10-D 1 wfa07pa1_10d-200710.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 FORM 10-D ASSET-BACKED ISSUER DISTRIBUTION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the monthly distribution period from: September 26, 2007 to October 25, 2007 Commission File Number of issuing entity: 333-133209-01 Wells Fargo Alternative Loan 2007-PA1 Trust (Exact name of issuing entity as specified in its charter) Commission File Number of depositor: 333-133209 Wells Fargo Asset Securities Corporation (Exact name of depositor as specified in its charter) Wells Fargo Bank, N.A. (Exact name of sponsor as specified in its charter) New York (State or other jurisdiction of incorporation or organization of the issuing entity) 54-2198974 54-2198975 54-6737534 (I.R.S. Employer Identification No.) c/o Wells Fargo Bank, N.A. 9062 Old Annapolis Road Columbia, MD 21045 (Address of principal executive offices of the issuing entity) (Zip Code) (410) 884-2000 (Telephone number, including area code) Not Applicable (Former name, former address, if changed since last report) Registered/reporting pursuant to (check one) Title of Section Section Section Name of Exchange Class 12(b) 12(g) 15(d) (If Section 12(b)) A-PO _____ _____ __X___ ____________ A-1 _____ _____ __X___ ____________ A-2 _____ _____ __X___ ____________ A-3 _____ _____ __X___ ____________ A-4 _____ _____ __X___ ____________ A-5 _____ _____ __X___ ____________ A-6 _____ _____ __X___ ____________ A-7 _____ _____ __X___ ____________ A-8 _____ _____ __X___ ____________ A-9 _____ _____ __X___ ____________ A-10 _____ _____ __X___ ____________ A-11 _____ _____ __X___ ____________ A-12 _____ _____ __X___ ____________ A-13 _____ _____ __X___ ____________ A-R _____ _____ __X___ ____________ A-WIO _____ _____ __X___ ____________ B-1 _____ _____ __X___ ____________ B-2 _____ _____ __X___ ____________ B-3 _____ _____ __X___ ____________ B-4 _____ _____ __X___ ____________ B-5 _____ _____ __X___ ____________ B-6 _____ _____ __X___ ____________

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes __X__ No ____ Part I - DISTRIBUTION INFORMATION Item 1. Distribution and Pool Performance Information On October 25, 2007 a distribution was made to holders of Wells Fargo Alternative Loan 2007-PA1 Trust. The distribution report is attached as an Exhibit to this Form 10-D. Please see Item 9(b), Exhibit 99.1 for the related information. Part II - OTHER INFORMATION Item 9. Exhibits. (a) The following is a list of documents filed as part of this Report on Form 10-D: (99.1) Monthly report distributed to holders of Wells Fargo Alternative Loan 2007-PA1 Trust, relating to the October 25, 2007 distribution. (b) The exhibits required to be filed by the Registrant pursuant to this Form are listed above and in the Exhibit Index that immediately follows the signature page hereof. SIGNATURES 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 thereunto duly authorized. Wells Fargo Alternative Loan 2007-PA1 Trust (Issuing Entity) Wells Fargo Bank, N.A. (Master Servicer) /s/ Elisabeth A. Brewster Elisabeth A. Brewster, Vice President Date: November 6, 2007 EXHIBIT INDEX Exhibit Number Description EX-99.1 Monthly report distributed to holders of Wells Fargo Alternative Loan 2007-PA1 Trust, relating to the October 25, 2007 distribution. EX-99.1 Wells Fargo Asset Securities Corporation Alternative Loan Trust Distribution Date: 10/25/2007 Wells Fargo Asset Securities Corporation Alternative Loan Trust Series 2007-PA1 Contact: Customer Service - CTSLink Wells Fargo Bank, N.A. Securities Administration Services 8480 Stagecoach Circle Frederick, MD 21701-4747 www.ctslink.com Telephone: 1-866-846-4526 Fax: 240-586-8675

Certificateholder Distribution Summary Class CUSIP Record Certificate Beginning Interest Date Pass-Through Certificate Distribution Rate Balance A-PO 94984TAQ2 0509/3128/2007 0.00000% 98,~~103~~897,~~693~~316.0082 0.00 A-1 94984TAA7 0610/2224/2007 5.~~64000~~45125% ~~162~~157,~~641~~044,~~533~~660.5697 ~~764~~713,~~412~~423.9865 A-2 94984TAB5 0610/2224/2007 1.~~36000~~54875% 0.00 ~~184~~202,~~326~~690.5319 A-3 94984TAC3 0509/3128/2007 6.00000% 49,557,000.00 247,~~784~~790.2840 A-4 94984TAD1 0509/3128/2007 6.00000% ~~113~~108,~~232~~536,~~691~~374.8398 ~~566~~542,~~161~~693.8171 A-5 94984TAE9 0509/3128/2007 6.00000% ~~104~~101,~~727~~753,~~194~~985.2233 ~~523~~508,~~634~~781.4402 A-6 94984TAF6 0509/3128/2007 6.00000% 42,394,000.00 211,~~969~~974.3862 A-7 94984TAG4 0509/3128/2007 6.00000% 27,951,000.00 139,~~754~~758.5905 A-8 94984TAH2 0610/2224/2007 5.~~86000~~67125% 8377,~~938~~240,~~161~~911.8903 ~~409~~365,~~896~~051.8372 A-9 94984TAJ8 0610/2224/2007 5.~~81000~~62125% 2725,~~979~~746,~~387~~970.3034 ~~135~~120,~~466~~611.4709 A-10 94984TAK5 0509/3128/2007 6.00000% 32,582,500.00 162,~~912~~916.0205 A-11 94984TAL3 0509/3128/2007 6.00000% 5,~~562~~371,~~665~~241.4522 2726,~~813~~856.2579 A-12 94984TAM1 0610/2224/2007 0.~~14000~~32875% 0.00 1328,~~057~~215.0100 A-13 94984TAN9 0610/2224/2007 0.05000% 0.00 1,~~165~~072.8081 A-R 94984TAR0 0509/3128/2007 6.25000% 0.00 ~~414~~4.7985 A-WIO 94984TAP4 0509/3128/2007 0.~~50020~~49509% 0.00 ~~144~~136,~~488~~980.6064 B-1 94984TAS8 0509/3128/2007 6.25000% 25,~~999~~936,~~781~~562.9888 135,~~415~~089.1229 B-2 94984TAT6 0509/3128/2007 6.25000% 6,~~500~~484,~~444~~638.6162 33,~~856~~774.3892 B-3 94984TAU3 0509/3128/2007 6.25000% 5,~~056~~043,~~012~~718.2846 26,~~333~~269.3296 B-4 94984TAV1 0509/3128/2007 6.25000% 3,~~250~~242,~~222~~319.3031 16,~~928~~887.1946 B-5 94984TAW9 0509/3128/2007 6.25000% 2,~~888~~881,~~864~~840.6632 15,~~046~~009.1292 B-6 94984TAX7 0509/3128/2007 6.25000% 2,~~166~~161,~~901~~632.2235 11,~~285~~258.9175 Totals ~~705~~682,~~532~~826,~~054~~672.3063 3,~~772~~647,~~123~~110.8289

Certificateholder Distribution Summary (continued) Class Principal Current Ending Total Cumulative Distribution Realized Certificate Distribution Realized Loss Balance Losses A-PO 2430,~~566~~148.7577 ~~79,585~~0.6800 8,~~999~~867,~~540~~168.5606 2430,~~566~~148.7577 ~~79,585~~0.6800 A-1 1825,~~045,660~~380.3432 0.00 ~~161~~156,~~595~~219,~~873~~280.2265 1,~~810~~538,~~073~~803.3297 0.00 A-2 0.00 0.00 0.00 ~~184~~202,~~326~~690.5319 0.00 A-3 0.00 0.00 49,557,000.00 247,~~784~~790.2840 0.00 A-4 ~~877~~692,~~410~~573.0583 0.00 ~~112~~107,~~355~~843,~~281~~801.7814 1,~~443~~235,~~571~~267.8654 0.00 A-5 ~~623~~941,~~692~~650.0704 0.00 ~~104~~100,~~103~~812,~~502~~335.1428 1,~~147~~450,~~326~~431.5106 0.00 A-6 0.00 0.00 42,394,000.00 211,~~969~~974.3862 0.00 A-7 0.00 0.00 27,951,000.00 139,~~754~~758.5905 0.00 A-8 1610,~~200,086~~265.4157 0.00 8276,~~738~~630,~~075~~645.4846 1975,~~609,983~~317.2429 0.00 A-9 ~~400~~203,~~028~~421.8086 0.00 2725,~~579~~543,~~358~~548.49 ~~535~~324,~~495~~032.2795 0.00 A-10 0.00 0.00 32,582,500.00 162,~~912~~916.0205 0.00 A-11 3528,~~763~~229.6766 0.00 5,~~526~~343,~~901~~011.7756 6355,~~576~~086.9245 0.00 A-12 0.00 0.00 0.00 1328,~~057~~215.0100 0.00 A-13 0.00 0.00 0.00 1,~~165~~072.8081 0.00 A-R 0.00 0.00 0.00 ~~414~~4.7985 0.00 A-WIO 0.00 0.00 0.00 ~~144~~136,~~488~~980.6064 0.00 B-1 1516,~~686~~117.3947 0.00 25,~~984~~920,~~095~~445.5942 151,~~101~~206.5176 0.00 B-2 34,~~921~~029.9068 0.00 6,~~496~~480,~~522~~608.7194 37,~~778~~804.2860 0.00 B-3 3,~~050~~134.4326 0.00 5,~~052~~040,~~961~~584.8420 29,~~383~~404.7522 0.00 B-4 12,~~960~~014.9584 0.00 3,~~248~~240,~~261~~304.3547 18,~~889~~902.1430 0.00 B-5 1,~~742~~790.9383 0.00 2,~~887~~880,~~121~~049.7349 16,~~789~~800.0575 0.00 B-6 1,~~307~~343.3528 0.00 2,~~165~~160,~~593~~289.8707 12,~~593~~602.2603 0.00 Totals 43,~~234~~360,~~878~~100.0441 ~~79,585~~0.6800 ~~701~~679,~~217~~466,~~590~~572.5323 87,007,~~001~~211.8630 ~~79,585~~0.6800 All Record Dates are based upon the governing documents and logic set forth as of closing.

Principal Distribution Statement Class Original Beginning Scheduled UnScheduled Accretion Face Certificate Principal Principal Amount Balance Distribution Distribution A-PO 9,194,639.26 98,~~103~~897,~~693~~316.0082 56,~~929~~042.4144 1824,~~637~~106.34 0.00 A-1 167,095,500.00 ~~162~~157,~~641~~044,~~533~~660.5697 9897,~~126~~590.1549 ~~947~~727,~~534~~789.1983 0.00 A-2 0.00 0.00 0.00 0.00 0.00 A-3 49,557,000.00 49,557,000.00 0.00 0.00 0.00 A-4 116,970,000.00 ~~113~~108,~~232~~536,~~691~~374.8398 8281,~~337~~887.3285 ~~795~~610,~~072~~685.7498 0.00 A-5 106,117,000.00 ~~104~~101,~~727~~753,~~194~~985.2233 58111,~~528~~337.0988 ~~565~~830,~~163~~312.9916 0.00 A-6 42,394,000.00 42,394,000.00 0.00 0.00 0.00 A-7 27,951,000.00 27,951,000.00 0.00 0.00 0.00 A-8 90,000,000.00 8377,~~938~~240,~~161~~911.8903 ~~112~~72,~~617~~155.6997 1538,~~087,468~~109.7260 0.00 A-9 30,000,000.00 2725,~~979~~746,~~387~~970.3034 3724,~~539~~051.2399 ~~362~~179,~~489~~369.5787 0.00 A-10 32,582,500.00 32,582,500.00 0.00 0.00 0.00 A-11 5,715,000.00 5,~~562~~371,~~665~~241.4522 3,~~356~~337.1179 3224,~~407~~891.5687 0.00 A-12 0.00 0.00 0.00 0.00 0.00 A-13 0.00 0.00 0.00 0.00 0.00 A-R 100.00 0.00 0.00 0.00 0.00 A-WIO 0.00 0.00 0.00 0.00 0.00 B-1 26,046,000.00 25,~~999~~936,~~781~~562.9888 1516,~~686~~117.3947 0.00 0.00 B-2 6,512,000.00 6,~~500~~484,~~444~~638.6162 34,~~921~~029.9068 0.00 0.00 B-3 5,065,000.00 5,~~056~~043,~~012~~718.2846 3,~~050~~134.4326 0.00 0.00 B-4 3,256,000.00 3,~~250~~242,~~222~~319.3031 12,~~960~~014.9584 0.00 0.00 B-5 2,894,000.00 2,~~888~~881,~~864~~840.6632 1,~~742~~790.9383 0.00 0.00 B-6 2,170,753.17 2,~~166~~161,~~901~~632.2235 1,~~307~~343.3528 0.00 0.00 Totals 723,520,492.43 ~~705~~682,~~532~~826,~~054~~672.3063 ~~426~~424,~~103~~834.9577 32,~~808~~935,~~774~~265.1165 0.00

Principal Distribution Statement (continued) Class Realized Total Ending Ending Total Loss Principal Certificate Certificate Principal Reduction Balance Percentage Distribution A-PO ~~79,585~~0.6800 ~~104~~30,~~152~~148.4377 8,~~999~~867,~~540~~168.5606 0.~~97878126~~96438455 2430,~~566~~148.7577 A-1 0.00 1825,~~045,660~~380.3432 ~~161~~156,~~595~~219,~~873~~280.2265 0.~~96708692~~93491016 1825,~~045,660~~380.3432 A-2 0.00 0.00 0.00 0.00000000 0.00 A-3 0.00 0.00 49,557,000.00 1.00000000 0.00 A-4 0.00 ~~877~~692,~~410~~573.0583 ~~112~~107,~~355~~843,~~281~~801.7814 0.~~96054785~~92197829 ~~877~~692,~~410~~573.0583 A-5 0.00 ~~623~~941,~~692~~650.0704 ~~104~~100,~~103~~812,~~502~~335.1428 0.~~98102568~~95001117 ~~623~~941,~~692~~650.0704 A-6 0.00 0.00 42,394,000.00 1.00000000 0.00 A-7 0.00 0.00 27,951,000.00 1.00000000 0.00 A-8 0.00 1610,~~200,086~~265.4157 8276,~~738~~630,~~075~~645.4846 0.~~91931195~~85145162 1610,~~200,086~~265.4157 A-9 0.00 ~~400~~203,~~028~~421.8086 2725,~~579~~543,~~358~~548.49 0.~~91931195~~85145162 ~~400~~203,~~028~~421.8086 A-10 0.00 0.00 32,582,500.00 1.00000000 0.00 A-11 0.00 3528,~~763~~229.6766 5,~~526~~343,~~901~~011.7756 0.~~96708692~~93491016 3528,~~763~~229.6766 A-12 0.00 0.00 0.00 0.00000000 0.00 A-13 0.00 0.00 0.00 0.00000000 0.00 A-R 0.00 0.00 0.00 0.00000000 0.00 A-WIO 0.00 0.00 0.00 0.00000000 0.00 B-1 0.00 1516,~~686~~117.3947 25,~~984~~920,~~095~~445.5942 0.~~99762327~~99517951 1516,~~686~~117.3947 B-2 0.00 34,~~921~~029.9068 6,~~496~~480,~~522~~608.7194 0.~~99762327~~99517951 34,~~921~~029.9068 B-3 0.00 3,~~050~~134.4326 5,~~052~~040,~~961~~584.8420 0.~~99762327~~99517951 3,~~050~~134.4326 B-4 0.00 12,~~960~~014.9584 3,~~248~~240,~~261~~304.3547 0.~~99762326~~99517951 12,~~960~~014.9584 B-5 0.00 1,~~742~~790.9383 2,~~887~~880,~~121~~049.7349 0.~~99762327~~99517951 1,~~742~~790.9383 B-6 0.00 1,~~307~~343.3528 2,~~165~~160,~~593~~289.8707 0.~~99762327~~99517951 1,~~307~~343.3528 Totals ~~$79,585~~0.6800 43,~~314~~360,~~463~~100.7241 ~~701~~679,~~217~~466,~~590~~572.5323 0.~~96917447~~93911172 43,~~234~~360,~~878~~100.0441

Principal Distribution Factors Statement Class Original Beginning Scheduled UnScheduled Accretion Face Certificate Principal Principal Amount Balance Distribution Distribution A-PO 9,194,639.26 ~~990~~967.~~10877345~~66350135 0.~~64487685~~65716988 2.~~02697892~~62178203 0.00000000 A-1 167,095,500.00 ~~973~~939.~~34478523~~84973246 0.~~58724592~~58404020 54.~~67061465~~35553220 0.00000000 A-2 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A-3 49,557,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-4 116,970,000.00 ~~968~~927.~~04900256~~89924750 0.~~70391827~~70007566 65.~~79723639~~22087698 0.00000000 A-5 106,117,000.00 ~~986~~958.~~90308075~~88486604 01.~~55154301~~04919928 57.~~32585721~~82449711 0.00000000 A-6 42,394,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-7 27,951,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-8 90,000,000.00 ~~932~~858.~~64624322~~23234478 10.~~25130767~~80173300 125.~~08298578~~97899556 0.00000000 A-9 30,000,000.00 ~~932~~858.~~64624333~~23234467 10.~~25130767~~80173300 125.~~08298567~~97899567 0.00000000 A-10 32,582,500.00 1000.00000000 0.00000000 0.00000000 0.00000000 A-11 5,715,000.00 ~~973~~939.~~34478565~~84973228 0.~~58724584~~58404024 54.~~67061417~~35553281 0.00000000 A-12 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A-13 0.00 0.00000000 0.00000000 0.00000000 0.00000000 A-R 100.00 0.00000000 0.00000000 0.00000000 0.00000000 A-WIO 0.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 26,046,000.00 ~~998~~995.~~22552330~~79831375 0.~~60225716~~61880788 0.00000000 0.00000000 B-2 6,512,000.00 ~~998~~995.~~22552365~~79831388 0.~~60225737~~61880835 0.00000000 0.00000000 B-3 5,065,000.00 ~~998~~995.~~22552419~~79831392 0.~~60225666~~61880750 0.00000000 0.00000000 B-4 3,256,000.00 ~~998~~995.~~22552211~~79831388 0.~~60225737~~61880835 0.00000000 0.00000000 B-5 2,894,000.00 ~~998~~995.~~22552177~~79831375 0.~~60225639~~61880788 0.00000000 0.00000000 B-6 2,170,753.17 ~~998~~995.~~22552372~~79831548 0.~~60225640~~61880826 0.00000000 0.00000000

Principal Distribution Factors Statement (continued) Class Realized Total Ending Ending Total Loss Principal Certificate Certificate Principal Reduction Balance Percentage Distribution A-PO 80.~~65566095~~00000000 113.~~32751673~~27895083 ~~978~~964.~~78125563~~38455161 0.~~97878126~~96438455 23.~~67185577~~27895083 A-1 0.00000000 64.~~25786056~~93957240 ~~967~~934.~~08692466~~91016006 0.~~96708692~~93491016 64.~~25786056~~93957240 A-2 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-3 0.00000000 0.00000000 1000.00000000 1.00000000 0.00000000 A-4 0.00000000 75.~~50115457~~92095264 ~~960~~921.~~54784800~~97829478 0.~~96054785~~92197829 75.~~50115457~~92095264 A-5 0.00000000 58.~~87740013~~87369639 ~~981~~950.~~02568052~~01116956 0.~~98102568~~95001117 58.~~87740013~~87369639 A-6 0.00000000 0.00000000 1000.00000000 1.00000000 0.00000000 A-7 0.00000000 0.00000000 1000.00000000 1.00000000 0.00000000 A-8 0.00000000 136.~~33429344~~78072856 ~~919~~851.~~31194978~~45161622 0.~~91931195~~85145162 136.~~33429344~~78072856 A-9 0.00000000 136.~~33429333~~78072867 ~~919~~851.~~31194967~~45161633 0.~~91931195~~85145162 136.~~33429333~~78072867 A-10 0.00000000 0.00000000 1000.00000000 1.00000000 0.00000000 A-11 0.00000000 64.~~25786002~~93957305 ~~967~~934.~~08692388~~91015923 0.~~96708692~~93491016 64.~~25786002~~93957305 A-12 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-13 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 A-WIO 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 0.~~60225716~~61880788 ~~997~~995.~~62326614~~17950626 0.~~99762327~~99517951 0.~~60225716~~61880788 B-2 0.00000000 0.~~60225737~~61880835 ~~997~~995.~~62326628~~17950553 0.~~99762327~~99517951 0.~~60225737~~61880835 B-3 0.00000000 0.~~60225666~~61880750 ~~997~~995.~~62326555~~17950642 0.~~99762327~~99517951 0.~~60225666~~61880750 B-4 0.00000000 0.~~60225737~~61880835 ~~997~~995.~~62326474~~17950553 0.~~99762326~~99517951 0.~~60225737~~61880835 B-5 0.00000000 0.~~60225639~~61880788 ~~997~~995.~~62326538~~17950587 0.~~99762327~~99517951 0.~~60225639~~61880788 B-6 0.00000000 0.~~60225640~~61880826 ~~997~~995.~~62326732~~17950721 0.~~99762327~~99517951 0.~~60225640~~61880826 NOTE: All classes per $1,000 denomination.

Interest Distribution Statement Class Accrual Accrual Current Beginning Current Payment of Dates Days Certificate Certificate/ Accrued Unpaid Interest Rate Notional Interest Shortfall (1) Balance A-PO N/A N/A 0.00000% 98,~~103~~897,~~693~~316.0082 0.00 0.00 A-1 0509/25/07 - 0610/24/07 30 5.~~64000~~45125% ~~162~~157,~~641~~044,~~533~~660.5697 ~~764~~713,~~415~~408.2109 0.00 A-2 0509/25/07 - 0610/24/07 30 1.~~36000~~54875% ~~162~~157,~~641~~044,~~533~~660.5697 ~~184~~202,~~327~~685.0777 0.00 A-3 0509/01/07 - 0509/30/07 30 6.00000% 49,557,000.00 247,785.00 0.00 A-4 0509/01/07 - 0509/30/07 30 6.00000% ~~113~~108,~~232~~536,~~691~~374.8398 ~~566~~542,~~163~~681.4687 0.00 A-5 0509/01/07 - 0509/30/07 30 6.00000% ~~104~~101,~~727~~753,~~194~~985.2233 ~~523~~508,~~635~~769.9793 0.00 A-6 0509/01/07 - 0509/30/07 30 6.00000% 42,394,000.00 211,970.00 0.00 A-7 0509/01/07 - 0509/30/07 30 6.00000% 27,951,000.00 139,755.00 0.00 A-8 0509/25/07 - 0610/24/07 30 5.~~86000~~67125% 8377,~~938~~240,~~161~~911.8903 ~~409~~365,~~898~~043.0276 0.00 A-9 0509/25/07 - 0610/24/07 30 5.~~81000~~62125% 2725,~~979~~746,~~387~~970.3034 ~~135~~120,~~466~~608.8746 0.00 A-10 0509/01/07 - 0509/30/07 30 6.00000% 32,582,500.00 162,912.50 0.00 A-11 0509/01/07 - 0509/30/07 30 6.00000% 5,~~562~~371,~~665~~241.4522 2726,~~813~~856.3321 0.00 A-12 0509/25/07 - 0610/24/07 30 0.~~14000~~32875% ~~111~~102,~~917~~987,~~549~~881.1838 1328,~~057~~214.0539 0.00 A-13 0509/25/07 - 0610/24/07 30 0.05000% 2725,~~979~~746,~~387~~970.3034 1,~~165~~072.8179 0.00 A-R N/A N/A 6.25000% 0.00 0.00 0.00 A-WIO 0509/01/07 - 0509/30/07 30 0.~~50020~~49509% ~~346~~332,~~635~~005,~~109~~161.9893 ~~144~~136,~~489~~977.0265 0.00 B-1 0509/01/07 - 0509/30/07 30 6.25000% 25,~~999~~936,~~781~~562.9888 135,~~415~~086.5327 0.00 B-2 0509/01/07 - 0509/30/07 30 6.25000% 6,~~500~~484,~~444~~638.6162 33,~~856~~774.4816 0.00 B-3 0509/01/07 - 0509/30/07 30 6.25000% 5,~~056~~043,~~012~~718.2846 26,~~333~~269.4037 0.00 B-4 0509/01/07 - 0509/30/07 30 6.25000% 3,~~250~~242,~~222~~319.3031 16,~~928~~887.2408 0.00 B-5 0509/01/07 - 0509/30/07 30 6.25000% 2,~~888~~881,~~864~~840.6632 15,~~046~~009.1759 0.00 B-6 0509/01/07 - 0509/30/07 30 6.25000% 2,~~166~~161,~~901~~632.2235 11,~~285~~258.9450 0.00 Totals 3,~~771~~647,~~720~~026.0739 0.00

Interest Distribution Statement (continued) Class Current Non-Supported Total Remaining Ending Interest Interest Interest Unpaid Interest Certificate/ Shortfall(1) Shortfall Distribution Shortfall(1) Notional Balance A-PO 0.00 0.00 0.00 0.00 8,~~999~~867,~~540~~168.5606 A-1 0.00 2(15.2356) ~~764~~713,~~412~~423.9865 0.00 ~~161~~156,~~595~~219,~~873~~280.2265 A-2 0.00 0(4.5442) ~~184~~202,~~326~~690.5319 0.00 ~~161~~156,~~595~~219,~~873~~280.2265 A-3 0.00 0(5.7240) 247,~~784~~790.2840 0.00 49,557,000.00 A-4 0.00 1(11.6583) ~~566~~542,~~161~~693.8171 0.00 ~~112~~107,~~355~~843,~~281~~801.7814 A-5 0.00 1(11.5309) ~~523~~508,~~634~~781.4402 0.00 ~~104~~100,~~103~~812,~~502~~335.1428 A-6 0.00 0(4.62) 211,~~969~~974.3862 0.00 42,394,000.00 A-7 0.00 0(3.4105) 139,~~754~~758.5905 0.00 27,951,000.00 A-8 0.00 1(7.2096) ~~409~~365,~~896~~051.8372 0.00 8276,~~738~~630,~~075~~645.4846 A-9 0.00 0(2.4063) ~~135~~120,~~466~~611.4709 0.00 2725,~~579~~543,~~358~~548.49 A-10 0.00 0(3.4855) 162,~~912~~916.0205 0.00 32,582,500.00 A-11 0.00 (0.0859) 2726,~~813~~856.2579 0.00 5,~~526~~343,~~901~~011.7756 A-12 0.00 (0.0462) 1328,~~057~~215.0100 0.00 ~~110~~102,~~317~~174,~~433~~193.9795 A-13 0.00 (0.0002) 1,~~165~~072.8081 0.00 2725,~~579~~543,~~358~~548.49 A-R 0.00 0.00 ~~414~~4.7985 0.00 0.00 A-WIO 0.00 0(2.4299) ~~144~~136,~~488~~980.6064 0.00 ~~343~~329,~~476~~845,~~457~~290.0435 B-1 0.00 0(3.4103) 135,~~415~~089.1229 0.00 25,~~984~~920,~~095~~445.5942 B-2 0.00 (0.1076) 33,~~856~~774.3892 0.00 6,~~496~~480,~~522~~608.7194 B-3 0.00 (0.0859) 26,~~333~~269.3296 0.00 5,~~052~~040,~~961~~584.8420 B-4 0.00 (0.0538) 16,~~928~~887.1946 0.00 3,~~248~~240,~~261~~304.3547 B-5 0.00 (0.0534) 15,~~046~~009.1292 0.00 2,~~887~~880,~~121~~049.7349 B-6 0.00 (0.0325) 11,~~285~~258.9175 0.00 2,~~165~~160,~~593~~289.8707 Totals 0.00 11(79.0468) 3,~~772~~647,~~123~~110.8289 0.00 (1) Amount also includes Coupon Cap or Basis Risk Shortfalls, if applicable.

Interest Distribution Factors Statement Class Original Current Beginning Current Payment of Face Certificate Certificate/ Accrued Unpaid Interest Amount Rate Notional Interest Shortfall (1) Balance A-PO 9,194,639.26 0.00000% ~~990~~967.~~10877345~~66350135 0.00000000 0.00000000 A-1 167,095,500.00 5.~~64000~~45125% ~~973~~939.~~34478523~~84973246 4.~~57472050~~26946321 0.00000000 A-2 0.00 1.~~36000~~54875% ~~973~~939.~~34478523~~84973246 1.~~10312408~~21299359 0.00000000 A-3 49,557,000.00 6.00000% 1000.00000000 5.00000000 0.00000000 A-4 116,970,000.00 6.00000% ~~968~~927.~~04900256~~89924750 4.~~84024502~~63949620 0.00000000 A-5 106,117,000.00 6.00000% ~~986~~958.~~90308075~~88486604 4.~~93451539~~79442436 0.00000000 A-6 42,394,000.00 6.00000% 1000.00000000 5.00000000 0.00000000 A-7 27,951,000.00 6.00000% 1000.00000000 5.00000000 0.00000000 A-8 90,000,000.00 5.~~86000~~67125% ~~932~~858.~~64624322~~23234478 4.~~55442244~~05604178 0.00000000 A-9 30,000,000.00 5.~~81000~~62125% ~~932~~858.~~64624333~~23234467 4.~~51556233~~02028200 0.00000000 A-10 32,582,500.00 6.00000% 1000.00000000 5.00000000 0.00000000 A-11 5,715,000.00 6.00000% ~~973~~939.~~34478565~~84973228 4.~~86672441~~69924934 0.00000000 A-12 0.00 0.~~14000~~32875% ~~932~~858.~~64624317~~23234483 0.~~10880875~~23511992 0.00000000 A-13 0.00 0.05000% ~~932~~858.~~64624333~~23234467 0.~~03886033~~03575967 0.00000000 A-R 100.00 6.25000% 0.00000000 0.00000000 0.00000000 A-WIO 0.00 0.~~50020~~49509% ~~963~~923.~~84089223~~16139446 0.~~40176088~~38087504 0.00000000 B-1 26,046,000.00 6.25000% ~~998~~995.~~22552330~~79831375 5.~~19909122~~18644974 0.00000000 B-2 6,512,000.00 6.25000% ~~998~~995.~~22552365~~79831388 5.~~19909091~~18644963 0.00000000 B-3 5,065,000.00 6.25000% ~~998~~995.~~22552419~~79831392 5.~~19909181~~18645015 0.00000000 B-4 3,256,000.00 6.25000% ~~998~~995.~~22552211~~79831388 5.~~19909091~~18644963 0.00000000 B-5 2,894,000.00 6.25000% ~~998~~995.~~22552177~~79831375 5.~~19909122~~18645128 0.00000000 B-6 2,170,753.17 6.25000% ~~998~~995.~~22552372~~79831548 5.~~19908949~~18644872 0.00000000

Interest Distribution Factors Statement (continued) Class Current Non-Supported Total Remaining Unpaid Ending Interest Interest Interest Interest Certificate/ Shortfall(1) Shortfall Distribution Shortfall(1) Notional Balance A-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~978~~964.~~78125563~~38455161 A-1 0.00000000 (0.~~00001335~~00009312) 4.~~57470716~~26955633 0.00000000 ~~967~~934.~~08692466~~91016006 A-2 0.00000000 (0.~~00000323~~00002645) 1.~~10312085~~21302004 0.00000000 ~~967~~934.~~08692466~~91016006 A-3 0.00000000 (0.~~00001453~~00010897) 45.~~99998547~~00010897 0.00000000 1000.00000000 A-4 0.00000000 (0.~~00001411~~00010114) 4.~~84023091~~63959742 0.00000000 ~~960~~921.~~54784800~~97829478 A-5 0.00000000 (0.~~00001442~~00010451) 4.~~93450098~~79452887 0.00000000 ~~981~~950.~~02568052~~01116956 A-6 0.00000000 (0.~~00001462~~00010898) 45.~~99998538~~00010898 0.00000000 1000.00000000 A-7 0.00000000 (0.~~00001467~~00010912) 45.~~99998533~~00010912 0.00000000 1000.00000000 A-8 0.00000000 (0.~~00001333~~00008844) 4.~~55440922~~05613022 0.00000000 ~~919~~851.~~31194978~~45161622 A-9 0.00000000 (0.~~00001333~~00008767) 4.~~51554900~~02036967 0.00000000 ~~919~~851.~~31194967~~45161633 A-10 0.00000000 (0.~~00001473~~00010895) 45.~~99998527~~00010895 0.00000000 1000.00000000 A-11 0.00000000 (0.~~00001400~~00010324) 4.~~86671041~~69935083 0.00000000 ~~967~~934.~~08692388~~91015923 A-12 0.00000000 (0.~~00000033~~00000517) 0.~~10880842~~23512500 0.00000000 ~~919~~851.~~31194975~~45161625 A-13 0.00000000 (0.~~00000000~~00000067) 0.~~03886000~~03576033 0.00000000 ~~919~~851.~~31194967~~45161633 A-R 0.00000000 0.00000000 ~~4147~~48.~~90000000~~50000000 0.00000000 0.00000000 A-WIO 0.00000000 (0.~~00000117~~00000831) 0.~~40175971~~38088335 0.00000000 ~~955~~917.~~05805754~~15573465 B-1 0.00000000 (0.~~00001574~~00011633) 5.~~19907548~~18656569 0.00000000 ~~997~~995.~~62326614~~17950626 B-2 0.00000000 (0.~~00001536~~00011671) 5.~~19907555~~18656634 0.00000000 ~~997~~995.~~62326628~~17950553 B-3 0.00000000 (0.~~00001579~~00011649) 5.~~19907601~~18656663 0.00000000 ~~997~~995.~~62326555~~17950642 B-4 0.00000000 (0.~~00001536~~00011671) 5.~~19907555~~18656634 0.00000000 ~~997~~995.~~62326474~~17950553 B-5 0.00000000 (0.~~00001728~~00011748) 5.~~19907395~~18656531 0.00000000 ~~997~~995.~~62326538~~17950587 B-6 0.00000000 (0.~~00001382~~00011517) 5.~~19907567~~18656389 0.00000000 ~~997~~995.~~62326732~~17950721 (1) Amount also includes Coupon Cap or Basis Risk Shortfalls, if applicable. NOTE: All classes per $1,000 denomination.

Certificateholder Account Statement CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal 7,~~577~~497,~~013~~390.7079 Reserve Funds and Credit Enhancements 0.00 Proceeds from Repurchased Loans 0.00 Servicer Advances ~~670~~579,~~195~~836.8256 Gains & Subsequent Recoveries (Realized Losses) 0.00 Prepayment Penalties 0.00 Swap/Cap Payments 0.00 Total Deposits 8,~~247~~077,~~209~~227.5235 Withdrawals Swap Payments 0.00 Reserve Funds and Credit Enhancements 0.00 Reimbursement for Servicer Advances 88924,~~132~~431.8306 Total Administration Fees ~~152~~145,~~074~~457.8012 Payment of Interest and Principal 87,007,~~001~~211.8929 Total Withdrawals (Pool Distribution Amount) 8,~~247~~077,~~209~~099.5247 Ending Balance 0127.0088 Servicer Advances are calculated as delinquent scheduled principal and interest.

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall ~~801~~2,407.0611 Servicing Fee Support ~~790~~2,486.0278 Non-Supported Prepayment/Curtailment Interest Shortfall 11(79.0467)

ADMINISTRATION FEES Gross Servicing Fee* ~~146~~142,~~985~~253.4175 Master Servicing Fee - Wells Fargo Bank, N.A. 5,~~879~~690.4215 Supported Prepayment/Curtailment Interest Shortfall ~~790~~2,486.0278 Total Administration Fees ~~152~~145,~~074~~457.8012 *Servicer Payees include: Wells Fargo Bank, N.A.

Collateral Statement Total Collateral Description Fixed 30 Year Weighted Average Coupon Rate 6.~~675813~~669516 Weighted Average Net Rate 6.~~415813~~409516 Weighted Average Pass-Through Rate 6.250000 Weighted Average Remaining Term ~~354~~350 Principal And Interest Constant 4,~~353~~221,~~718~~287.7515 Beginning Loan Count 2,~~356~~298 Loans Paid in Full 14 Ending Loan Count 2,~~342~~284 Beginning Scheduled Balance ~~705~~682,~~532~~826,~~054~~672.3063 Ending Scheduled Balance ~~701~~679,~~297~~466,~~176~~572.2423 Actual Ending Collateral Balance ~~702~~679,~~747~~732,~~809~~026.2034 Scheduled Principal ~~426~~424,~~103~~834.9576 Unscheduled Principal 32,~~808~~935,~~774~~265.1164 Scheduled Interest 3,~~924~~795,~~988~~054.6578 Servicing Fees ~~146~~142,~~985~~253.4175 Master Servicing Fees 5,~~879~~690.4215 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 3,~~772~~647,~~123~~110.8388 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Percentage of Cumulative Losses 0.0000 Prepayment Penalty Waived Amount 0.00 Prepayment Penalty Waived Count 0 Prepayment Penalty Paid Amount 0.00 Prepayment Penalty Paid Count 0 Special Servicing Fee 0.00 Class A Optimal Amount 76,740,~~062~~411.4147 Ending Scheduled Balance for Premium Loans ~~701~~679,~~297~~466,~~176~~572.2423 Outstanding Mortgage Loans with Orig. LTV Less than or equal to 80% ~~624~~605,~~748~~851,~~474~~136.9904 Greater than 80%, less than or equal to 85% 109,~~023~~947,~~009~~955.5612 Greater than 85%, less than or equal to 95% 6057,~~411~~941,~~183~~400.8238 Greater than 95% 65,~~174~~765,~~869~~936.4133 The Weighted Average Remaining Term is utilizing a step-down method.

Delinquency Status DELINQUENT BANKRUPTCY FORECLOSURE REO Total No. of Loans No. of Loans No. of Loans No. of Loans No. of Loans Actual Balance Actual Balance Actual Balance Actual Balance Actual Balance 0-29 Days 2 0 0 2 ~~154~~277,~~206~~145.0115 0.00 0.00 ~~154~~277,~~206~~145.0115 30 Days 1223 0 0 0 1223 35,~~532~~999,~~566~~148.7407 0.00 0.00 0.00 35,~~532~~999,~~566~~148.7407 60 Days 56 0 10 0 6 1,~~851~~615,~~025~~280.3605 0.00 ~~470,396~~0.0900 0.00 21,~~321~~615,~~421~~280.4505 90 Days 02 0 37 0 39 0560,804.0074 0.00 13,~~108~~347,~~929~~881.3155 0.00 13,~~108~~908,~~929~~686.3129 120 Days 5 0 0 5 0 5 ~~1,548,437.99~~ 0.00 0.00 1,637,692.90 0.00 1,~~548~~637,~~437~~692.9990 150 Days 0 0 04 0 04 0.00 0.00 01,247,305.0063 0.00 01,247,305.0063 180+ Days 04 01 06 01 012 01,439,837.0099 0749,751.0096 01,405,770.0085 0201,739.0050 03,797,100.0030 Totals 2235 23 422 01 2861 69,~~932~~615,~~030~~070.0985 ~~154~~1,~~206~~026,897.0111 17,~~579~~638,~~325~~650.4093 0201,739.0050 818,~~665~~482,~~561~~358.5039 No. of Loans No. of Loans No. of Loans No. of Loans No. of Loans Actual Balance Actual Balance Actual Balance Actual Balance Actual Balance 0-29 Days 0.~~085397~~087566% 0.000000% 0.000000% 0.~~085397~~087566% 0.~~021943~~040773% 0.000000% 0.000000% 0.~~021943~~040773% 30 Days 01.~~512383~~007005% 0.000000% 0.000000% 0.000000% 01.~~512383~~007005% 0.~~502679~~882575% 0.000000% 0.000000% 0.000000% 0.~~502679~~882575% 60 Days 0.~~213493~~262697% 0.000000% 0.~~042699~~000000% 0.000000% 0.~~256191~~262697% 0.~~263398~~237635% 0.000000% 0.~~066937~~000000% 0.000000% 0.~~330335~~237635% 90 Days 0.~~000000~~087566% 0.000000% 0.~~128096~~306480% 0.000000% 0.~~128096~~394046% 0.~~000000~~082504% 0.000000% 0.~~157799~~492530% 0.000000% 0.~~157799~~575033% 120 Days 0.~~213493~~000000% 0.000000% 0.~~000000~~218914% 0.000000% 0.~~213493~~218914% 0.~~220340~~000000% 0.000000% 0.~~000000~~240932% 0.000000% 0.~~220340~~240932% 150 Days 0.000000% 0.000000% 0.~~000000~~175131% 0.000000% 0.~~000000~~175131% 0.000000% 0.000000% 0.~~000000~~183500% 0.000000% 0.~~000000~~183500% 180+ Days 0.~~000000~~175131% 0.~~000000~~043783% 0.~~000000~~262697% 0.~~000000~~043783% 0.~~000000~~525394% 0.~~000000~~211824% 0.~~000000~~110301% 0.~~000000~~206813% 0.~~000000~~029679% 0.~~000000~~558617% Totals 01.~~939368~~532399% 0.~~085397~~131349% 0.~~170794~~963222% 0.~~000000~~043783% 12.~~195559~~670753% 01.~~986418~~414538% 0.~~021943~~151074% 01.~~224736~~123774% 0.~~000000~~029679% 12.~~233097~~719065%

Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance ~~753~~418,~~834~~481.6987

SUBORDINATION LEVEL/CREDIT ENHANCEMENT/CLASS PERCENTAGE AND PREPAYMENT PERCENTAGE Current Original $ Original % Current $ Current % Class% Prepayment% 45,943,753.17 6.35002791% 45,~~834~~722,~~557~~281.0959 6.~~53568254~~72914363% 93.~~452969~~270856% 100.000000% Class B-1 19,897,753.17 2.75012987% 19,~~850~~801,~~461~~836.5017 2.~~83053492~~91432088% 3.~~705148~~814823% 0.000000% Class B-2 13,385,753.17 1.85008625% 13,~~353~~321,~~938~~227.7923 1.~~90417689~~96054196% 0.~~926358~~953779% 0.000000% Class B-3 8,320,753.17 1.15003697% 8,~~300~~280,~~976~~643.9503 1.~~18366040~~21869763% 0.~~720516~~741844% 0.000000% Class B-4 5,064,753.17 0.70001517% 5,~~052~~040,~~715~~338.6056 0.~~72048138~~74180817% 0.~~463179~~476889% 0.000000% Class B-5 2,170,753.17 0.30002649% 2,~~165~~160,~~593~~289.8707 0.~~30879832~~31793898% 0.~~411683~~423869% 0.000000% Class B-6 0.00 0.00000000% 0.00 0.00000000% 0.~~308798~~317939% 0.000000% Please Refer to the Prospectus Supplement for a Full Description of Loss Exposure

~~REO~~180+ ~~Loan~~Delinquency ~~Detail~~Summary -Summary ~~All~~Days ~~Mortgage~~Number of Outstanding Percentage of Delinquent Loans inActual ~~REO~~Balance(%) ~~during~~Balance($) ~~Current~~180 ~~Period~~- ~~Group~~209 ~~Loan~~4 ~~First~~1,139,822.02 ~~State~~0.168 ~~LTV~~210 ~~Original~~- ~~Number~~239 ~~Payment~~4 at1,217,440.29 ~~Principal~~0.179 ~~Date~~240 ~~Origination~~- ~~Balance~~269 No4 ~~REO~~1,439,837.99 ~~Loans~~0.212 ~~this~~Total ~~Period~~12 3,797,100.30 0.559 This report includes all loans greater than 180 days delinquent regardless of status (REO, Foreclosure, Bankruptcy).

REO Loan Detail - All Mortgage Loans in REO during Current Period ~~(continued)~~ Group Loan ~~Current~~First ~~Paid~~State toLTV ~~Months~~Original ~~Current~~Number ~~Loan~~Payment ~~Approximate~~at ~~Number~~Principal ~~Actual~~ Date ~~Delinquent~~Origination ~~Rate Delinquent~~ Balance ~~Interest~~Summary No0071378996 ~~REO~~01-Mar-2007 ~~Loans~~AR ~~this~~90.00 ~~Period~~201,739.00

~~Foreclosure~~REO Loan Detail - All Mortgage Loans in ~~Foreclosure~~REO during Current Period (continued) Group Loan ~~First~~Current ~~State~~Paid ~~LTV~~to atMonths ~~Original~~Current ~~Number~~Loan ~~Payment~~Approximate ~~Origination~~Number ~~Principal~~Actual Date ~~Balance~~Delinquent ~~Summary~~Rate ~~0071378996~~Delinquent ~~01-Mar-2007~~Balance ARInterest ~~90.00~~Summary 0071378996 201,739.0050 ~~Summary 0156264798~~ 01-~~Dec-2006 CA 80.00 471,200.00 Summary 0156769887 01-~~Feb-2007 FL7 907.00625% ~~157~~10,~~500~~255.~~00 Summary 0157455122 01-Feb-2007 OH 80.20 750,000.00~~12

Foreclosure Loan Detail - All Mortgage Loans in Foreclosure during Current Period ~~(continued)~~ Group Loan ~~Current~~First ~~Paid~~State ToLTV ~~Months~~at ~~Current~~Original ~~Approximate~~ Number ~~Actual~~Payment Origination Principal Date ~~Delinquent~~Balance ~~Loan~~Summary ~~Rate~~0070109038 ~~Delinquent~~01-Jan-2007 ~~Balance~~FL ~~Interest~~86.70 360,000.00 Summary ~~0071378996~~0071548804 ~~201~~01-Feb-2007 FL 80.00 108,~~739~~600.5000 Summary 0156085904 01-~~Feb~~Jan-2007 3MD 795.~~625%~~00 5270,~~127~~750.5600 Summary 0156100166 01-Jan-2007 WA 80.00 240,000.00 Summary 0156124695 01-Jan-2007 NY 80.00 1,840,000.00 Summary 0156264798 ~~470~~01-Dec-2006 CA 80.00 471,~~396~~200.0900 Summary 0156624025 01-~~Apr~~Jan-2007 2NY 680.~~625%~~00 7267,~~787~~120.5500 Summary 0156769887 01-Feb-2007 FL 90.00 157,~~437~~500.8500 Summary 0156897472 01-Feb-2007 3IL 680.~~875%~~00 3224,~~605~~000.8000 Summary ~~0157455122~~0156914525 ~~749~~01-Feb-2007 NJ 80.00 368,~~751~~000.9600 Summary 0157039033 01-Feb-2007 3LA 798.60 315,500%.00 18Summary 0157162504 01-Feb-2007 MI 80.00 144,~~734~~000.4000 Summary 0157202151 01-Feb-2007 CA 80.00 296,800.00 Summary 0157279837 01-Feb-2007 MI 88.00 426,800.00 Summary 0157323106 01-Feb-2007 MD 80.00 308,000.00 Summary 0157382342 01-Feb-2007 MN 95.00 30,495.00 Summary 0157496589 01-Feb-2007 KS 89.50 188,000.00 Summary 0157558339 01-Feb-2007 MD 94.30 381,900.00 Summary 0157655994 01-Mar-2007 IA 90.00 79,650.00 Summary 0157697343 01-Mar-2007 CA 80.00 520,000.00 Summary 0157789686 01-Mar-2007 NY 80.00 436,000.00 Summary 0157794892 01-Mar-2007 NC 90.00 222,300.00

~~Bankruptcy~~Foreclosure Loan Detail - All Mortgage Loans in ~~Bankruptcy~~Foreclosure during Current Period (continued) Group Loan ~~First~~Current ~~State~~Paid ~~LTV~~To ~~Original~~Months ~~Number~~Current ~~Payment~~Approximate atNumber ~~Principal~~Actual Date ~~Origination~~Delinquent Loan Rate Delinquent Balance Interest Summary ~~0157216433~~0070109038 359,598.15 01-Apr-2007 5 8.125% 14,598.20 Summary 0071548804 108,510.98 01-Feb-2007 MI7 ~~100~~7.00000% 5,049.04 Summary 0156085904 270,240.64 01-Jul-2007 3 7.750% 6,977.83 Summary 0156100166 239,617.93 01-Apr-2007 5 6.875% 8,228.48 Summary 0156124695 1,~~900~~832,361.0045 01-Jul-2007 3 8.250% 50,339.14 Summary ~~0157477969~~0156264798 470,396.09 01-Apr-2007 6 6.625% 18,154.99 Summary 0156624025 266,634.53 01-May-2007 5 6.750% 8,989.41 Summary 0156769887 157,437.85 01-Feb-2007 WA7 806.00875% ~~106~~7,205.77 Summary 0156897472 223,655.63 01-May-2007 4 7.000% 6,518.17 Summary 0156914525 367,676.81 01-Mar-2007 6 6.500% 13,922.37 Summary 0157039033 315,500.00 01-May-2007 4 6.375% 8,380.45 Summary 0157162504 143,499.84 01-May-2007 4 6.750% 4,028.76 Summary 0157202151 296,119.40 01-Jun-2007 3 6.375% 6,288.11 Summary 0157279837 425,073.05 01-Jun-2007 3 7.125% 10,082.90 Summary 0157323106 306,659.05 01-Jun-2007 3 6.750% 6,890.59 Summary 0157382342 30,347.72 01-Jun-2007 3 7.250% 732.50 Summary 0157496589 187,080.24 01-Jun-2007 3 6.500% 4,047.69 Summary 0157558339 381,455.02 01-Apr-2007 5 7.625% 14,531.00 Summary 0157655994 79,590.88 01-Mar-2007 6 7.500% 3,474.21 Summary 0157697343 519,442.75 01-May-2007 4 7.250% 15,680.07 Summary 0157789686 435,594.68 01-May-2007 4 7.750% 14,057.19 Summary 0157794892 222,158.24 01-Mar-2007 6 8.250% 10,670.52

Bankruptcy Detail - All Mortgage Loans in Bankruptcy during Current Period ~~(continued)~~ Group Loan ~~Current~~First ~~Paid~~State toLTV ~~Months~~Original ~~Current~~Number ~~Loan~~Payment ~~Approximate~~at ~~Number~~Principal ~~Actual~~ Date ~~Delinquent~~Origination ~~Rate~~Balance ~~Delinquent~~Summary ~~Balance~~0157443292 ~~Interest~~01-Feb-2007 ~~Summary~~TN ~~0157216433~~80.00 48212,~~678~~800.8100 Summary 0157455122 01-~~Jul~~Feb-2007 ~~(2)~~OH 780.~~50%~~20 0750,000.00 Summary ~~0157477969~~0157769399 ~~105,527.20~~ 01-~~Jun~~Feb-2007 ~~(1)~~IN 690.~~63%~~00 064,800.00

Repurchases ~~Current~~Due to Breaches Beginning Loan Scheduled Payoff Current Current Number Balance Balance Rate Payment No Repurchases Due to Breaches this Period

~~Breaches~~Repurchases ~~Current~~Due to Other Beginning Loan Scheduled Payoff Current Current Number Balance Balance Rate Payment No ~~Breaches~~Repurchases Due to Other this Period

Interest Rate Stratification Summary Current Number of Outstanding Percentage of Interest Rate Loans Scheduled Balance(%) Range(%) Balance($) < 6.000 2625 8,~~348~~203,~~952~~083.0778 1.~~191~~207 6.000 6.249 9896 3534,~~147~~168,~~757~~118.2982 5.~~012~~029 6.250 6.499 ~~534~~528 ~~190~~186,~~832~~805,~~511~~843.4175 27.~~211~~493 6.500 6.749 ~~605~~589 ~~200~~194,~~558~~318,~~867~~592.1166 28.~~598~~599 6.750 6.999 ~~471~~461 ~~135~~132,~~319~~236,~~752~~419.1926 19.~~296~~462 7.000 7.249 ~~155~~150 3533,~~369~~430,~~239~~263.5212 54.~~043~~920 7.250 7.499 ~~163~~159 3634,~~576~~905,~~398~~174.3121 5.~~216~~137 7.500 7.749 ~~160~~153 3331,~~498~~552,~~849~~612.9114 4.~~777~~644 7.750 7.999 8780 1412,~~118~~388,~~289~~850.5427 21.~~013~~823 >= 8.000 43 11,~~526~~457,~~558~~614.8922 1.~~644~~686 Total 2,~~342~~284 ~~701~~679,~~297~~466,~~176~~572.2423 100.000

Filing Compare · Wells Fargo Alternative Loan 2007-PA1 Trust