8-K 1 thb03001_aug.txt AUGUST8K 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): August 25, 2003 THORNBURG MORTGAGE SECURITIES CORPORATION Mortgage Pass-Through Certificates, Series 2003-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-99463-05 Pending 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, MD 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 August 25, 2003 a distribution was made to holders of THORNBURG MORTGAGE SECURITIES CORPORATION, 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 August 25, 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. THORNBURG MORTGAGE SECURITIES CORPORATION Mortgage Pass-Through Certificates, Series 2003-1 Trust By: Wells Fargo Bank Minnesota, N.A., as Securities Administrator By: /s/ Beth Belfield, Assistant Vice President By: Beth Belfield, Assistant Vice President Date: 9/6/03 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 August 25, 2003 distribution. EX-99.1

Thornburg Mortgage Home Loans, Inc. Mortgage Pass-Through Certificates Record Date: 67/3031/03 Distribution Date: 78/25/03 THB 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 885220CR2 SEN 2.~~85714~~81536% 179,~~570~~118,~~866~~052.0365 ~~427~~420,~~549~~234.7643 ~~452~~3,~~813~~227,596.3824 A-R 885220CV3 SEN 2.~~89244~~89072% 0.00 2674,~~326~~718.3626 0.00 A-2 885220CS0 SEN 4.~~36664~~33699% ~~101~~89,~~020~~802,~~243~~387.6869 ~~367~~324,~~599~~560.1405 115,~~217~~963,~~855~~864.9830 A-3 885220CT8 SEN 4.~~81801~~81497% ~~352~~329,~~388~~693,~~895~~714.2791 1,~~414~~322,~~843~~886.3870 2246,~~695~~097,~~180~~303.3526 A-4 885220CU5 SEN 5.~~39437~~39182% 5246,~~277~~770,~~920~~350.6144 ~~235~~210,~~005~~147.2092 54,~~507~~201,~~570~~625.1841 B-1 885220CW1 SUB 4.~~30222~~28540% 7,~~736~~735,~~773~~484.6696 27,~~737~~624.7473 1,~~288~~305.7196 B-2 885220CX9 SUB 4.~~30222~~28540% 5,~~801~~800,~~331~~364.2593 20,~~798~~714.8309 ~~966~~979.3226 B-3 885220CY7 SUB 4.~~30222~~28540% 4,~~641~~640,~~264~~491.8475 16,~~639~~571.7898 ~~773~~783.0944 B-4 885220CZ4 SUB 4.~~30222~~28540% 1,~~159~~158,~~067~~874.2215 4,~~155~~138.4754 ~~193~~195.0665 B-5 885220DA8 SUB 4.~~30222~~28540% 771,~~379~~250.2273 2,~~765~~754.5327 ~~128~~130.4921 B-6 885220DB6 SUB 4.~~30222~~28540% 1,~~947~~946,~~195~~871.9561 6,~~981~~952.0561 ~~324~~328.3469 Totals ~~707~~667,~~314~~437,~~937~~843.7382 2,~~550~~431,~~402~~303.2458 3959,~~877~~494,~~093~~112.9042

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 ~~179~~175,~~118~~890,~~052~~456.6541 ~~880~~3,~~363~~647,830.1467 0.00 A-R 0.00 0.00 2674,~~326~~718.3626 0.00 A-2 0.00 8983,~~802~~838,~~387~~523.6939 116,~~585~~288,~~455~~424.1235 0.00 A-3 0.00 ~~329~~283,~~693~~596,~~714~~411.9166 2447,~~110~~420,~~023~~189.7396 0.00 A-4 0.00 4642,~~770~~568,~~350~~725.4403 54,~~742~~411,~~575~~773.3833 0.00 B-1 0.00 7,~~735~~734,~~484~~178.9699 2928,~~026~~930.4569 0.00 B-2 0.00 5,~~800~~799,~~364~~385.9367 21,~~765~~693.1535 0.00 B-3 0.00 4,~~640~~639,~~491~~708.7531 17,~~412~~355.8742 0.00 B-4 0.00 1,158,~~874~~678.1550 4,~~348~~334.5319 0.00 B-5 0.00 771,~~250~~120.7352 2,~~894~~884.0248 0.00 B-6 0.00 1,946,~~871~~542.6192 7,~~305~~281.3930 0.00 Totals 0.00 ~~667~~607,~~437~~943,~~843~~731.8240 4261,~~427~~925,~~496~~416.1400 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-1 187,279,000.00 179,~~570~~118,~~866~~052.0365 65,~~086~~991.0321 ~~446~~3,~~727~~221,605.3503 0.00 0.00 A-R 100.00 0.00 0.00 0.00 0.00 0.00 A-2 115,997,000.00 ~~101~~89,~~020~~802,~~243~~387.6869 2120,~~768~~430.4585 115,~~196~~943,~~087~~433.5345 0.00 0.00 A-3 394,210,000.00 ~~352~~329,~~388~~693,~~895~~714.2791 7875,~~348~~084.7808 2246,~~616~~022,~~831~~219.5718 0.00 0.00 A-4 54,914,000.00 5246,~~277~~770,~~920~~350.6144 63,~~051~~936.8392 54,~~501~~197,~~518~~688.3549 0.00 0.00 B-1 7,743,000.00 7,~~736~~735,~~773~~484.6696 1,~~288~~305.7196 0.00 0.00 0.00 B-2 5,806,000.00 5,~~801~~800,~~331~~364.2593 ~~966~~979.3226 0.00 0.00 0.00 B-3 4,645,000.00 4,~~641~~640,~~264~~491.8475 ~~773~~783.0944 0.00 0.00 0.00 B-4 1,160,000.00 1,~~159~~158,~~067~~874.2215 ~~193~~195.0665 0.00 0.00 0.00 B-5 772,000.00 771,~~379~~250.2273 ~~128~~130.4921 0.00 0.00 0.00 B-6 1,948,763.00 1,~~947~~946,~~195~~871.9561 ~~324~~328.3469 0.00 0.00 0.00 Totals 774,474,863.00 ~~707~~667,~~314~~437,~~937~~843.7382 ~~115~~109,~~929~~166.1027 3959,~~761~~384,~~164~~946.8015 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 ~~452~~3,~~813~~227,596.3824 ~~179~~175,~~118~~890,~~052~~456.6541 0.~~95642359~~93918943 ~~452~~3,~~813~~227,596.3824 A-R 0.00 0.00 0.00000000 0.00 A-2 115,~~217~~963,~~855~~864.9830 8983,~~802~~838,~~387~~523.6939 0.~~77417854~~72276458 115,~~217~~963,~~855~~864.9830 A-3 2246,~~695~~097,~~180~~303.3526 ~~329~~283,~~693~~596,~~714~~411.9166 0.~~83634031~~71940441 2246,~~695~~097,~~180~~303.3526 A-4 54,~~507~~201,~~570~~625.1841 4642,~~770~~568,~~350~~725.4403 0.~~85170176~~77518893 54,~~507~~201,~~570~~625.1841 B-1 1,~~288~~305.7196 7,~~735~~734,~~484~~178.9699 0.~~99902944~~99886078 1,~~288~~305.7196 B-2 ~~966~~979.3226 5,~~800~~799,~~364~~385.9367 0.~~99902944~~99886078 ~~966~~979.3226 B-3 ~~773~~783.0944 4,~~640~~639,~~491~~708.7531 0.~~99902944~~99886078 ~~773~~783.0944 B-4 ~~193~~195.0665 1,158,~~874~~678.1550 0.~~99902944~~99886078 ~~193~~195.0665 B-5 ~~128~~130.4921 771,~~250~~120.7352 0.~~99902944~~99886078 ~~128~~130.4921 B-6 ~~324~~328.3469 1,946,~~871~~542.6192 0.~~99902944~~99886077 ~~324~~328.3469 Totals 3959,~~877~~494,~~093~~112.9042 ~~667~~607,~~437~~943,~~843~~731.8240 0.~~86179407~~78497542 3959,~~877~~494,~~093~~112.9042

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion A-1 187,279,000.00 ~~958~~956.~~84143994~~42358540 0.~~03249713~~03199083 217.~~38535741~~20216912 0.00000000 A-R 100.00 0.00000000 0.00000000 0.00000000 0.00000000 A-2 115,997,000.00 ~~870~~774.~~88669259~~17853643 0.~~18766391~~17613257 9651.~~52049217~~23782037 0.00000000 A-3 394,210,000.00 ~~893~~836.~~91160871~~34031331 0.~~19874884~~19046721 57116.~~37254654~~74543817 0.00000000 A-4 54,914,000.00 ~~951~~851.~~99622337~~70175984 0.~~11020559~~07169246 ~~100~~76.~~18425811~~44113505 0.00000000 B-1 7,743,000.00 999.~~19587498~~02944079 0.~~16643549~~16866331 0.00000000 0.00000000 B-2 5,806,000.00 999.~~19587496~~02944023 0.~~16643472~~16866345 0.00000000 0.00000000 B-3 4,645,000.00 999.~~19587513~~02944026 0.~~16643488~~16866308 0.00000000 0.00000000 B-4 1,160,000.00 999.~~19587931~~02943966 0.~~16643103~~16866379 0.00000000 0.00000000 B-5 772,000.00 999.~~19588083~~02944301 0.~~16643782~~16866580 0.00000000 0.00000000 B-6 1,948,763.00 999.~~19587451~~02944073 0.~~16643378~~16866597 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 217.~~41785454~~23415994 ~~956~~939.~~42358540~~18942546 0.~~95642359~~93918943 217.~~41785454~~23415994 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-2 0.00000000 9651.~~70815607~~41395295 ~~774~~722.~~17853643~~76458348 0.~~77417854~~72276458 9651.~~70815607~~41395295 A-3 0.00000000 57116.~~57129538~~93590538 ~~836~~719.~~34031331~~40440796 0.~~83634031~~71940441 57116.~~57129538~~93590538 A-4 0.00000000 ~~100~~76.~~29446371~~51282751 ~~851~~775.~~70175984~~18893233 0.~~85170176~~77518893 ~~100~~76.~~29446371~~51282751 B-1 0.00000000 0.~~16643549~~16866331 ~~999~~998.~~02944079~~86077618 0.~~99902944~~99886078 0.~~16643549~~16866331 B-2 0.00000000 0.~~16643472~~16866345 ~~999~~998.~~02944023~~86077678 0.~~99902944~~99886078 0.~~16643472~~16866345 B-3 0.00000000 0.~~16643488~~16866308 ~~999~~998.~~02944026~~86077718 0.~~99902944~~99886078 0.~~16643488~~16866308 B-4 0.00000000 0.~~16643103~~16866379 ~~999~~998.~~02943966~~86077586 0.~~99902944~~99886078 0.~~16643103~~16866379 B-5 0.00000000 0.~~16643782~~16866580 ~~999~~998.~~02944301~~86077720 0.~~99902944~~99886078 0.~~16643782~~16866580 B-6 0.00000000 0.~~16643378~~16866597 ~~999~~998.~~02944073~~86077476 0.~~99902944~~99886077 0.~~16643378~~16866597 (3) Amount Does Not Include Excess Special Hazard, Bankrupcy, 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-1 187,279,000.00 2.~~85714~~81536% 179,~~570~~118,~~866~~052.0365 ~~427~~420,~~549~~234.7643 0.00 0.00 A-R 100.00 2.~~89244~~89072% 0.00 0.00 0.00 0.00 A-2 115,997,000.00 4.~~36664~~33699% ~~101~~89,~~020~~802,~~243~~387.6869 ~~367~~324,~~599~~560.1506 0.00 0.00 A-3 394,210,000.00 4.~~81801~~81497% ~~352~~329,~~388~~693,~~895~~714.2791 1,~~414~~322,~~843~~886.4071 0.00 0.00 A-4 54,914,000.00 5.~~39437~~39182% 5246,~~277~~770,~~920~~350.6144 ~~235~~210,~~005~~147.2192 0.00 0.00 B-1 7,743,000.00 4.~~30222~~28540% 7,~~736~~735,~~773~~484.6696 27,~~737~~624.7473 0.00 0.00 B-2 5,806,000.00 4.~~30222~~28540% 5,~~801~~800,~~331~~364.2593 20,~~798~~714.8309 0.00 0.00 B-3 4,645,000.00 4.~~30222~~28540% 4,~~641~~640,~~264~~491.8475 16,~~639~~571.7898 0.00 0.00 B-4 1,160,000.00 4.~~30222~~28540% 1,~~159~~158,~~067~~874.2215 4,~~155~~138.4754 0.00 0.00 B-5 772,000.00 4.~~30222~~28540% 771,~~379~~250.2273 2,~~765~~754.5327 0.00 0.00 B-6 1,948,763.00 4.~~30222~~28540% 1,~~947~~946,~~195~~871.9561 6,~~981~~952.0561 0.00 0.00 Totals 774,474,863.00 2,~~524~~356,~~075~~585.9234 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 0.0100 0.00 ~~427~~420,~~549~~234.7643 0.00 ~~179~~175,~~118~~890,~~052~~456.6541 A-R 0.00 0.00 2674,~~326~~718.3626 0.00 0.00 A-2 0.00 0.00 ~~367~~324,~~599~~560.1405 0.00 8983,~~802~~838,~~387~~523.6939 A-3 0.0201 0.00 1,~~414~~322,~~843~~886.3870 0.00 ~~329~~283,~~693~~596,~~714~~411.9166 A-4 0.00 0.00 ~~235~~210,~~005~~147.2092 0.00 4642,~~770~~568,~~350~~725.4403 B-1 0.00 0.00 27,~~737~~624.7473 0.00 7,~~735~~734,~~484~~178.9699 B-2 0.00 0.00 20,~~798~~714.8309 0.00 5,~~800~~799,~~364~~385.9367 B-3 0.00 0.00 16,~~639~~571.7898 0.00 4,~~640~~639,~~491~~708.7531 B-4 0.00 0.00 4,~~155~~138.4754 0.00 1,158,~~874~~678.1550 B-5 0.00 0.00 2,~~765~~754.5327 0.00 771,~~250~~120.7352 B-6 0.00 0.00 6,~~981~~952.0561 0.00 1,946,~~871~~542.6192 Totals 0.0301 0.00 2,~~550~~431,~~402~~303.2458 0.00 (4) Amount Does Not Include Excess Special Hazard, Bankrupcy, 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-1 187,279,000.00 2.~~85714~~81536% ~~958~~956.~~84143994~~42358540 2.~~28295623~~24389510 0.00000000 0.00000000 A-R 100.00 2.~~89244~~89072% 0.00000000 0.00000000 0.00000000 0.00000000 A-2 115,997,000.00 4.~~36664~~33699% ~~870~~774.~~88669259~~17853643 32.~~16904015~~79800391 0.00000000 0.00000000 A-3 394,210,000.00 4.~~81801~~81497% ~~893~~836.~~91160871~~34031331 3.~~58906015~~35579186 0.00000000 0.00000000 A-4 54,914,000.00 5.~~39437~~39182% ~~951~~851.~~99622337~~70175984 43.~~27951360~~82685508 0.00000000 0.00000000 B-1 7,743,000.00 4.~~30222~~28540% 999.~~19587498~~02944079 3.~~58229885~~56770373 0.00000000 0.00000000 B-2 5,806,000.00 4.~~30222~~28540% 999.~~19587496~~02944023 3.~~58229935~~56770410 0.00000000 0.00000000 B-3 4,645,000.00 4.~~30222~~28540% 999.~~19587513~~02944026 3.~~58229925~~56770291 0.00000000 0.00000000 B-4 1,160,000.00 4.~~30222~~28540% 999.~~19587931~~02943966 3.~~58230172~~56770690 0.00000000 0.00000000 B-5 772,000.00 4.~~30222~~28540% 999.~~19588083~~02944301 3.~~58229275~~56770725 0.00000000 0.00000000 B-6 1,948,763.00 4.~~30222~~28540% 999.~~19587451~~02944073 3.~~58229810~~56770423 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.~~00000005~~00000000 0.00000000 2.~~28295623~~24389510 0.00000000 ~~956~~939.~~42358540~~18942546 A-R 0.00000000 0.00000000 ~~263263~~747182.60000000 0.00000000 0.00000000 A-2 0.00000000 0.00000000 32.~~16904006~~79800383 0.00000000 ~~774~~722.~~17853643~~76458348 A-3 0.~~00000005~~00000003 0.00000000 3.~~58906009~~35579184 0.00000000 ~~836~~719.~~34031331~~40440796 A-4 0.00000000 0.00000000 43.~~27951342~~82685508 0.00000000 ~~851~~775.~~70175984~~18893233 B-1 0.00000000 0.00000000 3.~~58229885~~56770373 0.00000000 ~~999~~998.~~02944079~~86077618 B-2 0.00000000 0.00000000 3.~~58229935~~56770410 0.00000000 ~~999~~998.~~02944023~~86077678 B-3 0.00000000 0.00000000 3.~~58229925~~56770291 0.00000000 ~~999~~998.~~02944026~~86077718 B-4 0.00000000 0.00000000 3.~~58230172~~56770690 0.00000000 ~~999~~998.~~02943966~~86077586 B-5 0.00000000 0.00000000 3.~~58229275~~56770725 0.00000000 ~~999~~998.~~02944301~~86077720 B-6 0.00000000 0.00000000 3.~~58229810~~56770423 0.00000000 ~~999~~998.~~02944073~~86077476 (6) Amount Does Not Include Excess Special Hazard, Bankrupcy,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 4262,~~605~~029,~~852~~684.9813 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 013,338.0050 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 2674,~~326~~718.3626 Total Deposits 4262,~~632~~117,~~179~~740.3489 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee ~~202~~192,~~683~~324.2089 Payment of Interest and Principal 4261,~~429~~925,~~496~~416.1400 Total Withdrawals (Pool Distribution Amount) 4262,~~632~~117,~~179~~740.3489 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee ~~190~~180,~~305~~644.1970 Master Servicing Fee- Wells Fargo 11,~~788~~123.5697 Trustee Fee - Deutsche Bank ~~589~~556.4522 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee ~~202~~192,~~683~~324.2089

Delinquency Status By Groups DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 1 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 1 0 0 0 1 ~~493~~560,~~001~~000.7100 0.00 0.00 0.00 ~~493~~560,~~001~~000.7100 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 10 0 0 0 10 ~~111,039~~0.1000 0.00 0.00 0.00 ~~111,039~~0.1000 180 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 21 0 0 0 21 ~~604~~560,~~040~~000.8100 0.00 0.00 0.00 ~~604~~560,~~040~~000.8100 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~266667~~273224% 0.000000% 0.000000% 0.000000% 0.~~266667~~273224% 0.~~267042~~308726% 0.000000% 0.000000% 0.000000% 0.~~267042~~308726% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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.~~266667~~000000% 0.000000% 0.000000% 0.000000% 0.~~266667~~000000% 0.~~060146~~000000% 0.000000% 0.000000% 0.000000% 0.~~060146~~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.~~533333~~273224% 0.000000% 0.000000% 0.000000% 0.~~533333~~273224% 0.~~327188~~308726% 0.000000% 0.000000% 0.000000% 0.~~327188~~308726% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 2 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 3 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 15 0 0 0 15 ~~318~~2,~~000~~637,535.0086 0.00 0.00 0.00 ~~318~~2,~~000~~637,535.0086 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 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 15 0 0 0 15 ~~318~~2,~~000~~637,535.0086 0.00 0.00 0.00 ~~318~~2,~~000~~637,535.0086 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~114286~~632111% 0.000000% 0.000000% 0.000000% 0.~~114286~~632111% 0.~~093172~~893488% 0.000000% 0.000000% 0.000000% 0.~~093172~~893488% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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.~~114286~~632111% 0.000000% 0.000000% 0.000000% 0.~~114286~~632111% 0.~~093172~~893488% 0.000000% 0.000000% 0.000000% 0.~~093172~~893488% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Group 4 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 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 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 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 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000%

COLLATERAL STATEMENT Collateral Description Mixed ARM Weighted Average Gross Coupon 4.~~626102~~582737% Weighted Average Net Coupon 4.~~303237~~257952% Weighted Average Pass-Through Rate 4.~~282237~~236952% Weighted Average Maturity(Stepdown Calculation ) ~~354~~353 Beginning Scheduled Collateral Loan Count 1,~~639~~566 Number Of Loans Paid In Full 73111 Ending Scheduled Collateral Loan Count 1,~~566~~455 Beginning Scheduled Collateral Balance ~~707~~667,~~314~~437,~~938~~844.1929 Ending Scheduled Collateral Balance ~~667~~607,~~437~~943,~~844~~731.2987 Ending Actual Collateral Balance at 3031-~~Jun~~Jul-2003 ~~667~~608,~~527~~022,~~487~~457.5581 Monthly P &I Constant 2,~~842~~658,~~688~~076.1944 Special Servicing Fee 0.00 Prepayment Penalties 2674,~~326~~718.3626 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 4261,~~318~~768,~~417~~218.4133 Ending Scheduled Balance for Premium Loans ~~667~~607,~~437~~943,~~844~~731.2987 Scheduled Principal ~~115~~109,~~929~~166.1027 Unscheduled Principal 3959,~~761~~384,~~164~~946.8015

Miscellaneous Reporting Senior Percentage Group 1 97.~~031929~~024746% Senior PrePayment Percentage Grp 1 100.000000% Subordinate Percentage Group 1 2.~~968071~~975254% Subordinate PrePayment Percentage Grp 1 0.000000% Senior Percentage Group 2 96.~~744119~~352997% Senior PrePayment Percentage Grp 2 100.000000% Subordinate Percentage Group 2 3.~~255881~~647003% Subordinate PrePayment Percentage Grp 2 0.000000% Senior Percentage Group 3 96.~~825465~~615065% Senior PrePayment Percentage Grp 3 100.000000% Subordinate Percentage Group 3 3.~~174535~~384935% Subordinate PrePayment Percentage Grp 3 0.000000% Senior Percentage Group 4 9796.~~010661~~670737% Senior PrePayment Percentage Grp 4 100.000000% Subordinate Percentage Group 4 23.~~989339~~329263% Subordinate PrePayment Percentage Grp 4 0.000000%

Group Level Collateral Statement Group Group 1 Group 2 Group 3 Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 3.~~248487~~206682 4.~~641200~~611974 5.~~168399~~166054 Weighted Average Net Rate 2.~~878143~~836357 4.~~387639~~357990 4.~~839007~~835966 Weighted Average Maturity ~~355~~354 ~~359~~358 ~~352~~351 Beginning Loan Count ~~376~~375 ~~259~~243 ~~925~~875 Loans Paid In Full 19 1613 5084 Ending Loan Count ~~375~~366 ~~243~~230 ~~875~~791 Beginning Scheduled Balance ~~185~~184,~~063~~610,688.5197 ~~104~~93,~~420~~201,~~035~~447.7314 ~~363~~341,~~942~~244,~~373~~624.2110 Ending scheduled Balance ~~184~~181,~~610~~382,~~688~~909.9701 9387,~~201~~236,~~447~~809.1452 ~~341~~295,~~244~~144,~~624~~690.1025 Record Date 0607/3031/2003 0607/3031/2003 0607/3031/2003 Principal And Interest Constant ~~507~~499,~~253~~498.0304 ~~426~~379,~~362~~406.9934 1,~~648~~546,~~417~~788.1825 Scheduled Principal 6,~~272~~174.1993 2221,~~501~~204.0617 8077,~~917~~714.5467 Unscheduled Principal ~~446~~3,~~727~~221,605.3503 115,~~196~~943,~~087~~433.5345 2246,~~616~~022,~~831~~219.5718 Scheduled Interest ~~500~~493,~~980~~323.8411 ~~403~~358,~~861~~202.9317 1,~~567~~469,~~499~~073.6458 Servicing Fees 5756,~~114~~971.3154 2219,~~064~~726.0535 9993,~~899~~867.9840 Master Servicing Fees 3,~~084~~076.4084 1,~~740~~553.3135 65,~~065~~687.7042 Trustee Fee ~~154~~153.2386 8777.0367 ~~303~~284.2937 FRY Amount 0.00 0.00 0.00 Special Hazard Fee 0.00 0.00 0.00 Other Fee 0.00 0.00 0.00 Pool Insurance Fee 0.00 0.00 0.00 Spread Fee 1 0.00 0.00 0.00 Spread Fee 2 0.00 0.00 0.00 Spread Fee 3 0.00 0.00 0.00 Net Interest ~~440~~433,~~627~~120.9087 ~~379~~336,~~970~~844.5480 1,~~461~~369,~~230~~234.6739 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 0.00 0.00 0.00 Percentage of Cumulative Losses 0.00 0.00 0.00 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 2.~~857143~~815357 4.~~366639~~336990 4.~~818007~~814966

Group Level Collateral Statement Group Group 4 Total Collateral Description Mixed ARM Mixed ARM Weighted Average Coupon Rate 5.~~665366~~662824 4.~~626102~~582737 Weighted Average Net Rate 5.~~415366~~412824 4.~~303237~~257952 Weighted Average Maturity 352 353 ~~354~~ Beginning Loan Count 7973 1,~~639~~566 Loans Paid In Full 65 73111 Ending Loan Count 7368 1,~~566~~455 Beginning Scheduled Balance 5348,~~888~~381,~~840~~084.7408 ~~707~~667,~~314~~437,~~938~~844.1929 Ending scheduled Balance 4844,~~381~~179,~~084~~323.0809 ~~667~~607,~~437~~943,~~844~~731.2987 Record Date 0607/3031/2003 0607/3031/2003 Principal And Interest Constant ~~260~~232,~~654~~383.9981 2,~~842~~658,~~688~~076.1944 Scheduled Principal 64,~~238~~072.3150 ~~115~~109,~~929~~166.1027 Unscheduled Principal 54,~~501~~197,~~518~~688.3549 3959,~~761~~384,~~164~~946.8015 Scheduled Interest ~~254~~228,~~416~~311.6831 2,~~726~~548,~~759~~910.0917 Servicing Fees 1110,~~226~~079.8541 ~~190~~180,~~305~~644.1970 Master Servicing Fees ~~898~~806.1536 11,~~788~~123.5697 Trustee Fee 4440.9032 ~~589~~556.4522 FRY Amount 0.00 0.00 Special Hazard Fee 0.00 0.00 Other Fee 0.00 0.00 Pool Insurance Fee 0.00 0.00 Spread Fee 1 0.00 0.00 Spread Fee 2 0.00 0.00 Spread Fee 3 0.00 0.00 Net Interest ~~242~~217,~~246~~385.7822 2,~~524~~356,~~075~~585.8928 Realized Loss Amount 0.00 0.00 Cumulative Realized Loss 0.00 0.00 Percentage of Cumulative Losses 0.00 0.00 Prepayment Penalties 0.00 0.00 Special Servicing Fee 0.00 0.00 Pass-Through Rate 5.~~394366~~391824 4.~~282237~~236952

Filing Compare · GREENWICH CAPITAL ACCEPTANCE INC THORN MORT SEC TR 2003-1