SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
Current Report Pursuant To Section 13 or 15(d) of the
Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): April 27, 1998
Preferred Credit Corporation (as Seller under a Pooling and Servicing Agreement
dated as of March 1, 1997, providing for the issuance of the Preferred Credit
Asset-Backed Certificates, Series 1997-1.
CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORP.
(Exact name of Registrant as specified in its Charter)
DELAWARE
(State or Other Jurisdiction of Incorporation)
333-21329 13-3320910
(Commission File Number) (I.R.S. Employer
Identification No.)
11 MADISON AVENUE
NEW YORK, NEW YORK 10010-3629
(Address of principal executive offices) (Zip Code)
Registrant's Telephone Number, Including Area Code: (212) 325-2000
ITEM 5. Other Events
Attached hereto are copies of the Monthly Remittance Statements to the
Certificateholders which were derived from the monthly information submitted
by the Master Servicer to the Trustee.
ITEM 7. Financial Statement and Exhibits
Exhibits: (as noted in Item 5 above)
Monthly Remittance Statement to the Certificateholders dated as of April
27, 1998.
Monthly Remittance Statement to the Certificateholders dated as of May 26,
1998.
Monthly Remittance Statement to the Certificateholders dated as of June 25,
1998.
Monthly Remittance Statement to the Certificateholders dated as of July 27,
1998.
Monthly Remittance Statement to the Certificateholders dated as of August
25, 1998.
Monthly Remittance Statement to the Certificateholders dated as of September
25, 1998.
Monthly Remittance Statement to the Certificateholders dated as of October
26, 1998.
Monthly Remittance Statement to the Certificateholders dated as of November
25, 1998.
Monthly Remittance Statement to the Certificateholders dated as of December
28, 1998.
Monthly Remittance Statement to the Certificateholders dated as of January
25, 1999.
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned, hereunto duly authorized.
Bankers Trust Company, not in its individual
capacity, but solely as a duly authorized
agent of the Registrant pursuant to the
Pooling and Servicing Agreement dated March
1, 1997.
Date: January 29, 1999 By: /s/ Judy L. Gomez
Judy L. Gomez
Assistant Vice President
EXHIBIT INDEX
Document
Monthly Remittance Statement to the Certificateholders dated as of April
27, 1998.
Monthly Remittance Statement to the Certificateholders dated as of May 26,
1998.
Monthly Remittance Statement to the Certificateholders dated as of June 25,
1998.
Monthly Remittance Statement to the Certificateholders dated as of July 27,
1998.
Monthly Remittance Statement to the Certificateholders dated as of August
25, 1998.
Monthly Remittance Statement to the Certificateholders dated as of September
25, 1998.
Monthly Remittance Statement to the Certificateholders dated as of October
26, 1998.
Monthly Remittance Statement to the Certificateholders dated as of November
25, 1998.
Monthly Remittance Statement to the Certificateholders dated as of December
28, 1998.
Monthly Remittance Statement to the Certificateholders dated as of January
25, 1999.
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Lower-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
LT-1 478,000.00 175,096.23 1,894.13 41,340.78
> 43,234.91 0.00 0.00 133,755.45
LT-2 295,000.00 295,000.00 3,191.20 0.00
> 3,191.20 0.00 0.00 295,000.00
LT-3 232,000.00 232,000.00 2,509.69 0.00
> 2,509.69 0.00 0.00 232,000.00
LT-4 506,000.00 506,000.00 5,473.73 0.00
> 5,473.73 0.00 0.00 506,000.00
LT-5 115,000.00 115,000.00 1,244.03 0.00
> 1,244.03 0.00 0.00 115,000.00
LT-6 374,000.00 374,000.00 4,045.80 0.00
> 4,045.80 0.00 0.00 374,000.00
LT-A 155,816,106.79 180,522,358.74 1,895,560.24 3,144,612.24 5,
>040,172.48 838,250.14 0.00 176,539,496.36
LT-M 1,179,920.55 1,987,033.52 12,242.12 32,087.88
> 44,330.00 17,107.15 9,252.90 1,947,091.39
RL 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 158,996,027.34 184,206,488.49 1,926,160.94 3,218,040.90 5,
>144,201.84 855,357.29 9,252.90 180,142,343.20
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
LT-1 366.310105 3.962615 86.486987
> 90.449603 279.823117 12.981171% 12.980156%
LT-2 1,000.000000 10.817627 0.000000
> 10.817627 1,000.000000 12.981171% 12.980156%
LT-3 1,000.000000 10.817629 0.000000
> 10.817629 1,000.000000 12.981171% 12.980156%
LT-4 1,000.000000 10.817648 0.000000
> 10.817648 1,000.000000 12.981171% 12.980156%
LT-5 1,000.000000 10.817652 0.000000
> 10.817652 1,000.000000 12.981171% 12.980156%
LT-6 1,000.000000 10.817647 0.000000
> 10.817647 1,000.000000 12.981171% 12.980156%
LT-A 1,158.560321 12.165368 20.181561
> 32.346929 1,132.999020 12.981171% 12.980156%
LT-M 1,684.040099 10.375377 27.194950
> 37.570326 1,650.188557 12.981171% 12.980156%
RL 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.000000% 0.000000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Amy Paik
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: March 31, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: April 27, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 1
> (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Upper-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
A-1 47,800,000.00 17,509,625.29 90,466.40 4,134,078.32 4,
>224,544.72 0.00 0.00 13,375,546.97
A-2 29,500,000.00 29,500,000.00 164,954.17 0.00
>164,954.17 0.00 0.00 29,500,000.00
A-3 23,200,000.00 23,200,000.00 133,593.33 0.00
>133,593.33 0.00 0.00 23,200,000.00
A-4 50,600,000.00 50,600,000.00 301,491.67 0.00
>301,491.67 0.00 0.00 50,600,000.00
A-5 11,500,000.00 11,500,000.00 70,820.83 0.00
> 70,820.83 0.00 0.00 11,500,000.00
A-6 37,400,000.00 37,400,000.00 236,555.00 0.00
>236,555.00 0.00 0.00 37,400,000.00
B 4,769,880.27 18,304,474.52 0.00 0.00
> 0.00 0.00 925,290.32 19,229,764.84
RU 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 204,769,880.27 188,014,099.81 997,881.40 4,134,078.32 5,
>131,959.72 0.00 925,290.32 184,805,311.81
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
A-1 126342GH1 366.310153 1.892603 86.486994
> 88.379597 279.823158 6.200000% 6.200000%
A-2 126342GJ7 1,000.000000 5.591667 0.000000
> 5.591667 1,000.000000 6.710000% 6.710000%
A-3 126342GK4 1,000.000000 5.758333 0.000000
> 5.758333 1,000.000000 6.910000% 6.910000%
A-4 126342GL2 1,000.000000 5.958333 0.000000
> 5.958333 1,000.000000 7.150000% 7.150000%
A-5 126342GM0 1,000.000000 6.158333 0.000000
> 6.158333 1,000.000000 7.390000% 7.390000%
A-6 126342GN8 1,000.000000 6.325000 0.000000
> 6.325000 1,000.000000 7.590000% 7.590000%
B 3,837.512366 0.000000 0.000000
> 0.000000 4,031.498434 0.000000% 0.000000%
RU 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.000000% 0.000000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Amy Paik
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: March 31, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: April 27, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 3
> (c) COPYRIGHT 1998 Bankers Trust Company
> CS First Boston Mortgag
>e Securities Corp.
> Preferred Mortgage Asse
>t-Backed Certificates
> Series 1997-1
> Lower-Tier REMIC
> Statement To Certific
>ateholders
> Distribution Date:
> April 27, 1998
> DELINQUENT LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> N/A 2,303,520.871,147,352.541,862,414.525,313,287.93
>
> PERCENTAGE OF POOL BALA
>NCE N/A 1.2787% 0.6369% 1.0339% 2.9495%
>
> NUMBER OF LOANS
> N/A 70 34 53 157
>
> PERCENTAGE OF LOANS
> N/A 1.3653% 0.6632% 1.0337% 3.0622%
>
> BANKRUPTCY LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 1,629,692. 184,583.42 516,180.09 984,948.95 3,315,404.53
>
> PERCENTAGE OF POOL BALA
>NCE 0.9047% 0.1025% 0.2865% 0.5468% 1.8404%
>
> NUMBER OF LOANS
> 47 6 14 28 95
>
> PERCENTAGE OF LOANS
> 0.9167% 0.1170% 0.2731% 0.5461% 1.8529%
>
> FORECLOSURE LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 0.00 0.00 0.00 0.00 0.00
>
> PERCENTAGE OF POOL BALA
>NCE 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> NUMBER OF LOANS
> 0 0 0 0 0
>
> PERCENTAGE OF LOANS
> 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> REO PROPERTY
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 0.00 0.00 0.00 0.00 0.00
>
> PERCENTAGE OF POOL BALA
>NCE 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> NUMBER OF LOANS
> 0 0 0 0 0
>
> PERCENTAGE OF LOANS
> 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> BOOK VALUE OF LOANS IN
>REO: 0.00
>
> ADDITIONAL INFORMATION
>CONCERNING ANY REO PROPERTY: (SEE ATTACHED, IF ANY)
>
> WEIGHTED AVERAGE MORTGA
>GE INTEREST RATE: 13.942671%
>
> WEIGHTED AVERAGE NET MO
>RTGAGE INTEREST RATE: 12.981171%
>
> WEIGHTED AVERAGE REMAIN
>ING TERM TO MATURITY: 167
>
> PRIOR NUMBER OF MORTGAG
>E LOANS INCLUDED IN THE POOL: 5,230
>
> NUMBER OF SUBSEQUENT MO
>RTGAGE LOANS ADDED TO THE POOL: 0
>
> CURRENT NUMBER OF MORTG
>AGE LOANS INCLUDED IN THE POOL: 5,127
>
> PRIOR AGGREGATE PRINCIP
>AL BALANCE OF THE MORTGAGE LOANS: 184,206,488.49
>
> SUBSEQUENT MORTGAGE LOA
>NS ADDED TO POOL PRINCIPAL BALANCE: 0.00
>
> CURRENT AGGREGATE PRINC
>IPAL BALANCE OF THE MORTGAGE LOANS: 180,142,343.20
>
>
> Page 2 of 3 (c) COPYRIGHT 1998 B
>
> CS First Boston Mortgag
>e Securities Corp.
> Preferred Mortgage Asse
>t-Backed Certificates
> Series 1997-1
> Lower-Tier REMIC
> Statement To Certific
>ateholders
> Distribution Date:
> April 27, 1998
> PRINCIPAL REMITTANCE AM
>OUNTS:
> SCHEDULE
>D PRINCIPAL: 372,336.03
>
> CURTAILM
>ENTS: 151,231.05
>
> PREPAYME
>NTS IN FULL: 2,684,439.92
>
> NET LIQU
>IDATION PROCEEDS: 781.00
>
> INSURANC
>E PRINCIPAL PROCEEDS: 0.00
>
> RELEASED
> MORTGAGED PROPERTY PROCEEDS: 0.00
>
> REPURCHA
>SED PRINCIPAL AMOUNTS: 0.00
>
> OVERCOLL
>ATERALIZATION INCREASE AMOUNT: 925,290.32
>
> SUBSTITU
>TION ADJUSTMENTS: 0.00
>
> PRE-FUND
>ED AMOUNTS DISTRIBUTED AS PRINCIPAL: 0.00
>
> TOTAL PRINCIPAL DISTRIB
>UTED: 4,134,078.32
>
> INSURED PAYMENT INCLUDE
>D IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS: 0.00
>
> REIMBURSEMENT AMOUNT PA
>ID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION: 0.00
>
> REQUIRED OVERCOLLATERAL
>IZATION LEVEL AS OF THE CURRENT REMITTANCE DATE: 19,200,000.00
>
> OVERCOLLATERALIZATION A
>MOUNT AS OF THE CURRENT DISTRIBUTION DATE: 14,566,796.23
>
> TOTAL REPURCHASE PRICE
>OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION DATE: 0.00
>
> CURRENT REALIZED LOSSES
> FOR THE RELATED COLLECTION PERIOD: 855,357.29
>
> CURRENT CUMULATIVE REAL
>IZED LOSSES TO DATE: 4,662,968.61
>
> REMAINING PRE-FUNDED AM
>OUNT: 0.00
>
>
> Page 3 of 3 (c) COPYRIGHT 1998 B
>
ankers Trust Company
ankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Lower-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
LT-1 478,000.00 133,755.45 1,446.81 38,722.17
> 40,168.98 0.00 0.00 95,033.28
LT-2 295,000.00 295,000.00 3,190.96 0.00
> 3,190.96 0.00 0.00 295,000.00
LT-3 232,000.00 232,000.00 2,509.50 0.00
> 2,509.50 0.00 0.00 232,000.00
LT-4 506,000.00 506,000.00 5,473.30 0.00
> 5,473.30 0.00 0.00 506,000.00
LT-5 115,000.00 115,000.00 1,243.93 0.00
> 1,243.93 0.00 0.00 115,000.00
LT-6 374,000.00 374,000.00 4,045.48 0.00
> 4,045.48 0.00 0.00 374,000.00
LT-A 155,816,106.79 176,539,496.36 1,846,804.14 2,915,552.24 4,
>762,356.38 980,034.81 0.00 172,643,909.31
LT-M 1,179,920.55 1,947,091.39 12,089.65 29,750.53
> 41,840.18 20,000.71 8,971.64 1,906,311.79
RL 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 158,996,027.34 180,142,343.20 1,876,803.77 2,984,024.94 4,
>860,828.71 1,000,035.52 8,971.64 176,167,254.38
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
LT-1 279.823117 3.026799 81.008724
> 84.035523 198.814393 12.980156% 12.977759%
LT-2 1,000.000000 10.816814 0.000000
> 10.816814 1,000.000000 12.980156% 12.977759%
LT-3 1,000.000000 10.816810 0.000000
> 10.816810 1,000.000000 12.980156% 12.977759%
LT-4 1,000.000000 10.816798 0.000000
> 10.816798 1,000.000000 12.980156% 12.977759%
LT-5 1,000.000000 10.816783 0.000000
> 10.816783 1,000.000000 12.980156% 12.977759%
LT-6 1,000.000000 10.816791 0.000000
> 10.816791 1,000.000000 12.980156% 12.977759%
LT-A 1,132.999020 11.852460 18.711495
> 30.563954 1,107.997837 12.980156% 12.977759%
LT-M 1,650.188557 10.246156 25.214011
> 35.460167 1,615.627247 12.980156% 12.977759%
RL 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.000000% 0.000000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Amy Paik
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: April 30, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: May 26, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 1
> (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Upper-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
A-1 47,800,000.00 13,375,546.97 69,106.99 3,872,217.07 3,
>941,324.06 0.00 0.00 9,503,329.90
A-2 29,500,000.00 29,500,000.00 164,954.17 0.00
>164,954.17 0.00 0.00 29,500,000.00
A-3 23,200,000.00 23,200,000.00 133,593.33 0.00
>133,593.33 0.00 0.00 23,200,000.00
A-4 50,600,000.00 50,600,000.00 301,491.67 0.00
>301,491.67 0.00 0.00 50,600,000.00
A-5 11,500,000.00 11,500,000.00 70,820.83 0.00
> 70,820.83 0.00 0.00 11,500,000.00
A-6 37,400,000.00 37,400,000.00 236,555.00 0.00
>236,555.00 0.00 0.00 37,400,000.00
B 4,769,880.27 19,229,764.84 0.00 0.00
> 0.00 0.00 897,163.77 20,126,928.61
RU 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 204,769,880.27 184,805,311.81 976,521.99 3,872,217.07 4,
>848,739.06 0.00 897,163.77 181,830,258.51
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
A-1 126342GH1 279.823158 1.445753 81.008725
> 82.454478 198.814433 6.200000% 6.200000%
A-2 126342GJ7 1,000.000000 5.591667 0.000000
> 5.591667 1,000.000000 6.710000% 6.710000%
A-3 126342GK4 1,000.000000 5.758333 0.000000
> 5.758333 1,000.000000 6.910000% 6.910000%
A-4 126342GL2 1,000.000000 5.958333 0.000000
> 5.958333 1,000.000000 7.150000% 7.150000%
A-5 126342GM0 1,000.000000 6.158333 0.000000
> 6.158333 1,000.000000 7.390000% 7.390000%
A-6 126342GN8 1,000.000000 6.325000 0.000000
> 6.325000 1,000.000000 7.590000% 7.590000%
B 4,031.498434 0.000000 0.000000
> 0.000000 4,219.587803 0.000000% 0.000000%
RU 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.000000% 0.000000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Amy Paik
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: April 30, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: May 26, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 3
> (c) COPYRIGHT 1998 Bankers Trust Company
> CS First Boston Mortgag
>e Securities Corp.
> Preferred Mortgage Asse
>t-Backed Certificates
> Series 1997-1
> Lower-Tier REMIC
> Statement To Certific
>ateholders
> Distribution Date:
> May 26, 1998
> DELINQUENT LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> N/A 1,876,829.84 854,827.25 1,818,996.254,550,653.34
>
> PERCENTAGE OF POOL BALA
>NCE N/A 1.0654% 0.4852% 1.0325% 2.5831%
>
> NUMBER OF LOANS
> N/A 57 26 54 137
>
> PERCENTAGE OF LOANS
> N/A 1.1346% 0.5175% 1.0748% 2.7269%
>
> BANKRUPTCY LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 1,704,745. 469,430.05 460,134.87 1,509,257.004,143,567.54
>
> PERCENTAGE OF POOL BALA
>NCE 0.9677% 0.2665% 0.2612% 0.8567% 2.3521%
>
> NUMBER OF LOANS
> 47 15 13 41 116
>
> PERCENTAGE OF LOANS
> 0.9355% 0.2986% 0.2588% 0.8161% 2.3089%
>
> FORECLOSURE LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 0.00 0.00 0.00 0.00 0.00
>
> PERCENTAGE OF POOL BALA
>NCE 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> NUMBER OF LOANS
> 0 0 0 0 0
>
> PERCENTAGE OF LOANS
> 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> REO PROPERTY
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 0.00 0.00 0.00 0.00 0.00
>
> PERCENTAGE OF POOL BALA
>NCE 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> NUMBER OF LOANS
> 0 0 0 0 0
>
> PERCENTAGE OF LOANS
> 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> BOOK VALUE OF LOANS IN
>REO: 0.00
>
> ADDITIONAL INFORMATION
>CONCERNING ANY REO PROPERTY: (SEE ATTACH
>
> WEIGHTED AVERAGE MORTGA
>GE INTEREST RATE: 13.941656%
>
> WEIGHTED AVERAGE NET MO
>RTGAGE INTEREST RATE: 12.980156%
>
> WEIGHTED AVERAGE REMAIN
>ING TERM TO MATURITY: 166
>
> PRIOR NUMBER OF MORTGAG
>E LOANS INCLUDED IN THE POOL: 5,127
>
> NUMBER OF SUBSEQUENT MO
>RTGAGE LOANS ADDED TO THE POOL: 0
>
> CURRENT NUMBER OF MORTG
>AGE LOANS INCLUDED IN THE POOL: 5,024
>
> PRIOR AGGREGATE PRINCIP
>AL BALANCE OF THE MORTGAGE LOANS: 180,142,343.20
>
> SUBSEQUENT MORTGAGE LOA
>NS ADDED TO POOL PRINCIPAL BALANCE: 0.00
>
> CURRENT AGGREGATE PRINC
>IPAL BALANCE OF THE MORTGAGE LOANS: 176,167,254.38
>
>
> Page 2 of 3 (c) COPYRIGHT 1998 B
>
> CS First Boston Mortgag
>e Securities Corp.
> Preferred Mortgage Asse
>t-Backed Certificates
> Series 1997-1
> Lower-Tier REMIC
> Statement To Certific
>ateholders
> Distribution Date:
> May 26, 1998
> PRINCIPAL REMITTANCE AM
>OUNTS:
> SCHEDULE
>D PRINCIPAL: 346,443.74
>
> CURTAILM
>ENTS: 66,833.33
>
> PREPAYME
>NTS IN FULL: 2,616,777.0
>
> NET LIQU
>IDATION PROCEEDS: (55,000.82)
>
> INSURANC
>E PRINCIPAL PROCEEDS: 0.00
>
> RELEASED
> MORTGAGED PROPERTY PROCEEDS: 0.00
>
> REPURCHA
>SED PRINCIPAL AMOUNTS: 0.00
>
> OVERCOLL
>ATERALIZATION INCREASE AMOUNT: 897,163.77
>
> SUBSTITU
>TION ADJUSTMENTS: 0.00
>
> PRE-FUND
>ED AMOUNTS DISTRIBUTED AS PRINCIPAL: 0.00
>
> TOTAL PRINCIPAL DISTRIB
>UTED: 3,872,217.07
>
> INSURED PAYMENT INCLUDE
>D IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS: 0.00
>
> REIMBURSEMENT AMOUNT PA
>ID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION: 0.00
>
> REQUIRED OVERCOLLATERAL
>IZATION LEVEL AS OF THE CURRENT REMITTANCE DATE: 23,000,000.00
>
> OVERCOLLATERALIZATION A
>MOUNT AS OF THE CURRENT DISTRIBUTION DATE: 14,463,924.48
>
> TOTAL REPURCHASE PRICE
>OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION DATE: 0.00
>
> CURRENT REALIZED LOSSES
> FOR THE RELATED COLLECTION PERIOD: 1,000,035.52
>
> CURRENT CUMULATIVE REAL
>IZED LOSSES TO DATE: 5,663,004.13
>
> REMAINING PRE-FUNDED AM
>OUNT: 0.00
>
>
> Page 3 of 3 (c) COPYRIGHT 1998 B
>
ED, IF ANY)
ankers Trust Company
ankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Lower-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
LT-1 478,000.00 95,033.28 1,027.77 39,140.33
> 40,168.10 0.00 0.00 55,892.95
LT-2 295,000.00 295,000.00 3,190.37 0.00
> 3,190.37 0.00 0.00 295,000.00
LT-3 232,000.00 232,000.00 2,509.03 0.00
> 2,509.03 0.00 0.00 232,000.00
LT-4 506,000.00 506,000.00 5,472.29 0.00
> 5,472.29 0.00 0.00 506,000.00
LT-5 115,000.00 115,000.00 1,243.70 0.00
> 1,243.70 0.00 0.00 115,000.00
LT-6 374,000.00 374,000.00 4,044.73 0.00
> 4,044.73 0.00 0.00 374,000.00
LT-A 155,816,106.79 172,643,909.31 1,803,366.22 2,980,144.64 4,
>783,510.86 895,543.62 0.00 168,768,221.05
LT-M 1,179,920.55 1,906,311.79 11,885.69 30,409.64
> 42,295.33 18,276.40 8,730.69 1,866,356.44
RL 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 158,996,027.34 176,167,254.38 1,832,739.80 3,049,694.61 4,
>882,434.41 913,820.02 8,730.69 172,212,470.44
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
LT-1 198.814393 2.150146 81.883536
> 84.033682 116.930858 12.977759% 12.977422%
LT-2 1,000.000000 10.814814 0.000000
> 10.814814 1,000.000000 12.977759% 12.977422%
LT-3 1,000.000000 10.814784 0.000000
> 10.814784 1,000.000000 12.977759% 12.977422%
LT-4 1,000.000000 10.814802 0.000000
> 10.814802 1,000.000000 12.977759% 12.977422%
LT-5 1,000.000000 10.814783 0.000000
> 10.814783 1,000.000000 12.977759% 12.977422%
LT-6 1,000.000000 10.814786 0.000000
> 10.814786 1,000.000000 12.977759% 12.977422%
LT-A 1,107.997837 11.573683 19.126037
> 30.699720 1,083.124361 12.977759% 12.977422%
LT-M 1,615.627247 10.073297 25.772617
> 35.845914 1,581.764501 12.977759% 12.977422%
RL 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.000000% 0.000000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Amy Paik
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: May 29, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: June 25, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 1
> (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Upper-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
A-1 47,800,000.00 9,503,329.90 49,100.54 3,914,033.18 3,
>963,133.72 0.00 0.00 5,589,296.72
A-2 29,500,000.00 29,500,000.00 164,954.17 0.00
>164,954.17 0.00 0.00 29,500,000.00
A-3 23,200,000.00 23,200,000.00 133,593.33 0.00
>133,593.33 0.00 0.00 23,200,000.00
A-4 50,600,000.00 50,600,000.00 301,491.67 0.00
>301,491.67 0.00 0.00 50,600,000.00
A-5 11,500,000.00 11,500,000.00 70,820.83 0.00
> 70,820.83 0.00 0.00 11,500,000.00
A-6 37,400,000.00 37,400,000.00 236,555.00 0.00
>236,555.00 0.00 0.00 37,400,000.00
B 4,769,880.27 20,126,928.61 0.00 0.00
> 0.00 0.00 873,069.26 20,999,997.87
RU 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 204,769,880.27 181,830,258.51 956,515.54 3,914,033.18 4,
>870,548.72 0.00 873,069.26 178,789,294.59
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
A-1 126342GH1 198.814433 1.027208 81.883539
> 82.910747 116.930894 6.200000% 6.200000%
A-2 126342GJ7 1,000.000000 5.591667 0.000000
> 5.591667 1,000.000000 6.710000% 6.710000%
A-3 126342GK4 1,000.000000 5.758333 0.000000
> 5.758333 1,000.000000 6.910000% 6.910000%
A-4 126342GL2 1,000.000000 5.958333 0.000000
> 5.958333 1,000.000000 7.150000% 7.150000%
A-5 126342GM0 1,000.000000 6.158333 0.000000
> 6.158333 1,000.000000 7.390000% 7.390000%
A-6 126342GN8 1,000.000000 6.325000 0.000000
> 6.325000 1,000.000000 7.590000% 7.590000%
B 4,219.587803 0.000000 0.000000
> 0.000000 4,402.625785 0.000000% 0.000000%
RU 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.000000% 0.000000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Amy Paik
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: May 29, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: June 25, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 3
> (c) COPYRIGHT 1998 Bankers Trust Company
> CS First Boston Mortgag
>e Securities Corp.
> Preferred Mortgage Asse
>t-Backed Certificates
> Series 1997-1
> Lower-Tier REMIC
> Statement To Certific
>ateholders
> Distribution Date:
> June 25, 1998
> DELINQUENT LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> N/A 1,837,504.541,097,033.871,534,353.184,468,891.59
>
> PERCENTAGE OF POOL BALA
>NCE N/A 1.0670% 0.6370% 0.8910% 2.5950%
>
> NUMBER OF LOANS
> N/A 61 33 46 140
>
> PERCENTAGE OF LOANS
> N/A 1.2398% 0.6707% 0.9350% 2.8455%
>
> BANKRUPTCY LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 1,805,000. 338,001.79 547,070.34 1,781,125.994,471,199.06
>
> PERCENTAGE OF POOL BALA
>NCE 1.0481% 0.1963% 0.3177% 1.0343% 2.5963%
>
> NUMBER OF LOANS
> 52 10 18 47 127
>
> PERCENTAGE OF LOANS
> 1.0569% 0.2033% 0.3659% 0.9553% 2.5813%
>
> FORECLOSURE LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 0.00 0.00 0.00 0.00 0.00
>
> PERCENTAGE OF POOL BALA
>NCE 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> NUMBER OF LOANS
> 0 0 0 0 0
>
> PERCENTAGE OF LOANS
> 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> REO PROPERTY
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 0.00 0.00 0.00 0.00 0.00
>
> PERCENTAGE OF POOL BALA
>NCE 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> NUMBER OF LOANS
> 0 0 0 0 0
>
> PERCENTAGE OF LOANS
> 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> BOOK VALUE OF LOANS IN
>REO: 0.00
>
> ADDITIONAL INFORMATION
>CONCERNING ANY REO PROPERTY: (SEE ATTACH
>
> WEIGHTED AVERAGE MORTGA
>GE INTEREST RATE: 13.939259%
>
> WEIGHTED AVERAGE NET MO
>RTGAGE INTEREST RATE: 12.977759%
>
> WEIGHTED AVERAGE REMAIN
>ING TERM TO MATURITY: 165
>
> PRIOR NUMBER OF MORTGAG
>E LOANS INCLUDED IN THE POOL: 5,024
>
> NUMBER OF SUBSEQUENT MO
>RTGAGE LOANS ADDED TO THE POOL: 0
>
> CURRENT NUMBER OF MORTG
>AGE LOANS INCLUDED IN THE POOL: 4,920
>
> PRIOR AGGREGATE PRINCIP
>AL BALANCE OF THE MORTGAGE LOANS: 176,167,254.38
>
> SUBSEQUENT MORTGAGE LOA
>NS ADDED TO POOL PRINCIPAL BALANCE: 0.00
>
> CURRENT AGGREGATE PRINC
>IPAL BALANCE OF THE MORTGAGE LOANS: 172,212,470.44
>
>
> Page 2 of 3 (c) COPYRIGHT 1998 B
>
> CS First Boston Mortgag
>e Securities Corp.
> Preferred Mortgage Asse
>t-Backed Certificates
> Series 1997-1
> Lower-Tier REMIC
> Statement To Certific
>ateholders
> Distribution Date:
> June 25, 1998
> PRINCIPAL REMITTANCE AM
>OUNTS:
> SCHEDULE
>D PRINCIPAL: 343,283.46
>
> CURTAILM
>ENTS: 101,599.32
>
> PREPAYME
>NTS IN FULL: 2,650,580.02
>
> NET LIQU
>IDATION PROCEEDS: (54,498.88)
>
> INSURANC
>E PRINCIPAL PROCEEDS: 0.00
>
> RELEASED
> MORTGAGED PROPERTY PROCEEDS: 0.00
>
> REPURCHA
>SED PRINCIPAL AMOUNTS: 0.00
>
> OVERCOLL
>ATERALIZATION INCREASE AMOUNT: 873,069.26
>
> SUBSTITU
>TION ADJUSTMENTS: 0.00
>
> PRE-FUND
>ED AMOUNTS DISTRIBUTED AS PRINCIPAL: 0.00
>
> TOTAL PRINCIPAL DISTRIB
>UTED: 3,914,033.18
>
> INSURED PAYMENT INCLUDE
>D IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS: 0.00
>
> REIMBURSEMENT AMOUNT PA
>ID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION: 0.00
>
> REQUIRED OVERCOLLATERAL
>IZATION LEVEL AS OF THE CURRENT REMITTANCE DATE: 23,000,000.00
>
> OVERCOLLATERALIZATION A
>MOUNT AS OF THE CURRENT DISTRIBUTION DATE: 14,423,173.72
>
> TOTAL REPURCHASE PRICE
>OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION DATE: 0.00
>
> CURRENT REALIZED LOSSES
> FOR THE RELATED COLLECTION PERIOD: 913,820.02
>
> CURRENT CUMULATIVE REAL
>IZED LOSSES TO DATE: 6,576,824.15
>
> REMAINING PRE-FUNDED AM
>OUNT: 0.00
>
>
> Page 3 of 3 (c) COPYRIGHT 1998 B
>
ED, IF ANY)
ankers Trust Company
ankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Lower-Tier REMIC
Statement To Certificateholders - REVISED
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
LT-1 478,000.00 55,892.95 604.46 39,435.58
> 40,040.04 0.00 0.00 16,457.37
LT-2 295,000.00 295,000.00 3,190.28 0.00
> 3,190.28 0.00 0.00 295,000.00
LT-3 232,000.00 232,000.00 2,508.97 0.00
> 2,508.97 0.00 0.00 232,000.00
LT-4 506,000.00 506,000.00 5,472.15 0.00
> 5,472.15 0.00 0.00 506,000.00
LT-5 115,000.00 115,000.00 1,243.67 0.00
> 1,243.67 0.00 0.00 115,000.00
LT-6 374,000.00 374,000.00 4,044.63 0.00
> 4,044.63 0.00 0.00 374,000.00
LT-A 155,816,106.79 168,768,221.05 1,774,324.15 3,018,228.64 4,
>792,552.79 715,029.81 0.00 165,034,962.60
LT-M 1,179,920.55 1,866,356.44 11,546.42 30,798.25
> 42,344.67 14,592.45 8,637.33 1,829,603.07
RL 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 158,996,027.34 172,212,470.44 1,802,934.73 3,088,462.47 4,
>891,397.20 729,622.26 8,637.33 168,403,023.04
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
LT-1 116.930858 1.264561 82.501213
> 83.765774 34.429644 12.977422% 12.978526%
LT-2 1,000.000000 10.814508 0.000000
> 10.814508 1,000.000000 12.977422% 12.978526%
LT-3 1,000.000000 10.814526 0.000000
> 10.814526 1,000.000000 12.977422% 12.978526%
LT-4 1,000.000000 10.814526 0.000000
> 10.814526 1,000.000000 12.977422% 12.978526%
LT-5 1,000.000000 10.814522 0.000000
> 10.814522 1,000.000000 12.977422% 12.978526%
LT-6 1,000.000000 10.814519 0.000000
> 10.814519 1,000.000000 12.977422% 12.978526%
LT-A 1,083.124361 11.387296 19.370453
> 30.757750 1,059.164973 12.977422% 12.978526%
LT-M 1,581.764501 9.785761 26.101969
> 35.887730 1,550.615480 12.977422% 12.978526%
RL 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.000000% 0.000000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Amy Paik
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: June 30, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: July 27, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 1
> (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Upper-Tier REMIC
Statement To Certificateholders - REVISED
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
A-1 47,800,000.00 5,589,296.72 28,878.03 3,943,557.75 3,
>972,435.78 0.00 0.00 1,645,738.97
A-2 29,500,000.00 29,500,000.00 164,954.17 0.00
>164,954.17 0.00 0.00 29,500,000.00
A-3 23,200,000.00 23,200,000.00 133,593.33 0.00
>133,593.33 0.00 0.00 23,200,000.00
A-4 50,600,000.00 50,600,000.00 301,491.67 0.00
>301,491.67 0.00 0.00 50,600,000.00
A-5 11,500,000.00 11,500,000.00 70,820.83 0.00
> 70,820.83 0.00 0.00 11,500,000.00
A-6 37,400,000.00 37,400,000.00 236,555.00 0.00
>236,555.00 0.00 0.00 37,400,000.00
B 4,769,880.27 20,999,997.87 0.00 0.00
> 0.00 0.00 863,732.61 21,863,730.48
RU 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 204,769,880.27 178,789,294.59 936,293.03 3,943,557.75 4,
>879,850.78 0.00 863,732.61 175,709,469.45
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
A-1 126342GH1 116.930894 0.604143 82.501208
> 83.105351 34.429686 6.200000% 6.200000%
A-2 126342GJ7 1,000.000000 5.591667 0.000000
> 5.591667 1,000.000000 6.710000% 6.710000%
A-3 126342GK4 1,000.000000 5.758333 0.000000
> 5.758333 1,000.000000 6.910000% 6.910000%
A-4 126342GL2 1,000.000000 5.958333 0.000000
> 5.958333 1,000.000000 7.150000% 7.150000%
A-5 126342GM0 1,000.000000 6.158333 0.000000
> 6.158333 1,000.000000 7.390000% 7.390000%
A-6 126342GN8 1,000.000000 6.325000 0.000000
> 6.325000 1,000.000000 7.590000% 7.590000%
B 4,402.625785 0.000000 0.000000
> 0.000000 4,583.706350 0.000000% 0.000000%
RU 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.000000% 0.000000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Amy Paik
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: June 30, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: July 27, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 3
> (c) COPYRIGHT 1998 Bankers Trust Company
> CS First Boston Mortgag
>e Securities Corp.
> Preferred Mortgage Asse
>t-Backed Certificates
> Series 1997-1
> Lower-Tier REMIC
> Statement To Certific
>ateholders - REVISED
> Distribution Date:
> July 27, 1998
> DELINQUENT LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> N/A 1,907,127.091,005,302.371,543,509.144,455,938.60
>
> PERCENTAGE OF POOL BALA
>NCE N/A 1.1325% 0.5970% 0.9166% 2.6460%
>
> NUMBER OF LOANS
> N/A 58 32 46 136
>
> PERCENTAGE OF LOANS
> N/A 1.2038% 0.6642% 0.9548% 2.8227%
>
> BANKRUPTCY LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 1,759,258. 376,609.60 242,867.06 2,241,831.964,620,567.45
>
> PERCENTAGE OF POOL BALA
>NCE 1.0447% 0.2236% 0.1442% 1.3312% 2.7438%
>
> NUMBER OF LOANS
> 50 12 7 63 132
>
> PERCENTAGE OF LOANS
> 1.0378% 0.2491% 0.1453% 1.3076% 2.7397%
>
> FORECLOSURE LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 0.00 0.00 0.00 0.00 0.00
>
> PERCENTAGE OF POOL BALA
>NCE 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> NUMBER OF LOANS
> 0 0 0 0 0
>
> PERCENTAGE OF LOANS
> 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> REO PROPERTY
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 0.00 0.00 0.00 0.00 0.00
>
> PERCENTAGE OF POOL BALA
>NCE 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> NUMBER OF LOANS
> 0 0 0 0 0
>
> PERCENTAGE OF LOANS
> 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> BOOK VALUE OF LOANS IN
>REO: 0.00
>
> ADDITIONAL INFORMATION
>CONCERNING ANY REO PROPERTY: (SEE ATTACHED, IF ANY)
>
> WEIGHTED AVERAGE MORTGA
>GE INTEREST RATE: 13.938922%
>
> WEIGHTED AVERAGE NET MO
>RTGAGE INTEREST RATE: 12.977422%
>
> WEIGHTED AVERAGE REMAIN
>ING TERM TO MATURITY: 164
>
> PRIOR NUMBER OF MORTGAG
>E LOANS INCLUDED IN THE POOL: 4,920
>
> NUMBER OF SUBSEQUENT MO
>RTGAGE LOANS ADDED TO THE POOL: 0
>
> CURRENT NUMBER OF MORTG
>AGE LOANS INCLUDED IN THE POOL: 4,818
>
> PRIOR AGGREGATE PRINCIP
>AL BALANCE OF THE MORTGAGE LOANS: 172,212,470.44
>
> SUBSEQUENT MORTGAGE LOA
>NS ADDED TO POOL PRINCIPAL BALANCE: 0.00
>
> CURRENT AGGREGATE PRINC
>IPAL BALANCE OF THE MORTGAGE LOANS: 168,403,023.04
>
>
> Page 2 of 3 (c) COPYRIGHT 1998 B
>
> CS First Boston Mortgag
>e Securities Corp.
> Preferred Mortgage Asse
>t-Backed Certificates
> Series 1997-1
> Lower-Tier REMIC
> Statement To Certific
>ateholders - REVISED
> Distribution Date:
> July 27, 1998
> PRINCIPAL REMITTANCE AM
>OUNTS:
> SCHEDULE
>D PRINCIPAL: 338,588.32
>
> CURTAILM
>ENTS: 59,221.79
>
> PREPAYME
>NTS IN FULL: 2,616,531.47
>
> NET LIQU
>IDATION PROCEEDS: 65,483.56
>
> INSURANC
>E PRINCIPAL PROCEEDS: 0.00
>
> RELEASED
> MORTGAGED PROPERTY PROCEEDS: 0.00
>
> REPURCHA
>SED PRINCIPAL AMOUNTS: 0.00
>
> OVERCOLL
>ATERALIZATION INCREASE AMOUNT: 863,732.61
>
> SUBSTITU
>TION ADJUSTMENTS: 0.00
>
> PRE-FUND
>ED AMOUNTS DISTRIBUTED AS PRINCIPAL: 0.00
>
> TOTAL PRINCIPAL DISTRIB
>UTED: 3,943,557.75
>
> INSURED PAYMENT INCLUDE
>D IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS: 0.00
>
> REIMBURSEMENT AMOUNT PA
>ID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION: 0.00
>
> REQUIRED OVERCOLLATERAL
>IZATION LEVEL AS OF THE CURRENT REMITTANCE DATE: 23,000,000.00
>
> OVERCOLLATERALIZATION A
>MOUNT AS OF THE CURRENT DISTRIBUTION DATE: 14,557,284.07
>
> TOTAL REPURCHASE PRICE
>OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION DATE: 0.00
>
> CURRENT REALIZED LOSSES
> FOR THE RELATED COLLECTION PERIOD: 729,622.26
>
> CURRENT CUMULATIVE REAL
>IZED LOSSES TO DATE: 7,306,446.41
>
> REMAINING PRE-FUNDED AM
>OUNT: 0.00
>
>
> Page 3 of 3 (c) COPYRIGHT 1998 B
>
ankers Trust Company
ankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Lower-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
LT-1 478,000.00 16,457.37 177.99 16,457.37
> 16,635.36 0.00 0.00 0.00
LT-2 295,000.00 295,000.00 3,190.46 26,078.17
> 29,268.63 0.00 0.00 268,921.83
LT-3 232,000.00 232,000.00 2,509.10 0.00
> 2,509.10 0.00 0.00 232,000.00
LT-4 506,000.00 506,000.00 5,472.44 0.00
> 5,472.44 0.00 0.00 506,000.00
LT-5 115,000.00 115,000.00 1,243.74 0.00
> 1,243.74 0.00 0.00 115,000.00
LT-6 374,000.00 374,000.00 4,044.85 0.00
> 4,044.85 0.00 0.00 374,000.00
LT-A 155,816,106.79 165,034,962.60 1,684,178.85 3,391,516.26 5,
>075,695.11 1,531,197.78 0.00 160,112,248.56
LT-M 1,179,920.55 1,829,603.07 11,859.07 34,607.26
> 46,466.33 31,248.93 7,928.28 1,771,675.16
RL 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 158,996,027.34 168,403,023.04 1,712,676.50 3,468,659.06 5,
>181,335.56 1,562,446.71 7,928.28 163,379,845.55
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
LT-1 34.429644 0.372364 34.429644
> 34.802008 0.000000 12.978127% 12.977680%
LT-2 1,000.000000 10.815119 88.400576
> 99.215695 911.599424 12.978127% 12.977680%
LT-3 1,000.000000 10.815086 0.000000
> 10.815086 1,000.000000 12.978127% 12.977680%
LT-4 1,000.000000 10.815099 0.000000
> 10.815099 1,000.000000 12.978127% 12.977680%
LT-5 1,000.000000 10.815130 0.000000
> 10.815130 1,000.000000 12.978127% 12.977680%
LT-6 1,000.000000 10.815107 0.000000
> 10.815107 1,000.000000 12.978127% 12.977680%
LT-A 1,059.164973 10.808760 21.766147
> 32.574907 1,027.571872 12.978127% 12.977680%
LT-M 1,550.615480 10.050736 29.330161
> 39.380897 1,501.520725 12.978127% 12.977680%
RL 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.000000% 0.000000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Amy Paik
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: July 31, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: August 25, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 1
> (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Upper-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
A-1 47,800,000.00 1,645,738.97 8,502.98 1,645,738.97 1,
>654,241.95 0.00 0.00 0.00
A-2 29,500,000.00 29,500,000.00 164,954.17 2,607,819.54 2,
>772,773.71 0.00 0.00 26,892,180.46
A-3 23,200,000.00 23,200,000.00 133,593.33 0.00
>133,593.33 0.00 0.00 23,200,000.00
A-4 50,600,000.00 50,600,000.00 301,491.67 0.00
>301,491.67 0.00 0.00 50,600,000.00
A-5 11,500,000.00 11,500,000.00 70,820.83 0.00
> 70,820.83 0.00 0.00 11,500,000.00
A-6 37,400,000.00 37,400,000.00 236,555.00 0.00
>236,555.00 0.00 0.00 37,400,000.00
B 4,769,880.27 21,863,730.48 0.00 0.00
> 0.00 0.00 792,827.73 22,656,558.21
RU 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 204,769,880.27 175,709,469.45 915,917.98 4,253,558.51 5,
>169,476.49 0.00 792,827.73 172,248,738.67
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
A-1 126342GH1 34.429686 0.177887 34.429686
> 34.607572 0.000000 6.200000% 6.200000%
A-2 126342GJ7 1,000.000000 5.591667 88.400662
> 93.992329 911.599338 6.710000% 6.710000%
A-3 126342GK4 1,000.000000 5.758333 0.000000
> 5.758333 1,000.000000 6.910000% 6.910000%
A-4 126342GL2 1,000.000000 5.958333 0.000000
> 5.958333 1,000.000000 7.150000% 7.150000%
A-5 126342GM0 1,000.000000 6.158333 0.000000
> 6.158333 1,000.000000 7.390000% 7.390000%
A-6 126342GN8 1,000.000000 6.325000 0.000000
> 6.325000 1,000.000000 7.590000% 7.590000%
B 4,583.706350 0.000000 0.000000
> 0.000000 4,749.921786 0.000000% 0.000000%
RU 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.000000% 0.000000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Amy Paik
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: July 31, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: August 25, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 3
> (c) COPYRIGHT 1998 Bankers Trust Company
> CS First Boston Mortgag
>e Securities Corp.
> Preferred Mortgage Asse
>t-Backed Certificates
> Series 1997-1
> Lower-Tier REMIC
> Statement To Certific
>ateholders
> Distribution Date:
> August 25, 1998
> DELINQUENT LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> N/A 1,723,332.43 893,058.93 1,320,616.893,937,008.25
>
> PERCENTAGE OF POOL BALA
>NCE N/A 1.0548% 0.5466% 0.8083% 2.4097%
>
> NUMBER OF LOANS
> N/A 51 28 37 116
>
> PERCENTAGE OF LOANS
> N/A 1.0883% 0.5975% 0.7896% 2.4755%
>
> BANKRUPTCY LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 2,118,247. 387,322.03 322,648.25 1,561,223.294,389,441.01
>
> PERCENTAGE OF POOL BALA
>NCE 1.2965% 0.2371% 0.1975% 0.9556% 2.6866%
>
> NUMBER OF LOANS
> 62 12 10 48 132
>
> PERCENTAGE OF LOANS
> 1.3231% 0.2561% 0.2134% 1.0243% 2.8169%
>
> FORECLOSURE LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 0.00 0.00 0.00 0.00 0.00
>
> PERCENTAGE OF POOL BALA
>NCE 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> NUMBER OF LOANS
> 0 0 0 0 0
>
> PERCENTAGE OF LOANS
> 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> REO PROPERTY
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 0.00 0.00 0.00 0.00 0.00
>
> PERCENTAGE OF POOL BALA
>NCE 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> NUMBER OF LOANS
> 0 0 0 0 0
>
> PERCENTAGE OF LOANS
> 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> BOOK VALUE OF LOANS IN
>REO: 0.00
>
> ADDITIONAL INFORMATION
>CONCERNING ANY REO PROPERTY: (SEE ATTACH
>
> WEIGHTED AVERAGE MORTGA
>GE INTEREST RATE: 13.939627%
>
> WEIGHTED AVERAGE NET MO
>RTGAGE INTEREST RATE: 12.978127%
>
> WEIGHTED AVERAGE REMAIN
>ING TERM TO MATURITY: 163
>
> PRIOR NUMBER OF MORTGAG
>E LOANS INCLUDED IN THE POOL: 4,818
>
> NUMBER OF SUBSEQUENT MO
>RTGAGE LOANS ADDED TO THE POOL: 0
>
> CURRENT NUMBER OF MORTG
>AGE LOANS INCLUDED IN THE POOL: 4,686
>
> PRIOR AGGREGATE PRINCIP
>AL BALANCE OF THE MORTGAGE LOANS: 168,403,023.04
>
> SUBSEQUENT MORTGAGE LOA
>NS ADDED TO POOL PRINCIPAL BALANCE: 0.00
>
> CURRENT AGGREGATE PRINC
>IPAL BALANCE OF THE MORTGAGE LOANS: 163,379,845.55
>
>
> Page 2 of 3 (c) COPYRIGHT 1998 B
>
> CS First Boston Mortgag
>e Securities Corp.
> Preferred Mortgage Asse
>t-Backed Certificates
> Series 1997-1
> Lower-Tier REMIC
> Statement To Certific
>ateholders
> Distribution Date:
> August 25, 1998
> PRINCIPAL REMITTANCE AM
>OUNTS:
> SCHEDULE
>D PRINCIPAL: 338,512.19
>
> CURTAILM
>ENTS: 91,170.86
>
> PREPAYME
>NTS IN FULL: 2,997,266.24
>
> NET LIQU
>IDATION PROCEEDS: 33,781.49
>
> INSURANC
>E PRINCIPAL PROCEEDS: 0.00
>
> RELEASED
> MORTGAGED PROPERTY PROCEEDS: 0.00
>
> REPURCHA
>SED PRINCIPAL AMOUNTS: 0.00
>
> OVERCOLL
>ATERALIZATION INCREASE AMOUNT: 792,827.73
>
> SUBSTITU
>TION ADJUSTMENTS: 0.00
>
> PRE-FUND
>ED AMOUNTS DISTRIBUTED AS PRINCIPAL: 0.00
>
> TOTAL PRINCIPAL DISTRIB
>UTED: 4,253,558.51
>
> INSURED PAYMENT INCLUDE
>D IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS: 0.00
>
> REIMBURSEMENT AMOUNT PA
>ID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION: 0.00
>
> REQUIRED OVERCOLLATERAL
>IZATION LEVEL AS OF THE CURRENT REMITTANCE DATE: 23,000,000.00
>
> OVERCOLLATERALIZATION A
>MOUNT AS OF THE CURRENT DISTRIBUTION DATE: 13,787,665.09
>
> TOTAL REPURCHASE PRICE
>OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION DATE: 0.00
>
> CURRENT REALIZED LOSSES
> FOR THE RELATED COLLECTION PERIOD: 1,562,446.71
>
> CURRENT CUMULATIVE REAL
>IZED LOSSES TO DATE: 8,868,893.12
>
> REMAINING PRE-FUNDED AM
>OUNT: 0.00
>
>
> Page 3 of 3 (c) COPYRIGHT 1998 B
>
ED, IF ANY)
ankers Trust Company
ankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Lower-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
LT-1 478,000.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
LT-2 295,000.00 268,921.83 2,908.32 41,188.34
> 44,096.66 0.00 0.00 227,733.49
LT-3 232,000.00 232,000.00 2,509.02 0.00
> 2,509.02 0.00 0.00 232,000.00
LT-4 506,000.00 506,000.00 5,472.26 0.00
> 5,472.26 0.00 0.00 506,000.00
LT-5 115,000.00 115,000.00 1,243.69 0.00
> 1,243.69 0.00 0.00 115,000.00
LT-6 374,000.00 374,000.00 4,044.71 0.00
> 4,044.71 0.00 0.00 374,000.00
LT-A 155,816,106.79 160,112,248.56 1,692,976.04 3,228,382.01 4,
>921,358.05 825,081.62 0.00 156,058,784.93
LT-M 1,179,920.55 1,771,675.16 10,914.52 32,942.67
> 43,857.19 16,838.40 8,245.67 1,730,139.76
RL 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 158,996,027.34 163,379,845.55 1,720,068.56 3,302,513.02 5,
>022,581.58 841,920.02 8,245.67 159,243,658.18
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
LT-1 0.000000 0.000000 0.000000
> 0.000000 0.000000 12.97768% 12.97521%
LT-2 911.599424 9.858712 139.621492
>149.480203 771.977932 12.97768% 12.97521%
LT-3 1,000.000000 10.814741 0.000000
> 10.814741 1,000.000000 12.97768% 12.97521%
LT-4 1,000.000000 10.814743 0.000000
> 10.814743 1,000.000000 12.97768% 12.97521%
LT-5 1,000.000000 10.814696 0.000000
> 10.814696 1,000.000000 12.97768% 12.97521%
LT-6 1,000.000000 10.814733 0.000000
> 10.814733 1,000.000000 12.97768% 12.97521%
LT-A 1,027.571872 10.865218 20.719180
> 31.584399 1,001.557465 12.97768% 12.97521%
LT-M 1,501.520725 9.250216 27.919397
> 37.169613 1,466.318864 12.97768% 12.97521%
RL 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.00000% 0.00000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Amy Paik
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: August 31, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: September 25, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 1
> (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Upper-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
A-1 47,800,000.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
A-2 29,500,000.00 26,892,180.46 150,372.11 4,118,834.12 4,
>269,206.23 0.00 0.00 22,773,346.34
A-3 23,200,000.00 23,200,000.00 133,593.33 0.00
>133,593.33 0.00 0.00 23,200,000.00
A-4 50,600,000.00 50,600,000.00 301,491.67 0.00
>301,491.67 0.00 0.00 50,600,000.00
A-5 11,500,000.00 11,500,000.00 70,820.83 0.00
> 70,820.83 0.00 0.00 11,500,000.00
A-6 37,400,000.00 37,400,000.00 236,555.00 0.00
>236,555.00 0.00 0.00 37,400,000.00
B 4,769,880.27 22,656,558.21 0.00 0.00
> 0.00 0.00 824,566.77 23,481,124.98
RU 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 204,769,880.27 172,248,738.67 892,832.94 4,118,834.12 5,
>011,667.06 0.00 824,566.77 168,954,471.32
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
A-1 126342GH1 0.000000 0.000000 0.000000
> 0.000000 0.000000 6.20000% 6.20000%
A-2 126342GJ7 911.599338 5.097360 139.621496
>144.718855 771.977842 6.71000% 6.71000%
A-3 126342GK4 1,000.000000 5.758333 0.000000
> 5.758333 1,000.000000 6.91000% 6.91000%
A-4 126342GL2 1,000.000000 5.958333 0.000000
> 5.958333 1,000.000000 7.15000% 7.15000%
A-5 126342GM0 1,000.000000 6.158333 0.000000
> 6.158333 1,000.000000 7.39000% 7.39000%
A-6 126342GN8 1,000.000000 6.325000 0.000000
> 6.325000 1,000.000000 7.59000% 7.59000%
B 4,749.921786 0.000000 0.000000
> 0.000000 4,922.791276 0.00000% 0.00000%
RU 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.00000% 0.00000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Amy Paik
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: August 31, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: September 25, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 3
> (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Statement To Certificateholders
Distribution Date: September 25, 1998
DELINQUENT LOAN 0 TO 29 3
>0 TO 59 60 TO 89 90 PLUS
INFORMATION DAYS
> DAYS DAYS DAYS TOTAL
PRINCIPAL BALANCE #N/A 1,
>712,435.00 883,584.54 1,798,883.89 4,394,903.43
PERCENTAGE OF POOL BALANCE #N/A
> 1.0754% 0.5549% 1.1296% 2.7599%
NUMBER OF LOANS #N/A
> 54 28 53 135
PERCENTAGE OF LOANS #N/A
> 1.1790% 0.6114% 1.1572% 2.9476%
BANKRUPTCY LOAN 0 TO 29 3
>0 TO 59 60 TO 89 90 PLUS
INFORMATION DAYS
> DAYS DAYS DAYS TOTAL
PRINCIPAL BALANCE 2,423,145.99
>271,335.38 430,656.76 995,886.97 4,121,025.10
PERCENTAGE OF POOL BALANCE 1.5217%
> 0.1704% 0.2704% 0.6254% 2.5879%
NUMBER OF LOANS 71
> 8 12 32 123
PERCENTAGE OF LOANS 1.5502%
> 0.1747% 0.2620% 0.6987% 2.6856%
FORECLOSURE LOAN 0 TO 29 3
>0 TO 59 60 TO 89 90 PLUS
INFORMATION DAYS
> DAYS DAYS DAYS TOTAL
PRINCIPAL BALANCE 0.00
> 0.00 0.00 29,113.86 29,113.86
PERCENTAGE OF POOL BALANCE 0.0000%
> 0.0000% 0.0000% 0.0183% 0.0183%
NUMBER OF LOANS 0
> 0 0 1 1
PERCENTAGE OF LOANS 0.0000%
> 0.0000% 0.0000% 0.0218% 0.0218%
REO PROPERTY 0 TO 29 3
>0 TO 59 60 TO 89 90 PLUS
INFORMATION DAYS
> DAYS DAYS DAYS TOTAL
PRINCIPAL BALANCE 0.00
> 0.00 0.00 0.00 0.00
PERCENTAGE OF POOL BALANCE 0.0000%
> 0.0000% 0.0000% 0.0000% 0.0000%
NUMBER OF LOANS 0
> 0 0 0 0
PERCENTAGE OF LOANS 0.0000%
> 0.0000% 0.0000% 0.0000% 0.0000%
BOOK VALUE OF LOANS IN REO:
> 0.00
ADDITIONAL INFORMATION CONCERNING ANY REO PROPERTY:
> (SEE ATTACHED, IF ANY)
WEIGHTED AVERAGE MORTGAGE INTEREST RATE:
> 13.939180%
WEIGHTED AVERAGE NET MORTGAGE INTEREST RATE:
> 12.977680%
WEIGHTED AVERAGE REMAINING TERM TO MATURITY:
> 162
PRIOR NUMBER OF MORTGAGE LOANS INCLUDED IN THE POOL:
> 4,686
NUMBER OF SUBSEQUENT MORTGAGE LOANS ADDED TO THE POOL:
> 0
CURRENT NUMBER OF MORTGAGE LOANS INCLUDED IN THE POOL:
> 4,580
PRIOR AGGREGATE PRINCIPAL BALANCE OF THE MORTGAGE LOANS:
> 163,379,845.55
SUBSEQUENT MORTGAGE LOANS ADDED TO POOL PRINCIPAL BALANCE:
> 0.00
CURRENT AGGREGATE PRINCIPAL BALANCE OF THE MORTGAGE LOANS:
> 159,243,658.18
Page 2 of 3
> (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Statement To Certificateholders
Distribution Date: September 25, 1998
PRINCIPAL REMITTANCE AMOUNTS:
SCHEDULED PRINCIPAL:
> 337,991.77
CURTAILMENTS:
> 95,068.52
PREPAYMENTS IN FULL:
> 2,854,497.43
NET LIQUIDATION PROCEEDS:
> 6,709.63
INSURANCE PRINCIPAL PROCEEDS:
> 0.00
RELEASED MORTGAGED PROPERTY PROCEEDS:
> 0.00
REPURCHASED PRINCIPAL AMOUNTS:
> 0.00
OVERCOLLATERALIZATION INCREASE AMOUNT:
> 824,566.77
SUBSTITUTION ADJUSTMENTS:
> 0.00
PRE-FUNDED AMOUNTS DISTRIBUTED AS PRINCIPAL:
> 0.00
TOTAL PRINCIPAL DISTRIBUTED:
> 4,118,834.12
INSURED PAYMENT INCLUDED IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS:
> 0.00
REIMBURSEMENT AMOUNT PAID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION:
> 0.00
REQUIRED OVERCOLLATERALIZATION LEVEL AS OF THE CURRENT REMITTANCE DATE:
> 23,000,000.00
OVERCOLLATERALIZATION AMOUNT AS OF THE CURRENT DISTRIBUTION DATE:
> 13,770,311.84
TOTAL REPURCHASE PRICE OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION
>DATE: 0.00
CURRENT REALIZED LOSSES FOR THE RELATED COLLECTION PERIOD:
> 841,920.02
CURRENT CUMULATIVE REALIZED LOSSES TO DATE:
> 9,710,813.14
REMAINING PRE-FUNDED AMOUNT:
> 0.00
Page 3 of 3
> (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Lower-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
LT-1 478,000.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
LT-2 295,000.00 227,733.49 2,462.41 50,700.35
> 53,162.76 0.00 0.00 177,033.14
LT-3 232,000.00 232,000.00 2,508.54 0.00
> 2,508.54 0.00 0.00 232,000.00
LT-4 506,000.00 506,000.00 5,471.21 0.00
> 5,471.21 0.00 0.00 506,000.00
LT-5 115,000.00 115,000.00 1,243.46 0.00
> 1,243.46 0.00 0.00 115,000.00
LT-6 374,000.00 374,000.00 4,043.94 0.00
> 4,043.94 0.00 0.00 374,000.00
LT-A 155,816,106.79 156,058,784.93 1,630,843.53 4,199,710.00 5,
>830,553.53 1,025,178.64 0.00 150,833,896.29
LT-M 1,179,920.55 1,730,139.76 10,861.27 42,854.18
> 53,715.45 20,922.01 7,846.17 1,674,209.74
RL 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 158,996,027.34 159,243,658.18 1,657,434.36 4,293,264.53 5,
>950,698.89 1,046,100.65 7,846.17 153,912,139.17
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
LT-1 0.000000 0.000000 0.000000
> 0.000000 0.000000 12.975212% 12.978572%
LT-2 771.977932 8.347153 171.865593
>180.212746 600.112339 12.975212% 12.978572%
LT-3 1,000.000000 10.812672 0.000000
> 10.812672 1,000.000000 12.975212% 12.978572%
LT-4 1,000.000000 10.812668 0.000000
> 10.812668 1,000.000000 12.975212% 12.978572%
LT-5 1,000.000000 10.812696 0.000000
> 10.812696 1,000.000000 12.975212% 12.978572%
LT-6 1,000.000000 10.812674 0.000000
> 10.812674 1,000.000000 12.975212% 12.978572%
LT-A 1,001.557465 10.466463 26.952990
> 37.419453 968.025061 12.975212% 12.978572%
LT-M 1,466.318864 9.205086 36.319547
> 45.524633 1,418.917350 12.975212% 12.978572%
RL 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.000000% 0.000000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Amy Paik
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: September 30, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: October 26, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 1
> (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Upper-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
A-1 47,800,000.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
A-2 29,500,000.00 22,773,346.34 127,340.96 5,070,035.83 5,
>197,376.79 0.00 0.00 17,703,310.51
A-3 23,200,000.00 23,200,000.00 133,593.33 0.00
>133,593.33 0.00 0.00 23,200,000.00
A-4 50,600,000.00 50,600,000.00 301,491.67 0.00
>301,491.67 0.00 0.00 50,600,000.00
A-5 11,500,000.00 11,500,000.00 70,820.83 0.00
> 70,820.83 0.00 0.00 11,500,000.00
A-6 37,400,000.00 37,400,000.00 236,555.00 0.00
>236,555.00 0.00 0.00 37,400,000.00
B 4,769,880.27 23,481,124.98 0.00 0.00
> 0.00 0.00 784,617.47 24,265,742.45
RU 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 204,769,880.27 168,954,471.32 869,801.79 5,070,035.83 5,
>939,837.62 0.00 784,617.47 164,669,052.96
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
A-1 126342GH1 0.000000 0.000000 0.000000
> 0.000000 0.000000 6.200000% 6.200000%
A-2 126342GJ7 771.977842 4.316643 171.865621
>176.182264 600.112221 6.710000% 6.710000%
A-3 126342GK4 1,000.000000 5.758333 0.000000
> 5.758333 1,000.000000 6.910000% 6.910000%
A-4 126342GL2 1,000.000000 5.958333 0.000000
> 5.958333 1,000.000000 7.150000% 7.150000%
A-5 126342GM0 1,000.000000 6.158333 0.000000
> 6.158333 1,000.000000 7.390000% 7.390000%
A-6 126342GN8 1,000.000000 6.325000 0.000000
> 6.325000 1,000.000000 7.590000% 7.590000%
B 4,922.791276 0.000000 0.000000
> 0.000000 5,087.285440 0.000000% 0.000000%
RU 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.000000% 0.000000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Amy Paik
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: September 30, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: October 26, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 3
> (c) COPYRIGHT 1998 Bankers Trust Company
> CS First Boston Mortgag
>e Securities Corp.
> Preferred Mortgage Asse
>t-Backed Certificates
> Series 1997-1
> Lower-Tier REMIC
> Statement To Certific
>ateholders
> Distribution Date:
> October 26, 1998
> DELINQUENT LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> N/A 2,305,804.49 740,875.45 1,661,725.044,708,404.98
>
> PERCENTAGE OF POOL BALA
>NCE N/A 1.4981% 0.4814% 1.0797% 3.0592%
>
> NUMBER OF LOANS
> N/A 75 22 51 148
>
> PERCENTAGE OF LOANS
> N/A 1.6907% 0.4959% 1.1497% 3.3363%
>
> BANKRUPTCY LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 2,740,497. 524,594.41 334,006.03 926,832.78 4,525,930.38
>
> PERCENTAGE OF POOL BALA
>NCE 1.7806% 0.3408% 0.2170% 0.6022% 2.9406%
>
> NUMBER OF LOANS
> 79 16 10 28 133
>
> PERCENTAGE OF LOANS
> 1.7809% 0.3607% 0.2254% 0.6312% 2.9982%
>
> FORECLOSURE LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 0.00 0.00 0.00 0.00 0.00
>
> PERCENTAGE OF POOL BALA
>NCE 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> NUMBER OF LOANS
> 0 0 0 0 0
>
> PERCENTAGE OF LOANS
> 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> REO PROPERTY
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 0.00 0.00 0.00 0.00 0.00
>
> PERCENTAGE OF POOL BALA
>NCE 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> NUMBER OF LOANS
> 0 0 0 0 0
>
> PERCENTAGE OF LOANS
> 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> BOOK VALUE OF LOANS IN
>REO: 0.00
>
> ADDITIONAL INFORMATION
>CONCERNING ANY REO PROPERTY: (SEE ATTACH
>
> WEIGHTED AVERAGE MORTGA
>GE INTEREST RATE: 13.936712%
>
> WEIGHTED AVERAGE NET MO
>RTGAGE INTEREST RATE: 12.975212%
>
> WEIGHTED AVERAGE REMAIN
>ING TERM TO MATURITY: 161
>
> PRIOR NUMBER OF MORTGAG
>E LOANS INCLUDED IN THE POOL: 4,580
>
> NUMBER OF SUBSEQUENT MO
>RTGAGE LOANS ADDED TO THE POOL: 0
>
> CURRENT NUMBER OF MORTG
>AGE LOANS INCLUDED IN THE POOL: 4,436
>
> PRIOR AGGREGATE PRINCIP
>AL BALANCE OF THE MORTGAGE LOANS: 159,243,658.18
>
> SUBSEQUENT MORTGAGE LOA
>NS ADDED TO POOL PRINCIPAL BALANCE: 0.00
>
> CURRENT AGGREGATE PRINC
>IPAL BALANCE OF THE MORTGAGE LOANS: 153,912,139.17
>
>
> Page 2 of 3 (c) COPYRIGHT 1998 B
>
> CS First Boston Mortgag
>e Securities Corp.
> Preferred Mortgage Asse
>t-Backed Certificates
> Series 1997-1
> Lower-Tier REMIC
> Statement To Certific
>ateholders
> Distribution Date:
> October 26, 1998
> PRINCIPAL REMITTANCE AM
>OUNTS:
> SCHEDULE
>D PRINCIPAL: 311,825.80
>
> CURTAILM
>ENTS: 34,696.82
>
> PREPAYME
>NTS IN FULL: 3,894,198.84
>
> NET LIQU
>IDATION PROCEEDS: 44,696.90
>
> INSURANC
>E PRINCIPAL PROCEEDS: 0.00
>
> RELEASED
> MORTGAGED PROPERTY PROCEEDS: 0.00
>
> REPURCHA
>SED PRINCIPAL AMOUNTS: 0.00
>
> OVERCOLL
>ATERALIZATION INCREASE AMOUNT: 784,617.47
>
> SUBSTITU
>TION ADJUSTMENTS: 0.00
>
> PRE-FUND
>ED AMOUNTS DISTRIBUTED AS PRINCIPAL: 0.00
>
> TOTAL PRINCIPAL DISTRIB
>UTED: 5,070,035.83
>
> INSURED PAYMENT INCLUDE
>D IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS: 0.00
>
> REIMBURSEMENT AMOUNT PA
>ID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION: 0.00
>
> REQUIRED OVERCOLLATERAL
>IZATION LEVEL AS OF THE CURRENT REMITTANCE DATE: 23,000,000.00
>
> OVERCOLLATERALIZATION A
>MOUNT AS OF THE CURRENT DISTRIBUTION DATE: 13,508,828.66
>
> TOTAL REPURCHASE PRICE
>OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION DATE: 0.00
>
> CURRENT REALIZED LOSSES
> FOR THE RELATED COLLECTION PERIOD: 1,046,100.65
>
> CURRENT CUMULATIVE REAL
>IZED LOSSES TO DATE: 10,756,913.79
>
> REMAINING PRE-FUNDED AM
>OUNT: 0.00
>
>
> Page 3 of 3 (c) COPYRIGHT 1998 B
>
ED, IF ANY)
ankers Trust Company
ankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Lower-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
LT-1 478,000.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
LT-2 295,000.00 177,033.14 1,914.70 48,744.31
> 50,659.01 0.00 0.00 128,288.83
LT-3 232,000.00 232,000.00 2,509.19 0.00
> 2,509.19 0.00 0.00 232,000.00
LT-4 506,000.00 506,000.00 5,472.63 0.00
> 5,472.63 0.00 0.00 506,000.00
LT-5 115,000.00 115,000.00 1,243.78 0.00
> 1,243.78 0.00 0.00 115,000.00
LT-6 374,000.00 374,000.00 4,044.99 0.00
> 4,044.99 0.00 0.00 374,000.00
LT-A 155,816,106.79 150,833,896.29 1,587,206.48 4,023,688.84 5,
>610,895.32 736,181.16 0.00 146,074,026.29
LT-M 1,179,920.55 1,674,209.74 10,421.12 41,058.05
> 51,479.17 15,024.11 7,686.26 1,625,813.84
RL 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 158,996,027.34 153,912,139.17 1,612,812.89 4,113,491.20 5,
>726,304.09 751,205.27 7,686.26 149,055,128.96
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
LT-1 0.000000 0.000000 0.000000
> 0.000000 0.000000 12.978572% 12.978173%
LT-2 600.112339 6.490508 165.234949
>171.725458 434.877390 12.978572% 12.978173%
LT-3 1,000.000000 10.815474 0.000000
> 10.815474 1,000.000000 12.978572% 12.978173%
LT-4 1,000.000000 10.815474 0.000000
> 10.815474 1,000.000000 12.978572% 12.978173%
LT-5 1,000.000000 10.815478 0.000000
> 10.815478 1,000.000000 12.978572% 12.978173%
LT-6 1,000.000000 10.815481 0.000000
> 10.815481 1,000.000000 12.978572% 12.978173%
LT-A 968.025061 10.186408 25.823318
> 36.009726 937.477064 12.978572% 12.978173%
LT-M 1,418.917350 8.832052 34.797301
> 43.629353 1,377.901114 12.978572% 12.978173%
RL 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.000000% 0.000000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Jennifer Bohannon
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: October 30, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: November 25, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 1
> (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Upper-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
A-1 47,800,000.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
A-2 29,500,000.00 17,703,310.51 98,991.01 4,874,431.13 4,
>973,422.14 0.00 0.00 12,828,879.38
A-3 23,200,000.00 23,200,000.00 133,593.33 0.00
>133,593.33 0.00 0.00 23,200,000.00
A-4 50,600,000.00 50,600,000.00 301,491.67 0.00
>301,491.67 0.00 0.00 50,600,000.00
A-5 11,500,000.00 11,500,000.00 70,820.83 0.00
> 70,820.83 0.00 0.00 11,500,000.00
A-6 37,400,000.00 37,400,000.00 236,555.00 0.00
>236,555.00 0.00 0.00 37,400,000.00
B 4,769,880.27 24,265,742.45 0.00 0.00
> 0.00 0.00 768,626.19 25,034,368.64
RU 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 204,769,880.27 164,669,052.96 841,451.84 4,874,431.13 5,
>715,882.97 0.00 768,626.19 160,563,248.02
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
A-1 126342GH1 0.000000 0.000000 0.000000
> 0.000000 0.000000 6.200000% 6.200000%
A-2 126342GJ7 600.112221 3.355627 165.234954
>168.590581 434.877267 6.710000% 6.710000%
A-3 126342GK4 1,000.000000 5.758333 0.000000
> 5.758333 1,000.000000 6.910000% 6.910000%
A-4 126342GL2 1,000.000000 5.958333 0.000000
> 5.958333 1,000.000000 7.150000% 7.150000%
A-5 126342GM0 1,000.000000 6.158333 0.000000
> 6.158333 1,000.000000 7.390000% 7.390000%
A-6 126342GN8 1,000.000000 6.325000 0.000000
> 6.325000 1,000.000000 7.590000% 7.590000%
B 5,087.285440 0.000000 0.000000
> 0.000000 5,248.427051 0.000000% 0.000000%
RU 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.000000% 0.000000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Jennifer Bohannon
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: October 30, 1998
> Irvine, CA 92714
DISTRIBUTION DATE: November 25, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 3
> (c) COPYRIGHT 1998 Bankers Trust Company
> CS First Boston Mortgag
>e Securities Corp.
> Preferred Mortgage Asse
>t-Backed Certificates
> Series 1997-1
> Lower-Tier REMIC
> Statement To Certific
>ateholders
> Distribution Date:
> November 25, 1998
> DELINQUENT LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> N/A 1,835,017.12 925,767.83 1,795,974.024,556,758.97
>
> PERCENTAGE OF POOL BALA
>NCE N/A 1.2311% 0.6211% 1.2049% 3.0571%
>
> NUMBER OF LOANS
> N/A 59 30 55 144
>
> PERCENTAGE OF LOANS
> N/A 1.3692% 0.6962% 1.2764% 3.3418%
>
> BANKRUPTCY LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 2,974,438. 531,823.45 370,560.69 858,890.86 4,735,713.33
>
> PERCENTAGE OF POOL BALA
>NCE 1.9955% 0.3568% 0.2486% 0.5762% 3.1772%
>
> NUMBER OF LOANS
> 80 16 11 25 132
>
> PERCENTAGE OF LOANS
> 1.8566% 0.3713% 0.2553% 0.5802% 3.0634%
>
> FORECLOSURE LOAN
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 0.00 0.00 0.00 24,457.35 24,457.35
>
> PERCENTAGE OF POOL BALA
>NCE 0.0000% 0.0000% 0.0000% 0.0164% 0.0164%
>
> NUMBER OF LOANS
> 0 0 0 1 1
>
> PERCENTAGE OF LOANS
> 0.0000% 0.0000% 0.0000% 0.0232% 0.0232%
>
> REO PROPERTY
> 0 TO 29 30 TO 59 60 TO 89 90 PLUS
> INFORMATION
> DAYS DAYS DAYS DAYS TOTAL
>
> PRINCIPAL BALANCE
> 0.00 0.00 0.00 0.00 0.00
>
> PERCENTAGE OF POOL BALA
>NCE 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> NUMBER OF LOANS
> 0 0 0 0 0
>
> PERCENTAGE OF LOANS
> 0.0000% 0.0000% 0.0000% 0.0000% 0.0000%
>
> BOOK VALUE OF LOANS IN
>REO: 0.00
>
> ADDITIONAL INFORMATION
>CONCERNING ANY REO PROPERTY: (SEE ATTACH
>
> WEIGHTED AVERAGE MORTGA
>GE INTEREST RATE: 13.940072%
>
> WEIGHTED AVERAGE NET MO
>RTGAGE INTEREST RATE: 12.978572%
>
> WEIGHTED AVERAGE REMAIN
>ING TERM TO MATURITY: 160
>
> PRIOR NUMBER OF MORTGAG
>E LOANS INCLUDED IN THE POOL: 4,436
>
> NUMBER OF SUBSEQUENT MO
>RTGAGE LOANS ADDED TO THE POOL: 0
>
> CURRENT NUMBER OF MORTG
>AGE LOANS INCLUDED IN THE POOL: 4,309
>
> PRIOR AGGREGATE PRINCIP
>AL BALANCE OF THE MORTGAGE LOANS: 153,912,139.17
>
> SUBSEQUENT MORTGAGE LOA
>NS ADDED TO POOL PRINCIPAL BALANCE: 0.00
>
> CURRENT AGGREGATE PRINC
>IPAL BALANCE OF THE MORTGAGE LOANS: 149,055,128.96
>
>
> Page 2 of 3 (c) COPYRIGHT 1998 B
>
> CS First Boston Mortgag
>e Securities Corp.
> Preferred Mortgage Asse
>t-Backed Certificates
> Series 1997-1
> Lower-Tier REMIC
> Statement To Certific
>ateholders
> Distribution Date:
> November 25, 1998
> PRINCIPAL REMITTANCE AM
>OUNTS:
> SCHEDULE
>D PRINCIPAL: 327,691.50
>
> CURTAILM
>ENTS: 79,655.66
>
> PREPAYME
>NTS IN FULL: 4,449,663.05
>
> NET LIQU
>IDATION PROCEEDS: (751,205.27)
>
> INSURANC
>E PRINCIPAL PROCEEDS: 0.00
>
> RELEASED
> MORTGAGED PROPERTY PROCEEDS: 0.00
>
> REPURCHA
>SED PRINCIPAL AMOUNTS: 0.00
>
> OVERCOLL
>ATERALIZATION INCREASE AMOUNT: 768,626.19
>
> SUBSTITU
>TION ADJUSTMENTS: 0.00
>
> PRE-FUND
>ED AMOUNTS DISTRIBUTED AS PRINCIPAL: 0.00
>
> TOTAL PRINCIPAL DISTRIB
>UTED: 4,874,431.13
>
> INSURED PAYMENT INCLUDE
>D IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS: 0.00
>
> REIMBURSEMENT AMOUNT PA
>ID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION: 0.00
>
> REQUIRED OVERCOLLATERAL
>IZATION LEVEL AS OF THE CURRENT REMITTANCE DATE: 23,000,000.00
>
> OVERCOLLATERALIZATION A
>MOUNT AS OF THE CURRENT DISTRIBUTION DATE: 13,526,249.58
>
> TOTAL REPURCHASE PRICE
>OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION DATE: 0.00
>
> CURRENT REALIZED LOSSES
> FOR THE RELATED COLLECTION PERIOD: 751,205.27
>
> CURRENT CUMULATIVE REAL
>IZED LOSSES TO DATE: 11,508,119.06
>
> REMAINING PRE-FUNDED AM
>OUNT: 0.00
>
>
> Page 3 of 3 (c) COPYRIGHT 1998 B
>
ED, IF ANY)
ankers Trust Company
ankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Lower-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
LT-1 478,000.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
LT-2 295,000.00 128,288.83 1,387.46 39,640.04
> 41,027.50 0.00 0.00 88,648.79
LT-3 232,000.00 232,000.00 2,509.11 0.00
> 2,509.11 0.00 0.00 232,000.00
LT-4 506,000.00 506,000.00 5,472.46 0.00
> 5,472.46 0.00 0.00 506,000.00
LT-5 115,000.00 115,000.00 1,243.74 0.00
> 1,243.74 0.00 0.00 115,000.00
LT-6 374,000.00 374,000.00 4,044.86 0.00
> 4,044.86 0.00 0.00 374,000.00
LT-A 155,816,106.79 146,074,026.29 1,564,919.14 3,127,074.34 4,
>691,993.48 613,119.64 0.00 142,333,832.31
LT-M 1,179,920.55 1,625,813.84 9,852.29 31,908.92
> 41,761.21 12,512.65 7,731.12 1,589,123.39
RL 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 158,996,027.34 149,055,128.96 1,589,429.06 3,198,623.30 4,
>788,052.36 625,632.29 7,731.12 145,238,604.49
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
LT-1 0.000000 0.000000 0.000000
> 0.000000 0.000000 12.97817% 12.97621%
LT-2 434.877390 4.703254 134.373017
>139.076271 300.504373 12.97817% 12.97621%
LT-3 1,000.000000 10.815129 0.000000
> 10.815129 1,000.000000 12.97817% 12.97621%
LT-4 1,000.000000 10.815138 0.000000
> 10.815138 1,000.000000 12.97817% 12.97621%
LT-5 1,000.000000 10.815130 0.000000
> 10.815130 1,000.000000 12.97817% 12.97621%
LT-6 1,000.000000 10.815134 0.000000
> 10.815134 1,000.000000 12.97817% 12.97621%
LT-A 937.477064 10.043372 20.069006
> 30.112378 913.473166 12.97817% 12.97621%
LT-M 1,377.901114 8.349961 27.043278
> 35.393239 1,346.805418 12.97817% 12.97621%
RL 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.00000% 0.00000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Jennifer Bohannon
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: November 30, 1998
> Irvine, CA 92614
DISTRIBUTION DATE: December 28, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 1
> (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Upper-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
A-1 47,800,000.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
A-2 29,500,000.00 12,828,879.39 71,734.82 3,964,004.42 4,
>035,739.24 0.00 0.00 8,864,874.97
A-3 23,200,000.00 23,200,000.00 133,593.33 0.00
>133,593.33 0.00 0.00 23,200,000.00
A-4 50,600,000.00 50,600,000.00 301,491.67 0.00
>301,491.67 0.00 0.00 50,600,000.00
A-5 11,500,000.00 11,500,000.00 70,820.83 0.00
> 70,820.83 0.00 0.00 11,500,000.00
A-6 37,400,000.00 37,400,000.00 236,555.00 0.00
>236,555.00 0.00 0.00 37,400,000.00
B 4,769,880.27 25,034,368.63 0.00 0.00
> 0.00 0.00 773,112.24 25,807,480.87
RU 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 204,769,880.27 160,563,248.02 814,195.65 3,964,004.42 4,
>778,200.07 0.00 773,112.24 157,372,355.84
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
A-1 126342GH1 0.000000 0.000000 0.000000
> 0.000000 0.000000 6.20000% 6.20000%
A-2 126342GJ7 434.877267 2.431689 134.373031
>136.804720 300.504236 6.71000% 6.71000%
A-3 126342GK4 1,000.000000 5.758333 0.000000
> 5.758333 1,000.000000 6.91000% 6.91000%
A-4 126342GL2 1,000.000000 5.958333 0.000000
> 5.958333 1,000.000000 7.15000% 7.15000%
A-5 126342GM0 1,000.000000 6.158333 0.000000
> 6.158333 1,000.000000 7.39000% 7.39000%
A-6 126342GN8 1,000.000000 6.325000 0.000000
> 6.325000 1,000.000000 7.59000% 7.59000%
B 5,248.427049 0.000000 0.000000
> 0.000000 5,410.509155 0.00000% 0.00000%
RU 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.00000% 0.00000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Jennifer Bohannon
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: November 30, 1998
> Irvine, CA 92614
DISTRIBUTION DATE: December 28, 1998
> FACTOR INFORMATION(800) 735-7777
Page 1 of 3
> (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Statement To Certificateholders
Distribution Date: December 28, 1998
DELINQUENT LOAN 0 TO 29 3
>0 TO 59 60 TO 89 90 PLUS
INFORMATION DAYS
> DAYS DAYS DAYS TOTAL
PRINCIPAL BALANCE #N/A 1,
>887,868.53 1,103,073.68 1,762,701.16 4,753,643.37
PERCENTAGE OF POOL BALANCE #N/A
> 1.2998% 0.7595% 1.2137% 3.2730%
NUMBER OF LOANS #N/A
> 58 32 52 142
PERCENTAGE OF LOANS #N/A
> 1.3780% 0.7603% 1.2354% 3.3737%
BANKRUPTCY LOAN 0 TO 29 3
>0 TO 59 60 TO 89 90 PLUS
INFORMATION DAYS
> DAYS DAYS DAYS TOTAL
PRINCIPAL BALANCE 2,709,977.29
>496,151.63 200,286.18 953,509.76 4,359,924.86
PERCENTAGE OF POOL BALANCE 1.8659%
> 0.3416% 0.1379% 0.6565% 3.0019%
NUMBER OF LOANS 73
> 14 7 29 123
PERCENTAGE OF LOANS 1.7344%
> 0.3326% 0.1663% 0.6890% 2.9223%
FORECLOSURE LOAN 0 TO 29 3
>0 TO 59 60 TO 89 90 PLUS
INFORMATION DAYS
> DAYS DAYS DAYS TOTAL
PRINCIPAL BALANCE 0.00
> 0.00 0.00 24,457.35 24,457.35
PERCENTAGE OF POOL BALANCE 0.0000%
> 0.0000% 0.0000% 0.0168% 0.0168%
NUMBER OF LOANS 0
> 0 0 1 1
PERCENTAGE OF LOANS 0.0000%
> 0.0000% 0.0000% 0.0238% 0.0238%
REO PROPERTY 0 TO 29 3
>0 TO 59 60 TO 89 90 PLUS
INFORMATION DAYS
> DAYS DAYS DAYS TOTAL
PRINCIPAL BALANCE 0.00
> 0.00 0.00 0.00 0.00
PERCENTAGE OF POOL BALANCE 0.0000%
> 0.0000% 0.0000% 0.0000% 0.0000%
NUMBER OF LOANS 0
> 0 0 0 0
PERCENTAGE OF LOANS 0.0000%
> 0.0000% 0.0000% 0.0000% 0.0000%
BOOK VALUE OF LOANS IN REO:
> 0.00
ADDITIONAL INFORMATION CONCERNING ANY REO PROPERTY:
> (SEE ATTACHED, IF ANY)
WEIGHTED AVERAGE MORTGAGE INTEREST RATE:
> 13.939673%
WEIGHTED AVERAGE NET MORTGAGE INTEREST RATE:
> 12.978173%
WEIGHTED AVERAGE REMAINING TERM TO MATURITY:
> 159
PRIOR NUMBER OF MORTGAGE LOANS INCLUDED IN THE POOL:
> 4,309
NUMBER OF SUBSEQUENT MORTGAGE LOANS ADDED TO THE POOL:
> 0
CURRENT NUMBER OF MORTGAGE LOANS INCLUDED IN THE POOL:
> 4,209
PRIOR AGGREGATE PRINCIPAL BALANCE OF THE MORTGAGE LOANS:
> 149,055,128.96
SUBSEQUENT MORTGAGE LOANS ADDED TO POOL PRINCIPAL BALANCE:
> 0.00
CURRENT AGGREGATE PRINCIPAL BALANCE OF THE MORTGAGE LOANS:
> 145,238,604.49
Page 2 of 3
> (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Statement To Certificateholders
Distribution Date: December 28, 1998
PRINCIPAL REMITTANCE AMOUNTS:
SCHEDULED PRINCIPAL:
> 315,271.40
CURTAILMENTS:
> 48,460.49
PREPAYMENTS IN FULL:
> 2,734,091.61
NET LIQUIDATION PROCEEDS:
> 93,068.68
INSURANCE PRINCIPAL PROCEEDS:
> 0.00
RELEASED MORTGAGED PROPERTY PROCEEDS:
> 0.00
REPURCHASED PRINCIPAL AMOUNTS:
> 0.00
OVERCOLLATERALIZATION INCREASE AMOUNT:
> 773,112.24
SUBSTITUTION ADJUSTMENTS:
> 0.00
PRE-FUNDED AMOUNTS DISTRIBUTED AS PRINCIPAL:
> 0.00
TOTAL PRINCIPAL DISTRIBUTED:
> 3,964,004.42
INSURED PAYMENT INCLUDED IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS:
> 0.00
REIMBURSEMENT AMOUNT PAID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION:
> 0.00
REQUIRED OVERCOLLATERALIZATION LEVEL AS OF THE CURRENT REMITTANCE DATE:
> 23,000,000.00
OVERCOLLATERALIZATION AMOUNT AS OF THE CURRENT DISTRIBUTION DATE:
> 13,673,729.52
TOTAL REPURCHASE PRICE OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION
>DATE: 0.00
CURRENT REALIZED LOSSES FOR THE RELATED COLLECTION PERIOD:
> 625,632.29
CURRENT CUMULATIVE REALIZED LOSSES TO DATE:
> 12,133,751.35
REMAINING PRE-FUNDED AMOUNT:
> 0.00
Page 3 of 3
> (c) COPYRIGHT 1998 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Lower-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
LT-1 478,000.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
LT-2 295,000.00 88,648.79 958.60 49,470.44
> 50,429.04 0.00 0.00 39,178.35
LT-3 232,000.00 232,000.00 2,508.73 0.00
> 2,508.73 0.00 0.00 232,000.00
LT-4 506,000.00 506,000.00 5,471.64 0.00
> 5,471.64 0.00 0.00 506,000.00
LT-5 115,000.00 115,000.00 1,243.55 0.00
> 1,243.55 0.00 0.00 115,000.00
LT-6 374,000.00 374,000.00 4,044.25 0.00
> 4,044.25 0.00 0.00 374,000.00
LT-A 155,816,106.79 142,333,832.31 1,521,854.07 4,111,568.26 5,
>633,422.33 785,913.70 0.00 137,436,350.35
LT-M 1,179,920.55 1,589,123.39 9,668.34 41,954.78
> 51,623.12 16,039.05 7,515.66 1,538,645.22
RL 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 158,996,027.34 145,238,604.49 1,545,749.18 4,202,993.48 5,
>748,742.66 801,952.75 7,515.66 140,241,173.92
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
LT-1 0.000000 0.000000 0.000000
> 0.000000 0.000000 12.97621% 12.97989%
LT-2 300.504373 3.249492 167.696407
>170.945898 132.807966 12.97621% 12.97989%
LT-3 1,000.000000 10.813491 0.000000
> 10.813491 1,000.000000 12.97621% 12.97989%
LT-4 1,000.000000 10.813518 0.000000
> 10.813518 1,000.000000 12.97621% 12.97989%
LT-5 1,000.000000 10.813478 0.000000
> 10.813478 1,000.000000 12.97621% 12.97989%
LT-6 1,000.000000 10.813503 0.000000
> 10.813503 1,000.000000 12.97621% 12.97989%
LT-A 913.473166 9.766988 26.387312
> 36.154300 882.041999 12.97621% 12.97989%
LT-M 1,346.805418 8.194060 35.557292
> 43.751353 1,304.024428 12.97621% 12.97989%
RL 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.00000% 0.00000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Jennifer Bohannon
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: December 31, 1998
> Irvine, CA 92614
DISTRIBUTION DATE: January 25, 1999
> FACTOR INFORMATION(800) 735-7777
Page 1 of 1
> (c) COPYRIGHT 1999 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Upper-Tier REMIC
Statement To Certificateholders
DISTRIBUTIONS IN DOLLARS
PRIOR
> CURRENT
ORIGINAL PRINCIPAL
> REALIZED DEFERRED PRINCIPAL
CLASS FACE VALUE BALANCE INTEREST PRINCIPAL
> TOTAL LOSSES INTEREST BALANCE
A-1 47,800,000.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
A-2 29,500,000.00 8,864,874.97 49,569.43 4,947,044.06 4,
>996,613.49 0.00 0.00 3,917,830.91
A-3 23,200,000.00 23,200,000.00 133,593.33 0.00
>133,593.33 0.00 0.00 23,200,000.00
A-4 50,600,000.00 50,600,000.00 301,491.67 0.00
>301,491.67 0.00 0.00 50,600,000.00
A-5 11,500,000.00 11,500,000.00 70,820.83 0.00
> 70,820.83 0.00 0.00 11,500,000.00
A-6 37,400,000.00 37,400,000.00 236,555.00 0.00
>236,555.00 0.00 0.00 37,400,000.00
B 4,769,880.27 25,807,480.87 0.00 0.00
> 0.00 0.00 751,566.24 26,559,047.11
RU 0.00 0.00 0.00 0.00
> 0.00 0.00 0.00 0.00
TOTALS 204,769,880.27 157,372,355.84 792,030.26 4,947,044.06 5,
>739,074.32 0.00 751,566.24 153,176,878.02
FACTOR INFORMATION PER $1000 OF ORIGINAL FACE
> PASS-THROUGH
PRIOR
> CURRENT RATES
PRINCIPAL
> PRINCIPAL
CLASS CUSIP BALANCE INTEREST PRINCIPAL
> TOTAL BALANCE CURRENT NEXT
A-1 126342GH1 0.000000 0.000000 0.000000
> 0.000000 0.000000 6.20000% 6.20000%
A-2 126342GJ7 300.504236 1.680320 167.696409
>169.376728 132.807827 6.71000% 6.71000%
A-3 126342GK4 1,000.000000 5.758333 0.000000
> 5.758333 1,000.000000 6.91000% 6.91000%
A-4 126342GL2 1,000.000000 5.958333 0.000000
> 5.958333 1,000.000000 7.15000% 7.15000%
A-5 126342GM0 1,000.000000 6.158333 0.000000
> 6.158333 1,000.000000 7.39000% 7.39000%
A-6 126342GN8 1,000.000000 6.325000 0.000000
> 6.325000 1,000.000000 7.59000% 7.59000%
B 5,410.509155 0.000000 0.000000
> 0.000000 5,568.074167 0.00000% 0.00000%
RU 0.000000 0.000000 0.000000
> 0.000000 0.000000 0.00000% 0.00000%
SELLER: T.A.R. Preferred Mortgage Corporation ADMI
>NISTRATOR: Jennifer Bohannon
SERVICER: Advanta Mortgage Corp. USA
> Bankers Trust Company
LEAD UNDERWRITER: CS First Boston
> 3 Park Plaza
RECORD DATE: December 31, 1998
> Irvine, CA 92614
DISTRIBUTION DATE: January 25, 1999
> FACTOR INFORMATION(800) 735-7777
Page 1 of 3
> (c) COPYRIGHT 1999 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Statement To Certificateholders
Distribution Date: January 25, 1999
DELINQUENT LOAN 0 TO 29 3
>0 TO 59 60 TO 89 90 PLUS
INFORMATION DAYS
> DAYS DAYS DAYS TOTAL
PRINCIPAL BALANCE #N/A 2,
>680,568.47 850,207.41 1,769,509.88 5,300,285.76
PERCENTAGE OF POOL BALANCE #N/A
> 1.9114% 0.6062% 1.2618% 3.7794%
NUMBER OF LOANS #N/A
> 82 28 54 164
PERCENTAGE OF LOANS #N/A
> 2.0098% 0.6863% 1.3235% 4.0196%
BANKRUPTCY LOAN 0 TO 29 3
>0 TO 59 60 TO 89 90 PLUS
INFORMATION DAYS
> DAYS DAYS DAYS TOTAL
PRINCIPAL BALANCE 2,885,788.40
>463,316.14 462,594.89 756,779.25 4,568,478.68
PERCENTAGE OF POOL BALANCE 2.0577%
> 0.3304% 0.3299% 0.5396% 3.2576%
NUMBER OF LOANS 74
> 14 13 23 124
PERCENTAGE OF LOANS 1.8137%
> 0.3431% 0.3186% 0.5637% 3.0392%
FORECLOSURE LOAN 0 TO 29 3
>0 TO 59 60 TO 89 90 PLUS
INFORMATION DAYS
> DAYS DAYS DAYS TOTAL
PRINCIPAL BALANCE 0.00
> 0.00 0.00 0.00 0.00
PERCENTAGE OF POOL BALANCE 0.0000%
> 0.0000% 0.0000% 0.0000% 0.0000%
NUMBER OF LOANS 0
> 0 0 0 0
PERCENTAGE OF LOANS 0.0000%
> 0.0000% 0.0000% 0.0000% 0.0000%
REO PROPERTY 0 TO 29 3
>0 TO 59 60 TO 89 90 PLUS
INFORMATION DAYS
> DAYS DAYS DAYS TOTAL
PRINCIPAL BALANCE 0.00
> 0.00 0.00 0.00 0.00
PERCENTAGE OF POOL BALANCE 0.0000%
> 0.0000% 0.0000% 0.0000% 0.0000%
NUMBER OF LOANS 0
> 0 0 0 0
PERCENTAGE OF LOANS 0.0000%
> 0.0000% 0.0000% 0.0000% 0.0000%
BOOK VALUE OF LOANS IN REO:
> 0.00
ADDITIONAL INFORMATION CONCERNING ANY REO PROPERTY:
> (SEE ATTACHED, IF ANY)
WEIGHTED AVERAGE MORTGAGE INTEREST RATE:
> 13.937712%
WEIGHTED AVERAGE NET MORTGAGE INTEREST RATE:
> 12.976212%
WEIGHTED AVERAGE REMAINING TERM TO MATURITY:
> 158
PRIOR NUMBER OF MORTGAGE LOANS INCLUDED IN THE POOL:
> 4,209
NUMBER OF SUBSEQUENT MORTGAGE LOANS ADDED TO THE POOL:
> 0
CURRENT NUMBER OF MORTGAGE LOANS INCLUDED IN THE POOL:
> 4,080
PRIOR AGGREGATE PRINCIPAL BALANCE OF THE MORTGAGE LOANS:
> 145,238,604.49
SUBSEQUENT MORTGAGE LOANS ADDED TO POOL PRINCIPAL BALANCE:
> 0.00
CURRENT AGGREGATE PRINCIPAL BALANCE OF THE MORTGAGE LOANS:
> 140,241,173.92
Page 2 of 3
> (c) COPYRIGHT 1999 Bankers Trust Company
CS First Boston Mortgage Securities Corp.
Preferred Mortgage Asset-Backed Certificates
Series 1997-1
Statement To Certificateholders
Distribution Date: January 25, 1999
PRINCIPAL REMITTANCE AMOUNTS:
SCHEDULED PRINCIPAL:
> 313,709.50
CURTAILMENTS:
> 91,633.66
PREPAYMENTS IN FULL:
> 3,660,517.09
NET LIQUIDATION PROCEEDS:
> 129,617.57
INSURANCE PRINCIPAL PROCEEDS:
> 0.00
RELEASED MORTGAGED PROPERTY PROCEEDS:
> 0.00
REPURCHASED PRINCIPAL AMOUNTS:
> 0.00
OVERCOLLATERALIZATION INCREASE AMOUNT:
> 751,566.24
SUBSTITUTION ADJUSTMENTS:
> 0.00
PRE-FUNDED AMOUNTS DISTRIBUTED AS PRINCIPAL:
> 0.00
TOTAL PRINCIPAL DISTRIBUTED:
> 4,947,044.06
INSURED PAYMENT INCLUDED IN CURRENT DISTRIBUTION TO CLASS A CERTIFICATEHOLDERS:
> 0.00
REIMBURSEMENT AMOUNT PAID TO CERTIFICATE INSURER FOR CURRENT DISTRIBUTION:
> 0.00
REQUIRED OVERCOLLATERALIZATION LEVEL AS OF THE CURRENT REMITTANCE DATE:
> 23,000,000.00
OVERCOLLATERALIZATION AMOUNT AS OF THE CURRENT DISTRIBUTION DATE:
> 13,623,343.01
TOTAL REPURCHASE PRICE OF ANY REPURCHASED LOANS AS OF THE CURRENT DISTRIBUTION
>DATE: 0.00
CURRENT REALIZED LOSSES FOR THE RELATED COLLECTION PERIOD:
> 801,952.75
CURRENT CUMULATIVE REALIZED LOSSES TO DATE:
> 12,935,704.10
REMAINING PRE-FUNDED AMOUNT:
> 0.00
Page 3 of 3
> (c) COPYRIGHT 1999 Bankers Trust Company