8-K 1 dal03001.txt DECEMBER 8-K UNITED STATES 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): December 26, 2003 DEUTSCHE ALT-A SECURITIES, INC. Mortgage Pass-Through Certificates, Series 2003-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-100676-01 54-2123769 Pooling and Servicing Agreement) (Commission IRS EIN (State or other File Number) jurisdiction of Incorporation) c/o Wells Fargo Bank Minnesota, N.A. 9062 Old Annapolis Road Columbia, Maryland 21045 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (410) 884-2000 (Former name or former address, if changed since last report) ITEM 5. Other Events On December 26, 2003 a distribution was made to holders of DEUTSCHE ALT-A SECURITIES, INC., Mortgage Pass-Through Certificates, Series 2003-1 Trust. ITEM 7. Financial Statements and Exhibits (c) Exhibits furnished in accordance with Item 601(a) of Regulation S-K Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2003-1 Trust, relating to the December 26, 2003 distribution. 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. DEUTSCHE ALT-A SECURITIES, INC. Mortgage Pass-Through Certificates, Series 2003-1 Trust By: Wells Fargo Bank Minnesota, N.A., as Master Servicer By: /s/ Beth Belfield, Assitsant Vice President By: Beth Belfield, Assistant Vice President Date: 12/30/03 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2003-1 Trust, relating to the December 26, 2003 distribution. EX-99.1

DEUTSCHE ALT-A SECURITIES INC Mortgage Pass-Through Certificates Record Date: 1011/3130/03 Distribution Date: 1112/2526/03 DAL Series: 2003-1 Contact: Customer Service - CTSLink Wells Fargo Bank Minnesota, N.A. Securities Administration Services 7485 New Horizon Way Frederick, MD 21703 Telephone: (301) 815-6600 Fax: (301) 815-6660 Certificateholder Distribution Summary Certificate Certificate Beginning Class Pass-Through Certificate Interest Principal Class CUSIP Description Rate Balance Distribution Distribution A-1 251510AA1 SEN 5.50000% 26,000,000.00 119,166.6766 0.00 A-2 251510AB9 SEN 5.50000% ~~183~~179,~~111~~140,~~113~~793.9578 ~~839~~821,~~259~~061.2791 3,~~970~~111,~~320~~373.1742 A-3 251510AC7 SEN 5.50000% 755,000.00 3,460.42 0.00 A-PO 251510AD5 SEN 0.00000% 166,~~309~~062.5857 0.00 247.0031 A-X 251510AE3 SEN 5.50000% 0.00 7977,~~087~~018.3764 0.00 M 251510AF0 SUB 5.50000% 5,~~538~~533,~~927~~341.5603 25,~~386~~361.7514 5,~~586~~623.5491 B-1 251510AG8 SUB 5.50000% 1,~~722~~720,~~556~~819.5721 7,~~895~~887.0509 1,~~737~~748.3698 B-2 251510AH6 SUB 5.50000% 1,~~107~~106,~~785~~668.5121 5,~~077~~072.3523 1,~~117~~124.3178 B-3 251510AK9 SUB 5.50000% 615,~~769~~148.0600 2,~~822~~819.2743 ~~621~~625.0622 B-4 251510AL7 SUB 5.50000% ~~492~~491,~~016~~520.4520 2,~~255~~252.0880 ~~496~~499.2557 B-5 251510AM5 SUB 5.50000% ~~615~~614,~~250~~629.1056 2,~~819~~817.9005 ~~620~~624.5469 R 251510AJ2 SEN 5.50000% 0.00 0.00 0.00 Totals ~~220~~216,~~124~~143,~~728~~982.7856 1,~~087~~066,~~230~~917.1337 3,~~980~~121,~~746~~867.2388

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 26,000,000.00 119,166.6766 0.00 A-2 0.00 ~~179~~176,~~140~~029,~~793~~420.7836 43,~~809~~932,~~579~~435.4433 0.00 A-3 0.00 755,000.00 3,460.42 0.00 A-PO 0.00 ~~166~~165,~~062~~815.5726 247.0031 0.00 A-X 0.00 0.00 7977,~~087~~018.3764 0.00 M 0.00 5,~~533~~527,~~341~~717.0312 30,~~973~~985.2905 0.00 B-1 0.00 1,~~720~~719,~~819~~070.2123 9,~~632~~636.4107 0.00 B-2 0.00 1,~~106~~105,~~668~~543.2142 6,~~194~~197.6601 0.00 B-3 0.00 ~~615~~614,~~148~~522.0079 3,~~443~~444.3365 0.00 B-4 0.00 491,~~520~~020.2064 2,~~751~~752.3337 0.00 B-5 0.00 614,~~629~~004.5687 3,~~440~~441.4474 0.00 R 0.00 0.00 0.00 0.00 Totals 0.00 ~~216~~213,~~143~~022,~~982~~114.5669 54,~~067~~188,~~976~~785.3625 0.00 All distributions required by the Pooling and Servicing Agreement have been calculated by the Certificate Administrator on behalf of the Trustee.

Principal Distribution Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Realized Class Amount Balance Distribution Distribution Accretion Loss (1) A-1 26,000,000.00 26,000,000.00 0.00 0.00 0.00 0.00 A-2 209,600,000.00 ~~183~~179,~~111~~140,~~113~~793.9578 ~~211~~209,~~669~~265.9771 32,~~758~~902,~~650~~107.2071 0.00 0.00 A-3 755,000.00 755,000.00 0.00 0.00 0.00 0.00 A-PO 169,250.00 166,~~309~~062.5857 ~~233~~234.3750 1312.6381 0.00 0.00 A-X 0.00 0.00 0.00 0.00 0.00 0.00 M 5,550,000.00 5,~~538~~533,~~927~~341.5603 5,~~586~~623.5491 0.00 0.00 0.00 B-1 1,726,000.00 1,~~722~~720,~~556~~819.5721 1,~~737~~748.3698 0.00 0.00 0.00 B-2 1,110,000.00 1,~~107~~106,~~785~~668.5121 1,~~117~~124.3178 0.00 0.00 0.00 B-3 617,000.00 615,~~769~~148.0600 ~~621~~625.0622 0.00 0.00 0.00 B-4 493,000.00 ~~492~~491,~~016~~520.4520 ~~496~~499.2557 0.00 0.00 0.00 B-5 616,480.00 ~~615~~614,~~250~~629.1056 ~~620~~624.5469 0.00 0.00 0.00 R 100.00 0.00 0.00 0.00 0.00 0.00 Totals 246,636,830.00 ~~220~~216,~~124~~143,~~728~~982.7856 ~~222~~219,~~082~~747.4036 32,~~758~~902,~~663~~120.8352 0.00 0.00 (1) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Principal Distribution Statement (continued) Total Ending Ending Total Principal Certificate Certificate Principal Class Reduction Balance Percentage Distribution A-1 0.00 26,000,000.00 1.00000000 0.00 A-2 3,~~970~~111,~~320~~373.1742 ~~179~~176,~~140~~029,~~793~~420.7836 0.~~85467936~~83983502 3,~~970~~111,~~320~~373.1742 A-3 0.00 755,000.00 1.00000000 0.00 A-PO 247.0031 ~~166~~165,~~062~~815.5726 0.~~98116733~~97970612 247.0031 A-X 0.00 0.00 0.00000000 0.00 M 5,~~586~~623.5491 5,~~533~~527,~~341~~717.0312 0.~~99699838~~99598507 5,~~586~~623.5491 B-1 1,~~737~~748.3698 1,~~720~~719,~~819~~070.2123 0.~~99699838~~99598507 1,~~737~~748.3698 B-2 1,~~117~~124.3178 1,~~106~~105,~~668~~543.2142 0.~~99699839~~99598506 1,~~117~~124.3178 B-3 ~~621~~625.0622 ~~615~~614,~~148~~522.0079 0.~~99699838~~99598507 ~~621~~625.0622 B-4 ~~496~~499.2557 491,~~520~~020.2064 0.~~99699838~~99598507 ~~496~~499.2557 B-5 ~~620~~624.5469 614,~~629~~004.5687 0.~~99699838~~99598506 ~~620~~624.5469 R 0.00 0.00 0.00000000 0.00 Totals 3,~~980~~121,~~746~~867.2388 ~~216~~213,~~143~~022,~~982~~114.5669 0.~~87636539~~86370764 3,~~980~~121,~~746~~867.2388

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion A-1 26,000,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-2 209,600,000.00 ~~873~~854.~~62172686~~67935964 10.~~00987581~~99840510 1713.~~93249141~~84593373 0.00000000 A-3 755,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-PO 169,250.00 ~~982~~981.~~62676514~~16732644 1.~~37884786~~38552437 0.~~08053176~~07568685 0.00000000 A-X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 M 5,550,000.00 ~~998~~996.~~00496577~~99838378 1.~~00658378~~01331712 0.00000000 0.00000000 B-1 1,726,000.00 ~~998~~996.~~00496524~~99838355 1.~~00658169~~01331402 0.00000000 0.00000000 B-2 1,110,000.00 ~~998~~996.~~00496396~~99838739 1.~~00658559~~01331532 0.00000000 0.00000000 B-3 617,000.00 ~~998~~996.~~00495948~~99837925 1.~~00658023~~01332253 0.00000000 0.00000000 B-4 493,000.00 ~~998~~996.~~00496957~~99837728 1.~~00659229~~01332657 0.00000000 0.00000000 B-5 616,480.00 ~~998~~996.~~00496366~~99837789 1.~~00658578~~01331754 0.00000000 0.00000000 R 100.00 0.00000000 0.00000000 0.00000000 0.00000000 (2) All Classes Are Per $1000 Denomination.

Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution A-1 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 A-2 0.00000000 1814.~~94236722~~84433884 ~~854~~839.~~67935964~~83502080 0.~~85467936~~83983502 1814.~~94236722~~84433884 A-3 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 A-PO 0.00000000 1.~~45937962~~46121123 ~~981~~979.~~16732644~~70611521 0.~~98116733~~97970612 1.~~45937962~~46121123 A-X 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 M 0.00000000 1.~~00658378~~01331712 ~~996~~995.~~99838378~~98506667 0.~~99699838~~99598507 1.~~00658378~~01331712 B-1 0.00000000 1.~~00658169~~01331402 ~~996~~995.~~99838355~~98506952 0.~~99699838~~99598507 1.~~00658169~~01331402 B-2 0.00000000 1.~~00658559~~01331532 ~~996~~995.~~99838739~~98506306 0.~~99699839~~99598506 1.~~00658559~~01331532 B-3 0.00000000 1.~~00658023~~01332253 ~~996~~995.~~99837925~~98507293 0.~~99699838~~99598507 1.~~00658023~~01332253 B-4 0.00000000 1.~~00659229~~01332657 ~~996~~995.~~99837728~~98507099 0.~~99699838~~99598507 1.~~00659229~~01332657 B-5 0.00000000 1.~~00658578~~01331754 ~~996~~995.~~99837789~~98506034 0.~~99699838~~99598506 1.~~00658578~~01331754 R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (3) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Interest Distribution Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class Amount Rate Balance Interest Shortfall Shortfall A-1 26,000,000.00 5.50000% 26,000,000.00 119,166.67 0.00 0.00 A-2 209,600,000.00 5.50000% ~~183~~179,~~111~~140,~~113~~793.9578 ~~839~~821,~~259~~061.2797 0.00 0.00 A-3 755,000.00 5.50000% 755,000.00 3,460.42 0.00 0.00 A-PO 169,250.00 0.00000% 166,~~309~~062.5857 0.00 0.00 0.00 A-X 0.00 5.50000% 1716,~~255~~804,~~427~~069.2600 7977,~~087~~018.3765 0.00 0.00 M 5,550,000.00 5.50000% 5,~~538~~533,~~927~~341.5603 25,~~386~~361.7515 0.00 0.00 B-1 1,726,000.00 5.50000% 1,~~722~~720,~~556~~819.5721 7,~~895~~887.0509 0.00 0.00 B-2 1,110,000.00 5.50000% 1,~~107~~106,~~785~~668.5121 5,~~077~~072.3523 0.00 0.00 B-3 617,000.00 5.50000% 615,~~769~~148.0600 2,~~822~~819.2743 0.00 0.00 B-4 493,000.00 5.50000% ~~492~~491,~~016~~520.4520 2,~~255~~252.0880 0.00 0.00 B-5 616,480.00 5.50000% ~~615~~614,~~250~~629.1056 2,~~819~~817.9005 0.00 0.00 R 100.00 5.50000% 0.00 0.00 0.00 0.00 Totals 246,636,830.00 1,~~087~~066,~~230~~917.1346 0.00 0.00

Interest Distribution Statement (continued) Remaining Ending Non-Supported Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (4) Distribution Shortfall Balance A-1 0.0001 0.00 119,166.6766 0.00 26,000,000.00 A-2 0.0006 0.00 ~~839~~821,~~259~~061.2791 0.00 ~~179~~176,~~140~~029,~~793~~420.7836 A-3 0.00 0.00 3,460.42 0.00 755,000.00 A-PO 0.00 0.00 0.00 0.00 ~~166~~165,~~062~~815.5726 A-X 0.0001 0.00 7977,~~087~~018.3764 0.00 16,~~804~~431,~~069~~923.0002 M 0.00 0.00 25,~~386~~361.7514 0.00 5,~~533~~527,~~341~~717.0312 B-1 0.00 0.00 7,~~895~~887.0509 0.00 1,~~720~~719,~~819~~070.2123 B-2 0.00 0.00 5,~~077~~072.3523 0.00 1,~~106~~105,~~668~~543.2142 B-3 0.00 0.00 2,~~822~~819.2743 0.00 ~~615~~614,~~148~~522.0079 B-4 0.00 0.00 2,~~255~~252.0880 0.00 491,~~520~~020.2064 B-5 0.00 0.00 2,~~819~~817.9005 0.00 614,~~629~~004.5687 R 0.00 0.00 0.00 0.00 0.00 Totals 0.0008 0.00 1,~~087~~066,~~230~~917.1337 0.00 (4) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Interest Distribution Factors Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class (5) Amount Rate Balance Interest Shortfall Shortfall A-1 26,000,000.00 5.50000% 1000.00000000 4.58333346 0.00000000 0.00000000 A-2 209,600,000.00 5.50000% ~~873~~854.~~62172686~~67935964 43.~~00409957~~91728039 0.00000000 0.00000000 A-3 755,000.00 5.50000% 1000.00000000 4.58333775 0.00000000 0.00000000 A-PO 169,250.00 0.00000% ~~982~~981.~~62676514~~16732644 0.00000000 0.00000000 0.00000000 A-X 0.00 5.50000% ~~890~~867.~~30571428~~01757241 43.~~08056760~~97383056 0.00000000 0.00000000 M 5,550,000.00 5.50000% ~~998~~996.~~00496577~~99838378 4.~~57418919~~56957658 0.00000000 0.00000000 B-1 1,726,000.00 5.50000% ~~998~~996.~~00496524~~99838355 4.~~57418888~~56957706 0.00000000 0.00000000 B-2 1,110,000.00 5.50000% ~~998~~996.~~00496396~~99838739 4.~~57418919~~56957658 0.00000000 0.00000000 B-3 617,000.00 5.50000% ~~998~~996.~~00495948~~99837925 4.~~57418152~~56957861 0.00000000 0.00000000 B-4 493,000.00 5.50000% ~~998~~996.~~00496957~~99837728 4.~~57419878~~56957404 0.00000000 0.00000000 B-5 616,480.00 5.50000% ~~998~~996.~~00496366~~99837789 4.~~57419543~~56957241 0.00000000 0.00000000 R 100.00 5.50000% 0.00000000 0.00000000 0.00000000 0.00000000 (5) All Classes Are Per $1000 Denomination.

Interest Distribution Factors Statement (continued) Remaining Ending Non-Supported Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (6) Distribution Shortfall Balance A-1 0.~~00000000~~00000038 0.00000000 4.~~58333346~~58333308 0.00000000 1000.00000000 A-2 0.~~00000000~~00000029 0.00000000 43.~~00409957~~91728010 0.00000000 ~~854~~839.~~67935964~~83502080 A-3 0.00000000 0.00000000 4.58333775 0.00000000 1000.00000000 A-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~981~~979.~~16732644~~70611521 A-X 0.~~00000000~~00000052 0.00000000 43.~~08056760~~97383005 0.00000000 ~~867~~847.~~01757241~~81644296 M 0.00000000 0.00000000 4.~~57418919~~56957477 0.00000000 ~~996~~995.~~99838378~~98506667 B-1 0.00000000 0.00000000 4.~~57418888~~56957706 0.00000000 ~~996~~995.~~99838355~~98506952 B-2 0.00000000 0.00000000 4.~~57418919~~56957658 0.00000000 ~~996~~995.~~99838739~~98506306 B-3 0.00000000 0.00000000 4.~~57418152~~56957861 0.00000000 ~~996~~995.~~99837925~~98507293 B-4 0.00000000 0.00000000 4.~~57419878~~56957404 0.00000000 ~~996~~995.~~99837728~~98507099 B-5 0.00000000 0.00000000 4.~~57419543~~56957241 0.00000000 ~~996~~995.~~99837789~~98506034 R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (6) Amount Does Not Include Excess Special Hazard, Bankruptcy,or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 54,~~116~~231,~~580~~681.6496 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 812,~~084~~920.9502 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 54,~~124~~244,~~665~~601.5998 Withdrawals Reimbursement for Servicer Advances 8,~~078~~084.3595 Payment of Service Fee 4847,~~610~~731.8878 Payment of Interest and Principal 54,~~067~~188,~~976~~785.3625 Total Withdrawals (Pool Distribution Amount) 54,~~124~~244,~~665~~601.5998 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 45,~~859~~029.3196 Master Servicing Fee- Wells Fargo 2,~~751~~701.5782 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 4847,~~610~~731.8878

LOAN STATUS STRATIFICATION/CREDIT ENHANCEMENT STATEMENT DELINQUENCY STATUS DELINQUENT BANKRUPTCY FORECLOSURE REO Total No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 47 0 0 0 47 ~~868~~1,~~509~~696,012.6639 0.00 0.00 0.00 ~~868~~1,~~509~~696,012.6639 60 Days 10 0 0 0 10 ~~473,931~~0.9500 0.00 0.00 0.00 ~~473,931~~0.9500 90 Days 0 0 01 0 01 0.00 0.00 0473,931.0095 0.00 0473,931.0095 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180+ Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 57 0 01 0 58 1,~~342~~696,~~441~~012.6139 0.00 0473,931.0095 0.00 12,~~342~~169,~~441~~944.6134 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~545703~~968188% 0.000000% 0.000000% 0.000000% 0.~~545703~~968188% 0.~~401505~~795486% 0.000000% 0.000000% 0.000000% 0.~~401505~~795486% 60 Days 0.~~136426~~000000% 0.000000% 0.000000% 0.000000% 0.~~136426~~000000% 0.~~219095~~000000% 0.000000% 0.000000% 0.000000% 0.~~219095~~000000% 90 Days 0.000000% 0.000000% 0.~~000000~~138313% 0.000000% 0.~~000000~~138313% 0.000000% 0.000000% 0.~~000000~~222290% 0.000000% 0.~~000000~~222290% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180+ Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 0.~~682128~~968188% 0.000000% 0.~~000000~~138313% 0.000000% 01.~~682128~~106501% 0.~~620600~~795486% 0.000000% 0.~~000000~~222290% 0.000000% 01.~~620600~~017776%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 812,~~084~~920.9502

CREDIT ENHANCEMENT Original $ Original % Current $ Current % Bankruptcy 150,000.00 0.06081817% 150,000.00 0.~~06939818~~07041522% Fraud 7,399,105.00 3.00000004% 6,~~484~~390,~~319~~663.5248 3.00000000% Special Hazard 2,466,368.00 0.99999988% 2,466,368.00 1.~~14107640~~15779903% Limit of Subordinate's Exposure to Certain Types of Losses

COLLATERAL STATEMENT Collateral Description Mixed Fixed Weighted Average Gross Coupon 6.~~191987~~188370% Weighted Average Net Coupon 5.~~941987~~938371% Weighted Average Pass-Through Rate 5.~~926987~~923370% Weighted Average Maturity(Stepdown Calculation ) ~~353~~352 Beginning Scheduled Collateral Loan Count ~~747~~733 Number Of Loans Paid In Full 1410 Ending Scheduled Collateral Loan Count ~~733~~723 Beginning Scheduled Collateral Balance ~~220~~216,~~124~~143,~~730~~984.2200 Ending Scheduled Collateral Balance ~~216~~213,~~143~~022,~~984~~116.0013 Ending Actual Collateral Balance at 3130-~~Oct~~Nov-2003 ~~216~~213,~~313~~204,~~447~~587.8188 Monthly P &I Constant 1,~~357~~334,~~923~~396.53 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Ending Scheduled Balance for Premium Loans ~~216~~213,~~143~~022,~~984~~116.0013 Scheduled Principal ~~222~~219,~~082~~747.3935 Unscheduled Principal 32,~~758~~902,~~663~~120.8352

COLLATERAL STATEMENT Collateral Description Mixed Fixed Weighted Average Coupon Rate 6.~~191987~~188370% Weighted Average Net Rate 5.~~941987~~938371% Weighted Average Pass Through Rate 5.~~926987~~923370% Weighted Average Maturity ~~353~~352 Record Date 1011/3130/2003 Principal and Interest Constant 1,~~357~~334,~~923~~396.53 Beginning Loan Count ~~747~~733 Loans Paid in Full 1410 Ending Loan Count ~~733~~723 Beginning Scheduled Balance ~~220~~216,~~124~~143,~~730~~984.2200 Ending Scheduled Balance ~~216~~213,~~143~~022,~~984~~116.0013 Ending Actual Balance at 3130-~~Oct~~Nov-2003 ~~216~~213,~~313~~204,~~447~~587.8188 Scheduled Principal ~~222~~219,~~082~~747.3935 Unscheduled Principal 32,~~758~~902,~~663~~120.8352 Scheduled Interest 1,~~135~~114,~~841~~649.1418 Servicing Fee 45,~~859~~029.3196 Master Servicing Fee 2,~~751~~701.5782 Trustee Fee 0.00 FRY Amount 0.00 Special Hazard Fee 0.00 Other Fee 0.00 Pool Insurance Fee 0.00 Spread 1 0.00 Spread 2 0.00 Spread 3 0.00 Net Interest 1,~~087~~066,~~230~~917.2640 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Percentage of Cumulative Losses 0.0000 Special Servicing Fee 0.00 Prepayment Penalties 0.00

Filing Compare · ALTERNATIVE LOAN TRUST SERIES 2003-1