8-K 1 prm03001_aug.txt AUGUST 8K 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 PRIME MORTGAGE TRUST Mortgage Pass-Through Certificates, Series 2003-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 033-44658-31 54-2116958 Pooling and Servicing Agreement) (Commission 54-2126959 (State or other File Number) IRS EIN 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 PRIME MORTGAGE TRUST, 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. PRIME MORTGAGE TRUST 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: 9/8/03 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

Prime Mortgage Pass Through Certificates Mortgage Pass-Through Certificates Record Date: 67/3031/03 Distribution Date: 78/25/03 PRM Series: 2003-1 Contact: CTSLink Customer Service Wells Fargo Bank Minnesota, N.A. Corporate Trust Services 9062 Old Annapolis Road Columbia, MD 21045-1951 Telephone: (301) 815-6600 Fax: (301) 815-6600 Certificateholder Distribution Summary Certificate Certificate Beginning Class Pass-Through Certificate Interest Principal Class CUSIP Description Rate Balance Distribution Distribution A-1 74160MAA0 SEN 4.75000% ~~3,587,181~~0.4100 ~~14,199~~0.2600 ~~3,587,181~~0.4100 A-2 74160MAB8 SEN 1.~~53500~~60000% 1312,~~116~~582,~~155~~877.7677 16,777.7517 ~~533~~1,~~277~~198,850.9987 A-3 74160MAC6 SEN 0.75000% 0.00 4342,~~894~~109.1651 0.00 A-4 74160MAD4 SEN 6.~~46500~~40000% 0.00 7067,~~663~~108.2968 0.00 A-5 74160MAE2 SEN 4.75000% ~~110~~109,~~364~~318,~~000~~142.0072 ~~436~~432,~~857~~717.5065 110,~~045~~415,~~857~~435.2841 A-6 74160MAF9 SEN 5.50000% 2322,~~073~~733,~~683~~875.5162 ~~105~~104,~~754~~196.3893 ~~339~~380,~~807~~129.8984 A-7 74160MAG7 SEN 5.00000% 70,775,143.00 294,896.43 0.00 A-8 74160MAH5 SEN 1.~~60500~~67000% 11,795,857.00 1516,~~776~~415.9690 0.00 A-9 74160MAJ1 SEN 6.~~89500~~83000% 0.00 67,~~777~~138.0309 0.00 A-10 74160MAK8 SEN 5.50000% 49,~~843~~630,~~146~~282.8405 ~~228~~227,~~447~~472.7613 ~~212~~268,~~864~~730.7971 A-11 74160MAL6 SEN 5.45000% 13,375,000.00 60,744.79 0.00 A-12 74160MAM4 SEN 2.~~52000~~32000% 1410,~~888~~962,~~535~~123.50 31 21,~~265~~193.9244 39,~~926~~234,~~412~~977.1933 A-13 74160MAN2 SEN 12.~~05600~~49600% 64,~~767~~982,~~516~~783.1332 6751,~~990~~887.9838 14,~~784~~197,~~732~~716.8197 A-14 74160MAW2 SEN 0.25000% 0.00 3,270.83 0.00 A-15 74160MAX0 SEN 5.25000% 15,700,000.00 68,687.50 0.00 PO 74160MAP7 PO 0.00000% ~~698~~659,~~542~~183.4591 0.00 394,~~358~~294.5409 X 74160MAQ5 SEN 0.~~28038~~27533% 0.00 8076,~~508~~423.7567 0.00 R-I PRM0301R1 SEN 5.50000% 0.00 0.00 0.00 R-II PRM0301R2 SEN 5.50000% 0.00 0.00 0.00 B-1 74160MAT9 SUB 5.50000% 5,~~379~~373,~~367~~695.1218 24,~~655~~629.4344 5,~~671~~700.9320 B-2 74160MAU6 SUB 5.50000% 1,~~909~~906,~~001~~988.0321 8,~~749~~740.5936 2,~~012~~022.8286 B-3 74160MAV4 SUB 5.50000% 1,~~388~~387,~~546~~081.0295 6,~~364~~357.1746 1,~~464~~471.0636 B-4 74160MAY8 SUB 5.50000% ~~694~~693,~~273~~540.0198 3,~~182~~178.0873 ~~732~~735.0368 B-5 74160MAZ5 SUB 5.50000% ~~520~~519,~~455~~906.0226 2,~~385~~382.4290 ~~548~~551.7650 B-6 74160MBA9 SUB 5.50000% ~~695~~694,~~033~~300.2138 3,~~185~~182.5721 ~~732~~736.8349 Totals ~~344~~333,~~571~~090,~~437~~781.0166 1,~~656~~599,~~035~~511.5520 1125,~~480~~711,~~655~~353.3331

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-1 0.00 0.00 ~~3,601,380~~0.6700 0.00 A-2 0.00 1211,~~582~~384,~~877~~026.7789 ~~550~~1,~~055~~215,628.7404 0.00 A-3 0.00 0.00 4342,~~894~~109.1651 0.00 A-4 0.00 0.00 7067,~~663~~108.2968 0.00 A-5 0.00 ~~109~~98,~~318~~902,~~142~~707.7231 110,~~482~~848,~~714~~153.7806 0.00 A-6 0.00 22,~~733~~353,~~875~~745.6278 ~~445~~484,~~562~~326.2777 0.00 A-7 0.00 70,775,143.00 294,896.43 0.00 A-8 0.00 11,795,857.00 1516,~~776~~415.9690 0.00 A-9 0.00 0.00 67,~~777~~138.0309 0.00 A-10 0.00 49,~~630~~361,~~282~~551.0534 ~~441~~496,~~312~~202.5584 0.00 A-11 0.00 13,375,000.00 60,744.79 0.00 A-12 0.00 101,~~962~~727,~~123~~145.3198 39,~~957~~256,~~678~~170.1177 0.00 A-13 0.00 4785,~~982,783~~066.3236 14,~~852~~249,~~723~~604.7935 0.00 A-14 0.00 0.00 3,270.83 0.00 A-15 0.00 15,700,000.00 68,687.50 0.00 PO 0.00 ~~659~~654,~~183~~889.9182 394,~~358~~294.5409 0.00 X 0.00 0.00 8076,~~508~~423.7567 0.00 R-I 0.00 0.00 0.00 0.00 R-II 0.00 0.00 0.00 0.00 B-1 0.00 5,~~373~~367,~~695~~994.1898 30,~~327~~329.3664 0.00 B-2 0.00 1,~~906~~904,~~988~~965.2135 10,~~762~~763.4122 0.00 B-3 0.00 1,~~387~~385,~~081~~610.9559 7,828.2382 0.00 B-4 0.00 ~~693~~692,~~540~~805.9829 3,914.1141 0.00 B-5 0.00 519,~~906~~354.2676 2,934.1840 0.00 B-6 0.00 ~~694~~693,~~300~~563.3889 3,918.4070 0.00 Totals 0.00 ~~333~~307,~~090~~379,~~781~~428.6634 1327,~~136~~310,~~690~~864.8851 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 4,750,000.00 ~~3,587,181~~0.4100 ~~110,285~~0.6900 ~~3,476,895~~0.7200 0.00 0.00 A-2 13,250,000.00 1312,~~116~~582,~~155~~877.7677 1615,~~395~~928.3173 ~~516~~1,~~882~~182,922.6914 0.00 0.00 A-3 0.00 0.00 0.00 0.00 0.00 0.00 A-4 0.00 0.00 0.00 0.00 0.00 0.00 A-5 110,364,000.00 ~~110~~109,~~364~~318,~~000~~142.0072 32138,~~154~~386.2442 110,~~013~~277,~~703~~048.0499 0.00 0.00 A-6 23,373,000.00 2322,~~073~~733,~~683~~875.5162 105,~~447~~050.1966 ~~329~~375,~~360~~079.7018 0.00 0.00 A-7 70,775,143.00 70,775,143.00 0.00 0.00 0.00 0.00 A-8 11,795,857.00 11,795,857.00 0.00 0.00 0.00 0.00 A-9 0.00 0.00 0.00 0.00 0.00 0.00 A-10 50,000,000.00 49,~~843~~630,~~146~~282.8405 63,~~544~~570.4054 ~~206~~265,~~320~~160.3917 0.00 0.00 A-11 13,375,000.00 13,375,000.00 0.00 0.00 0.00 0.00 A-12 15,655,750.00 1410,~~888~~962,~~535~~123.5031 ~~120~~122,~~715~~702.1407 39,~~805~~112,~~697~~275.0526 0.00 0.00 A-13 7,116,250.00 64,~~767~~982,~~516~~783.1332 5455,~~870~~773.5267 14,~~729~~141,~~862~~943.30 0.00 0.00 A-14 0.00 0.00 0.00 0.00 0.00 0.00 A-15 15,700,000.00 15,700,000.00 0.00 0.00 0.00 0.00 PO 699,845.00 ~~698~~659,~~542~~183.4591 1,~~297~~160.9933 383,~~060~~133.5676 0.00 0.00 X 0.00 0.00 0.00 0.00 0.00 0.00 R-I 50.00 0.00 0.00 0.00 0.00 0.00 R-II 50.00 0.00 0.00 0.00 0.00 0.00 B-1 5,385,000.00 5,~~379~~373,~~367~~695.1218 5,~~671~~700.9320 0.00 0.00 0.00 B-2 1,911,000.00 1,~~909~~906,~~001~~988.0321 2,~~012~~022.8286 0.00 0.00 0.00 B-3 1,390,000.00 1,~~388~~387,~~546~~081.0295 1,~~464~~471.0636 0.00 0.00 0.00 B-4 695,000.00 ~~694~~693,~~273~~540.0198 ~~732~~735.0368 0.00 0.00 0.00 B-5 521,000.00 ~~520~~519,~~455~~906.0226 ~~548~~551.7650 0.00 0.00 0.00 B-6 695,761.00 ~~695~~694,~~033~~300.2138 ~~732~~736.8349 0.00 0.00 0.00 Totals 347,452,706.00 ~~344~~333,~~571~~090,~~437~~781.0166 ~~363~~353,~~872~~790.9151 1125,~~116~~357,~~782~~562.4580 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 ~~3,587,181~~0.4100 0.00 0.00000000 ~~3,587,181~~0.4100 A-2 ~~533~~1,~~277~~198,850.9987 1211,~~582~~384,~~877~~026.7789 0.~~94965115~~85917184 ~~533~~1,~~277~~198,850.9987 A-3 0.00 0.00 0.00000000 0.00 A-4 0.00 0.00 0.00000000 0.00 A-5 110,~~045~~415,~~857~~435.2841 ~~109~~98,~~318~~902,~~142~~707.7231 0.~~99052356~~89615008 110,~~045~~415,~~857~~435.2841 A-6 ~~339~~380,~~807~~129.8984 22,~~733~~353,~~875~~745.6278 0.~~97265544~~95639181 ~~339~~380,~~807~~129.8984 A-7 0.00 70,775,143.00 1.00000000 0.00 A-8 0.00 11,795,857.00 1.00000000 0.00 A-9 0.00 0.00 0.00000000 0.00 A-10 ~~212~~268,~~864~~730.7971 49,~~630~~361,~~282~~551.0534 0.~~99260564~~98723103 ~~212~~268,~~864~~730.7971 A-11 0.00 13,375,000.00 1.00000000 0.00 A-12 39,~~926~~234,~~412~~977.1933 101,~~962~~727,~~123~~145.3198 0.~~70019790~~11032023 39,~~926~~234,~~412~~977.1933 A-13 14,~~784~~197,~~732~~716.8197 4785,~~982,783~~066.3236 0.~~70019790~~11032023 14,~~784~~197,~~732~~716.8197 A-14 0.00 0.00 0.00000000 0.00 A-15 0.00 15,700,000.00 1.00000000 0.00 PO 394,~~358~~294.5409 ~~659~~654,~~183~~889.9182 0.~~94189986~~93576409 394,~~358~~294.5409 X 0.00 0.00 0.00000000 0.00 R-I 0.00 0.00 0.00000000 0.00 R-II 0.00 0.00 0.00000000 0.00 B-1 5,~~671~~700.9320 5,~~373~~367,~~695~~994.1898 0.~~99790068~~99684215 5,~~671~~700.9320 B-2 2,~~012~~022.8286 1,~~906~~904,~~988~~965.2135 0.~~99790069~~99684215 2,~~012~~022.8286 B-3 1,~~464~~471.0636 1,~~387~~385,~~081~~610.9559 0.~~99790068~~99684215 1,~~464~~471.0636 B-4 ~~732~~735.0368 ~~693~~692,~~540~~805.9829 0.~~99790069~~99684214 ~~732~~735.0368 B-5 ~~548~~551.7650 519,~~906~~354.2676 0.~~99790069~~99684215 ~~548~~551.7650 B-6 ~~732~~736.8349 ~~694~~693,~~300~~563.3889 0.~~99790069~~99684215 ~~732~~736.8349 Totals 1125,~~480~~711,~~655~~353.3331 ~~333~~307,~~090~~379,~~781~~428.6634 0.~~95866510~~88466552 1125,~~480~~711,~~655~~353.3331

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion A-1 4,750,000.00 ~~755~~0.~~19608632~~00000000 230.~~21804000~~00000000 ~~731~~0.~~97804632~~00000000 0.00000000 A-2 13,250,000.00 ~~989~~949.~~89854792~~65115245 1.~~23738189~~20216830 3989.~~01001434~~27714264 0.00000000 A-3 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A-4 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A-5 110,364,000.00 ~~1000~~990.~~00000000~~52356493 01.~~29134718~~25390906 993.~~18508789~~11957695 0.00000000 A-6 23,373,000.00 ~~987~~972.~~19392076~~65544089 0.~~44697685~~21608950 1416.~~09150302~~04754118 0.00000000 A-7 70,775,143.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-8 11,795,857.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-9 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A-10 50,000,000.00 ~~996~~992.~~86293680~~60564100 0.~~13088800~~07141080 45.~~12640780~~30320340 0.00000000 A-11 13,375,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-12 15,655,750.00 ~~950~~700.~~99471440~~19790237 7.~~71059451~~83750826 ~~243~~582.~~08621752~~04016160 0.00000000 A-13 7,116,250.00 ~~950~~700.~~99471351~~19790198 7.~~71059477~~83750852 ~~243~~582.~~08621816~~04016160 0.00000000 A-14 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A-15 15,700,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 PO 699,845.00 ~~998~~941.~~13880216~~89986354 1.~~85468211~~65798141 544.~~38427080~~47779151 0.00000000 X 0.00 0.00000000 0.00000000 0.00000000 0.00000000 R-I 50.00 0.00000000 0.00000000 0.00000000 0.00000000 R-II 50.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 5,385,000.00 ~~998~~997.~~95396843~~90068338 1.~~05328319~~05853296 0.00000000 0.00000000 B-2 1,911,000.00 ~~998~~997.~~95396651~~90068550 1.~~05328100~~05853480 0.00000000 0.00000000 B-3 1,390,000.00 ~~998~~997.~~95397122~~90068345 1.~~05328058~~05853237 0.00000000 0.00000000 B-4 695,000.00 ~~998~~997.~~95397122~~90069065 1.~~05328058~~05853237 0.00000000 0.00000000 B-5 521,000.00 ~~998~~997.~~95397313~~90069098 1.~~05328215~~05854127 0.00000000 0.00000000 B-6 695,761.00 ~~998~~997.~~95396551~~90068716 1.~~05327835~~05853878 0.00000000 0.00000000

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 ~~755~~0.~~19608632~~00000000 0.00000000 0.00000000 ~~755~~0.~~19608632~~00000000 A-2 0.00000000 4090.~~24739547~~47931094 ~~949~~859.~~65115245~~17184075 0.~~94965115~~85917184 4090.~~24739547~~47931094 A-3 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-4 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-5 0.00000000 994.~~47643507~~37348601 ~~990~~896.~~52356493~~15007892 0.~~99052356~~89615008 994.~~47643507~~37348601 A-6 0.00000000 1416.~~53847987~~26363068 ~~972~~956.~~65544089~~39181021 0.~~97265544~~95639181 1416.~~53847987~~26363068 A-7 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 A-8 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 A-9 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-10 0.00000000 45.~~25729580~~37461420 ~~992~~987.~~60564100~~23102680 0.~~99260564~~98723103 45.~~25729580~~37461420 A-11 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 A-12 0.00000000 ~~250~~589.~~79681203~~87766987 ~~700~~110.~~19790237~~32023250 0.~~70019790~~11032023 ~~250~~589.~~79681203~~87766987 A-13 0.00000000 ~~250~~589.~~79681152~~87767012 ~~700~~110.~~19790198~~32023327 0.~~70019790~~11032023 ~~250~~589.~~79681152~~87767012 A-14 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-15 0.00000000 0.00000000 1,000.00000000 1.00000000 0.00000000 PO 0.00000000 566.~~23893862~~13577292 ~~941~~935.~~89986354~~76409062 0.~~94189986~~93576409 566.~~23893862~~13577292 X 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-I 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-II 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 1.~~05328319~~05853296 ~~997~~996.~~90068338~~84215042 0.~~99790068~~99684215 1.~~05328319~~05853296 B-2 0.00000000 1.~~05328100~~05853480 ~~997~~996.~~90068550~~84215071 0.~~99790069~~99684215 1.~~05328100~~05853480 B-3 0.00000000 1.~~05328058~~05853237 ~~997~~996.~~90068345~~84215108 0.~~99790068~~99684215 1.~~05328058~~05853237 B-4 0.00000000 1.~~05328058~~05853237 ~~997~~996.~~90069065~~84214388 0.~~99790069~~99684214 1.~~05328058~~05853237 B-5 0.00000000 1.~~05328215~~05854127 ~~997~~996.~~90069098~~84214971 0.~~99790069~~99684215 1.~~05328215~~05854127 B-6 0.00000000 1.~~05327835~~05853878 ~~997~~996.~~90068716~~84214838 0.~~99790069~~99684215 1.~~05327835~~05853878 (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 4,750,000.00 4.75000% ~~3,587,181~~0.4100 ~~14,199~~0.2600 0.00 0.00 A-2 13,250,000.00 1.~~53500~~60000% 1312,~~116~~582,~~155~~877.7677 16,777.7517 0.00 0.00 A-3 0.00 0.75000% 7067,~~230~~375,~~661~~216.9052 4342,~~894~~109.1651 0.00 0.00 A-4 0.00 6.~~46500~~40000% 1312,~~116~~582,~~155~~877.7677 7067,~~663~~108.2968 0.00 0.00 A-5 110,364,000.00 4.75000% ~~110~~109,~~364~~318,~~000~~142.0072 ~~436~~432,~~857~~717.5065 0.00 0.00 A-6 23,373,000.00 5.50000% 2322,~~073~~733,~~683~~875.5162 ~~105~~104,~~754~~196.3893 0.00 0.00 A-7 70,775,143.00 5.00000% 70,775,143.00 294,896.43 0.00 0.00 A-8 11,795,857.00 1.~~60500~~67000% 11,795,857.00 1516,~~776~~415.9690 0.00 0.00 A-9 0.00 6.~~89500~~83000% 11,795,857.00 67,~~777~~138.0309 0.00 0.00 A-10 50,000,000.00 5.50000% 49,~~843~~630,~~146~~282.8405 ~~228~~227,~~447~~472.7613 0.00 0.00 A-11 13,375,000.00 5.45000% 13,375,000.00 60,744.79 0.00 0.00 A-12 15,655,750.00 2.~~52000~~32000% 1410,~~888~~962,~~535~~123.50 31 21,~~265~~193.9244 0.00 0.00 A-13 7,116,250.00 12.~~05600~~49600% 64,~~767~~982,~~516~~783.1332 6751,~~990~~887.9838 0.00 0.00 A-14 0.00 0.25000% 15,700,000.00 3,270.83 0.00 0.00 A-15 15,700,000.00 5.25000% 15,700,000.00 68,687.50 0.00 0.00 PO 699,845.00 0.00000% ~~698~~659,~~542~~183.4591 0.00 0.00 0.00 X 0.00 0.~~28038~~27533% ~~344~~333,~~571~~090,~~437~~781.0065 8076,~~508~~423.7567 0.00 0.00 R-I 50.00 5.50000% 0.00 0.00 0.00 0.00 R-II 50.00 5.50000% 0.00 0.00 0.00 0.00 B-1 5,385,000.00 5.50000% 5,~~379~~373,~~367~~695.1218 24,~~655~~629.4344 0.00 0.00 B-2 1,911,000.00 5.50000% 1,~~909~~906,~~001~~988.0321 8,~~749~~740.5936 0.00 0.00 B-3 1,390,000.00 5.50000% 1,~~388~~387,~~546~~081.0295 6,~~364~~357.1746 0.00 0.00 B-4 695,000.00 5.50000% ~~694~~693,~~273~~540.0198 3,~~182~~178.0873 0.00 0.00 B-5 521,000.00 5.50000% ~~520~~519,~~455~~906.0226 2,~~385~~382.4290 0.00 0.00 B-6 695,761.00 5.50000% ~~695~~694,~~033~~300.2138 3,~~185~~182.5721 0.00 0.00 Totals 347,452,706.00 1,~~656~~599,~~035~~511.5520 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 0.00 0.00 ~~14,199~~0.2600 0.00 0.00 A-2 0.00 0.00 16,777.7517 0.00 1211,~~582~~384,~~877~~026.7789 A-3 0.00 0.00 4342,~~894~~109.1651 0.00 6760,~~375~~955,~~216~~950.5271 A-4 0.00 0.00 7067,~~663~~108.2968 0.00 1211,~~582~~384,~~877~~026.7789 A-5 0.00 0.00 ~~436~~432,~~857~~717.5065 0.00 ~~109~~98,~~318~~902,~~142~~707.7231 A-6 0.00 0.00 ~~105~~104,~~754~~196.3893 0.00 22,~~733~~353,~~875~~745.6278 A-7 0.00 0.00 294,896.43 0.00 70,775,143.00 A-8 0.00 0.00 1516,~~776~~415.9690 0.00 11,795,857.00 A-9 0.00 0.00 67,~~777~~138.0309 0.00 11,795,857.00 A-10 0.00 0.00 ~~228~~227,~~447~~472.7613 0.00 49,~~630~~361,~~282~~551.0534 A-11 0.00 0.00 60,744.79 0.00 13,375,000.00 A-12 0.00 0.00 3121,~~265~~193.9244 0.00 101,~~962~~727,~~123~~145.3198 A-13 0.00 0.00 6751,~~990~~887.9838 0.00 4785,~~982,783~~066.3236 A-14 0.00 0.00 3,270.83 0.00 15,700,000.00 A-15 0.00 0.00 68,687.50 0.00 15,700,000.00 PO 0.00 0.00 0.00 0.00 ~~659~~654,~~183~~889.9182 X 0.00 0.00 8076,~~508~~423.7567 0.00 ~~333~~307,~~090~~379,~~781~~428.6535 R-I 0.00 0.00 0.00 0.00 0.00 R-II 0.00 0.00 0.00 0.00 0.00 B-1 0.00 0.00 24,~~655~~629.4344 0.00 5,~~373~~367,~~695~~994.1898 B-2 0.00 0.00 8,~~749~~740.5936 0.00 1,~~906~~904,~~988~~965.2135 B-3 0.00 0.00 6,~~364~~357.1746 0.00 1,~~387~~385,~~081~~610.9559 B-4 0.00 0.00 3,~~182~~178.0873 0.00 ~~693~~692,~~540~~805.9829 B-5 0.00 0.00 2,~~385~~382.4290 0.00 519,~~906~~354.2676 B-6 0.00 0.00 3,~~185~~182.5721 0.00 ~~694~~693,~~300~~563.3889 Totals 0.00 0.00 1,~~656~~599,~~035~~511.5520 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 4,750,000.00 4.75000% ~~755~~0.~~19608632~~00000000 20.~~98931789~~00000000 0.00000000 0.00000000 A-2 13,250,000.00 1.~~53500~~60000% ~~989~~949.~~89854792~~65115245 1.~~26624528~~26620151 0.00000000 0.00000000 A-3 0.00 0.75000% ~~989~~949.~~89854770~~65115207 0.~~61868654~~59353197 0.00000000 0.00000000 A-4 0.00 6.~~46500~~40000% ~~989~~949.~~89854792~~65115245 5.~~33307849~~06480604 0.00000000 0.00000000 A-5 110,364,000.00 4.75000% ~~1000~~990.~~00000000~~52356493 3.~~95833333~~92082246 0.00000000 0.00000000 A-6 23,373,000.00 5.50000% ~~987~~972.~~19392076~~65544089 4.~~52463869~~45800411 0.00000000 0.00000000 A-7 70,775,143.00 5.00000% 1000.00000000 4.16666668 0.00000000 0.00000000 A-8 11,795,857.00 1.~~60500~~67000% 1000.00000000 1.~~33750011~~39166658 0.00000000 0.00000000 A-9 0.00 6.~~89500~~83000% 1000.00000000 5.~~74583347~~69166700 0.00000000 0.00000000 A-10 50,000,000.00 5.50000% ~~996~~992.~~86293680~~60564100 4.~~56895520~~54944260 0.00000000 0.00000000 A-11 13,375,000.00 5.45000% 1000.00000000 4.54166654 0.00000000 0.00000000 A-12 15,655,750.00 2.~~52000~~32000% ~~950~~700.~~99471440~~19790237 1.~~99708861~~35371605 0.00000000 0.00000000 A-13 7,116,250.00 12.~~05600~~49600% ~~950~~700.~~99471351~~19790198 97.~~55432707~~29139364 0.00000000 0.00000000 A-14 0.00 0.25000% 1000.00000000 0.20833312 0.00000000 0.00000000 A-15 15,700,000.00 5.25000% 1000.00000000 4.37500000 0.00000000 0.00000000 PO 699,845.00 0.00000% ~~998~~941.~~13880216~~89986354 0.00000000 0.00000000 0.00000000 X 0.00 0.~~28038~~27533% ~~991~~958.~~70744982~~66509570 0.~~23171139~~21995417 0.00000000 0.00000000 R-I 50.00 5.50000% 0.00000000 0.00000000 0.00000000 0.00000000 R-II 50.00 5.50000% 0.00000000 0.00000000 0.00000000 0.00000000 B-1 5,385,000.00 5.50000% ~~998~~997.~~95396843~~90068338 4.~~57853853~~57371216 0.00000000 0.00000000 B-2 1,911,000.00 5.50000% ~~998~~997.~~95396651~~90068550 4.~~57854003~~57371010 0.00000000 0.00000000 B-3 1,390,000.00 5.50000% ~~998~~997.~~95397122~~90068345 4.~~57853957~~57371223 0.00000000 0.00000000 B-4 695,000.00 5.50000% ~~998~~997.~~95397122~~90069065 4.~~57853237~~57371223 0.00000000 0.00000000 B-5 521,000.00 5.50000% ~~998~~997.~~95397313~~90069098 4.~~57854127~~57370441 0.00000000 0.00000000 B-6 695,761.00 5.50000% ~~998~~997.~~95396551~~90068716 4.~~57854062~~57371138 0.00000000 0.00000000 (5) Per $1 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 0.00000000 20.~~98931789~~00000000 0.00000000 0.00000000 A-2 0.00000000 0.00000000 1.~~26624528~~26620151 0.00000000 ~~949~~859.~~65115245~~17184075 A-3 0.00000000 0.00000000 0.~~61868654~~59353197 0.00000000 ~~949~~859.~~65115207~~17184103 A-4 0.00000000 0.00000000 5.~~33307849~~06480604 0.00000000 ~~949~~859.~~65115245~~17184075 A-5 0.00000000 0.00000000 3.~~95833333~~92082246 0.00000000 ~~990~~896.~~52356493~~15007892 A-6 0.00000000 0.00000000 4.~~52463869~~45800411 0.00000000 ~~972~~956.~~65544089~~39181021 A-7 0.00000000 0.00000000 4.16666668 0.00000000 1000.00000000 A-8 0.00000000 0.00000000 1.~~33750011~~39166658 0.00000000 1000.00000000 A-9 0.00000000 0.00000000 5.~~74583347~~69166700 0.00000000 1000.00000000 A-10 0.00000000 0.00000000 4.~~56895520~~54944260 0.00000000 ~~992~~987.~~60564100~~23102680 A-11 0.00000000 0.00000000 4.54166654 0.00000000 1000.00000000 A-12 0.00000000 0.00000000 1.~~99708861~~35371605 0.00000000 ~~700~~110.~~19790237~~32023250 A-13 0.00000000 0.00000000 97.~~55432707~~29139364 0.00000000 ~~700~~110.~~19790198~~32023327 A-14 0.00000000 0.00000000 0.20833312 0.00000000 1000.00000000 A-15 0.00000000 0.00000000 4.37500000 0.00000000 1000.00000000 PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~941~~935.~~89986354~~76409062 X 0.00000000 0.00000000 0.~~23171139~~21995417 0.00000000 ~~958~~884.~~66509570~~66551862 R-I 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-II 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 0.00000000 4.~~57853853~~57371216 0.00000000 ~~997~~996.~~90068338~~84215042 B-2 0.00000000 0.00000000 4.~~57854003~~57371010 0.00000000 ~~997~~996.~~90068550~~84215071 B-3 0.00000000 0.00000000 4.~~57853957~~57371223 0.00000000 ~~997~~996.~~90068345~~84215108 B-4 0.00000000 0.00000000 4.~~57853237~~57371223 0.00000000 ~~997~~996.~~90069065~~84214388 B-5 0.00000000 0.00000000 4.~~57854127~~57370441 0.00000000 ~~997~~996.~~90069098~~84214971 B-6 0.00000000 0.00000000 4.~~57854062~~57371138 0.00000000 ~~997~~996.~~90068716~~84214838 (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 1327,~~199~~322,~~825~~806.9221 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 1433,~~717~~202.1497 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 1327,~~214~~356,~~543~~009.0618 Withdrawals Reimbursement for Servicer Advances 3214,~~205~~717.7714 Payment of Service Fee 4530,~~646~~427.4153 Payment of Interest and Principal 1327,~~136~~310,~~690~~864.8851 Total Withdrawals (Pool Distribution Amount) 1327,~~214~~356,~~543~~009.0618 Ending Balance 0.00

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall 2941,~~010~~742.7714 Servicing Fee Support 2941,~~010~~742.7714 Non-Supported Prepayment/Curtailment Interest Shortfall 0.00

SERVICING FEES Gross Servicing Fee 7169,~~785~~393.7492 Master Servicing Fee 2,~~871~~775.4475 Supported Prepayment/Curtailment Interest Shortfall 2941,~~010~~742.7714 Net Servicing Fee 4530,~~646~~427.4153

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 612 0 0 0 612 25,~~478~~674,~~728~~717.4443 0.00 0.00 0.00 25,~~478~~674,~~728~~717.4443 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 612 0 0 0 612 25,~~478~~674,~~728~~717.4443 0.00 0.00 0.00 25,~~478~~674,~~728~~717.4443 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 01.~~833333~~793722% 0.000000% 0.000000% 0.000000% 01.~~833333~~793722% 01.~~743518~~844607% 0.000000% 0.000000% 0.000000% 01.~~743518~~844607% 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 01.~~833333~~793722% 0.000000% 0.000000% 0.000000% 01.~~833333~~793722% 01.~~743518~~844607% 0.000000% 0.000000% 0.000000% 01.~~743518~~844607%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 1433,~~717~~202.1497

SUBORDINATION LEVEL/CLASS PERCENTAGE AND PREPAYMENT PERCENTAGE Current Original $ Original % Current $ Current % Class% Prepayment% Class A 11,297,706.00 3.25158095% 11,~~234~~219,~~696~~184.8768 3.~~37286334~~64994650% 96.~~818740~~555771% 100.000000% Class R-I 11,297,656.00 3.25156656% 11,~~234~~219,~~696~~184.8768 3.~~37286334~~64994650% 0.000000% 0.000000% Class R-II 11,297,606.00 3.25155217% 11,~~234~~219,~~696~~184.8768 3.~~37286334~~64994650% 0.000000% 0.000000% Class X 10,597,761.00 3.05013051% 10,~~575~~564,~~512~~294.9686 3.~~17496417~~43689066% 0.000000% 0.000000% Class B-1 5,212,761.00 1.50027929% 5,~~201~~196,~~817~~299.7888 1.~~56168170~~69051648% 1.~~616481~~750103% 0.000000% Class B-2 3,301,761.00 0.95027638% 3,~~294~~291,~~829~~334.5753 01.~~98916864~~07077255% 0.~~573648~~621067% 0.000000% Class B-3 1,911,761.00 0.55022193% 1,~~907~~905,~~747~~723.6294 0.~~57274104~~61999072% 0.~~417253~~451744% 0.000000% Class B-4 1,216,761.00 0.35019471% 1,~~214~~212,~~206~~918.6465 0.~~36452724~~39459981% 0.~~208627~~225872% 0.000000% Class B-5 695,761.00 0.20024625% ~~694~~693,~~300~~563.3889 0.~~20844179~~22563771% 0.~~156395~~169323% 0.000000% Class B-6 0.00 0.00000000% 0.00 0.00000000% 0.~~208855~~226119% 0.000000% Please Refer to the Prospectus Supplement for a Full Description of Loss Exposure

COLLATERAL STATEMENT Collateral Description Fixed 30 Year Weighted Average Gross Coupon 6.~~029229~~024441% Weighted Average Pass-Through Rate 5.~~769229~~764441% Weighted Average Maturity(Stepdown Calculation ) ~~353~~352 Beginning Scheduled Collateral Loan Count ~~744~~720 Number Of Loans Paid In Full 2451 Ending Scheduled Collateral Loan Count ~~720~~669 Beginning Scheduled Collateral Balance ~~344~~333,~~571~~090,~~437~~781.1075 Ending Scheduled Collateral Balance ~~333~~307,~~090~~379,~~781~~428.7545 Ending Actual Collateral Balance at 3031-~~Jun~~Jul-2003 ~~333~~307,~~378~~638,~~358~~338.9927 Monthly P &I Constant 2,~~095~~026,~~122~~028.9268 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 1327,~~037~~246,~~647~~881.6723 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~333~~307,~~090~~379,~~781~~428.7545 Scheduled Principal ~~363~~353,~~872~~790.9150 Unscheduled Principal 1125,~~116~~357,~~782~~562.4480

Miscellaneous Reporting Average Loss Severity 0.00 MBIA Premium Amount 557.29 Senior Prepayment Percentage 100.000000% Senior Percentage 96.~~921341~~818740% Subordinate Percentage 3.~~078659~~181260% Subordinate Prepayment Percentage 0.000000%

Filing Compare · PRIME MORTGAGE TRUST 2003-1