------------------------------------------------
 98:10      -167,380                    7.585%              7.585%              7.586%              7.586%              7.588%
 98:14      -125,535                    7.567%              7.567%              7.567%              7.568%              7.569%
 98:18       -83,690                    7.549%              7.549%              7.549%              7.549%              7.551%
 98:22       -41,845                    7.530%              7.531%              7.531%              7.531%              7.532%
 98:26   $33,078,473                    7.512%              7.512%              7.512%              7.513%              7.514%
 98:30       +41,845                    7.494%              7.494%              7.494%              7.495%              7.495%
 99:02       +83,690                    7.476%              7.476%              7.476%              7.476%              7.477%
 99:06      +125,535                    7.458%              7.458%              7.458%              7.458%              7.459%
 99:10      +167,380                    7.440%              7.440%              7.440%              7.440%              7.440%
SPREAD                                  191.0b              191.0b              191.1b              191.2b              191.5b
RETURN                                  7.428%              7.429%              7.431%              7.433%              7.436%
LIFE                                    10.143              10.125              10.099              10.063               9.963
DURATION                                 6.939               6.930               6.918               6.902               6.856
CONVEXITY                                0.629               0.627               0.625               0.622               0.612
WINDOW                          Jun 09, Dec 09      May 09, Dec 09      May 09, Dec 09      May 09, Dec 09      May 09, Jun 09
LOSS                                    0.000%              0.000%              0.000%              0.000%              0.000%
- ------------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                               (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: C                                           DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/20/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:       $0     Horizon:     5/25/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss:       $0     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    9.966     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:     6.65     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:               table
Cleanup(1%):            No     Default:                 0%
Premiums:              Yes     Extend:         100%,12m,0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                        Deal PMAC 1999-C1 Bond C Rating: A2/A
 PRICE       VALUE       PREPAYMENTS (9 BY 5)    Factor: 100% Coupon: 7.09% Position: $37,000,000 Accrued: $43,722 (6 DAYS) Bench: c
by 0:04    & Change      -----------------------------------------------------------------------------------------------------------
                                      0%                 25%                 50%                 75%                 100%
                                    YIELD               YIELD               YIELD               YIELD               YIELD
- ------------------------------------------------------------------------------------------------------------------------------------
   101      -185,000                    7.024%              7.024%              7.024%              7.023%              7.023%
101:04      -138,750                    7.007%              7.007%              7.007%              7.007%              7.006%
101:08       -92,500                    6.991%              6.990%              6.990%              6.990%              6.990%
101:12       -46,250                    6.974%              6.974%              6.974%              6.973%              6.973%
101:16   $37,555,000                    6.957%              6.957%              6.957%              6.957%              6.956%
101:20       +46,250                    6.941%              6.941%              6.940%              6.940%              6.940%
101:24       +92,500                    6.924%              6.924%              6.924%              6.923%              6.923%
101:28      +138,750                    6.908%              6.908%              6.907%              6.907%              6.907%
   102      +185,000                    6.891%              6.891%              6.891%              6.890%              6.890%
SPREAD                                  134.4b              134.4b              134.4b              134.4b              134.4b
RETURN                                  6.859%              6.860%              6.861%              6.861%              6.862%
LIFE                                    10.923              10.909              10.892              10.872              10.856
DURATION                                 7.420               7.413               7.406               7.396               7.389
CONVEXITY                                0.720               0.719               0.717               0.715               0.714
WINDOW                          Apr 10, May 10      Apr 10, May 10      Apr 10, May 10      Apr 10, May 10      Apr 10, Apr 10
LOSS                                    0.000%              0.000%              0.000%              0.000%              0.000%
- ------------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                               (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: C                                           DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/20/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:       $0     Horizon:     5/25/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss:       $0     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    9.239     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:     6.31     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:               table
Cleanup(1%):            No     Default:                 0%
Premiums:              Yes     Extend:                  0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                       Deal PMAC 1999-C1 Bond C Rating:     A2/A
 PRICE       VALUE       PREPAYMENTS (9 BY 5)    Factor: 100% Coupon: 7.09% Position: $37,000,000 Accrued: $43,722 (6 DAYS) Bench: c
by 0:04    & Change      -----------------------------------------------------------------------------------------------------------
                                      0%                 25%                 50%                 75%                 100%
                                    YIELD               YIELD               YIELD               YIELD               YIELD
- ------------------------------------------------------------------------------------------------------------------------------------
   101      -185,000                    7.013%              7.012%              7.012%              7.012%              7.012%
101:04      -138,750                    6.995%              6.995%              6.995%              6.994%              6.994%
101:08       -92,500                    6.977%              6.977%              6.977%              6.977%              6.976%
101:12       -46,250                    6.959%              6.959%              6.959%              6.959%              6.958%
101:16   $37,555,000                    6.942%              6.942%              6.941%              6.941%              6.940%
101:20       +46,250                    6.924%              6.924%              6.924%              6.923%              6.923%
101:24       +92,500                    6.906%              6.906%              6.906%              6.906%              6.905%
101:28      +138,750                    6.889%              6.889%              6.888%              6.888%              6.887%
   102      +185,000                    6.871%              6.871%              6.871%              6.870%              6.869%
SPREAD                                  134.3b              134.3b              134.3b              134.3b              134.4b
RETURN                                  6.894%              6.893%              6.893%              6.893%              6.891%
LIFE                                     9.942               9.932               9.923               9.909               9.862
DURATION                                 6.960               6.955               6.951               6.944               6.921
CONVEXITY                                0.625               0.625               0.624               0.622               0.618
WINDOW                          May 09, Jun 09      Apr 09, May 09      Apr 09, May 09      Apr 09, May 09      Apr 09, May 09
LOSS                                    0.000%              0.000%              0.000%              0.000%              0.000%
- ------------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                               (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.62%   4.82%   5.02%  5.239%   5.44%  5.502%   5.752%
                                                                              ------------------------------------------------------
                                                                              4.62%   4.82%   5.02%  5.239%   5.44%  5.502%   5.752%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: A-2                                         DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/25/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:       $0     Horizon:     5/28/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss:       $0     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    9.239     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:     6.31     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:               table
Cleanup(1%):            No     Default:                 0%
Premiums:              Yes     Extend:                  0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                     Deal PMAC 1999-C1 Bond A-2 Rating:  AAA/AAA
 PRICE       VALUE       PREPAYMENTS (9 BY 5)    Factor: 100% Coupon: 6.82% Position:$357,327,000 Accrued:$406,162 (6 DAYS) Bench: c
by 0:08    & Change      -----------------------------------------------------------------------------------------------------------
                                      0%                 25%                 50%                 75%                 100%
                                    YIELD               YIELD               YIELD               YIELD               YIELD
- -----------------------------------------------------------------------------------------------------------------------------------
100:06 1/4   -3,573,270                 6.849%              6.849%              6.849%              6.849%              6.848%
100:14 1/4   -2,679,953                 6.812%              6.811%              6.811%              6.811%              6.810%
100:22 1/4   -1,786,635                 6.774%              6.774%              6.774%              6.774%              6.772%
100:30 1/4     -893,318                 6.737%              6.737%              6.737%              6.737%              6.735%
101:06 1/4 $361,598,174                 6.701%              6.700%              6.700%              6.700%              6.697%
101:14 1/4     +893,318                 6.664%              6.663%              6.663%              6.663%              6.660%
101:22 1/4   +1,786,635                 6.627%              6.627%              6.626%              6.626%              6.623%
101:30 1/4   +2,679,953                 6.591%              6.590%              6.590%              6.589%              6.586%
102:06 1/4   +3,573,270                 6.554%              6.554%              6.553%              6.552%              6.549%
SPREAD                                  120.8b              120.8b              120.7b              120.7b              120.7b
RETURN                                  6.588%              6.588%              6.587%              6.587%              6.584%
LIFE                                     9.268               9.252               9.234               9.209               9.085
DURATION                                 6.699               6.691               6.681               6.668               6.603
CONVEXITY                                0.571               0.570               0.568               0.566               0.554
WINDOW                          Dec 07, Apr 09      Oct 07, Apr 09      Sep 07, Apr 09      Aug 07, Apr 09      Jul 07, Jan 09
LOSS                                    0.000%              0.000%              0.000%              0.000%              0.000%
- ------------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                               (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.67%   4.77%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.67%   4.77%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: X                                           DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/21/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:  $0.69mm     Horizon:     5/25/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss:       $0     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    8.976     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:    6.162     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:                100%
Cleanup(1%):           Yes     Default:              table
Premiums:              Yes     Extend:                  0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                       Deal PMAC 1999-C1 Bond X Rating: AAA/AAA
 PRICE       VALUE       DEFAULTS (9 BY 6) Factor: 100% Coupon: 0.616265% Position: $704,764,602n Accrued: $72,387 (6 DAYS) Bench: c
by 0:02    & Change      -----------------------------------------------------------------------------------------------------------
                              0%        24:0%;1%,12M,30%   24:0%;2%;12M,30%   24:0%;3%,12M,30%   24:0%;4%,12M,30%  24:0%;5%,12M,30%
                            YIELD            YIELD               YIELD              YIELD              YIELD           YIELD
- -----------------------------------------------------------------------------------------------------------------------------------
  4:02    -1,761,912        10.579%              9.881%              9.177%             8.457%             7.688%           6.864%
  4:04    -1,321,434        10.197%              9.496%              8.788%             8.064%             7.291%           6.460%
  4:06      -880,956         9.824%              9.120%              8.409%             7.682%             6.904%           6.067%
  4:08      -440,478         9.460%              8.754%              8.039%             7.309%             6.526%           5.683%
  4:10   $30,392,973         9.106%              8.396%              7.679%             6.946%             6.158%           5.310%
  4:12      +440,478         8.760%              8.048%              7.328%             6.591%             5.800%           4.945%
  4:14      +880,956         8.423%              7.708%              6.985%             6.245%             5.450%           4.589%
  4:16    +1,321,434         8.093%              7.376%              6.650%             5.907%             5.108%           4.242%
  4:18    +1,761,912         7.772%              7.052%              6.323%             5.578%             4.774%           3.902%
SPREAD                       353.0b              282.6b              211.4b             138.5b              60.3b           -24.2b
RETURN                       8.534%              7.872%              7.202%             6.518%             5.784%           4.993%
LIFE                          8.976               8.756               8.547              8.349              8.161            7.980
DURATION                      4.131               4.099               4.065              4.028              3.980            3.916
CONVEXITY                     0.292               0.288               0.284              0.279              0.272            0.263
WINDOW               Jul 99, Feb 19      Jul 99, Nov 18      Jul 99, Aug 18     Jul 99, Jul 18     Jul 99, Jul 18   Jul 99, May 18
LOSS                         0.000%              0.000%              0.000%             0.000%             0.000%           0.000%
- ------------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                               (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.68%   4.78%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: X                                           DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/20/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:       $0     Horizon:     5/25/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss: $61.11mm     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:     8.56     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:    6.015     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:                  0%
Cleanup(1%):           Yes     Default:              table
Premiums:              Yes     Extend:                  0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                          PRICE YIELD                                                    Deal PMAC 1999-C1 Bond X Rating: AAA / AAA
 PRICE       VALUE     DEFAULTS (9 BY 5) Factor: 100% Coupon: 0.616265% Position: $704,764,602n Accrued: $72,387 (6 DAYS) Bench: c
by 0:02    & Change    -------------------------------------------------------------------------------------------------------------
                                      0%          12:0%;1%,12m,30%    12:0%,2%,12m,30%    12:0%;3%,12m,30%    12:0%;3%,12m,40%
                                    YIELD               YIELD               YIELD               YIELD               YIELD
- ------------------------------------------------------------------------------------------------------------------------------------
  4:02    -1,761,912                   10.828%              9.869%              8.895%              7.876%              7.378%
  4:04    -1,321,434                   10.451%              9.490%              8.513%              7.491%              6.986%
  4:06      -880,956                   10.083%              9.120%              8.141%              7.116%              6.604%
  4:08      -440,478                    9.724%              8.759%              7.778%              6.750%              6.232%
  4:10   $30,392,973                    9.374%              8.408%              7.425%              6.394%              5.869%
  4:12      +440,478                    9.032%              8.064%              7.080%              6.046%              5.515%
  4:14      +880,956                    8.699%              7.729%              6.743%              5.706%              5.169%
  4:16    +1,321,434                    8.373%              7.402%              6.414%              5.375%              4.832%
  4:18    +1,761,912                    8.055%              7.083%              6.093%              5.051%              4.502%
SPREAD                                  379.3b              283.4b              185.7b               83.3b               30.8b
RETURN                                  8.803%              7.901%              6.983%              6.021%              5.530%
LIFE                                     9.208               8.914               8.636               8.373               8.373
DURATION                                 4.183               4.162               4.138               4.105               4.034
CONVEXITY                                0.296               0.294               0.292               0.288               0.276
WINDOW                          Jul 99, Feb 19      Jul 99, Nov 18      Jul 99, Sep 18      Jul 99, Jul 18      Jul 99, Jul 18
LOSS                                    0.000%              0.000%              0.000%              0.000%              0.000%
- ------------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                               (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.71%   4.84%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.71%   4.84%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: A-2                                        DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/18/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:       $0     Horizon:     5/21/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss:       $0     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    9.208     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:    6.304     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:               table
Cleanup(1%):           Yes     Default:                 0%
Premiums:              Yes     Extend:                  0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                    Deal PMAC 1999-C1 Bond A-2 Rating: AAA / AAA
 PRICE       VALUE       PREPAYMENT (9 BY 5)    Factor: 100% Coupon: 6.8% Position: $357,327,000 Accrued: $404,971 (6 DAYS) Bench: c
by 0:16    & Change      -----------------------------------------------------------------------------------------------------------
                                      0%                 25%                 50%                 75%                 100%
                                    YIELD               YIELD               YIELD               YIELD               YIELD
- ------------------------------------------------------------------------------------------------------------------------------------
 99:16    -7,146,540                    6.933%              6.933%              6.933%              6.933%              6.933%
   100    -5,359,905                    6.858%              6.858%              6.857%              6.857%              6.857%
100:16    -3,573,270                    6.783%              6.783%              6.783%              6.783%              6.781%
   101    -1,786,635                    6.709%              6.709%              6.709%              6.708%              6.706%
101:16  $362,686,905                    6.636%              6.635%              6.635%              6.634%              6.632%
   102    +1,786,635                    6.562%              6.562%              6.562%              6.561%              6.558%
102:16    +3,573,270                    6.490%              6.489%              6.489%              6.488%              6.484%
   103    +5,359,905                    6.418%              6.417%              6.416%              6.415%              6.411%
103:16    +7,146,540                    6.346%              6.345%              6.344%              6.343%              6.338%
SPREAD                                  105.3b              105.3b              105.3b              105.3b              105.4b
RETURN                                  6.600%              6.599%              6.599%              6.598%              6.594%
LIFE                                     9.268               9.252               9.234               9.209               9.085
DURATION                                 6.711               6.703               6.693               6.680               6.614
CONVEXITY                                0.573               0.571               0.569               0.567               0.555
WINDOW                          Dec 07, Apr 09      Oct 07, Apr 09      Sep 07, Apr 09      Aug 07, Apr 09      Jul 07, Jan 09
LOSS                                    0.000%              0.000%              0.000%              0.000%              0.000%
- ------------------------------------------------------------------------------------------------------------------------------------

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
                   FACTOR          SCHEDULED PREPAID
DATE      COUPON   EOP     SUB     PRINCIPAL PRINCIPAL ACCRUAL  INTEREST   LOSS PREMIUM   CASHFLOW     SOP BALANCE     EOP BALANCE
<S>       <C>      <C>    <C>      <C>       <C>       <C>    <C>          <C>   <C>   <C>           <C>             <C>
 7/15/99   0.068    1  0.275000478     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 8/15/99   0.068    1  0.275322973     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 9/15/99   0.068    1  0.275594889     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
10/15/99   0.068    1  0.275869062     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
11/15/99   0.068    1   0.27619893     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
12/15/99   0.068    1  0.276478123     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 1/15/00   0.068    1  0.276813196     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 2/15/00   0.068    1  0.277097526     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 3/15/00   0.068    1  0.277384239     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 4/15/00   0.068    1  0.277780844     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 5/15/00   0.068    1  0.278073313     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 6/15/00   0.068    1  0.278422116     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 7/15/00   0.068    1  0.278720535     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 8/15/00   0.068    1  0.279075785     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 9/15/00   0.068    1  0.279379751     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
10/15/00   0.068    1  0.279686303     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
11/15/00   0.068    1  0.280049954     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
12/15/00   0.068    1  0.280362215     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 1/15/01   0.068    1  0.280731788     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 2/15/01   0.068    1  0.281049896     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 3/15/01   0.068    1  0.281370738     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 4/15/01   0.068    1  0.281859648     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 5/15/01   0.068    1  0.282187484     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 6/15/01   0.068    1  0.282573177     0        0        0    2.024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 7/15/01   0.068    1  0.282907766     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 8/15/01   0.068    1  0.283300431     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 9/15/01   0.068    1  0.283641359     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
10/15/01   0.068    1  0.283985267     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
11/15/01   0.068    1  0.284387558     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
12/15/01   0.068    1     0.284738     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 1/15/02   0.068    1  0.285147065     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 2/15/02   0.068    1  0.285504203     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 3/15/02   0.068    1  0.285864498     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 4/15/02   0.068    1  0.286396047     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 5/15/02   0.068    1  0.286764264     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 6/15/02   0.068    1  0.287191723     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 7/15/02   0.068    1  0.287567821     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 8/15/02   0.068    1  0.288004264     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 9/15/02   0.068    1  0.288388174     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
10/15/02   0.068    1  0.288775542     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
11/15/02   0.068    1  0.289223099     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
12/15/02   0.068    1  0.289618005     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
 1/15/03   0.068    1  0.290073372     0        0        0    2,024,853.00   0     0    2,024,853.00  357,327,000.00  357,327,000.00
</TABLE>

The information contained herein is privileged, confidential and intended for
use only by the addressee and shall not be republished without the express
approval of PaineWebber. The prices indicated reflect a bid side estimated
valuation unless otherwise indicated. No assurance can be given as to the
accuracy, appropriateness or the completeness of this information and the prices
indicated may differ from values provided by PaineWebber in other contexts.
Market indications in the subject securities may vary greatly among dealers.
Unless otherwise indicated, PaineWebber utilized its own methods for the
valuation which may not comport with your own designated models, criteria,
assumptions or regulatory requirements. The material is provided for information
purposes only and is not intended as an offer or solicitation to purchase or
sell the securities specified.


<PAGE>
<TABLE>
<CAPTION>
                   FACTOR          SCHEDULED PREPAID
DATE      COUPON   EOP     SUB     PRINCIPAL PRINCIPAL ACCRUAL  INTEREST   LOSS PREMIUM   CASHFLOW     SOP BALANCE     EOP BALANCE
<S>       <C>      <C>    <C>      <C>       <C>       <C>    <C>          <C>   <C>   <C>           <C>             <C>
 2/15/03   0.068    1   0.290476009    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 3/15/03   0.068    1   0.290882317    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 4/15/03   0.068    1   0.291463818    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 5/15/03   0.068    1   0.291879189    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 6/15/03   0.068    1   0.292355719    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 7/15/03   0.068    1   0.292779948    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 8/15/03   0.068    1   0.293265624    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 9/15/03   0.068    1   0.294293255    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
10/15/03   0.068    1   0.294731188    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
11/15/03   0.068    1   0.295231098    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
12/15/03   0.068    1   0.297303411    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 1/15/04   0.068    1   0.297815358    0         0        0    2,024,853,00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 2/15/04   0.068    1   0.298273748    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 3/15/04   0.068    1   0.298739877    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 4/15/04   0.068    1   0.299327782    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 5/15/04   0.068    1    0.29980392    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 6/15/04   0.068    1    0.30034348    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 7/15/04   0.068    1   0.300830007    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 8/15/04   0.068    1   0.301380296    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 9/15/04   0.068    1   0.301876781    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
10/15/04   0.068    1   0.302378052    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
11/15/04   0.068    1    0.30294357    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
12/15/04   0.068    1   0.303455158    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 1/15/05   0.068    1   0.304033079    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 2/15/05   0.068    1   0.304557008    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 3/15/05   0.068    1   0.305086067    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 4/15/05   0.068    1   0.305800324    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 5/15/05   0.068    1    0.31206137    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 6/15/05   0.068    1   0.312682704    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 7/15/05   0.068    1   0.313249699    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 8/15/05   0.068    1   0.313883893    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 9/15/05   0.068    1   0.314462897    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357.327,000.00
10/15/05   0.068    1   0.315047714    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
11/15/05   0.068    1   0.315700315    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
12/15/05   0.068    1   0.316297602    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 1/15/06   0.068    1   0.316963114    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 2/15/06   0.068    1   0.317573231    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 3/15/06   0.068    1   0.318189572    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 4/15/06   0.068    1   0.318999978    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 5/15/06   0.068    1   0.319630975    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 6/15/06   0.068    1   0.326551706    0         0        0    2.024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 7/15/06   0.068    1    0.32721648    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 8/15/06   0.068    1    0.33049761    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
 9/15/06   0.068    1   0.331184396    0         0        0    2,024,853.00  0     0    2,024,853.00  357,327,000.00  357,327,000.00
</TABLE>

The information contained herein is privileged, confidential and intended for
use only by the addressee and shall not be republished without the express
approval of PaineWebber. The prices indicated reflect a bid side estimated
valuation unless otherwise indicated. No assurance can be given as to the
accuracy, appropriateness or the completeness of this information and the prices
indicated may differ from values provided by PaineWebber in other contexts.
Market indications in the subject securities may vary greatly among dealers.
Unless otherwise indicated, PaineWebber utilized its own methods for the
valuation which may not comport with your own designated models, criteria,
assumptions or regulatory requirements. The material is provided for information
purposes only and is not intended as an offer or solicitation to purchase or
sell the securities specified.

<PAGE>
<TABLE>
<CAPTION>
                      FACTOR                    SCHEDULED       PREPAID
  DATE     COUPON     EOP            SUB        PRINCIPAL      PRINCIPAL   ACCRUAL     INTEREST    LOSS   PREMIUM   CASHFLOW
<S>        <C>      <C>          <C>          <C>             <C>        <C>        <C>           <C>    <C>      <C>
10/15/06   0.068             1   0.331878402               0       0          0     2,024,853.00    0       0     2,024,853.00
11/15/06   0.068             1    0.33264483               0       0          0     2,024,853.00    0       0     2,024,853.00
12/15/06   0.068             1   0.333354253               0       0          0     2,024,853.00    0       0     2,024,853.00
 1/15/07   0.068             1   0.334136639               0       0          0     2,024,853.00    0       0     2,024,853.00
 2/15/07   0.068             1   0.334861945               0       0          0     2,024,853.00    0       0     2,024,853.00
 3/15/07   0.068             1   0.335595013               0       0          0     2,024,853.00    0       0     2,024,853.00
 4/15/07   0.068             1   0.336533697               0       0          0     2,024,853.00    0       0     2,024,853.00
 5/15/07   0.068             1   0.337284776               0       0          0     2,024,853.00    0       0     2,024,853.00
 6/15/07   0,068             1   0.339767489               0       0          0     2,024,853.00    0       0     2,024,853.00
 7/15/07   0.068             1   0.346492092               0       0          0     2,024,853.00    0       0     2,024,853.00
 8/15/07   0.068             1   0.347363088               0       0          0     2,024,853.00    0       0     2,024,853.00
 9/15/07   0.068             1   0.348175795               0       0          0     2,024,853.00    0       0     2,024,853.00
10/15/07   0.068             1   0.348997464               0       0          0     2,024,853.00    0       0     2,024,853.00
11/15/07   0.068             1   0.349896587               0       0          0     2,024,853.00    0       0     2,024,853.00
12/15/07   0.068   0.999997241   0.350737329          985.71       0          0     2,024,853.00    0       0     2,025,838.71
 1/15/08   0.068   0.949622069   0.351656189   18,000,409.35       0          0     2,024,847.41    0       0    20,025,256.76
 2/15/08   0.068   0.945913879   0.363529244    1,325,036.42       0          0     1,922,845.09    0       0     3,247,881.51
 3/15/08   0.068    0.91730684   0.364434997   10,222,067.17       0          0     1,915,336.55    0       0    12,137,403.72
 4/15/08   0.068   0.913591356   0.371577168    1,327,642.98       0          0     1,857,411.51    0       0     3,185,054.49
 5/15/08   0.068   0.905370922   0.372525387    2,937,382.93       0          0     1,849,888.20    0       0     4,787,271.13
 6/15/08   0.068    0.76016277   0.374640599   51,886,793.27       0          0     1,833,243.03    0       0    53,720,036.30
 7/15/08   0.068   0.693650744   0.416405408   23,766,542.79       0          0     1,539,217.87    0       0    25,305,760.66
 8/15/08   0.068   0.606895179   0.438812409   31,000,105.76       0          0     1,404,540.79    0       0    32,404,646.55
 9/15/08   0.068   0.511394195    0.47193684   34,125,080.18       0          0     1,228,873.52    0       0    35,353,953.70
10/15/08   0.068   0.234744763   0.514706917   98,854,311.69       0          0     1,035,498.07    0       0    99,889,809.76
11/15/08   0.068   0.141528379    0.69793559   33,308,730.73       0          0       475,323.64    0       0    33,784,054.37
12/15/08   0.068   0.125238714   0.793062481    5,820,737.22       0          0       286,574.16    0       0     6,107,311.38
 1/15/09   0.068   0.088614588    0.81241264   13,086,788.99       0          0       253,589.98    0       0    13,340,378 97
 2/15/09   0.068   0.083226277   0.859565865    1,925,388.94       0          0       179,431.51    0       0     2,104,820.45
 3/15/09   0.068   0.073419964   0.866969137    3,504,060.22       0          0       168,520.98    0       0     3,672,581.20
 4/15/09   0.068             0   0.880774971   26,234,935.65       0          0       148,664.64    0       0    26,383,600.29
</TABLE>

<TABLE>
<CAPTION>
   SOP BALANCE       EOP BALANCE
<S>               <C>
 357,327,000.00    357,327,000.00
 357,327,000.00    357,327,000.00
 357,327,000.00    357,327,000.00
 357,327,000.00    357,327,000.00
 357,327,000.00    357,327,000.00
 357,327,000.00    357,327,000.00
 357,327,000.00    357,327,000.00
 357,327,000.00    357,327,000.00
 357,327,000.00    357,327,000.00
 357,327,000.00    357,327,000.00
 357,327,000.00    357,327,000.00
 357,327,000.00    357,327,000.00
 357,327,000.00    357,327,000.00
 357,327,000.00    357,327,000.00
 357,327,000.00    357,326,014.29
 357,326,014.29    339,325,604.94
 339,325,604.94    338,000,568.52
 338,000,568.52    327,778,501.35
 327,778,501.35    326,450,858.37
 326,450,858.37    323,513,475.44
 323,513,475.44    271,626,682.17
 271,626,682.17    247,860,139.38
 247,860,139.38    216,860,033.62
 216,860,033.62    182,734,953.44
 182,734,951.44     83,880,641.75
  83,880,641.75     50,571,911.02
  50,571,911.02     44,751,173.80
  44,751,173.80     31,664,384.81
  31,664,384.81     29,738,995.87
  29,738,995.87     26,234,935.65
  26,234,935.65                 0
</TABLE>

The information contained herein is privileged, confidential and intended for
use only by the addressee and shall not be republished without the express
approval of PaineWebber. The prices indicated reflect a bid side estimated
valuation unless otherwise indicated. No assurance can be given as to the
accuracy, appropriateness or the completeness of this information and the prices
indicated may differ from values provided by PaineWebber in other contexts.
Market indications in the subject securities may vary greatly among dealers.
Unless otherwise indicated, PaineWebber utilized its own methods for the
valuation which may not comport with your own designated models, criteria,
assumptions or regulatory requirements. The material is provided for information
purposes only and is not intended as an offer or solicitation to purchase or
sell the securities specified.

<PAGE>

<TABLE>
<CAPTION>
                     FACTOR                          SCHEDULED       PREPAID
DATE     COUPON        EOP             SUB           PRINCIPAL      PRINCIPAL     ACCRUAL      INTEREST      LOSS    PREMIUM
- ----    --------   -----------    -------------    --------------  -------------  -------    ------------    ----    -------
<S>       <C>    <C>           <C>               <C>             <C>           <C>           <C>            <C>     <C>
7/15/99   0.068         1          0.275000478           0              0            0       2,024,853.00      0         0
8/15/99   0.068         1          0.275322973           0              0            0       2,024,853.00      0         0
9/15/99   0.068         1          0.275594889           0              0            0       2,024,853.00      0         0
10/15/99  0.068         1          0.275869062           0              0            0       2,024,853.00      0         0
11/15/99  0.068         1          0.27619893            0              0            0       2,024,853.00      0         0
12/15/99  0.068         1          0.276478123           0              0            0       2,024,853.00      0         0
1/15/00   0.068         1          0.276813196           0              0            0       2,024,853.00      0         0
2/15/00   0.068         1          0.277097526           0              0            0       2,024,853.00      0         0
3/15/00   0.068         1          0.277384239           0              0            0       2,024,853.00      0         0
4/15/00   0.068         1          0.277780844           0              0            0       2,024,853.00      0         0
5/15/00   0.068         1          0.278073313           0              0            0       2,024,853.00      0         0
6/15/00   0.068         1          0.28345879            0              0            0       2,024,853.00      0         0
7/15/00   0.068         1          0.283764186           0              0            0       2,024,853.00      0         0
8/15/00   0.068         1          0.284127398           0              0            0       2,024,853.00      0         0
9/15/00   0.068         1          0.284438476           0              0            0       2,024,853.00      0         0
10/15/00  0.068         1          0.284752203           0              0            0       2,024,853.00      0         0
11/15/00  0.068         1          0.285124019           0              0            0       2,024,853.00      0         0
12/15/00  0.068         1          0.285443593           0              0            0       2,024,853.00      0         0
1/15/01   0.068         1          0.285821473           0              0            0       2,024,853.00      0         0
2/15/01   0.068         1          0.286147036           0              0            0       2,024,853.00      0         0
3/15/01   0.068         1          0.2864754             0              0            0       2,024,853.00      0         0
4/15/01   0.068         1          0.286974727           0              0            0       2,024,853.00      0         0
5/15/01   0.068         1          0.287310249           0              0            0       2,024,853.00      0         0
6/15/01   0.068         1          0.287704635           0              0            0       2,024,853.00      0         0
7/15/01   0.068         1          0.28804708            0              0            0       2,024,853.00      0         0
8/15/01   0.068         1          0.288448615           0              0            0       2,024,853.00      0         0
9/15/01   0.068         1          0.288797554           0              0            0       2,024,853.00      0         0
10/15/01  0.068         1          0.289149547           0              0            0       2,024,853.00      0         0
11/15/01  0.068         1          0.289560943           0              0            0       2,024,853.00      0         0
12/15/01  0.068         1          0.28991963            0              0            0       2,024,853.00      0         0
1/15/02   0.068         1          0.290337964           0              0            0       2,024,853.00      0         0
2/15/02   0.068         1          0.29070351            0              0            0       2,024,853.00      0         0
3/15/02   0.068         1          0.291072292           0              0            0       2,024,853.00      0         0
4/15/02   0.068         1          0.291615296           0              0            0       2,024,853.00      0         0
5/15/02   0.068         1          0.291992189           0              0            0       2,024,853.00      0         0
6/15/02   0.068         1          0.292429362           0              0            0       2,024,853.00      0         0
7/15/02   0.068         1          0.292814339           0              0            0       2,024,853.00      0         0
8/15/02   0.068         1          0.293260738           0              0            0       2,024,853.00      0         0
9/15/02   0.068         1          0.293653725           0              0            0       2,024,853.00      0         0
10/15/02  0.068         1          0.294050257           0              0            0       2,024,853.00      0         0
11/15/02  0.068         1          0.294508045           0              0            0       2,024,853.00      0         0
12/15/02  0.068         1          0.294912302           0              0            0       2,024,853.00      0         0
1/15/03   0.068         1          0.295378093           0              0            0       2,024,853.00      0         0
<CAPTION>
                       SOP             EOP
    CASHFLOW         BALANCE          BALANCE
  -------------   --------------  --------------
  <C>           <C>              <C>
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327.000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024.853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024.853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
</TABLE>


The information contained herein is privileged, confidential and intended for
use only by the addressee and shall not be republished without the express
approval of PaineWebber. The prices indicated reflect a bid side estimated
valuation unless otherwise indicated. No assurance can be given as to the
accuracy, appropriateness or the completeness of this information and the prices
indicated may differ from values provided by PaineWebber in other contexts.
Market indications in the subject securities may vary greatly among dealers.
Unless otherwise indicated, PaineWebber utilized its own methods for the
valuation which may not comport with your own designated models, criteria,
assumptions or regulatory requirements. The material is provided for information
purposes only and is not intended as an offer or solicitation to purchase or
sell the securities specified.


<PAGE>
<TABLE>
<CAPTION>
                   FACTOR                        SCHEDULED       PREPAID
DATE     COUPON     EOP           SUB            PRINCIPAL      PRINCIPAL   ACCRUAL      INTEREST    LOSS   PREMIUM
- ----    -------- ----------   -------------    -------------    ---------   -------    ------------  ----   ------
<S>       <C>    <C>          <C>               <C>             <C>        <C>        <C>            <C>    <C>
2/15/03   0.068      1        0.295790272            0              0          0       2,024,853.00    0       0
3/15/03   0.068      1        0.296206215            0              0          0       2,024,853.00    0       0
4/15/03   0.068      1        0.296800414            0              0          0       2,024,853.00    0       0
5/15/03   0.068      1        0.29722564             0              0          0       2,024,853.00    0       0
6/15/03   0.068      1        0.297713114            0              0          0       2,024,853.00    0       0
7/15/03   0.068      1        0.298147426            0              0          0       2,024,853.00    0       0
8/15/03   0.068      1        0.298644282            0              0          0       2,024,853.00    0       0
9/15/03   0.068      1        0.299704263            0              0          0       2,024,853.00    0       0
10/15/03  0.068      1        0.300152648            0              0          0       2,024,853.00    0       0
11/15/03  0.068      1        0.300664122            0              0          0       2,024,853.00    0       0
12/15/03  0.068      1        0.302807687            0              0          0       2,024,853.00    0       0
1/15/04   0.068      1        0.303331563            0              0          0       2,024,853.00    0       0
2/15/04   0.068      1        0.30380098             0              0          0       2,024,853.00    0       0
3/15/04   0.068      1        0.304278377            0              0          0       2,024,853.00    0       0
4/15/04   0.068      1        0.304879721            0              0          0       2,024,853.00    0       0
5/15/04   0.068      1        0.305367378            0              0          0       2,024,853.00    0       0
6/15/04   0.068      1        0.305919609            0              0          0       2,024,853.00    0       0
7/15/04   0.068      1        0.30641793             0              0          0       2,024,853.00    0       0
8/15/04   0.068      1        0.306981173            0              0          0       2,024,853.00    0       0
9/15/04   0.068      1        0.307489709            0              0          0       2,024,853.00    0       0
10/15/04  0.068      1        0.308003155            0              0          0       2,024,853.00    0       0
11/15/04  0.068      1        0.308582019            0              0          0       2,024,853.00    0       0
12/15/04  0.068      1        0.309106049            0              0          0       2,024,853.00    0       0
1/15/05   0.068      1        0.309697657            0              0          0       2,024,853.00    0       0
2/15/05   0.068      1        0.310234366            0              0          0       2,024,853.00    0       0
3/15/05   0.068      1        0.310776342            0              0          0       2,024,853.00    0       0
4/15/05   0.068      1        0.311506828            0              0          0       2,024,853.00    0       0
5/15/05   0.068      1        0.31206137             0              0          0       2,024,853.00    0       0
6/15/05   0.068      1        0.312682704            0              0          0       2,024,853.00    0       0
7/15/05   0.068      1        0.313249699            0              0          0       2,024,853.00    0       0
8/15/05   0.068      1        0.313883893            0              0          0       2,024,853.00    0       0
9/15/05   0.068      1        0.314462897            0              0          0       2,024,853.00    0       0
10/15/05  0.068      1        0.315047714            0              0          0       2,024,853.00    0       0
11/15/05  0.068      1        0.315700315            0              0          0       2,024,853.00    0       0
12/15/05  0.068      1        0.316297602            0              0          0       2,024,853.00    0       0
1/15/06   0.068      1        0.316963114            0              0          0       2,024,853.00    0       0
2/15/06   0.068      1        0.317573231            0              0          0       2,024,853.00    0       0
3/15/06   0.068      1        0.324349652            0              0          0       2,024,853.00    0       0
4/15/06   0.068      1        0.325181677            0              0          0       2,024,853.00    0       0
5/15/06   0.068      1        0.32583137             0              0          0       2,024,853.00    0       0
6/15/06   0.068      1        0.326551706            0              0          0       2,024,853.00    0       0
7/15/06   0.068      1        0.331402886            0              0          0       2,024,853.00    0       0
8/15/06   0.068      1        0.334761855            0              0          0       2,024,853.00    0       0
9/15/06   0.068      1        0.335460197            0              0          0       2,024,853.00    0       0
<CAPTION>
                      SOP              EOP
    CASHFLOW        BALANCE           BALANCE
  -------------    --------------  --------------
  <C>           <C>              <C>
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
</TABLE>
The information contained herein is privileged, confidential and intended for
use only by the addressee and shall not be republished without the express
approval of PaineWebber. The prices indicated reflect a bid side estimated
valuation unless otherwise indicated. No assurance can be given as to the
accuracy, appropriateness or the completeness of this information and the prices
indicated may differ from values provided by PaineWebber in other contexts.
Market indications in the subject securities may vary greatly among dealers.
Unless otherwise indicated, PaineWebber utilized its own methods for the
valuation which may not comport with your own designated models, criteria,
assumptions or regulatory requirements. The material is provided for information
purposes only and is not intended as an offer or solicitation to purchase or
sell the securities specified.

<PAGE>

<TABLE>
<CAPTION>
                    FACTOR                          SCHEDULED       PREPAID
DATE    COUPON       EOP              SUB           PRINCIPAL      PRINCIPAL      ACCRUAL      INTEREST      LOSS  PREMIUM
- ----    --------- -----------    -------------    --------------  -------------   -------   ---------------  ----  -------
<S>       <C>    <C>           <C>               <C>             <C>           <C>           <C>            <C>    <C>
10/15/06  0.068             1     0.336165892                  0              0       0       2,024,853.00    0       0
11/15/06  0.068             1     0.336944977                  0              0       0       2,024,853.00    0       0
12/15/06  0.068             1     0.339355197                  0              0       0       2,024,853.00    0       0
1/15/07   0.068             1     0.340152546                  0              0       0       2,024,853.00    0       0
2/15/07   0.068             1     0.340891925                  0              0       0       2,024,853.00    0       0
3/15/07   0.068             1     0.341639209                  0              0       0       2,024,853.00    0       0
4/15/07   0.068             1     0.348644633                  0              0       0       2,024,853.00    0       0
5/15/07   0.068             1     0.349430348                  0              0       0       2,024,853.00    0       0
6/15/07   0.068             1     0.350293002                  0              0       0       2,024,853.00    0       0
7/15/07   0.068   0.99856118      0.351097956         514,129.34              0       0       2,024,853.00    0       0
8/15/07   0.068   0.994949325     0.351983909       1,290,613.29              0       0       2,021,939.60    0       0
9/15/07   0.068   0.991314732     0.352810866       1,298,738.01              0       0       2,014,626.13    0       0
10/15/07  0.068   0.940501038     0.353646962       1,413,702.86  16,743,402.27       0       2,007,266.61    0       0
11/15/07  0.068   0.936897351     0.365765255       1,287,694.40              0       0       1,904,376.35    0       0
12/15/07  0.068   0.841898368     0.366656295       1,398,738.86  32,546,962.91       0       1,897,079.41    0       0
1/15/08   0.068   0.825579808     0.391818663       1,251,387.35   4,579,674.57       0       1,704,720.44    0       0
2/15/08   0.068   0.801923574     0.396492682       1,247,637.80   7,205,373.36       0       1,671,677.75    0       0
3/15/08   0.068   0.741300564     0.403469866       1,410,719.64  20,251,518.61       0       1,623,777.35    0       0
4/15/08   0.068   0.681047831     0.422523957       1,198,309.54  20,331,618.88       0       1,501,024.67    0       0
5/15/08   0.068   0.648609624     0.443332716       2,749,107.79   8,841,939.56       0       1,379,021.74    0       0
6/15/08   0.068   0.639288875     0.455407378       3,330,555.24              0       0       1,313,339.14    0       0
7/15/08   0.068   0.588959121     0.458999503      17,984,179.88              0       0       1,294,466.00    0       0
8/15/08   0.068   0.487357584     0.47941878       20,059,842.18  16,245,130.21       0       1,192,555.64    0       0
9/15/08   0.068   0.387828997     0.526721327      31,510,628.72   4,053,622.64       0         986,827.47    0       0
10/15/08  0.068   0.132348155     0.583077763      79,807,061.31  11,483,141.71       0         785,296.71    0       0
11/15/08  0.068   0.098238851     0.803852579      12,188,174.99              0       0         267,985.56    0       0
12/15/08  0.068   0.016769841     0.846652478       3,719,542.25  25,391,535.00       0         198,919.23    0       0
1/15/09   0.068             0     0.970008862       1,593,462.38   4,398,854.45       0          33,956.46    0       0

<CAPTION>
                     SOP              EOP
   CASHFLOW        BALANCE           BALANCE
 -------------    --------------  --------------
 <C>           <C>              <C>
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2.024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,538,982.34    357,327,000.00  356,812,870.66
 3,312,552.89    356,812,870.66  355,522,257.37
 3,313,364.14    355,522,257.37  354,223,519.36
20,164,371.74    354,223,519.36  336,066,414.23
 3,192,070.75    336,066,414.23  334,778,719.83
35,842,781.18    334,778,719.83  300,833,018.06
 7,535,782.36    300,833,018.06  295,001,956.14
10,124,688.91    295,001,956.14  286,548,944.98
23,286,015.60    286,548,944.98  264,886,706.73
23,030,953.09    264,886,706.73  243,356,778.31
12,970,069.09    243,356,778.31  231,765,730.96
 4,643,894.38    231,765,730.96  228,435,175.72
19,278,645.88    228,435,175.72  210,450,995.84
37,497,528.03    210,450,995.84  174,146,023.45
36,551,078.83    174,146,023.45  138,581,772.09
92,075,499.73    138,581,772.09   47,291,569.07
12,456,160.55     47,291,569.07   35,103,394.08
29,309,996,48     35,103,394.08    5,992,316.83
 6,026,273.29      5,992,316.83               0
</TABLE>


The information contained herein is privileged, confidential and intended for
use only by the addressee and shall not be republished without the express
approval of PaineWebber. The prices indicated reflect a bid side estimated
valuation unless otherwise indicated. No assurance can be given as to the
accuracy, appropriateness or the completeness of this information and the prices
indicated may differ from values provided by PaineWebber in other contexts.
Market indications in the subject securities may vary greatly among dealers.
Unless otherwise indicated, PaineWebber utilized its own methods for the
valuation which may not comport with your own designated models, criteria,
assumptions or regulatory requirements. The material is provided for information
purposes only and is not intended as an offer or solicitation to purchase or
sell the securities specified.


<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.71%   4.84%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.71%   4.84%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: A-2                                         DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/18/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:       $0     Horizon:     5/21/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss: $74.04mm     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    8.326     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:    5.903     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:                  0%
Cleanup(1%):           Yes     Default:              table
Premiums:              Yes     Extend:                  0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                     Deal PMAC 1999-C1 Bond A-2 Rating: AAA /AAA
 PRICE       VALUE       DEFAULTS (9 BY 6)      Factor: 100% Coupon: 6.8% Position: $357,327,000 Accrued: $404,971 (6 DAYS) Bench: c
by 0:16    & Change  ---------------------------------------------------------------------------------------------------------------
                              0%       24:0%;1%,12m,35%  24:0%;2%,12m,35%  24:0%;3%,12m,35%    24:0%;4%,12m,35%    24:0%;5%,12m,35%
                            YIELD            YIELD           YIELD            YIELD                 YIELD               YIELD
- ------------------------------------------------------------------------------------------------------------------------------------
 99:16    -7,146,540          6.933%          6.933%              6.933%             6.933%             6.933%             6.934%
   100    -5,359,905          6.858%          6.857%              6.857%             6.857%             6.857%             6.856%
100:16    -3,573,270          6.783%          6.783%              6.782%             6.781%             6.780%             6.779%
   101    -1,786,635          6.709%          6.708%              6.707%             6.706%             6.705%             6.703%
101:16  $362,686,905          6.636%          6.634%              6.633%             6.631%             6.629%             6.627%
   102    +1,786,635          6.562%          6.561%              6.559%             6.557%             6.554%             6.551%
102:16    +3,573,270          6.490%          6.488%              6.486%             6.483%             6.480%             6.476%
   103    +5,359,905          6.418%          6.416%              6.413%             6.410%             6.406%             6.402%
103:16    +7,146,540          6.346%          6.344%              6.341%             6.337%             6.332%             6.328%
SPREAD                        105.3b          105.3b              105.3b             105.3b             105.4b             105.4b
RETURN                        6.660%          6.598%              6.596%             6.593%             6.590%             6.586%
LIFE                           9.268           9.219               9.156              9.072              8.982              8.887
DURATION                       6.711           6.684               6.650              6.603              6.552              6.499
CONVEXITY                      0.573           0.568               0.562              0.555              0.546              0.538
WINDOW                Dec 07, Apr 09  Jun 07, Apr 09      Dec 06, Apr 09     Jul 06, Apr 09     May 06, Apr 09     Dec 05, Apr 09
LOSS                          0.000%          0.000%              0.000%             0.000%             0.000%             0.000%
- ------------------------------------------------------------------------------------------------------------------------------------

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.71%   4.84%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.71%   4.84%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: A-2                                          DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/18/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:  $0.52mm     Horizon:     5/21/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss: $73.14mm     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    8.234     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:    5.843     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:                 50%
Cleanup(1%):           Yes     Default:              table
Premiums:              Yes     Extend:                  0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                      Deal PMAC 1999-C1 Bond A-2 Rating: AAA/AAA
 PRICE       VALUE       DEFAULTS   (9 BY 6)   Factor: 100% Coupon: 6.8%  Position: $357,327,000 Accrued: $404,971 (6 DAYS) Bench: C
by 0:16    & Change      -----------------------------------------------------------------------------------------------------------
                                0%      24:0%;1%,12m,35%  24:0%;2%,12m,35% 24:0%;3%,12m,35%  24:09%;4%,12m,35%  24:0%;5%,12m,35%
                              YIELD            YIELD           YIELD            YIELD            YIELD               YIELD
- ------------------------------------------------------------------------------------------------------------------------------------
 99:16    -7,146,540           6.933%           6.933%          6.933%          6.933%           6.934%               6.934%
   100    -5,359,905           6.857%           6.857%          6.857%          6.857%           6.857%               6.856%
100:16    -3,573,270           6.783%           6.782%          6.782%          6.781%           6.780%               6.779%
   101    -1,786,635           6.709%           6.708%          6.707%          6.706%           6.704%               6.702%
101:16  $362,686,905           6.635%           6.634%          6.632%          6.631%           6.628%               6.626%
   102    +1,786,635           6.562%           6.560%          6.558%          6.556%           6.553%               6.550%
102:16    +3,573,270           6.489%           6.487%          6.485%          6.482%           6.479%               6.475%
   103    +5,359,905           6.416%           6.414%          6.412%          6.408%           6.405%               6.400%
103:16    +7,146,540           6.344%           6.342%          6.339%          6.335%           6.331%               6.326%
SPREAD                         105.3b           105.3b          105.4b          105.4b           105.4b               105.4b
RETURN                         6.599%           6.597%          6.595%          6.592%           6.589%               6.585%
LIFE                            9.234            9.181           9.114           9.030            8.941               8.846
DURATION                        6.693            6.664           6.627           6.580            6.530               6.476
CONVEXITY                       0.569            0.565           0.558           0.551            0.543               0.534
WINDOW                 Sep 07, Apr 09   May 07, Apr 09  Nov 06, Apr 09  Jun 06, Apr 09   Apr 06, Apr 09       Nov 05, Apr 09
LOSS                           0.000%           0.000%          0.000%          0.000%           0.000%
- ------------------------------------------------------------------------------------------------------------------------------------
                                              16.88mm         32.53mm         47.09mm          60.00mm               73.14mm

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-Mo    6-Mo    1-Yr    2-Yr    5-Yr    10-Yr    30-Yr
                                                                              ------------------------------------------------------
                                                                              4.71%   4.84%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.71%   4.84%   4.83%   5.26%   5.48%    5.6%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: A-2                                           DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>                <C>          <C>    <C>         <C>    <C>          <C>
Today:    5/18/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:  $0.69mm     Horizon:     5/21/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss:       $0     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:    9.701     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:    6.484     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:               table
Cleanup(1%):           Yes     Default:                 0%
Premiums:              Yes     Extend:         100%,24m,0%

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                     Deal PMAC 1999-C1 Bond A-2 Rating: AAA/AAA
 PRICE       VALUE       PREPAYMENTS (9 BY 5)   Factor: 100% Coupon: 6.8% Position: $357,327,000 Accrued: $404,971 (6 DAYS) Bench: C
by 0:16    & Change      -----------------------------------------------------------------------------------------------------------
                                      0%                 25%                 50%                 75%                 100%
                                    YIELD               YIELD               YIELD               YIELD               YIELD
- ------------------------------------------------------------------------------------------------------------------------------------
 99:16    -7,146,540                    6.928%              6.929%              6.929%              6.930%              6.931%
   100    -5,359,905                    6.862%              6.862%              6.861%              6.861%              6.859%
100:16    -3,573,270                    6.796%              6.795%              6.794%              6.793%              6.788%
   101    -1,786,635                    6.731%              6.729%              6.728%              6.725%              6.716%
101:16  $362,686,905                    6.666%              6.664%              6.661%              6.658%              6.646%
   102    +1,786,635                    6.602%              6.599%              6.595%              6.591%              6.576%
102:16    +3,573,270                    6.538%              6.534%              6.530%              6.524%              6.506%
   103    +5,359,905                    6.474%              6.470%              6.465%              6.458%              6.436%
103:16    +7,146,540                    6.411%              6.406%              6.400%              6.393%              6.368%
SPREAD                                  105.0b              105.0b              105.0b              105.0b              105.0b
RETURN                                  6.586%              6.584%              6.592%              6.602%              6.617%
LIFE                                    11.087              10.936              10.762              10.536               9.841
DURATION                                 7.603               7.530               7.445               7.333               6.987
CONVEXITY                                0.753               0.738               0.721               0.699               0.630
WINDOW                          Sep 08, Apr 11      May 08, Apr 11      Apr 08, Jan 11      Jan 08, Dec 10      Oct 07, Oct 10
LOSS                                    0.000%              0.000%              0.000%              0.000%              0.000%
- ------------------------------------------------------------------------------------------------------------------------------------

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
                      FACTOR                       SCHEDULED       PREPAID
DATE    COUPON         EOP           SUB           PRINCIPAL      PRINCIPAL    ACCRUAL      INTEREST     LOSS  PREMIUM
- ----    ---------  -----------   -----------     --------------   ---------    -------    ------------   ----  -------
<S>       <C>    <C>            <C>               <C>             <C>           <C>           <C>        <C>   <C>
7/15/99   0.068         1        0.275000478            0              0          0       2,024,853.00    0       0
8/15/99   0.068         1        0.275322973            0              0          0       2,024,853.00    0       0
9/15/99   0.068         1        0.275594889            0              0          0       2,024,853.00    0       0
10/15/99  0.068         1        0.275869062            0              0          0       2,024,853.00    0       0
11/15/99  0.068         1        0.27619893             0              0          0       2,024,853.00    0       0
12/15/99  0.068         1        0.276478123            0              0          0       2,024,853.00    0       0
1/15/00   0.068         1        0.276813196            0              0          0       2,024,853.00    0       0
2/15/00   0.068         1        0.277097526            0              0          0       2,024,853.00    0       0
3/15/00   0.068         1        0.277384239            0              0          0       2,024,853.00    0       0
4/15/00   0.068         1        0.277780844            0              0          0       2,024,853.00    0       0
5/15/00   0.068         1        0.278073313            0              0          0       2,024,853.00    0       0
6/15/00   0.068         1        0.278422116            0              0          0       2,024,853.00    0       0
7/15/00   0.068         1        0.278720535            0              0          0       2,024,853.00    0       0
8/15/00   0.068         1        0.279075785            0              0          0       2,024,853.00    0       0
9/15/00   0.068         1        0.279379751            0              0          0       2,024,853.00    0       0
10/15/00  0.068         1        0.279686303            o              0          0       2,024,853.00    0       0
11/15/00  0.068         1        0.280049954            0              0          0       2,024,853.00    0       0
12/15/00  0.068         1        0.280362215            0              0          0       2,024,853.00    0       0
1/15/01   0.068         1        0.280731788            0              0          0       2,024,853.00    0       0
2/15/01   0.068         1        0.281049896            0              0          0       2,024,853.00    0       0
3/15/01   0.068         1        0.281370738            0              0          0       2,024,853.00    0       0
4/15/01   0.068         1        0.281859648            0              0          0       2,024,853.00    0       0
5/15/01   0.068         1        0.282187484            0              0          0       2,024,853.00    0       0
6/15/01   0.068         1        0.282573177            0              0          0       2,024,853.00    0       0
7/15/01   0.068         1        0.282907766            0              0          0       2,024,853.00    0       0
8/15/01   0.068         1        0.283300431            0              0          0       2,024,853.00    0       0
9/15/01   0.068         1        0.283641359            0              0          0       2,024,853.00    0       0
10/15/01  0.068         1        0.283985267            0              0          0       2,024,853.00    0       0
11/15/01  0.068         1        0.284387558            0              0          0       2,024,853.00    0       0
12/15/01  0.068         1        0.284738               0              0          0       2,024,853.00    0       0
1/15/02   0.068         1        0.285147065            0              0          0       2,024,853.00    0       0
2/15/02   0.068         1        0.285504203            0              0          0       2,024,853.00    0       0
3/15/02   0.068         1        0.285864498            0              0          0       2,024,853.00    0       0
4/15/02   0.068         1        0.286396047            0              0          0       2,024,853.00    0       0
5/15/02   0.068         1        0.286764264            0              0          0       2,024,853.00    0       0
6/15/02   0.068         1        0.287191723            0              0          0       2,024,853.00    0       0
7/15/02   0.068         1        0.287567821            0              0          0       2,024,853.00    0       0
8/15/02   0.068         1        0.288004264            0              0          0       2,024,853.00    0       0
9/15/02   0.068         1        0.288388174            0              0          0       2,024,853.00    0       0
10/15/02  0.068         1        0.288775542            0              0          0       2,024,853.00    0       0
11/15/02  0.068         1        0.289223099            0              0          0       2,024,853.00    0       0
12/15/02  0.068         1        0.289618005            0              0          0       2,024,853.00    0       0
1/15/03   0.068         1        0.290073372            0              0          0       2,024,853.00    0       0

<CAPTION>
                        SOP              EOP
      CASHFLOW        BALANCE           BALANCE
    -------------    --------------  --------------
    <C>           <C>              <C>
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
   2,024,853.00    357,327,000.00  357,327,000.00
</TABLE>



The information contained herein is privileged, confidential and intended for
use only by the addressee and shall not be republished without the express
approval of PaineWebber. The prices indicated reflect a bid side estimated
valuation unless otherwise indicated. No assurance can be given as to the
accuracy, appropriateness or the completeness of this information and the prices
indicated may differ from values provided by PaineWebber in other contexts.
Market indications in the subject securities may vary greatly among dealers.
Unless otherwise indicated, PaineWebber utilized its own methods for the
valuation which may not comport with your own designated models, criteria,
assumptions or regulatory requirements. The material is provided for information
purposes only and is not intended as an offer or solicitation to purchase or
sell the securities specified.

<PAGE>
<TABLE>
<CAPTION>
                     FACTOR                        SCHEDULED       PREPAID
DATE     COUPON       EOP            SUB           PRINCIPAL      PRINCIPAL    ACCRUAL      INTEREST     LOSS  PREMIUM
- ----     ------   -----------   -------------    --------------   ---------    -------    -------------  ----  -------
<S>      <C>      <C>           <C>               <C>             <C>         <C>        <C>            <C>    <C>
2/15/03   0.068        1        0.290476009             0              0          0       2,024,853.00    0       0
3/15/03   0.068        1        0.290882317             0              0          0       2,024,853.00    0       0
4/15/03   0.068        1        0.291463818             0              0          0       2,024,853.00    0       0
5/15/03   0.068        1        0.291879189             0              0          0       2,024,853.00    0       0
6/15/03   0.068        1        0.292355719             0              0          0       2,024,853.00    0       0
7/15/03   0.068        1        0.292779948             0              0          0       2,024,893.00    0       0
8/15/03   0.068        1        0.293265624             0              0          0       2,024,853.00    0       0
9/15/03   0.068        1        0.293698285             0              0          0       2,024,853.00    0       0
10/15/03  0.068        1        0.294134969             0              0          0       2,024,853.00    0       0
11/15/03  0.068        1        0.294633508             0              0          0       2,024,853.00    0       0
12/15/03  0.068        1        0.295078912             0              0          0       2,024,853.00    0       0
1/15/04   0.068        1        0.295586483             0              0          0       2,024,853.00    0       0
2/15/04   0.068        1        0.296040837             0              0          0       2,024,853.00    0       0
3/15/04   0.068        1        0.296502841             0              0          0       2,024,853.00    0       0
4/15/04   0.068        1        0.297085815             0              0          0       2,024,853.00    0       0
5/15/04   0.068        1        0.29755774              o              0          0       2,024,853.00    0       0
6/15/04   0.068        1        0.298092663             0              0          0       2,024,853.00    0       0
7/15/04   0.068        1        0.298574882             0              0          0       2,024,853.00    0       0
8/15/04   0.068        1        0.299120436             0              0          0       2,024,853.00    0       0
9/15/04   0.068        1        0.299612525             0              0          0       2,024,853.00    0       0
10/15/04  0.068        1        0.300109358             0              0          0       2,024,853.00    0       0
11/15/04  0.068        1        0.300670005             0              0          0       2,024,853.00    0       0
12/15/04  0.068        1        0.301177065             0              0          0       2,024,853.00    0       0
1/15/05   0.068        1        0.301749995             0              0          0       2,024,853.00    0       0
2/15/05   0.068        1        0.302269275             0              0          0       2,024,853.00    0       0
3/15/05   0.068        1        0.302793639             0              0          0       2,024,853.00    0       0
4/15/05   0.068        1        0.303501973             0              0          0       2,024,853.00    0       0
5/15/05   0.068        1        0.304038487             0              0          0       2,024,853.00    0       0
6/15/05   0.068        1        0.304640143             0              0          0       2,024,853.00    0       0
7/15/05   0.068        1        0.305188672             0              0          0       2,024,853.00    0       0
8/15/05   0.068        1        0.305802737             0              0          0       2,024,853.00    0       0
9/15/05   0.068        1        0.306993749             0              0          0       2,024,853.00    0       0
10/15/05  0.068        1        0.307561145             0              0          0       2,024,853.00    0       0
11/15/05  0.068        1        0.308194778             0              0          0       2,024,853.00    0       0
12/15/05  0.068        1        0.310477679             0              0          0       2,024,853.00    0       0
1/15/06   0.068        1        0.311127621             0              0          0       2,024,853.00    0       0
2/15/06   0.068        1        0.311723079             0              0          0       2,024,853.00    0       0
3/15106   0.068        1        0.3123246               0              0          0       2,024,853.00    0       0
4/15/06   0.068        1        0.31311674              0              0          0       2,024,853.00    0       0
5/15/06   0.068        1        0.313732546             0              0          0       2,024,853.00    0       0
6/15/06   0.068        1        0.314416444             0              0          0       2,024,853.00    0       0
7/15/06   0.068        1        0.315046465             0              0          0       2,024,853.00    0       0
8/15/06   0.068        1        0.315745042             0              0          0       2,024,853.00    0       0
9/15/06   0.068        1        0.316388865             0              0          0       2,024,853.00    0       0
<CAPTION>
                       SOP             EOP
   CASHFLOW          BALANCE         BALANCE
 -------------   --------------  --------------
  <C>           <C>              <C>
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
 2,024,853.00    357,327,000.00  357,327,000.00
</TABLE>
The information contained herein is privileged, confidential and intended for
use only by the addressee and shall not be republished without the express
approval of PaineWebber. The prices indicated reflect a bid side estimated
valuation unless otherwise indicated. No assurance can be given as to the
accuracy, appropriateness or the completeness of this information and the prices
indicated may differ from values provided by PaineWebber in other contexts.
Market indications in the subject securities may vary greatly among dealers.
Unless otherwise indicated, PaineWebber utilized its own methods for the
valuation which may not comport with your own designated models, criteria,
assumptions or regulatory requirements. The material is provided for information
purposes only and is not intended as an offer or solicitation to purchase or
sell the securities specified.

<PAGE>


<TABLE>
<CAPTION>
                       FACTOR                        SCHEDULED       PREPAID
DATE    COUPON         EOP             SUB           PRINCIPAL      PRINCIPAL     ACCRUAL       INTEREST     LOSS PREMIUM
- ----    --------- -----------    -------------    --------------  -------------   -------   ---------------  ----  ------   --
<S>       <C>    <C>           <C>               <C>             <C>           <C>           <C>            <C>    <C>
10/15/06  0.068             1     0.317039408                  0              0       0       2,024,853.00    0       0
11/15/06  0.068             1     0.317759184                  0              0       0       2,024,853.00    0       0
12/15/06  0.068             1     0.318424091                  0              0       0       2,024,853.00    0       0
1/15/07   0.068             1     0.319158735                  0              0       0       2,024,853.00    0       0
2/15/07   0.068             1     0.319838438                  0              0       0       2,024,853.00    0       0
3/15/07   0.068             1     0.32052536                   0              0       0       2,024,853.00    0       0
4/15/07   0.068             1     0.321409156                  0              0       0       2,024,853.00    0       0
5/15/07   0.068             1     0.328216299                  0              0       0       2,024,853.00    0       0
6/15/07   0.068             1     0.329009964                  0              0       0       2,024,853.00    0       0
7/15/07   0.068             1     0.329748739                  0              0       0       2,024,853.00    0       0
8/15/07   0.068             1     0.330563508                  0              0       0       2,024,853.00    0       0
9/15/07   0.068             1     0.331322236                  0              0       0       2,024,853.00    0       0
10/15/07  0.068             1     0.332089279                  0              0       0       2,024,853.00    0       0
11/15/07  0.068             1     0.332930164                  0              0       0       2,024,853.00    0       0
12/15/07  0.068             1     0.333714915                  0              0       0       2,024,853.00    0       0
1/15/08   0.068             1     0.334574128                  o              0       0       2,024,853.00    0       0
2/15/08   0.068             1     0.335377147                  0              0       0       2,024,853.00    0       0
3/15/08   0.068             1     0.336189139                  0              0       0       2,024,853.00    0       0
4/15/08   0.068             1     0.337142814                  0              0       0       2,024,853.00    0       0
5/15/08   0.068             1     0.337974668                  0              0       0       2,024,853.00    0       0
6/15/08   0.068             1     0.345651654                  0              0       0       2,024,853.00    0       0
7/15/08   0.068             1     0.346529351                  0              0       0       2,024,853.00    0       0
8/15/08   0.068             1     0.350257663                  0              0       0       2,024,853.00    0       0
9/15/08   0.068   0.997984566     0.351181287         720,169.03              0       0       2,024,853.00    0       0
10/15/08  0.068   0.9935589       0.352115668       1,581,409.74              0       0       2,020,772.04    0       0
11/15/08  0.068   0.988795395     0.35313025        1,702,129.22              0       0       2,011,810.72    0       0
12/15/08  0.068   0.983702473     0.354228835       1,819,838.40              0       0       2,002,165.32    0       0
1/15/09   0.068   0.978877486     0.355410979       1,724,098.20              0       0       1,991,852.90    0       0
2/15/09   0.068   0.97399881      0.356538232       1,743,282.76              0       0       1,982,083.01    0       0
3/15/09   0.068   0.968198927     0.357685322       2,072,454.84              0       0       1,972,204.41    0       0
4/15/09   0.068   0.963253558     0.359058649       1,767,113.70              0       0       1,960,460.50    0       0
5/15/09   0.068   0.950852933     0.360237997       4,431,078.16              0       0       1,950,446.86    0       0
6/15/09   0.068   0.919381307     0.36322959       11,245,661.66              0       0       1,925,337.41    0       0
7/15/09   0.068   0.914068626     0.371049846       1,898,364.36              0       0       1,861,612.00    0       0
8/15/09   0.068   0.90900842      0.372403314       1,808,148.17              0       0       1,850,854.60    0       0
9/15/09   0.068   0.90391673      0.373701674       1,819,398.52              0       0       1,840,608.43    0       0
10/15/09  0.068   0.898510788     0.375017282       1,931,688.72              0       0       1,830,298.50    0       0
11/15/09  0.068   0.893353834     0.376424264       1,842,719.12              0       0       1,819,352.27    0       0
12/15/09  0.068   0.887977137     0.377776318       1,921,238.94              0       0       1,808,910.19    0       0
1/15/10   0.068   0.838370577     0.379196365      17,725,763.13              0       0       1,798,023.17    0       0
2/15/10   0.068   0.833237547     0.392819745       1,834,170.37              0       0       1,697,577.18    0       0
3/15/10   0.068   0.804153139     0.394285517      10,392,644.38              0       0       1,687,183.55    0       0
4/15/10   0.068   0.79900113      0.402801813       1,840,951.64              0       0       1,628,291.90    0       0
5/15/10   0.068   0.792726796     0.404348892       2,241,989.12              0       0       1,617,859.84    0       0

<CAPTION>

                       SOP              EOP
     CASHFLOW        BALANCE           BALANCE
   -------------    --------------  ------------
   <C>           <C>              <C>
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357.327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,024,853.00    357,327,000.00  357,327,000.00
  2,745,022.03    357,327,000.00  356,606,830.97
  3,602,181.78    356,606,830.97  355,025,421.23
  3,713,939.94    355,025,421.23  353,323,292.01
  3,822,003.72    353,323,292.01  351,503,453.61
  3,715,951.10    351,503,453.61  349,779,355.41
  3,725,365.77    349,779,355.41  348,036,072.65
  4,044,659.25    348,036,072.65  345,963,617.81
  3,727,574.20    345,963,617.81  344,196,504.11
  6,381,525.02    344,196,504.11  339,765,425.95
 13,170,999.07    339,765,425.95  328,519,764.29
  3,759,976.36    328,519,764.29  326,621,399.93
  3,659,002.77    326,621,399.93  324,813,251.76
  3,660,006.95    324,813,251.76  322,993,853.24
  3,761,987.22    322,993,853.24  321,062,164.52
  3,662,071.39    321,062,164.52  319,219,445.40
  3,730,149.13    319,219,445.40  317,298,206.46
 19,523,786.30    317,298,206.46  299,572,443.33
  3,531,747.55    299,572,443.33  297,738,272.96
 12,079,827.93    297,738,272.96  287,345,628.58
  3,469,243.54    287,345,628.58  285,504,676.94
  3,859,848.96    285,504,676.94  283,262,687.82
</TABLE>


The information contained herein is privileged, confidential and intended for
use only by the addressee and shall not be republished without the express
approval of PaineWebber. The prices indicated reflect a bid side estimated
valuation unless otherwise indicated. No assurance can be given as to the
accuracy, appropriateness or the completeness of this information and the prices
indicated may differ from values provided by PaineWebber in other contexts.
Market indications in the subject securities may vary greatly among dealers.
Unless otherwise indicated, PaineWebber utilized its own methods for the
valuation which may not comport with your own designated models, criteria,
assumptions or regulatory requirements. The material is provided for information
purposes only and is not intended as an offer or solicitation to purchase or
sell the securities specified.

<PAGE>

<TABLE>
<CAPTION>
                     FACTOR                           SCHEDULED       PREPAID
DATE      COUPON      EOP             SUB             PRINCIPAL      PRINCIPAL     ACCRUAL      INTEREST      LOSS   PREMIUM
- ----      ------  -----------     -----------       -------------  -------------   -------    ------------    ----   ------
<S>      <C>     <C>             <C>               <C>             <C>           <C>           <C>            <C>    <C>
6/15/10   0.068   0.654428275     0.406249116       49,417,795.57        0            0       1,605,155.23      0       0
7/15/10   0.068   0.591562047     0.453193294       22,463,800.85        0            0       1,325,121.06      0       0
8/15/10   0.068   0.509720741     0.4783183         29,244,108.19        0            0       1,197,826.18      0       0
9/15/10   0.068   0.418128487     0.515525594       32,728,385.32        0            0       1,032,109.57      0       0
10/15/10  0.068   0.170063203     0.564684616       88,640,423.84        0            0         846,648.72      0       0
11/15/10  0.068   0.084083779     0.761299135       30,722,769.40        0            0         344,352.99      0       0
12/15/10  0.068   0.068602329     0.865782451        5,531,940.10        0            0         170,257.29      0       0
1/15/11   0.068   0.034880371     0.887719824       12,049,766.13        0            0         138,909.63      0       0
2/15/11   0.068   0.029358784     0.939577066        1,973,012.12        0            0          70,627.62      0       0
3/15/11   0.068   0.020073593     0.948650905        3,317,849.61        0            0          59,447.22      0       0
4/15/11   0.068             0     0.964311305        7,172,836.69        0            0          40,646.07      0       0


<CAPTION>
                      SOP              EOP
    CASHFLOW        BALANCE           BALANCE
 -------------   --------------  --------------
  <C>           <C>              <C>
 51,022,950.80   283,262,687.82   233,844,892.25
 23,788,921.91   233,844,892.25   211,381,091.40
 30,441,934.37   211,381,091.40   182,136,983.21
 33,760,494.89   182,136,983.21   149,408,597.89
 89,487,072.56   149,408,597.89    60,768,174.05
 31,067,122.39    60,768,174.05    30,045,404.65
  5,702,197.39    30,045,404.65    24,513,464.55
 12,188,675.76    24,513,464.55    12,463,698.42
  2,043,639.74    12,463,698.42    10,490,686.30
  3,377,296.83    10,490,686.30     7,172,836.69
  7,213,482.76     7,172,836.69                0
</TABLE>


The information contained herein is privileged, confidential and intended for
use only by the addressee and shall not be republished without the express
approval of PaineWebber. The prices indicated reflect a bid side estimated
valuation unless otherwise indicated. No assurance can be given as to the
accuracy, appropriateness or the completeness of this information and the prices
indicated may differ from values provided by PaineWebber in other contexts.
Market indications in the subject securities may vary greatly among dealers.
Unless otherwise indicated, PaineWebber utilized its own methods for the
valuation which may not comport with your own designated models, criteria,
assumptions or regulatory requirements. The material is provided for information
purposes only and is not intended as an offer or solicitation to purchase or
sell the securities specified.

<PAGE>

<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-MO    6-MO    1-YR    2-YR    5-YR    10-YR    30-YR
                                                                              ------------------------------------------------------
                                                                              4.61%   4.79%   4.83%   5.26%   5.48%  5.603%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.61%   4.79%   4.83%   5.26%   5.48%  5.603%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: B                                            DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>       <C>      <C>          <C>    <C>   <C>          <C>          <C>
Today:    5/18/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:       $0     Horizon:     5/21/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss: $61.11mm     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:     8.56     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:    6.015     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:               table
Cleanup(1%):           Yes     Default:   12:0%;3%,12m,40%
Premiums:              Yes     Extend:                  NA

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                         Deal PMAC 1999-C1 Bond B Rating: Aa2/AA
 PRICE       VALUE       PREPAYMENTS (9 BY 5)  Factor: 100% Coupon: 6.94% Position: $35,238,000  Accrued: $40,759 (6 DAYS)  Bench: c
by 0:08    & Change      -----------------------------------------------------------------------------------------------------------
                                0%                    25%                  50%                    75%                     100%
                              YIELD                  YIELD                YIELD                  YIELD                   YIELD
- ------------------------------------------------------------------------------------------------------------------------------------
100.13 1/2    -352,380         6.942%                6.942%               6.942%                 6.942%                 6.942%
100.21 1/2    -264,285         6.907%                6.906%               6.906%                 6.906%                 6.906%
100.29 1/2    -176,190         6.871%                6.871%               6.871%                 6.871%                 6.870%
101.05 1/2     -88,095         6.836%                6.836%               6.835%                 6.835%                 6.835%
101.13 1/2 $35,739,040         6.800%                6.800%               6.800%                 6.800%                 6.799%
101.21 1/2     +88,095         6.765%                6.765%               6.765%                 6.765%                 6.764%
101.29 1/2    +176,190         6.730%                6.730%               6.730%                 6.730%                 6.729%
102.05 1/2    +264,285         6.695%                6.695%               6.695%                 6.695%                 6.694%
102.13 1/2    +352,380         6.661%                6.660%               6.660%                 6.660%                 6.659%
SPREAD                         120.0b                120.0b               120.0b                 120.0b                 120.0b
RETURN                         6.768%                6.767%               6.767%                 6.767%                 6.766%
LIFE                            9.915                 9.908                9.899                  9.888                  9.856
DURATION                        6.995                 6.991                6.987                  6.981                  6.965
CONVEXITY                       0.629                 0.629                0.628                  0.627                  0.623
WINDOW                 Apr 09, May 09        Apr 09, May 09       Apr 09, May 09         Apr 09, May 09         Apr 09, Apr 09
LOSS                           0.000%                0.000%               0.000%                 0.000%                 0.000%
- ------------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                               (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>

<PAGE>


<TABLE>
                                                                              ------------------------------------------------------
                                                  PRICE YIELD                 TREASURY
CONQUEST. Ahead of the curve                                                  ------------------------------------------------------
617 227 0933                                                                  3-MO    6-MO    1-YR    2-YR    5-YR    10-YR    30-YR
                                                                              ------------------------------------------------------
                                                                              4.61%   4.79%   4.83%   5.26%   5.48%  5.603%    5.89%
                                                                              ------------------------------------------------------
                                                                              4.61%   4.79%   4.83%   5.26%   5.48%  5.603%    5.89%
                                                                              ------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
PMAC 1999-C1 (RED) Bond: A-2                                          DELINQUENCIES       POOL PROJECTIONS   TOTAL RETURN
- ------------------------------------------------------------------------------------------------------------------------------------
<S>       <C>           <C>         <C>           <C>       <C>      <C>          <C>    <C>   <C>          <C>          <C>
Today:    5/18/1999     Cutoff:     $704.76mm     Factor:   100%     Mo Adv:       0     Prem:       $0     Horizon:     5/21/2000
Settle:    6/7/1999     Past Loss:         0%     WAML:      119     1 Mo:        0%     Loss: $61.11mm     Reinv Mode:       rate
Cutoff:    6/1/1999     Special:           0%     WAMYM:     123     2-3 Mo:      0%     Price:     100     Reinv Rate:         0%
Tape:     6/15/1999     WACg:         7.4023%     WAMP:      124     4-6 Mo:      0%     Life:     8.56     Spread Move:        0b
Record:   6/30/1999     WACn:         7.2955%     WAMM:      127     >6 Mo:       0%     MDur:    6.015     Portfolio:          NA
Next:     7/15/1999     PRELIMINARY:
- ------------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------
SETTINGS                       MAIN (100% OF TOTAL)
- ----------------------------------------------------------
Mode:               Static     Refi:   Spread:0b;Excess:0%
Rates:   Shift:0b;Steep:0b     Growth:                  0%
Lock:        YM:lock;FP:NA     Prepay:               table
Cleanup(1%):           Yes     Default:   12:0%;3%,12m,40%
Premiums:              Yes     Extend:                  NA

- ----------------------------------------------------------

- ------------------------------------------------------------------------------------------------------------------------------------
                         PRICE YIELD                                                      Deal PMAC 1999-C1 Bond A-2 Rating: AAA/AAA
 PRICE       VALUE       PREPAYMENTS (9 BY 5) Factor: 100% Coupon: 6.8% Position: $357,327,000  Accrued: $404,971 (6 DAYS)  Bench: c
by 0:08    & Change      -----------------------------------------------------------------------------------------------------------
                                0%                    25%                  50%                    75%                     100%
                              YIELD                  YIELD                YIELD                  YIELD                   YIELD
- ------------------------------------------------------------------------------------------------------------------------------------
100:14    -3,573,270           6.791%                6.791%               6.790%                 6.790%                 6.789%
100:22    -2,679,953           6.753%                6.753%               6.753%                 6.752%                 6.751%
100:30    -1,786,635           6.715%                6.715%               6.715%                 6.715%                 6.713%
101:06      -893,318           6.678%                6.678%               6.677%                 6.677%                 6.675%
101:14  $362,463,576           6.640%                6.640%               6.640%                 6.639%                 6.637%
101:22      +893,318           6.603%                6.603%               6.602%                 6.602%                 6.599%
101:30    +1,786,635           6.566%                6.566%               6.565%                 6.565%                 6.561%
102:06    +2,679,953           6.529%                6.529%               6.528%                 6.527%                 6.524%
102:14    +3,573,270           6.492%                6.492%               6.491%                 6.490%                 6.486%
SPREAD                         106.0b                106.1b               106.1b                 106.1b                 106.1b
RETURN                         6.605%                6.605%               6.604%                 6.603%                 6.599%
LIFE                            9.067                 9.047                9.025                  8.999                  8.876
DURATION                        6.598                 6.587                6.576                  6.562                  6.496
CONVEXITY                       0.554                 0.552                0.550                  0.548                  0.536
WINDOW                 May 06, Apr 09        May 06, Apr 09       May 06, Apr 09         May 06, Apr 09         Apr 06, Apr 09
LOSS                           0.000%                0.000%               0.000%                 0.000%                 0.000%
- ------------------------------------------------------------------------------------------------------------------------------------
Other Assumptions:                                               (c) Copyright 1996-1999 Charter Research Corp. ALL RIGHTS RESERVED.
none

The information contained herein is privileged, confidential and intended for use only by the addressee and shall not be republished
without the express approval of PaineWebber. The prices indicated reflect a bid side estimated valuation unless otherwise indicated.
No assurance can be given as to the accuracy, appropriateness or the completeness of this information and the prices indicated may
differ from values provided by PaineWebber in other contexts. Market indications in the subject securities may vary greatly among
dealers. Unless otherwise indicated, PaineWebber utilized its own methods for the valuation which may not comport with your own
designated models, criteria, assumptions or regulatory requirements. The material is provided for information purposes only and is
not intended as an offer or solicitation to purchase or sell the securities specified.
</TABLE>


<PAGE>


                                  PMAC 1999-C1

                           CLASS X - PRICING SCENARIO


10 ANALYSIS - TABLE OF CONTENTS

1       "A" SCENARIO - BASE TREASURIES
          0 CPR during LO & YM then at indicated CPR
          speeds: 0, 25, 50, 75, 100

2       "AFTER LO" SCENARIO - BASE TREASURIES
          0 CPR during LO then at indicated CPR
          speeds: 0, 25, 50, 75, 100

3       "AFTER LO" SCENARIO - BASE TREASURIES + 200 BP
          0 CPR during LO then at indicated CPR
          speeds: 0, 25, 50, 75, 100

4       "C" SCENARIO - BASE TREASURIES
          0 CPR during LO, 5% CPR during YM then at indicated CPR
          speeds: 0, 25, 50, 75, 100

5       "C" SCENARIO - BASE TREASURIES + 200 BP
          0 CPR during LO, 5% CPR during YM then at indicated CPR
          speeds: 0, 25, 50, 75, 100


Note:
- -----
  LO = Lockout
  YM = Yield Maintenance


THESE COMPUTATIONAL MATERIALS HAVE BEEN BASED UPON THE ASSUMPTIONS DESCRIBED
ABOVE. THESE ASSUMPTIONS WILL MOST LIKELY NOT REPRESENT THE ACTUAL EXPERIENCE OF
THE LOANS IN THE FUTURE. THE COMPUTATIONAL MATERIALS ARE INTENDED TO ILLUSTRATE
VARIATIONS IN YIELD ON THE OFFERED CERTIFICATES (REFERRED TO IN THE MEMORANDUM)
UNDER SUCH ASSUMPTIONS. NO REPRESENTATION IS MADE HEREIN AS TO THE ACTUAL RATE
OR TIMING OF PRINCIPAL PAYMENTS OR PREPAYMENTS ON ANY OF THE UNDERLYING LOANS IN
THE POOL OR THE ACTUAL PERFORMANCE CHARACTERISTICS OF THE OFFERED CERTIFICATES.



<PAGE>

May 17 21:16 1999 Page 1

Deal Name: pmac0517c
1 "A" Scenario - base treasuries


                                  PMAC 1999-C1
                           CLASS X - PRICING SCENARIO

                               MERRILL LYNCH & CO

                             CLASS I0 - PRICE = 4-10

                                  MORTGAGE BALANCE..............: $704,764,604
                                CLASS NOT. BALANCE..............: $704,764,604
                                          PROCEEDS..............:  $30,465,360
                                 CREDIT SUPPORT(%)..............:         0.0%
                                 CREDIT SUPPORT($)..............:           $0
                              MONTH DEFAULTS BEGIN..............:           13
                                MONTH DEFAULTS END..............:          360
                                MONTHS TO RECOVERY..............:            0
                                 SERVICER ADVANCES..............:        P & I
                                         LOSS MODE..............:       P only
                                   SETTLEMENT DATE..............:   06/07/1999


<TABLE>
<CAPTION>
        ------------------------------------------------------ PREPAYMENTS --------------------------------------------------------
               0 CPR (Base)               25 CPR                  50 CPR                   75 CPR                 100 CPR
        ------- 0%/LOANS ------  ------- 0%/LOANS ------- ------- 0%/LOANS -------  ------ 0%/LOANS ------- ------ 0%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD WAL SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
<S>  <C> <C>    <C>   <C>   <C>   <C>    <C>   <C>    <C>   <C>   <C>   <C>    <C>  <C>   <C>   <C>   <C>   <C>   <C>   <C>   <C>
0 CDR 0  0.00   9.37  9.207 379   0.00   9.36  9.153  378   0.00  9.34  9.115  376   0.00  9.31  9.083 373   0.00  9.10  8.975  352
     25  0.00   9.37  9.207 379   0.00   9.36  9.153  378   0.00  9.34  9.115  376   0.00  9.31  9.083 373   0.00  9.10  8.975  352
     50  0.00   9.37  9.207 379   0.00   9.36  9.153  378   0.00  9.34  9.115  376   0.00  9.31  9.083 373   0.00  9.10  8.975  352

        ------- 8%/LOANS ------  ------- 8%/LOANS ------- ------- 8%/LOANS -------  ------ 8%/LOANS ------- ------ 8%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
1 CDR 0  0.00   8.41  8.836 283   0.00   8.40  8.784  282   0.00  8.38  8.748  281   0.00  8.35  8.718 278   0.00  8.16  8.617  259
     25  1.97   8.18  8.836 260   1.96   8.l7  8.784  259   1.95  8.15  8.748  258   1.94  8.12  8.718 255   1.92  7.92  8.617  235
     50  3.94   7.91  8.836 233   3.92   7.90  8.784  232   3.90  7.88  8.748  230   3.88  7.85  8.718 228   3.83  7.65  8.617  208

        ------ 15%/LOANS ------  ------ 15%/LOANS ------- ------ 15%/LOANS -------  ----- 15%/LOANS ------- ----- 15%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
2 CDR 0  0.00   7.48  8.486 191   0.00   7.47  8.436  190   0.00  7.45  8.402  189   0.00  7.42  8.374 186   0.00  7.22  8.280  166
     25  3.78   6.97  8.486 140   3.76   6.97  8.436  140   3.74  6.95  8.402  138   3.73  6.92  8.374 136   3.68  6.73  8.280  117
     50  7.56   6.21  8.486  65   7.51   6.21  8.436   65   7.48  6.20  8.402   63   7.45  6.17  8.374  61   7.36  5.98  8.280   42

        ------ 22%/LOANS ------  ------ 22%/LOANS ------- ------ 22%/LOANS -------  ----- 21%/LOANS ------- ----- 21%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
3 CDR 0  0.00   6.59  8.158  102   0.00   6.58  8.110  102   0.00  6.57 8.078  101   0.00  6.54 8.052   98   0.00  6.34  7.965   78
     25  5.45   5.75  8.158   19   5.41   5.75  8.110   19   5.39  5.74 8.078   18   5.37  5.71 8.052   15   5.30  5.53  7.965   (2)
     50 10.89   3.97  8.158 (158) 10.82   3.99  8.110 (156) 10.77  3.99 8.078 (156) 10.73  3.97 8.052 (158) 10.60  3.78  7.965 (176)
</TABLE>

                                          Treasury Curve
<TABLE>
<CAPTION>
           3mo       6mo       lyr       2yr       3yr      4yr       5yr       7yr       10yr      30yr
<S>      <C>       <C>       <C>        <C>      <C>      <C>        <C>      <C>        <C>       <C>
Price:    4-157     4-177     4-192     99-165    -1-00    -1-00     98-312    -1-00     93-255    91-016
Yield:   4.6100    4.7300    4.8300     5.2600   5.3333   5.4067     5.4800   5.5280     5.6000    5.8900
</TABLE>


THESE COMPUTATIONAL MATERIALS HAVE BEEN BASED UPON THE ASSUMPTIONS DESCRIBED
ABOVE. THESE ASSUMPTIONS WILL MOST LIKELY NOT REPRESENT THE ACTUAL EXPERIENCE OF
THE LOANS IN THE FUTURE. THE COMPUTATIONAL MATERIALS ARE INTENDED TO ILLUSTRATE
VARIATIONS IN YIELD ON THE OFFERED CERTIFICATES (REFERRED TO IN THE MEMORANDUM)
UNDER SUCH ASSUMPTIONS. NO REPRESENTATION IS MADE HEREIN AS TO THE ACTUAL RATE
OR TIMING OF PRINCIPAL PAYMENTS OR PREPAYMENTS ON ANY OF THE UNDERLYING LOANS IN
THE POOL OR THE ACTUAL PERFORMANCE CHARACTERISTICS OF THE OFFERED CERTIFICATES.


"A" SCENARIO - BASE TREASURIES
0 CPR DURING LO & YM THEN AT INDICATED CPR

                                       1
<PAGE>

May 17 21:17 1999 Page 1

Deal Name: pmac0517c
2 "After LO" Scenario - base treasuries


                                  PMAC 1999-C1
                           CLASS X - PRICING SCENARIO

                               MERRILL LYNCH & CO

                             CLASS I0 - PRICE = 4-10

                                  MORTGAGE BALANCE..............: $704,764,604
                                CLASS NOT. BALANCE..............: $704,764,604
                                          PROCEEDS..............:  $30,465,360
                                 CREDIT SUPPORT(%)..............:         0.0%
                                 CREDIT SUPPORT($)..............:           $0
                              MONTH DEFAULTS BEGIN..............:           13
                                MONTH DEFAULTS END..............:          360
                                MONTHS TO RECOVERY..............:            0
                                 SERVICER ADVANCES..............:        P & I
                                         LOSS MODE..............:       P only
                                   SETTLEMENT DATE..............:   06/07/1999


<TABLE>
<CAPTION>
        ------------------------------------------------------ PREPAYMENTS ---------------------------------------------------------
               0 CPR (Base)               25 CPR                  50 CPR                    75 CPR                 100 CPR
        ------- 0%/LOANS ------  ------- 0%/LOANS ------- ------- 0%/LOANS -------  ------ 0%/LOANS ------- ------ 0%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
<S>  <C> <C>    <C>   <C>   <C>   <C>    <C>   <C>    <C>   <C>   <C>   <C>    <C>   <C>    <C>   <C>   <C>   <C>   <C>   <C>   <C>
0 CDR 0  0.00   9.37  9.207 379   0.00   9.46  8.995  388   0.00  9.50  8.882  392   0.00   9.50  8.813 392   0.00  9.35  8.672 377
     25  0.00   9.37  9.207 379   0.00   9.46  8.995  388   0.00  9.50  8.882  392   0.00   9.50  8.813 392   0.00  9.35  8.672 377
     50  0.00   9.37  9.207 379   0.00   9.46  8.995  388   0.00  9.50  8.882  392   0.00   9.50  8.813 392   0.00  9.35  8.672 377

        ------- 8%/LOANS ------  ------- 8%/LOANS ------- ------- 8%/LOANS -------  ------ 8%/LOANS ------- ------ 7%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
1 CDR 0  0.00   8.41  8.836 283   0.00   8.53  8.634  296   0.00  8.58  8.527  301   0.00   8.59  8.461 303   0.00  8.45  8.329 288
     25  1.97   8.18  8.836 260   1.92   8.30  8.634  273   1.89  8.35  8.527  278   1.88   8.36  8.461 279   1.85  8.21  8.329 264
     50  3.94   7.91  8.836 233   3.84   8.02  8.634  245   3.79  8.07  8.527  250   3.75   8.08  8.461 251   3.69  7.93  8.329 237

        ------ 15%/LOANS ------  ------ 15%/LOANS ------- ------ 15%/LOANS -------  ----- 14%/LOANS ------- ----- 14%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
2 CDR 0  0.00   7.48  8.486 191   0.00   7.62  8.294  205   0.00  7.68  8.192  212   0.00   7.71  8.128 215   0.00  7.58  8.004 202
     25  3.78   6.97  8.486 140   3.69   7.11  8.294  155   3.64  7.18  8.192  162   3.60   7.20  8.128 164   3.54  7.07  8.004 151
     50  7.56   6.21  8.486  65   7.37   6.37  8.294   81   7.27  6.44  8.192   88   7.21   6.46  8.128  90   7.09  6.32  8.004  77


        ------ 22%/LOANS ------  ------ 21%/LOANS ------- ------ 21%/LOANS -------  ----- 21%/LOANS ------- ----- 20%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
3 CDR 0  0.00  6.59  8.158  102   0.00   6.73  7.976  117   0.00  6.80  7.879  125   0.00  6.83  7.818  128   0.00  6.75  7.701 120
     25  5.45  5.75  8.158   19   5.31   5.91  7.976   36   5.24  5.99  7.879   44   5.19  6.03  7.818   48   5.11  5.93  7.701  38
     50 10.89  3.97  8.158 (158) 10.62   4.22  7.976 (132) 10.47  4.34  7.879 (120) 10.38  4.39  7.818 (115) 10.21  4.28  7.701(126)
</TABLE>

                                          Treasury Curve
<TABLE>
<CAPTION>
           3mo       6mo       lyr       2yr       3yr      4yr       5yr       7yr       10yr      30yr
<S>      <C>       <C>       <C>        <C>      <C>      <C>        <C>      <C>        <C>       <C>
Price:    4-157     4-177     4-192     99-165    -1-00    -1-00     98-312    -1-00     93-255    91-016
Yield:   4.6100    4.7300    4.8300     5.2600   5.3333   5.4067     5.4800   5.5280     5.6000    5.8900
</TABLE>


THESE COMPUTATIONAL MATERIALS HAVE BEEN BASED UPON THE ASSUMPTIONS DESCRIBED
ABOVE. THESE ASSUMPTIONS WILL MOST LIKELY NOT REPRESENT THE ACTUAL EXPERIENCE OF
THE LOANS IN THE FUTURE. THE COMPUTATIONAL MATERIALS ARE INTENDED TO ILLUSTRATE
VARIATIONS IN YIELD ON THE OFFERED CERTIFICATES (REFERRED TO IN THE MEMORANDUM)
UNDER SUCH ASSUMPTIONS. NO REPRESENTATION IS MADE HEREIN AS TO THE ACTUAL RATE
OR TIMING OF PRINCIPAL PAYMENTS OR PREPAYMENTS ON ANY OF THE UNDERLYING LOANS IN
THE POOL OR THE ACTUAL PERFORMANCE CHARACTERISTICS OF THE OFFERED CERTIFICATES.


"AFTER LO" SCENARIO - BASE TREASURIES
0 CPR DURING THEN AT INDICATED CPR

                                       2

<PAGE>


May 17 21:17 1999 Page 1

Deal Name: pmac0517c
3 "After LO" Scenario - base treasuries + 200 bp


                                  PMAC 1999-C1
                           CLASS X - PRICING SCENARIO

                               MERRILL LYNCH & CO

                             CLASS I0 - PRICE = 4-10

                                  MORTGAGE BALANCE..............: $704,764,604
                                CLASS NOT. BALANCE..............: $704,764,604
                                          PROCEEDS..............:  $30,465,360
                                 CREDIT SUPPORT(%)..............:         0.0%
                                 CREDIT SUPPORT($)..............:           $0
                              MONTH DEFAULTS BEGIN..............:           13
                                MONTH DEFAULTS END..............:          360
                                MONTHS TO RECOVERY..............:            0
                                 SERVICER ADVANCES..............:        P & I
                                         LOSS MODE..............:       P only
                                   SETTLEMENT DATE..............:   06/07/1999


<TABLE>
<CAPTION>
        ------------------------------------------------------ PREPAYMENTS ---------------------------------------------------------
               0 CPR (Base)               25 CPR                  50 CPR                    75 CPR                 100 CPR
        ------- 0%/LOANS ------  ------- 0%/LOANS ------- ------- 0%/LOANS -------  ------ 0%/LOANS ------- ------ 0%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
<S>  <C> <C>   <C>   <C>  <C>   <C>    <C>    <C>   <C>   <C>    <C>   <C>   <C>   <C>    <C>    <C>  <C>  <C>     <C>   <C>   <C>
0 CDR 0  0.00  9.37  9.207  179   0.00  9.13  8.995  155   0.00  8.98  8.882  140   0.00  8.86  8.813  128   0.00  8.55  8.672   98
     25  0.00  9.37  9.207  179   0.00  9.13  8.995  155   0.00  8.98  8.882  140   0.00  8.86  8.813  128   0.00  8.55  8.672   98
     50  0.00  9.37  9.207  179   0.00  9.13  8.995  155   0.00  8.98  8.882  140   0.00  8.86  8.813  128   0.00  8.55  8.672   98

        ------- 8%/LOANS ------  ------- 8%/LOANS ------- ------- 8%/LOANS -------  ------ 8%/LOANS ------- ------ 7%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL  SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
1 CDR 0  0.00  8.41  8.836   83   0.00  8.21  8.634   64   0.00  8.07  8.527   50   0.00  7.95  8.461   38   0.00  7.65  8.329    8
     25  1.97  8.18  8.836   60   1.92  7.97  8.634   40   1.89  7.83  8.527   26   1.88  7.71  8.461   14   1.85  7.41  8.329  (15)
     50  3.94  7.91  8.836   33   3.84  7.69  8.634   12   3.79  7.54  8.527   (2)  3.75  7.42  8.461  (14)  3.69  7.12  8.329  (43)

        ------ 15%/LOANS ------  ------ 15%/LOANS ------- ------ 15%/LOANS -------  ----- 14%/LOANS ------- ----- 14%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL  SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
2 CDR 0  0.00  7.48  8.486   (8)  0.00  7.32  8.294  (24)  0.00  7.19  8.192  (36)  0.00  7.09  8.128  (46)  0.00  6.78  8.004  (76)
     25  3.78  6.97  8.486  (59)  3.69  6.79  8.294  (76)  3.64  6.66  8.192  (89)  3.60  6.55  8.128 (100)  3.54  6.25  8.004 (129)
     50  7.56  6.21  8.486 (134)  7.37  6.03  8.294 (152)  7.27  5.90  8.192 (165)  7.21  5.78  8.128 (177)  7.09  5.49  8.004 (206)

        ------ 22%/LOANS ------  ------ 21%/LOANS ------- ------ 21%/LOANS -------  ----- 21%/LOANS ------- ----- 20%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL  SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
3 CDR 0  0.00  6.59  8.158  (97)  0.00  6.45  7.976 (109)  0.00  6.35  7.879 (119)  0.00  6.25  7.818 (129)  0.00  5.96  7.701 (158)
     25  5.45  5.75  8.158 (180)  5.31  5.61  7.976 (194)  5.24  5.50  7.879 (205)  5.19  5.40  7.818 (214)  5.11  5.11  7.701 (243)
     50 10.89  3.97  8.158 (358) 10.62  3.86  7.976 (369) 10.47  3.76  7.879 (379) 10.38  3.66  7.818 (388) 10.21  3.38  7.701 (416)
</TABLE>

                                          Treasury Curve
<TABLE>
<CAPTION>
           3mo       6mo       1yr       2yr       3yr      4yr       5yr       7yr       10yr      30yr
<S>      <C>       <C>       <C>        <C>      <C>      <C>        <C>      <C>        <C>       <C>
Price:    6-132     6-13+     6-133     95-295    -1-00    -1-00     90-255    -1-00     80-30+    69-277
Yield:   6.6100    6.7300    6.8300     7.2600   7.3333   7.4067     7.4800   7.5280     7.6000    7.8900
</TABLE>


THESE COMPUTATIONAL MATERIALS HAVE BEEN BASED UPON THE ASSUMPTIONS DESCRIBED
ABOVE. THESE ASSUMPTIONS WILL MOST LIKELY NOT REPRESENT THE ACTUAL EXPERIENCE OF
THE LOANS IN THE FUTURE. THE COMPUTATIONAL MATERIALS ARE INTENDED TO ILLUSTRATE
VARIATIONS IN YIELD ON THE OFFERED CERTIFICATES (REFERRED TO IN THE MEMORANDUM)
UNDER SUCH ASSUMPTIONS. NO REPRESENTATION IS MADE HEREIN AS TO THE ACTUAL RATE
OR TIMING OF PRINCIPAL PAYMENTS OR PREPAYMENTS ON ANY OF THE UNDERLYING LOANS IN
THE POOL OR THE ACTUAL PERFORMANCE CHARACTERISTICS OF THE OFFERED CERTIFICATES.


"AFTER LO" SCENARIO - BASE TREASURIES + 200 bp
0 CPR DURING LO THEN AT INDICATED CPR

                                       3

<PAGE>

May 17 21:17 1999 Page 1

Deal Name: pmac0517c
4 "C" Scenario - base treasuries


                                  PMAC 1999-C1
                           CLASS X - PRICING SCENARIO

                               MERRILL LYNCH & CO

                             CLASS I0 - PRICE = 4-10

                                  MORTGAGE BALANCE..............: $704,764,604
                                CLASS NOT. BALANCE..............: $704,764,604
                                          PROCEEDS..............:  $30,465,360
                                 CREDIT SUPPORT(%)..............:         0.0%
                                 CREDIT SUPPORT($)..............:           $0
                              MONTH DEFAULTS BEGIN..............:           13
                                MONTH DEFAULTS END..............:          360
                                MONTHS TO RECOVERY..............:            0
                                 SERVICER ADVANCES..............:        P & I
                                         LOSS MODE..............:       P only
                                   SETTLEMENT DATE..............:   06/07/1999


<TABLE>
<CAPTION>
        ------------------------------------------------------ PREPAYMENTS ---------------------------------------------------------
               0 CPR (Base)               25 CPR                  50 CPR                    75 CPR                 100 CPR
        ------- 0%/LOANS ------  ------- 0%/LOANS ------- ------- 0%/LOANS -------  ------ 0%/LOANS ------- ------ 0%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
<S>  <C> <C>   <C>   <C>  <C>   <C>    <C>    <C>   <C>   <C>    <C>   <C>   <C>   <C>    <C>    <C>  <C>  <C>     <C>   <C>   <C>
0 CDR 0  0.00  9.37  9.207  379   0.00  9.39  9.111  380   0.00  9.37  9.073  378   0.00  9.34  9.042  375   0.00  9.13  8.935  355
     25  0.00  9.37  9.207  379   0.00  9.39  9.111  380   0.00  9.37  9.073  378   0.00  9.34  9.042  375   0.00  9.13  8.935  355
     50  0.00  9.37  9.207  379   0.00  9.39  9.111  380   0.00  9.37  9.073  378   0.00  9.34  9.042  375   0.00  9.13  8.935  355

        ------- 8%/LOANS ------  ------- 8%/LOANS ------- ------- 8%/LOANS -------  ------ 8%/LOANS ------- ------ 8%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL  SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
1 CDR 0  0.00  8.41  8.836  283   0.00  8.43  8.744  286   0.00  8.42  8.709  284   0.00  8.39  8.679  282   0.00  8.19  8.580  262
     25  1.97  8.18  8.836  260   1.95  8.20  8.744  263   1.94  8.19  8.709  261   1.93  8.16  8.679  258   1.91  7.96  8.580  239
     50  3.94  7.91  8.836  233   3.90  7.93  8.744  235   3.88  7.91  8.709  234   3.86  7.88  8.679  231   3.81  7.69  8.580  212

        ------ 15%/LOANS ------  ------ 15%/LOANS ------- ------ 15%/LOANS -------  ----- 15%/LOANS ------- ----- 15%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL  SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
2 CDR 0  0.00  7.48  8.486  191   0.00  7.51  8.398  194   0.00  7.49  8.364  193   0.00  7.46  8.336  190   0.00  7.26  8.244  170
     25  3.78  6.97  8.486  140   3.74  7.00  8.398  144   3.72  6.99  8.364  142   3.71  6.96  8.336  140   3.66  6.77  8.244  121
     50  7.56  6.21  8.486   65   7.48  6.25  8.398   69   7.44  6.24  8.364   68   7.41  6.22  8.336   65   7.32  6.03  8.244   47

        ------ 22%/LOANS ------  ------ 22%/LOANS ------- ------ 21%/LOANS -------  ----- 21%/LOANS ------- ----- 21%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL  SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
3 CDR 0  0.00  6.59  8.158  102   0.00  6.62  8.075  106   0.00  6.60  8.043  105   0.00  6.57  8.016  102   0.00  6.38  7.931   82
     25  5.45  5.75  8.158   19   5.38  5.79  8.075   23   5.36  5.78  8.043   22   5.34  5.75  8.016   20   5.28  5.57  7.931    1
     50 10.89  3.97  8.158 (158) 10.77  4.05  8.075 (150) 10.72  4.05  8.043 (150) 10.68  4.03  8.016 (152) 10.55  3.85  7.931 (170)
</TABLE>

                                          Treasury Curve
<TABLE>
<CAPTION>
           3mo       6mo       1yr       2yr       3yr      4yr       5yr       7yr       10yr      30yr
<S>      <C>       <C>       <C>        <C>      <C>      <C>        <C>      <C>        <C>       <C>
Price:    4-157     4-177     4-192     99-165    -1-00    -1-00     98-312    -1-00     93-255    91-016
Yield:   4.6100    4.7300    4.8300     5.2600   5.3333   5.4067     5.4800   5.5280     5.6000    5.8900
</TABLE>


THESE COMPUTATIONAL MATERIALS HAVE BEEN BASED UPON THE ASSUMPTIONS DESCRIBED
ABOVE. THESE ASSUMPTIONS WILL MOST LIKELY NOT REPRESENT THE ACTUAL EXPERIENCE OF
THE LOANS IN THE FUTURE. THE COMPUTATIONAL MATERIALS ARE INTENDED TO ILLUSTRATE
VARIATIONS IN YIELD ON THE OFFERED CERTIFICATES (REFERRED TO IN THE MEMORANDUM)
UNDER SUCH ASSUMPTIONS. NO REPRESENTATION IS MADE HEREIN AS TO THE ACTUAL RATE
OR TIMING OF PRINCIPAL PAYMENTS OR PREPAYMENTS ON ANY OF THE UNDERLYING LOANS IN
THE POOL OR THE ACTUAL PERFORMANCE CHARACTERISTICS OF THE OFFERED CERTIFICATES.


"C" SCENARIO - BASE TREASURIES
0 CPR DURING LO, 5% CPR DURING YM THEN AT INDICATED CPR

                                       4

<PAGE>


May 17 21:17 1999 Page 1

Deal Name: pmac0517c
5 "C" Scenario - base treasuries + 200 bp


                                  PMAC 1999-C1
                           CLASS X - PRICING SCENARIO

                               MERRILL LYNCH & CO

                             CLASS I0 - PRICE = 4-10

                                  MORTGAGE BALANCE..............: $704,764,604
                                CLASS NOT. BALANCE..............: $704,764,604
                                          PROCEEDS..............:  $30,465,360
                                 CREDIT SUPPORT(%)..............:         0.0%
                                 CREDIT SUPPORT($)..............:           $0
                              MONTH DEFAULTS BEGIN..............:           13
                                MONTH DEFAULTS END..............:          360
                                MONTHS TO RECOVERY..............:            0
                                 SERVICER ADVANCES..............:        P & I
                                         LOSS MODE..............:       P only
                                   SETTLEMENT DATE..............:   06/07/1999


<TABLE>
<CAPTION>
        ------------------------------------------------------ PREPAYMENTS ---------------------------------------------------------
               0 CPR (Base)               25 CPR                  50 CPR                    75 CPR                 100 CPR
        ------- 0%/LOANS ------  ------- 0%/LOANS ------- ------- 0%/LOANS -------  ------ 0%/LOANS ------- ------ 0%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
<S>  <C> <C>   <C>   <C>  <C>   <C>    <C>    <C>   <C>   <C>    <C>   <C>   <C>   <C>    <C>    <C>  <C>  <C>     <C>   <C>   <C>
0 CDR 0  0.00  9.37  9.207  179   0.00  9.30  9.111  172   0.00  9.29  9.073  170   0.00  9.25  9.042  167   0.00  9.05  8.935  147
     25  0.00  9.37  9.207  179   0.00  9.30  9.111  172   0.00  9.29  9.073  170   0.00  9.25  9.042  167   0.00  9.05  8.935  147
     50  0.00  9.37  9.207  179   0.00  9.30  9.111  172   0.00  9.29  9.073  170   0.00  9.25  9.042  167   0.00  9.05  8.935  147

        ------- 8%/LOANS ------  ------- 8%/LOANS ------- ------- 8%/LOANS -------  ------ 8%/LOANS ------- ------ 8%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL  SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
1 CDR 0  0.00  8.41  8.836   83   0.00  8.35  8.744   78   0.00  8.34  8.709   76   0.00  8.31  8.679   74   0.00  8.11  8.580   54
     25  1.97  8.18  8.836   60   1.95  8.12  8.744   55   1.94  8.10  8.709   53   1.93  8.08  8.679   50   1.91  7.88  8.580   31
     50  3.94  7.91  8.836   33   3.90  7.84  8.744   27   3.88  7.83  8.709   25   3.86  7.80  8.679   22   3.81  7.60  8.580    3

        ------ 15%/LOANS ------  ------ 15%/LOANS ------- ------ 15%/LOANS -------  ----- 15%/LOANS ------- ----- 15%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL  SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
2 CDR 0  0.00  7.48  8.486   (8)  0.00  7.43  8.398  (12)  0.00  7.42  8.364  (14)  0.00  7.39  8.336  (17)  0.00  7.19  8.244  (37)
     25  3.78  6.97  8.486  (59)  3.74  6.92  8.398  (63)  3.72  6.91  8.364  (65)  3.71  6.88  8.336  (67)  3.66  6.69  8.244  (86)
     50  7.56  6.21  8.486 (134)  7.48  6.17  8.398 (139)  7.44  6.16  8.364 (140)  7.41  6.13  8.336 (142)  7.32  5.94  8.244 (161)

        ------ 22%/LOANS ------  ------ 22%/LOANS ------- ------ 22%/LOANS -------  ----- 22%/LOANS ------- ----- 22%/LOANS --------
     LS C.LOSS% YIELD  WAL SPRD  C.LOSS% YIELD  WAL  SPRD C.LOSS% YIELD  WAL  SPRD  C.LOSS% YIELD  WAL SPRD C.LOSS% YIELD  WAL  SPRD
- ------- -----------------------  ------------------------ ------------------------  ----------------------- ------------------------
3 CDR 0  0.00  6.59  8.158  (97)  0.00  6.55  8.075 (100)  0.00  6.54  8.043 (101)  0.00  6.51  8.016 (104)  0.00  6.31  7.931 (123)
     25  5.45  5.75  8.158 (180)  5.38  5.72  8.075 (183)  5.36  5.70  8.043 (184)  5.34  5.68  8.016 (187)  5.28  5.49  7.931 (205)
     50 10.89  3.97  8.158 (358) 10.77  3.96  8.075 (359) 10.72  3.96  8.043 (359) 10.68  3.94  8.016 (361) 10.55  3.75  7.931 (379)
</TABLE>

                                          Treasury Curve
<TABLE>
<CAPTION>
           3mo       6mo       1yr       2yr       3yr      4yr       5yr       7yr       10yr      30yr
<S>      <C>       <C>       <C>        <C>      <C>      <C>        <C>      <C>        <C>       <C>
Price:    6-132     6-13+     6-133     95-295    -1-00    -1-00     90-255    -1-00     80-30+    69-277
Yield:   6.6100    6.7300    6.8300     7.2600   7.3333   7.4067     7.4800   7.5280     7.6000    7.8900
</TABLE>


THESE COMPUTATIONAL MATERIALS HAVE BEEN BASED UPON THE ASSUMPTIONS DESCRIBED
ABOVE. THESE ASSUMPTIONS WILL MOST LIKELY NOT REPRESENT THE ACTUAL EXPERIENCE OF
THE LOANS IN THE FUTURE. THE COMPUTATIONAL MATERIALS ARE INTENDED TO ILLUSTRATE
VARIATIONS IN YIELD ON THE OFFERED CERTIFICATES (REFERRED TO IN THE MEMORANDUM)
UNDER SUCH ASSUMPTIONS. NO REPRESENTATION IS MADE HEREIN AS TO THE ACTUAL RATE
OR TIMING OF PRINCIPAL PAYMENTS OR PREPAYMENTS ON ANY OF THE UNDERLYING LOANS IN
THE POOL OR THE ACTUAL PERFORMANCE CHARACTERISTICS OF THE OFFERED CERTIFICATES.


"C" SCENARIO - BASE TREASURIES + 200 bp
0 CPR DURING LO, 5% CPR DURING YM THEN AT INDICATED CPR

                                       5
<PAGE>

                                  PMAC 1999-C1
                                    CLASS A1
                                   May 18,1999

<TABLE>
<CAPTION>
SCENARIO    YIELD CURVE    PREPAY                     DEFAULT       PRICE    YIELD    SPREAD    WAL     DURATION      WINDOW
<S>         <C>            <C>                       <C>           <C>      <C>      <C>      <C>       <C>      <C>
  1A           Base        0 CPR                      0 CDR         100-16    6.34      85      5.3       4.3     07/99 to 12/07
  1B           +200        0 CPR                      0 CDR         92-12+    8.34      85      5.3       4.1     07/99 to 12/07
  1C           -200        0 CPR                      0 CDR         109-21    4.34      85      5.3       4.4     07/99 to 12/07

  2A           Base        100 CPR after LO           0 CDR         100-16    6.65      127     3.7       3.1     07/99 to 06/06
  2B           +200        100 CPR after LO           0 CDR         92-12+    9.07      169     3.7       3.0     07/99 to 06/06
  2C           -200        100 CPR after LO           0 CDR         109-21    4.57      118     3.7       3.2     07/99 to 06/06
  2D           -200        100 CPR after LO           0 CDR         109-11+   4.65      127     3.7       3.2     07/99 to 06/06
  2E           -200        100 CPR after LO           0 CDR         110-14+   4.34      96      3.7       3.2     07/99 to 06/06

  3            Base        Extend 3 yrs at
                             balloon                  0 CDR         100-16    6.36      85      6.0       4.7     07/99 to 05/09

  4            Base        Extend all remaining       25 CDR,       100-16    6.17      88      2.4       2.2     07/99 to 08/02
                             balloon loans by 3       24 mtr,
                             yrs at balloon date      35% loss,
                                                      P&I
                                                      advanced

  5A           +200        YM loans 10 CPR beg        0 CDR         92-12+    8.39      90      5.2       4.0     07/99 to 06/07
                             Yr 5 Prepay Pens 10
                             CPR beg Yr 3

  5B           -200        YM loans 10 CPR beg        0 CDR         109-21    4.37      89      5.2       4.3     07/99 to 06/07
                             Yr 5 Prepay Pens 10
                             CPR beg Yr 3

  5C           Base        YM loans 10 CPR beg        0 CDR         100-16    6.37      88      5.2       4.2     07/99 to 06/07
                             Yr 5 Prepay Pens 10
                             CPR beg Yr 3

  6            Base        YM loans 10 CPR beg        25 CDR,       100-16    6.17      88      2.4       2.2     07/99 to 08/02
                              Yr 5 Prepay Pens 10     24 mtr,
                              CPR beg Yr 3            35% loss,
                                                      P&I
                                                      advanced

  7            Base        0 CPR                      Top 3         100-16    6.32      87      4.6       3.8     07/99 to 07/06
                                                      loans 100
                                                      MDR in
                                                      Period 36,
                                                      24 mtr,
                                                      35% loss,
                                                      P&I
                                                      advanced
</TABLE>


THESE COMPUTATIONAL MATERIALS HAVE BEEN BASED UPON THE ASSUMPTIONS DESCRIBED
ABOVE. THESE ASSUMPTIONS WILL MOST LIKELY NOT REPRESENT THE ACTUAL EXPERIENCE OF
THE LOANS IN THE FUTURE. THE COMPUTATIONAL MATERIALS ARE INTENDED TO ILLUSTRATE
VARIATIONS IN YIELD ON THE OFFERED CERTIFICATES (REFERRED TO IN THE MEMORANDUM)
UNDER SUCH ASSUMPTIONS. NO REPRESENTATION IS MADE HEREIN AS TO THE ACTUAL RATE
OR TIMING OF PRINCIPAL PAYMENTS OR PREPAYMENTS ON ANY OF THE UNDERLYING LOANS IN
THE POOL OR THE ACTUAL PERFORMANCE CHARACTERISTICS OF THE OFFERED CERTIFICATES.

                                       6
<PAGE>


                                  PMAC 1999-C1
                                    CLASS A2
                                   May 18,1999
<TABLE>
<CAPTION>
SCENARIO    YIELD CURVE    PREPAY                     DEFAULT        PRICE    YIELD    SPREAD    WAL   DURATION      WINDOW
<S>         <C>            <C>                       <C>           <C>      <C>       <C>      <C>     <C>        <C>
  1A           Base        0 CPR                       0 CDR         101-16   6.64      106      9.3      6.7       12/07 to 04/09
  1B           +200        0 CPR                       0 CDR         88-30+   8.64      106      9.3      6.5       12/07 to 04/09
  1C           -200        0 CPR                       0 CDR         116-12   4.64      106      9.3      6.9       12/07 to 04/09

  2A           Base        100 CPR after LO            0 CDR         101-16   6.63      106      9.0      6.6       06/06 to 01/09
  2B           +200        100 CPR after LO            0 CDR         88-30+   8.68      110      9.0      6.3       06/06 to 01/09
  2C           -200        100 CPR after LO            0 CDR         116-12   4.58      101      9.0      6.8       06/06 to 01/09
  2D           -200        100 CPR after LO            0 CDR         115-31+  4.63      106      9.0      6.8       06/06 to 01/09
  2E           -200        100 CPR after LO            0 CDR         115-30   4.64      107      9.0      6.8       06/06 to 01/09

  3            Base        Extend 3 yrs at balloon     0 CDR         101-16   6.68      105     11.9      8.0       05/09 to 03/12

  4            Base        Extend all remaining        25 CDR,       101-16   5.59        8      6.4      5.0       08/02 to 10/12
                            balloon loans by           24 mtr,
                            3 yrs at balloon date      35% loss,
                                                       P&I
                                                       advanced

  5A           +200        YM loans 10 CPR beg         0 CDR         88-30+   8.64      106      9.2      6.5       06/07 to 04/09
                             Yr 5 Prepay Pens 10
                             CPR beg Yr 3

  5B           -200        YM loans 10 CPR beg         0 CDR         116-12   4.63      105      9.2      6.9       06/07 to 04/09
                             Yr 5 Prepay Pens 10
                             CPR beg Yr 3

  5C           Base        YM loans 10 CPR beg         0 CDR         101-16   6.64      105      9.2      6.7       06/07 to 04/09
                             Yr 5 Prepay Pens 10
                             CPR beg Yr 3

  6            Base        YM loans 10 CPR beg         25 CDR,       101-16   5.77       27      6.1      4.8       08/02 to 10/10
                             Yr 5 Prepay Pens 10       24 mtr,
                             CPR beg Yr 3              35% loss,
                                                       P&I
                                                       advanced

  7            Base        0 CPR                       Top 3         101-16   6.63      105      9.1      6.6      07/06 to 04/09
                                                       loans 100
                                                       MDR in
                                                       Period 36,
                                                       24 mtr,
                                                       35% loss,
                                                       P&I advanced
</TABLE>


THESE COMPUTATIONAL MATERIALS HAVE BEEN BASED UPON THE ASSUMPTIONS DESCRIBED
ABOVE. THESE ASSUMPTIONS WILL MOST LIKELY NOT REPRESENT THE ACTUAL EXPERIENCE OF
THE LOANS IN THE FUTURE. THE COMPUTATIONAL MATERIALS ARE INTENDED TO ILLUSTRATE
VARIATIONS IN YIELD ON THE OFFERED CERTIFICATES (REFERRED TO IN THE MEMORANDUM)
UNDER SUCH ASSUMPTIONS. NO REPRESENTATION IS MADE HEREIN AS TO THE ACTUAL RATE
OR TIMING OF PRINCIPAL PAYMENTS OR PREPAYMENTS ON ANY OF THE UNDERLYING LOANS IN
THE POOL OR THE ACTUAL PERFORMANCE CHARACTERISTICS OF THE OFFERED CERTIFICATES.

                                       7




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