10-D 1 mlb07001_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: 333-130545-47 Merrill Lynch Mortgage Backed Securities Trust, Series 2007-1 (Exact name of issuing entity as specified in its charter) Commission File Number of depositor: 333-130545 Merrill Lynch Mortgage Investors, Inc. (Exact name of depositor as specified in its charter) Merrill Lynch Mortgage Lending, Inc. (Exact name of sponsor as specified in its charter) New York (State or other jurisdiction of incorporation or organization of the issuing entity) 54-2199300 54-2199301 54-6740340 (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)) I-A-I _____ _____ __X___ ____________ I-A-2 _____ _____ __X___ ____________ II-A-I _____ _____ __X___ ____________ II-A-2 _____ _____ __X___ ____________ A-R _____ _____ __X___ ____________ M-1 _____ _____ __X___ ____________ M-2 _____ _____ __X___ ____________ M-3 _____ _____ __X___ ____________ B-1 _____ _____ __X___ ____________ B-2 _____ _____ __X___ ____________ B-3 _____ _____ __X___ ____________ P _____ _____ __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 Merrill Lynch Mortgage Backed Securities Trust, Series 2007-1. 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 Merrill Lynch Mortgage Backed Securities Trust, Series 2007-1, 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. Merrill Lynch Mortgage Backed Securities Trust, Series 2007-1 (Issuing Entity) Wells Fargo Bank, N.A. (Master Servicer) /s/ Elisabeth A. Brewster Elisabeth A. Brewster, Vice President Date: November 5, 2007 EXHIBIT INDEX Exhibit Number Description EX-99.1 Monthly report distributed to holders of Merrill Lynch Mortgage Backed Securities Trust, Series 2007-1, relating to the October 25, 2007 distribution. EX-99.1 Merrill Lynch Mortgage Backed Securities Trust Mortgage Pass-Through Certificates Distribution Date: 10/25/2007 Merrill Lynch Mortgage Backed Securities Trust Mortgage Pass-Through Certificates Series 2007-1 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 I-A-I 59024NAA5 0509/3128/2007 5.~~95339~~94091% ~~312~~295,~~331~~873,~~506~~570.2539 1,~~549~~464,~~526~~797.1578 I-A-2 59024NAB3 0509/3128/2007 5.~~95339~~94091% 13,~~863~~133,~~525~~003.4754 6865,~~779~~018.1529 II-A-I 59024NAC1 0509/3128/2007 5.~~90171~~89230% 8678,~~771~~428,~~905~~683.6289 ~~426~~385,~~752~~104.1817 II-A-2 59024NAD9 0509/3128/2007 5.~~90171~~89230% 3,~~851~~481,~~336~~025.3377 1817,~~941~~092.2269 A-R 59024NAE7 0509/3128/2007 5.~~94862~~94198% 0.00 0.00 M-1 59024NAF4 0509/3128/2007 5.~~94218~~93036% 9,~~072~~069,~~551~~601.3678 44,~~925~~821.5965 M-2 59024NAG2 0509/3128/2007 5.~~94218~~93036% 3,~~401~~400,~~456~~351.8803 16,~~843~~804.3842 M-3 59024NAH0 0509/3128/2007 5.~~94218~~93036% 2,~~494~~493,~~601~~790.6866 12,~~352~~324.8123 B-1 59024NAJ6 0509/3128/2007 5.~~94218~~93036% 1,813,~~710~~120.4074 8,~~981~~960.1638 B-2 59024NAK3 0509/3128/2007 5.~~94218~~93036% 1,133,~~818~~450.9634 5,~~614~~601.4647 B-3 59024NAL1 0509/3128/2007 5.~~94218~~93036% 1,~~363~~362,~~251~~808.9978 6,~~750~~734.5795 P 59024NAM9 0509/3128/2007 0.00000% 0.00 ~~5,568~~0.00 Totals ~~436~~410,~~097~~189,~~664~~406.9492 2,~~165~~027,~~034~~260.6703

Certificateholder Distribution Summary (continued) Class Principal Current Ending Total Cumulative Distribution Realized Certificate Distribution Realized Loss Balance Losses I-A-I 72,~~275~~540,~~255~~352.3746 0.00 ~~305~~293,~~056~~333,~~250~~217.8993 84,~~824~~005,~~781~~150.5224 0.00 I-A-2 ~~322~~112,~~928~~759.3217 0.00 13,~~540~~020,~~597~~244.1538 ~~391~~177,~~707~~777.4746 0.00 II-A-I 2,~~225~~429,~~785~~281.0628 0.00 8475,~~546~~999,~~120~~402.5661 2,~~652~~814,~~537~~385.2445 0.00 II-A-2 98107,~~790~~822.5868 0.00 3,~~752~~373,~~545~~203.7509 ~~117~~124,~~731~~915.8037 0.00 A-R 0.00 0.00 0.00 0.00 0.00 M-1 ~~723~~755.6605 0.00 9,~~071~~068,~~827~~846.7073 45,~~649~~576.2570 0.00 M-2 ~~271~~283.3108 0.00 3,~~401~~400,~~185~~067.5795 17,~~114~~087.6950 0.00 M-3 ~~198~~207.9861 0.00 2,~~494~~493,~~402~~583.7005 12,~~551~~531.7984 0.00 B-1 ~~144~~150.6794 0.00 1,~~813~~812,~~565~~969.7380 9,~~125~~111.8332 0.00 B-2 9094.4436 0.00 1,133,~~728~~355.5298 5,~~704~~695.9083 0.00 B-3 ~~108~~113.7445 0.00 1,~~363~~362,~~143~~695.2532 6,~~859~~848.3140 0.00 P 0.00 0.00 0.00 ~~5,568~~0.00 0.00 Totals 95,~~924~~191,~~297~~820.1308 0.00 ~~426~~404,~~173~~997,~~367~~586.8284 127,~~089~~219,~~331~~080.8011 0.00 As Master Servicer, Wells Fargo Bank, N.A. has independently calculated collateral information based on loan level data received from external parties, which may include the Servicers, Issuer and other parties to the transaction. Wells Fargo Bank, N.A. expressly disclaims any responsibility for the accuracy or completeness of information furnished to it by those third parties. 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 I-A-I 325,701,900.00 ~~312~~295,~~331~~873,~~506~~570.2539 2928,~~270~~746.8177 72,~~245~~511,~~984~~605.5669 0.00 I-A-2 14,457,000.00 13,~~863~~133,~~525~~003.4754 1,~~299~~275.2599 ~~321~~111,~~629~~483.0718 0.00 II-A-I 90,234,000.00 8678,~~771~~428,~~905~~683.6289 2,~~551~~593.7237 2,~~223~~426,~~233~~687.3492 0.00 II-A-2 4,005,000.00 3,~~851~~481,~~336~~025.3377 ~~113~~115.2611 98107,~~677~~707.3257 0.00 A-R 100.00 0.00 0.00 0.00 0.00 M-1 9,074,000.00 9,~~072~~069,~~551~~601.3678 ~~723~~755.6605 0.00 0.00 M-2 3,402,000.00 3,~~401~~400,~~456~~351.8803 ~~271~~283.3108 0.00 0.00 M-3 2,495,000.00 2,~~494~~493,~~601~~790.6866 ~~198~~207.9861 0.00 0.00 B-1 1,814,000.00 1,813,~~710~~120.4074 ~~144~~150.6794 0.00 0.00 B-2 1,134,000.00 1,133,~~818~~450.9634 9094.4436 0.00 0.00 B-3 1,363,469.70 1,~~363~~362,~~251~~808.9978 ~~108~~113.7445 0.00 0.00 P 0.00 0.00 0.00 0.00 0.00 Totals 453,680,469.70 ~~436~~410,~~097~~189,~~664~~406.9492 34,~~772~~335.8473 95,~~889~~157,~~524~~484.2936 0.00

Principal Distribution Statement (continued) Class Realized Total Ending Ending Total Loss Principal Certificate Certificate Principal Reduction Balance Percentage Distribution I-A-I 0.00 72,~~275~~540,~~255~~352.3746 ~~305~~293,~~056~~333,~~250~~217.8993 0.~~93661182~~90061869 72,~~275~~540,~~255~~352.3746 I-A-2 0.00 ~~322~~112,~~928~~759.3217 13,~~540~~020,~~597~~244.1538 0.~~93661182~~90061869 ~~322~~112,~~928~~759.3217 II-A-I 0.00 2,~~225~~429,~~785~~281.0628 8475,~~546~~999,~~120~~402.5661 0.~~93696523~~84224796 2,~~225~~429,~~785~~281.0628 II-A-2 0.00 98107,~~790~~822.5868 3,~~752~~373,~~545~~203.7509 0.~~93696523~~84224796 98107,~~790~~822.5868 A-R 0.00 0.00 0.00 0.00000000 0.00 M-1 0.00 ~~723~~755.6605 9,~~071~~068,~~827~~846.7073 0.~~99976060~~99943208 ~~723~~755.6605 M-2 0.00 ~~271~~283.3108 3,~~401~~400,~~185~~067.5795 0.~~99976060~~99943208 ~~271~~283.3108 M-3 0.00 ~~198~~207.9861 2,~~494~~493,~~402~~583.7005 0.~~99976060~~99943208 ~~198~~207.9861 B-1 0.00 ~~144~~150.6794 1,~~813~~812,~~565~~969.7380 0.~~99976060~~99943208 ~~144~~150.6794 B-2 0.00 9094.4436 1,133,~~728~~355.5298 0.~~99976060~~99943208 9094.4436 B-3 0.00 ~~108~~113.7445 1,~~363~~362,~~143~~695.2532 0.~~99976057~~99943205 ~~108~~113.7445 P 0.00 0.00 0.00 0.00000000 0.00 Totals $0.00 95,~~924~~191,~~297~~820.1308 ~~426~~404,~~173~~997,~~367~~586.8284 0.~~93936900~~89269346 95,~~924~~191,~~297~~820.1308

Principal Distribution Factors Statement Class Original Beginning Scheduled UnScheduled Accretion Face Certificate Principal Principal Amount Balance Distribution Distribution I-A-I 325,701,900.00 ~~958~~908.~~94898449~~41831254 0.~~08986994~~08826098 227.~~24728981~~71136334 0.00000000 I-A-2 14,457,000.00 ~~958~~908.~~94898457~~41831224 0.~~08986996~~08826105 227.~~24728989~~71136335 0.00000000 II-A-I 90,234,000.00 ~~961~~869.~~63204136~~16997905 0.~~02827892~~02874050 2426.~~63853248~~89327659 0.00000000 II-A-2 4,005,000.00 ~~961~~869.~~63204245~~16998002 0.~~02827965~~02874157 2426.~~63853184~~89327591 0.00000000 A-R 100.00 0.00000000 0.00000000 0.00000000 0.00000000 M-1 9,074,000.00 999.~~84035266~~51529425 0.~~07975094~~08321027 0.00000000 0.00000000 M-2 3,402,000.00 999.~~84035273~~51529394 0.~~07975015~~08320988 0.00000000 0.00000000 M-3 2,495,000.00 999.~~84035271~~51529459 0.~~07975150~~08321042 0.00000000 0.00000000 B-1 1,814,000.00 999.~~84035281~~51529217 0.~~07975193~~08320838 0.00000000 0.00000000 B-2 1,134,000.00 999.~~84035273~~51529101 0.~~07975309~~08320988 0.00000000 0.00000000 B-3 1,363,469.70 999.~~84032648~~51526609 0.~~07975241~~08320684 0.00000000 0.00000000 P 0.00 0.00000000 0.00000000 0.00000000 0.00000000

Principal Distribution Factors Statement (continued) Class Realized Total Ending Ending Total Loss Principal Certificate Certificate Principal Reduction Balance Percentage Distribution I-A-I 0.00000000 227.~~33715975~~79962432 ~~936~~900.~~61182477~~61868822 0.~~93661182~~90061869 227.~~33715975~~79962432 I-A-2 0.00000000 227.~~33715985~~79962440 ~~936~~900.~~61182472~~61868852 0.~~93661182~~90061869 227.~~33715985~~79962440 II-A-I 0.00000000 2426.~~66681140~~92201698 ~~936~~842.~~96522996~~24796208 0.~~93696523~~84224796 2426.~~66681140~~92201698 II-A-2 0.00000000 2426.~~66681149~~92201748 ~~936~~842.~~96523096~~24796255 0.~~93696523~~84224796 2426.~~66681149~~92201748 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 M-1 0.00000000 0.~~07975094~~08321027 999.~~76060172~~43208398 0.~~99976060~~99943208 0.~~07975094~~08321027 M-2 0.00000000 0.~~07975015~~08320988 999.~~76060259~~43208407 0.~~99976060~~99943208 0.~~07975015~~08320988 M-3 0.00000000 0.~~07975150~~08321042 999.~~76060120~~43208417 0.~~99976060~~99943208 0.~~07975150~~08321042 B-1 0.00000000 0.~~07975193~~08320838 999.~~76060088~~43208379 0.~~99976060~~99943208 0.~~07975193~~08320838 B-2 0.00000000 0.~~07975309~~08320988 999.~~76059965~~43208113 0.~~99976060~~99943208 0.~~07975309~~08320988 B-3 0.00000000 0.~~07975241~~08320684 999.~~76057407~~43205192 0.~~99976057~~99943205 0.~~07975241~~08320684 P 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 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 I-A-I 0509/01/07 - 0509/30/07 30 5.~~95339~~94091% ~~312~~295,~~331~~873,~~506~~570.2539 1,~~549~~464,~~526~~797.1578 0.00 I-A-2 0509/01/07 - 0509/30/07 30 5.~~95339~~94091% 13,~~863~~133,~~525~~003.4754 6865,~~779~~018.1529 0.00 II-A-I 0509/01/07 - 0509/30/07 30 5.~~90171~~89230% 8678,~~771~~428,~~905~~683.6289 ~~426~~385,~~752~~104.1817 0.00 II-A-2 0509/01/07 - 0509/30/07 30 5.~~90171~~89230% 3,~~851~~481,~~336~~025.3377 1817,~~941~~092.2269 0.00 A-R N/A N/A 5.~~94862~~94198% 0.00 0.00 0.00 M-1 0509/01/07 - 0509/30/07 30 5.~~94218~~93036% 9,~~072~~069,~~551~~601.3678 44,~~925~~821.5965 0.00 M-2 0509/01/07 - 0509/30/07 30 5.~~94218~~93036% 3,~~401~~400,~~456~~351.8803 16,~~843~~804.3842 0.00 M-3 0509/01/07 - 0509/30/07 30 5.~~94218~~93036% 2,~~494~~493,~~601~~790.6866 12,~~352~~324.8123 0.00 B-1 0509/01/07 - 0509/30/07 30 5.~~94218~~93036% 1,813,~~710~~120.4074 8,~~981~~960.1638 0.00 B-2 0509/01/07 - 0509/30/07 30 5.~~94218~~93036% 1,133,~~818~~450.9634 5,~~614~~601.4647 0.00 B-3 0509/01/07 - 0509/30/07 30 5.~~94218~~93036% 1,~~363~~362,~~251~~808.9978 6,~~750~~734.5795 0.00 P N/A N/A 0.00000% 0.00 0.00 0.00 Totals 2,~~159~~027,~~466~~260.6703 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 I-A-I 0.00 0.00 1,~~549~~464,~~526~~797.1578 0.00 ~~305~~293,~~056~~333,~~250~~217.8993 I-A-2 0.00 0.00 6865,~~779~~018.1529 0.00 13,~~540~~020,~~597~~244.1538 II-A-I 0.00 0.00 ~~426~~385,~~752~~104.1817 0.00 8475,~~546~~999,~~120~~402.5661 II-A-2 0.00 0.00 1817,~~941~~092.2269 0.00 3,~~752~~373,~~545~~203.7509 A-R 0.00 0.00 0.00 0.00 0.00 M-1 0.00 0.00 44,~~925~~821.5965 0.00 9,~~071~~068,~~827~~846.7073 M-2 0.00 0.00 16,~~843~~804.3842 0.00 3,~~401~~400,~~185~~067.5795 M-3 0.00 0.00 12,~~352~~324.8123 0.00 2,~~494~~493,~~402~~583.7005 B-1 0.00 0.00 8,~~981~~960.1638 0.00 1,~~813~~812,~~565~~969.7380 B-2 0.00 0.00 5,~~614~~601.4647 0.00 1,133,~~728~~355.5298 B-3 0.00 0.00 6,~~750~~734.5795 0.00 1,~~363~~362,~~143~~695.2532 P 0.00 0.00 ~~5,568~~0.00 0.00 0.00 Totals 0.00 0.00 2,~~165~~027,~~034~~260.6703 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 I-A-I 325,701,900.00 5.~~95339~~94091% ~~958~~908.~~94898449~~41831254 4.~~75749804~~49735718 0.00000000 I-A-2 14,457,000.00 5.~~95339~~94091% ~~958~~908.~~94898457~~41831224 4.~~75749810~~49735699 0.00000000 II-A-I 90,234,000.00 5.~~90171~~89230% ~~961~~869.~~63204136~~16997905 4.~~72939446~~26783884 0.00000000 II-A-2 4,005,000.00 5.~~90171~~89230% ~~961~~869.~~63204245~~16998002 4.~~72939326~~26783770 0.00000000 A-R 100.00 5.~~94862~~94198% 0.00000000 0.00000000 0.00000000 M-1 9,074,000.00 5.~~94218~~93036% 999.~~84035266~~51529425 4.~~95102380~~93956910 0.00000000 M-2 3,402,000.00 5.~~94218~~93036% 999.~~84035273~~51529394 4.~~95102293~~93957084 0.00000000 M-3 2,495,000.00 5.~~94218~~93036% 999.~~84035271~~51529459 4.~~95102605~~93957114 0.00000000 B-1 1,814,000.00 5.~~94218~~93036% 999.~~84035281~~51529217 4.~~95102536~~93957001 0.00000000 B-2 1,134,000.00 5.~~94218~~93036% 999.~~84035273~~51529101 4.~~95102293~~93956790 0.00000000 B-3 1,363,469.70 5.~~94218~~93036% 999.~~84032648~~51526609 4.~~95102311~~93956705 0.00000000 P 0.00 0.00000% 0.00000000 0.00000000 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 I-A-I 0.00000000 0.00000000 4.~~75749804~~49735718 0.00000000 ~~936~~900.~~61182477~~61868822 I-A-2 0.00000000 0.00000000 4.~~75749810~~49735699 0.00000000 ~~936~~900.~~61182472~~61868852 II-A-I 0.00000000 0.00000000 4.~~72939446~~26783884 0.00000000 ~~936~~842.~~96522996~~24796208 II-A-2 0.00000000 0.00000000 4.~~72939326~~26783770 0.00000000 ~~936~~842.~~96523096~~24796255 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 M-1 0.00000000 0.00000000 4.~~95102380~~93956910 0.00000000 999.~~76060172~~43208398 M-2 0.00000000 0.00000000 4.~~95102293~~93957084 0.00000000 999.~~76060259~~43208407 M-3 0.00000000 0.00000000 4.~~95102605~~93957114 0.00000000 999.~~76060120~~43208417 B-1 0.00000000 0.00000000 4.~~95102536~~93957001 0.00000000 999.~~76060088~~43208379 B-2 0.00000000 0.00000000 4.~~95102293~~93956790 0.00000000 999.~~76059965~~43208113 B-3 0.00000000 0.00000000 4.~~95102311~~93956705 0.00000000 999.~~76057407~~43205192 P 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (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 127,~~175~~275,~~621~~496.8467 Reserve Funds and Credit Enhancements 0.00 Proceeds from Repurchased Loans 0.00 Servicer Advances 3370,~~171~~894.7081 Gains & Subsequent Recoveries (Realized Losses) 0.00 Prepayment Penalties ~~5,568~~0.00 Total Deposits 127,~~214~~346,~~361~~391.5448 Withdrawals Reserve Funds and Credit Enhancements 0.00 Reimbursement for Servicer Advances 2836,~~351~~484.6009 Total Administration Fees 9690,~~678~~827.1428 Payment of Interest and Principal 127,~~089~~219,~~331~~080.8011 Total Withdrawals (Pool Distribution Amount) 127,~~214~~346,~~361~~391.5448 Ending Balance 0.00 Servicer Advances are calculated as delinquent scheduled principal and interest.

ADMINISTRATION FEES Gross Servicing Fee* 9690,~~678~~827.1428 Supported Prepayment/Curtailment Interest Shortfall 0.00 Total Administration Fees 9690,~~678~~827.1428 *Servicer Payees include: ABN AMRO MORTGAGE GROUP; COUNTRYWIDE HOME LOANS SERVICING LP; INDYMAC BANK, F.S.B.; ~~NATIONAL CITY MORTGAGE CO.;~~ PHH MORTGAGE CORPORATION; WASHINGTON MUTUAL BANK, F.A.; WELLS FARGO BANK, N.A.

Collateral Statement Group Pool 1 Pool 2 Collateral Description Mixed ARM Mixed ARM Weighted Average Coupon Rate 6.~~220324~~207501 6.~~166626~~155485 Weighted Average Net Rate 5.~~953989~~941117 5.~~901710~~892296 Weighted Average Pass-Through Rate 5.~~953989~~941117 5.~~901710~~892296 Weighted Average Remaining Term ~~355~~351 ~~355~~351 Principal And Interest Constant 1,~~801~~708,~~104~~017.5324 ~~489~~444,~~983~~462.3356 Beginning Loan Count ~~701~~668 ~~173~~161 Loans Paid in Full 156 3 Ending Loan Count ~~686~~662 ~~170~~158 Beginning Scheduled Balance ~~341~~324,~~291~~097,~~464~~253.7744 9486,~~806~~092,~~200~~153.1748 Ending Scheduled Balance ~~333~~321,~~691~~442,~~866~~675.2962 9283,~~481~~554,~~501~~911.5222 Actual Ending Collateral Balance ~~333~~321,~~718~~475,~~902~~163.5482 9283,~~483~~557,~~578~~030.0042 Scheduled Principal 31,~~984~~488.8595 2,~~787~~846.9977 Unscheduled Principal 72,~~567~~623,~~613~~088.6387 2,~~321~~534,~~910~~395.6649 Negative Amortized Principal 0.00 0.00 Scheduled Interest 1,~~769~~676,~~119~~528.6829 ~~487~~441,~~195~~615.3479 Servicing Fees 7571,~~748~~945.3922 2018,~~929~~882.7506 Master Servicing Fees 0.00 0.00 Trustee Fee 0.00 0.00 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 1 0.00 0.00 Spread 2 0.00 0.00 Spread 3 0.00 0.00 Net Interest 1,~~693~~604,~~371~~583.2907 ~~466~~422,~~265~~733.5973 Realized Loss Amount 0.00 0.00 Cumulative Realized Loss 0.00 0.00 Percentage of Cumulative Losses 0.0000 0.0000 Prepayment Penalty Waived Amount 0.00 0.00 Prepayment Penalty Waived Count 0 0 Prepayment Penalty Paid Amount ~~5,568~~0.00 0.00 Prepayment Penalty Paid Count 10 0 Special Servicing Fee 0.00 0.00

Collateral Statement Group Total Collateral Description Mixed ARM Weighted Average Coupon Rate 6.~~208651~~196583 Weighted Average Net Rate 5.~~942624~~930870 Weighted Average Pass-Through Rate 5.~~942624~~930870 Weighted Average Remaining Term ~~355~~351 Principal And Interest Constant 2,~~291~~152,~~087~~479.8680 Beginning Loan Count ~~874~~829 Loans Paid in Full 189 Ending Loan Count ~~856~~820 Beginning Scheduled Balance ~~436~~410,~~097~~189,~~664~~406.9492 Ending Scheduled Balance ~~426~~404,~~173~~997,~~367~~586.8184 Actual Ending Collateral Balance ~~426~~405,~~202~~032,~~480~~194.5424 Scheduled Principal 34,~~772~~335.8472 Unscheduled Principal 95,~~889~~157,~~524~~484.2936 Negative Amortized Principal 0.00 Scheduled Interest 2,~~256~~118,~~315~~144.0208 Servicing Fees 9690,~~678~~827.1428 Master Servicing Fees 0.00 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 2,~~159~~027,~~636~~316.8880 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 ~~5,568~~0.00 Prepayment Penalty Paid Count 10 Special Servicing Fee 0.00

Additional Reporting - Deal Level Structural Reporting Aggregate Senior Percentage ~~9557~~9530.~~911156~~140881% Subordinate Percentage ~~442~~469.~~088844~~859119% Trigger Event Reporting Step Down Delinquency Trigger Trigger Result Pass Threshold Value 50.000000% Calculated Value 617.~~300992~~884567% Step Down Loss Trigger Trigger Result Pass Threshold Value 30.000000% Calculated Value 0.000000% Step Down Delinquency Trigger A Trigger Result Pass Threshold Value 2.000000% Calculated Value 0.~~275658~~810338% Step Down Delinquency Trigger B Trigger Result Pass Threshold Value 4.000000% Calculated Value 0.~~275658~~810338% Step Down Delinquency/Loss Trigger Trigger Result Pass Two Times Delinquency Trigger Trigger Result Pass Threshold Value 50.000000% Calculated Value 617.~~300992~~884567% Two Times Loss Trigger Trigger Result Pass Threshold Value 20.000000% Calculated Value 0.000000% Two Times Delinquency/Loss Trigger Trigger Result Pass

Additional Reporting - Group Level Structural Reporting Pool 1 Group I Senior Percentage ~~9557~~9534.~~667431~~378050% Group I Senior Accelerated Percentage 10000.000000% Group I Subordinate Percentage ~~442~~465.~~332569~~621950% Grp I Subordinate Prepayment Percentage 0.000000% Pool 2 Group II Senior Percentage ~~9558~~9514.~~788537~~189894% Group II Senior Accelerated Percentage 10000.000000% Group II Subordinate Percentage ~~441~~485.~~211463~~810106% Grp II Subordinate Prepayment Percentage 0.000000%

Delinquency Status - MBA Delinquency Calculation Method 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 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 1015 0 0 0 1015 38,~~541~~045,~~907~~031.3621 0.00 0.00 0.00 38,~~541~~045,~~907~~031.3621 60 Days 42 0 0 0 4 2 242,~~063,161~~474.9037 0.00 0.00 0.00 2242,~~063,161~~474.9037 90 Days 03 0 0 0 03 01,317,599.0099 0.00 0.00 0.00 01,317,599.0099 120 Days 12 0 01 0 13 ~~527~~1,~~900~~005,000.00 0.00 0496,292.0064 0.00 ~~527~~1,~~900~~501,292.0064 150 Days 0 0 01 0 01 0.00 0.00 0187,200.00 0.00 0187,200.00 180+ Days 0 0 04 0 04 0.00 0.00 02,247,861.0090 0.00 02,247,861.0090 Totals 1522 0 06 0 1528 610,~~132~~610,~~969~~105.2657 0.00 02,931,354.0054 0.00 613,~~132~~541,~~969~~460.2611 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 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 1.~~168224~~829268% 0.000000% 0.000000% 0.000000% 1.~~168224~~829268% 01.~~831039~~986270% 0.000000% 0.000000% 0.000000% 01.~~831039~~986270% 60 Days 0.~~467290~~243902% 0.000000% 0.000000% 0.000000% 0.~~467290~~243902% 0.~~484080~~059865% 0.000000% 0.000000% 0.000000% 0.~~484080~~059865% 90 Days 0.~~000000~~365854% 0.000000% 0.000000% 0.000000% 0.~~000000~~365854% 0.~~000000~~325307% 0.000000% 0.000000% 0.000000% 0.~~000000~~325307% 120 Days 0.~~116822~~243902% 0.000000% 0.~~000000~~121951% 0.000000% 0.~~116822~~365854% 0.~~123861~~248128% 0.000000% 0.~~000000~~122532% 0.000000% 0.~~123861~~370660% 150 Days 0.000000% 0.000000% 0.~~000000~~121951% 0.000000% 0.~~000000~~121951% 0.000000% 0.000000% 0.~~000000~~046219% 0.000000% 0.~~000000~~046219% 180+ Days 0.000000% 0.000000% 0.~~000000~~487805% 0.000000% 0.~~000000~~487805% 0.000000% 0.000000% 0.~~000000~~554984% 0.000000% 0.~~000000~~554984% Totals 12.~~752336~~682927% 0.000000% 0.~~000000~~731707% 0.000000% 13.~~752336~~414634% 12.~~438980~~619571% 0.000000% 0.~~000000~~723734% 0.000000% 13.~~438980~~343305% Please refer to CTSLink.com for a list of delinquency code descriptions.

Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 3370,~~171~~894.7081

Delinquency Status By Group DELINQUENT BANKRUPTCY FORECLOSURE REO Total Pool 1 - MBA 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 0 0 0 0.00 0.00 0.00 0.00 30 Days 914 0 0 0 914 27,~~793~~790,~~507~~031.3621 0.00 0.00 0.00 27,~~793~~790,~~507~~031.3621 60 Days 42 0 0 0 4 2 242,~~063,161~~474.9037 0.00 0.00 0.00 2242,~~063,161~~474.9037 90 Days 03 0 0 0 03 01,317,599.0099 0.00 0.00 0.00 01,317,599.0099 120 Days 12 0 01 0 13 ~~527~~1,~~900~~005,000.00 0.00 0496,292.0064 0.00 ~~527~~1,~~900~~501,292.0064 150 Days 0 0 01 0 01 0.00 0.00 0187,200.00 0.00 0187,200.00 180+ Days 0 0 04 0 04 0.00 0.00 02,247,861.0090 0.00 02,247,861.0090 Totals 1421 0 06 0 1427 510,~~384~~355,~~569~~105.2657 0.00 02,931,354.0054 0.00 513,~~384~~286,~~569~~460.2611 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 12.~~311953~~114804% 0.000000% 0.000000% 0.000000% 12.~~311953~~114804% 02.~~837084~~423214% 0.000000% 0.000000% 0.000000% 02.~~837084~~423214% 60 Days 0.~~583090~~302115% 0.000000% 0.000000% 0.000000% 0.~~583090~~302115% 0.~~618233~~075426% 0.000000% 0.000000% 0.000000% 0.~~618233~~075426% 90 Days 0.~~000000~~453172% 0.000000% 0.000000% 0.000000% 0.~~000000~~453172% 0.~~000000~~409861% 0.000000% 0.000000% 0.000000% 0.~~000000~~409861% 120 Days 0.~~145773~~302115% 0.000000% 0.~~000000~~151057% 0.000000% 0.~~145773~~453172% 0.~~158187~~312621% 0.000000% 0.~~000000~~154380% 0.000000% 0.~~158187~~467001% 150 Days 0.000000% 0.000000% 0.~~000000~~151057% 0.000000% 0.~~000000~~151057% 0.000000% 0.000000% 0.~~000000~~058232% 0.000000% 0.~~000000~~058232% 180+ Days 0.000000% 0.000000% 0.~~000000~~604230% 0.000000% 0.~~000000~~604230% 0.000000% 0.000000% 0.~~000000~~699233% 0.000000% 0.~~000000~~699233% Totals 23.~~040816~~172205% 0.000000% 0.~~000000~~906344% 0.000000% 24.~~040816~~078550% 13.~~613504~~221121% 0.000000% 0.~~000000~~911845% 0.000000% 14.~~613504~~132966% DELINQUENT BANKRUPTCY FORECLOSURE REO Total Pool 2 - MBA 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 0 0 0 0.00 0.00 0.00 0.00 30 Days 1 0 0 0 1 ~~748~~255,~~400~~000.00 0.00 0.00 0.00 ~~748~~255,~~400~~000.00 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 1 0 0 0 1 ~~748~~255,~~400~~000.00 0.00 0.00 0.00 ~~748~~255,~~400~~000.00 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~588235~~632911% 0.000000% 0.000000% 0.000000% 0.~~588235~~632911% 0.~~809225~~305181% 0.000000% 0.000000% 0.000000% 0.~~809225~~305181% 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.~~588235~~632911% 0.000000% 0.000000% 0.000000% 0.~~588235~~632911% 0.~~809225~~305181% 0.000000% 0.000000% 0.000000% 0.~~809225~~305181% Please refer to CTSLink.com for a list of delinquency code descriptions.

Foreclosure Detail - All Mortgage Loans in Foreclosure during Current Period

Summary 12 Month Foreclosure ~~Detail~~History* -New ~~All~~Foreclosure ~~Mortgage~~Loans Month Foreclosure Percentage Loans in Foreclosure ~~during~~1 Nov-06 0.000% Original Principal Balance 497,000.00 Dec-06 0.000% Current ~~Period~~Actual ~~Summary~~Balance 496,292.64 Jan-07 No0.000% Feb-07 0.000% Current Foreclosure ~~Information~~Total toMar-07 0.000% Loans in Foreclosure 6 Apr-07 0.000% Original Principal Balance 2,934,600.00 May-07 0.000% Current Actual Balance 2,931,354.54 Jun-07 0.000% Jul-07 0.126% Aug-07 0.127% Sep-07 0.594% Oct-07 0.724% *The text reported in the above table is presented graphically on the monthly bond remittance report. ~~this~~The ~~period~~monthly bond remittance report can be viewed online at www.ctslink.com. Pool 1 12 Month Foreclosure History* New Foreclosure Loans Month Foreclosure Percentage Loans in Foreclosure 1 Nov-06 No0.000% Original Principal Balance 497,000.00 Dec-06 0.000% Current Actual Balance 496,292.64 Jan-07 0.000% Feb-07 0.000% Current Foreclosure ~~Information~~Total toMar-07 0.000% Loans in Foreclosure 6 Apr-07 0.000% Original Principal Balance 2,934,600.00 May-07 0.000% Current Actual Balance 2,931,354.54 Jun-07 0.000% Jul-07 0.160% Aug-07 0.162% Sep-07 0.751% Oct-07 0.912% *The text reported in the above table is presented graphically on the monthly bond remittance report. ~~this~~The ~~period~~monthly bond remittance report can be viewed online at www.ctslink.com. Pool 2 - No Foreclosure Information to report this period.

Foreclosure Loan Detail - All Mortgage Loans in Foreclosure during Current Period Month Loan First Original Loan Entered Payment LTV at Principal Group Number FC Date State Origination Balance NoPool ~~Foreclosure~~1 ~~Loans~~0006080426 ~~this~~Sep-2007 ~~Period~~01-Feb-2007 CA 90.00 481,500.00 Pool 1 0125165932 Sep-2007 01-Jan-2007 CA 79.66 940,000.00 Pool 1 0125259189 Jul-2007 01-Feb-2007 NV 80.00 527,900.00 Pool 1 0653984071 Oct-2007 01-Nov-2006 IL 74.18 497,000.00 Pool 1 7100304091 Sep-2007 01-Aug-2006 CA 70.00 301,000.00 Pool 1 7100326185 Sep-2007 01-Dec-2006 FL 80.00 187,200.00

Foreclosure Loan Detail - All Mortgage Loans in Foreclosure during Current Period (continued) Current Paid Current Approximate Loan Actual To Months Loan Delinquent Group Number Balance Date Delinquent Rate Interest NoPool ~~Foreclosure~~1 ~~Loans~~0006080426 ~~this~~481,500.00 ~~Period~~01-Mar-2007 6 6.875% 18,607.96 Pool 1 0125165932 937,558.36 01-Mar-2007 6 6.750% 35,454.60 Pool 1 0125259189 527,900.00 01-Jan-2007 8 6.875% 20,401.15 Pool 1 0653984071 496,292.64 01-May-2007 4 6.375% 14,889.86 Pool 1 7100304091 300,903.54 01-Mar-2007 6 6.375% 10,751.02 Pool 1 7100326185 187,200.00 01-Apr-2007 5 7.500% 7,917.00

Prepayment Detail - Prepayments during Current Period Summary Loans Paid In Full Repurchased Loans Original Current Original Current Principal Scheduled Principal Scheduled Group Count Balance Balance Count Balance Balance Pool 1 15 6 2,~~785~~589,~~500~~650.00 62,~~702~~582,~~828~~705.1680 0 0.00 0.00 Pool 2 3 2,~~310~~321,000.00 2,~~310~~320,~~000~~914.0041 0 0.00 0.00 Total 18 9 4,~~095~~910,~~500~~650.00 94,~~012~~903,~~828~~620.1621 0 0.00 0.00

Prepayment Detail - Prepayments during Current Period (continued) Summary Substitution Loans Liquidated Loans Curtailments Original Current Original Current Principal Scheduled Principal Scheduled Curtailment Group Count Balance Balance Count Balance Balance Amount Pool 1 0 0.00 0.00 0 0.00 0.00 ~~864~~40,~~785~~383.4707 Pool 2 0 0.00 0.00 0 0.00 0.00 11213,~~910~~481.6608 Total 0 0.00 0.00 0 0.00 0.00 ~~876~~253,~~696~~864.1315

Prepayment Loan Detail - Prepayments during Current Period First Original Loan LTV at Payment Principal Prepayment Group Number State Origination Date Balance Amount Pool 1 ~~0064689672~~0006088795 TXNJ 7850.24 01-~~Oct~~Jan-~~2006~~2007 ~~418~~321,~~000~~550.00 ~~339~~321,~~250~~550.00 Pool 1 ~~0068392802~~0006089706 SCWA 7050.00 01-~~Nov~~Dec-2006 ~~630~~650,000.00 ~~630~~649,~~000~~999.0098 Pool 1 ~~0124505229~~7100315436 AKIN 2879.3310 01-~~Jan~~Nov-~~2007~~2006 ~~347~~140,000.00 ~~343~~140,~~186.00 Pool 1 0124918184 CA 75.19 01-Mar-2007 500,~~000.00 ~~500,000.00~~ Pool 1 ~~0125065141~~7100315618 NJMI ~~38.52 01-Feb-2007 520,000.00 520,000.00 Pool 1 0125081941 CA~~ 80.00 01-~~Mar~~Nov-~~2007~~2006 ~~568~~180,000.00 ~~568~~179,~~000~~994.0068 Pool 1 ~~0125306037~~7100315766 CA 5061.5342 01-~~Mar~~Nov-~~2007~~2006 ~~240~~347,000.00 ~~240~~346,~~000~~346.0018 Pool 1 ~~0125388831~~7100315774 ~~FL 75.00 01-Feb-2007 378,000.00 378,000.00 Pool 1 0125416643~~ CA 6567.6394 01-~~Mar-2007 525,000.00 525,000.00 Pool 1 0654153283 CA 54.07 01-Jan-2007 319,000.00 319,000.00 Pool 1 7100313829 GA 80.00 01-~~Oct-2006 ~~116~~951,~~000~~100.00 ~~115~~944,~~960~~814.4596 Pool 12 ~~7100314223~~0653489878 NVCA 6575.00 01-Sep-2006 1975,~~462,500.00 1,462,500.00 Pool 1 7100314660 NJ 80.00 01-Oct-2006 380,~~000.00 ~~380~~974,~~000~~914.0041 Pool 12 ~~7100316244~~0654128098 NJNY ~~95.00 01-Nov-2006 190,000.00 189,931.71 Pool 1 7100325575 WA~~ 80.00 01-Dec-2006 ~~192~~1,~~000.00 192~~096,000.00 ~~Pool 2 0124853902 WA 13.16 01-Feb-2007 100~~1,~~000.00 100~~096,000.00 Pool 2 ~~0653690010~~7100314843 NYVA 6047.0080 01-Oct-2006 1250,~~950,~~000.00 1250,~~950,~~000.00 ~~Pool 2 0654385341 CA 65.82 01-Jan-2007 260,000.00 260,000.00~~

Prepayment Loan Detail - Prepayments during Current Period (continued) Current Loan PIF Months Loan Original Group Number Type Delinquent Rate Term Seasoning Pool 1 ~~0064689672~~0006088795 Loan Paid in Full ~~(1)~~0 65.000% 360 89 Pool 1 ~~0068392802~~0006089706 Loan Paid in Full (1) ~~6.500% 360~~ 7 ~~Pool 1 0124505229 Loan Paid in Full (1) 6~~.~~000~~125% 360 510 Pool 1 ~~0124918184~~7100315436 Loan Paid in Full 0 5.~~625% 360 3 Pool 1 0125065141 Loan Paid in Full 0 6.000% 360 4 Pool 1 0125081941 Loan Paid in Full 0 6.~~500% 360 311 Pool 1 ~~0125306037~~7100315618 Loan Paid in Full 0 6.~~000% 360 3 Pool 1 0125388831 Loan Paid in Full 0 6.~~250% 360 411 Pool 1 ~~0125416643~~7100315766 Loan Paid in Full ~~0 6.500% 360 3 Pool~~ (1) ~~0654153283 Loan Paid in Full 0~~ 5.~~250% 360 5 Pool 1 7100313829 Loan Paid in Full 0 6.~~500% 360 811 Pool 1 ~~7100314223~~7100315774 Loan Paid in Full ~~0 7.250% 360 9 Pool~~ (1) ~~7100314660 Loan Paid in Full 0~~ 6.~~750~~000% 360 812 Pool 12 ~~7100316244~~0653489878 Loan Paid in Full 0 6.~~625~~875% 360 713 Pool ~~1 7100325575 Loan Paid in Full 0 7.250% 360 6 Pool~~ 2 ~~0124853902~~0654128098 Loan Paid in Full 0 6.~~375~~750% 360 410 Pool 2 ~~0653690010~~7100314843 Loan Paid in Full ~~(1) 6.500% 360 8 Pool 2 0654385341 Loan Paid in Full~~ 0 6.500% 360 512

Prepayment Penalty Detail - Prepayment Penalty Paid during Current Period Prepayment Prepayment Summary Loan Prior Penalty Penalty Count Balance Amount Waived Pool 1 10 ~~192,000~~0.00 ~~5,568~~0.00 0.00 Pool 2 0 0.00 0.00 0.00 Total 10 ~~192,000~~0.00 ~~5,568~~0.00 0.00

Prepayment Penalty Loan Detail - Prepayment Penalty Paid during Current Period Paid In Prepayment Prepayment Loan Full Prior Penalty Penalty Group Number Date Balance Amount Waived ~~Pool~~No 1Prepayment ~~7100325575~~Penalties ~~05/31/2007~~this ~~192,000.00 5,568.00 0.00~~Period

Prepayment Rates

Summary SMM CPR PSA Current Month 21.~~268~~257% Current Month 2414.~~064~~088% Current Month ~~2,253~~757.~~927~~297% 3 Month Average 21.~~055~~092% 3 Month Average 2212.~~042~~289% 3 Month Average ~~2,584~~729.~~581~~752% 12 Month Average 0.000% 12 Month Average 0.000% 12 Month Average 0.000% CPR: Current vs. 12mo Average* PSA: Current vs. 12mo Average* Month Current 12mo Avg. Month Current 12mo Avg. ~~Jul~~Nov-2006 N/A N/A ~~Jul~~Nov-2006 N/A N/A ~~Aug~~Dec-2006 N/A N/A ~~Aug~~Dec-2006 N/A N/A ~~Sep~~Jan-~~2006~~2007 N/A N/A ~~Sep~~Jan-~~2006~~2007 N/A N/A ~~Oct~~Feb-~~2006~~2007 N/A N/A ~~Oct~~Feb-~~2006~~2007 N/A N/A ~~Nov~~Mar-~~2006~~2007 N/A N/A ~~Nov~~Mar-~~2006~~2007 N/A N/A ~~Dec~~Apr-~~2006~~2007 ~~N/A~~20.013% N/A ~~Dec~~Apr-~~2006~~2007 ~~N/A~~2,968.919% N/A ~~Jan~~May-2007 ~~N/A~~22.050% N/A ~~Jan~~May-2007 ~~N/A~~2,530.897% N/A ~~Feb~~Jun-2007 ~~N/A~~24.064% N/A ~~Feb~~Jun-2007 ~~N/A~~2,253.927% N/A ~~Mar~~Jul-2007 ~~N/A~~19.129% N/A ~~Mar~~Jul-2007 ~~N/A~~1,508.853% N/A ~~Apr~~Aug-2007 207.~~013~~823% N/A ~~Apr~~Aug-2007 ~~2,968~~533.~~919~~606% N/A ~~May~~Sep-2007 2214.~~050~~956% N/A ~~May~~Sep-2007 ~~2,530~~898.~~897~~353% N/A ~~Jun~~Oct-2007 2414.~~064~~088% N/A ~~Jun~~Oct-2007 ~~2,253~~757.~~927~~297% N/A *The text reported in the above table is presented *The text reported in the above table is presented graphically on the monthly bond remittance report. The graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at monthly bond remittance report can be viewed online at www.ctslink.com. www.ctslink.com. Pool 1 SMM CPR PSA Current Month 20.~~218~~809% Current Month 239.~~593~~292% Current Month ~~2,182~~495.~~412~~490% 3 Month Average 20.~~056~~774% 3 Month Average 228.~~030~~902% 3 Month Average ~~2,531~~532.~~940~~375% 12 Month Average 0.000% 12 Month Average 0.000% 12 Month Average 0.000% CPR: Current vs. 12mo Average* PSA: Current vs. 12mo Average* Month Current 12mo Avg. Month Current 12mo Avg. ~~Jul~~Nov-2006 N/A N/A ~~Jul~~Nov-2006 N/A N/A ~~Aug~~Dec-2006 N/A N/A ~~Aug~~Dec-2006 N/A N/A ~~Sep~~Jan-~~2006~~2007 N/A N/A ~~Sep~~Jan-~~2006~~2007 N/A N/A ~~Oct~~Feb-~~2006~~2007 N/A N/A ~~Oct~~Feb-~~2006~~2007 N/A N/A ~~Nov~~Mar-~~2006~~2007 N/A N/A ~~Nov~~Mar-~~2006~~2007 N/A N/A ~~Dec~~Apr-~~2006~~2007 ~~N/A~~18.408% N/A ~~Dec~~Apr-~~2006~~2007 ~~N/A~~2,683.564% N/A ~~Jan~~May-2007 ~~N/A~~24.089% N/A ~~Jan~~May-2007 ~~N/A~~2,729.843% N/A ~~Feb~~Jun-2007 ~~N/A~~23.593% N/A ~~Feb~~Jun-2007 ~~N/A~~2,182.412% N/A ~~Mar~~Jul-2007 ~~N/A~~15.156% N/A ~~Mar~~Jul-2007 ~~N/A~~1,183.319% N/A ~~Apr~~Aug-2007 187.~~408~~913% N/A ~~Apr~~Aug-2007 ~~2,683~~535.~~564~~271% N/A ~~May~~Sep-2007 249.~~089~~502% N/A ~~May~~Sep-2007 ~~2,729~~566.~~843~~363% N/A ~~Jun~~Oct-2007 239.~~593~~292% N/A ~~Jun~~Oct-2007 ~~2,182~~495.~~412~~490% N/A *The text reported in the above table is presented *The text reported in the above table is presented graphically on the monthly bond remittance report. The graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at monthly bond remittance report can be viewed online at www.ctslink.com. www.ctslink.com. Pool 2 SMM CPR PSA Current Month 2.~~449~~944% Current Month 2530.~~737~~133% Current Month 21,~~525~~671.~~069~~650% 3 Month Average 2.~~050~~271% 3 Month Average 2123.~~837~~377% 3 Month Average 21,~~762~~403.~~400~~495% 12 Month Average 0.000% 12 Month Average 0.000% 12 Month Average 0.000% CPR: Current vs. 12mo Average* PSA: Current vs. 12mo Average* Month Current 12mo Avg. Month Current 12mo Avg. ~~Jul~~Nov-2006 N/A N/A ~~Jul~~Nov-2006 N/A N/A ~~Aug~~Dec-2006 N/A N/A ~~Aug~~Dec-2006 N/A N/A ~~Sep~~Jan-~~2006~~2007 N/A N/A ~~Sep~~Jan-~~2006~~2007 N/A N/A ~~Oct~~Feb-~~2006~~2007 N/A N/A ~~Oct~~Feb-~~2006~~2007 N/A N/A ~~Nov~~Mar-~~2006~~2007 N/A N/A ~~Nov~~Mar-~~2006~~2007 N/A N/A ~~Dec~~Apr-~~2006~~2007 ~~N/A~~25.568% N/A ~~Dec~~Apr-~~2006~~2007 ~~N/A~~4,052.613% N/A ~~Jan~~May-2007 ~~N/A~~14.206% N/A ~~Jan~~May-2007 ~~N/A~~1,709.519% N/A ~~Feb~~Jun-2007 ~~N/A~~25.737% N/A ~~Feb~~Jun-2007 ~~N/A~~2,525.069% N/A ~~Mar~~Jul-2007 ~~N/A~~32.087% N/A ~~Mar~~Jul-2007 ~~N/A~~2,630.545% N/A ~~Apr~~Aug-2007 257.~~568~~494% N/A ~~Apr~~Aug-2007 ~~4,052~~527.~~613~~188% N/A ~~May~~Sep-2007 1432.~~206~~506% N/A ~~May~~Sep-2007 12,~~709~~011.~~519~~648% N/A ~~Jun~~Oct-2007 2530.~~737~~133% N/A ~~Jun~~Oct-2007 21,~~525~~671.~~069~~650% N/A *The text reported in the above table is presented *The text reported in the above table is presented graphically on the monthly bond remittance report. The graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at monthly bond remittance report can be viewed online at www.ctslink.com. www.ctslink.com. Calculation Methodology: Single Month Mortality (SMM): (Partial and full prepayments + Repurchases) / (Beginning Scheduled Balance - Scheduled Principal) Conditional PrePayment Rate (CPR): 1 - ((1 - SMM)^12) PSA Standard Prepayment Model: 100 * CPR / (0.2 * MIN(30,WAS)) Weighted Average Seasoning (WAS): sum((Original Term - Remaining Term)*(Current Scheduled Balance/Deal Scheduled Principal Balance))

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 Pool 1 Current Number of Outstanding Percentage of Number of Outstanding Percentage of Interest Rate Loans Scheduled Balance(%) Loans Scheduled Balance(%) Range(%) Balance($) Balance($) < 4.500 0 0.00 0.000 0 0.00 0.000 4.500 4.749 2 579,599.99 0.~~136~~143 2 579,599.99 0.~~174~~180 4.750 4.999 5 2,~~561~~560,~~801~~916.5894 0.~~601~~632 3 1,471,449.88 0.~~441~~458 5.000 5.249 1312 87,~~265~~940,~~412~~606.5509 1.~~939~~961 98 6,~~346~~025,~~961~~411.79 1.~~902~~874 5.250 5.499 16 8,~~630~~619,~~627~~693.5745 2.~~025~~128 14 7,~~759~~748,~~627~~695.5746 2.~~325~~411 5.500 5.749 6156 2624,~~514~~667,~~042~~548.1718 6.~~221~~091 5349 2120,~~838~~284,~~111~~667.5628 6.~~544~~311 5.750 5.999 129 7372,~~154~~516,~~514~~430.7315 17.~~165~~905 100 54,~~605~~565,~~643~~146.7224 16.~~364~~975 6.000 6.249 ~~151~~146 8379,~~591~~435,~~239~~686.6519 19.614 ~~119~~117 6563,~~982~~976,~~801~~237.6036 19.~~774~~903 6.250 6.499 ~~212~~205 ~~106~~101,~~080~~814,~~481~~587.5414 2425.~~891~~140 ~~154~~151 7574,~~670~~704,~~356~~675.5269 2223.~~677~~240 6.500 6.749 ~~128~~121 6459,~~406~~872,~~393~~175.2029 1514.~~113~~783 ~~107~~101 5450,~~427~~147,~~431~~361.6881 1615.~~311~~601 6.750 6.999 7369 3229,~~437~~318,~~688~~862.7432 7.~~611~~239 6664 2827,~~588~~540,~~550~~822.1890 8.~~567~~568 7.000 7.249 3026 119,~~016~~289,~~356~~228.5642 2.~~585~~294 2622 86,~~297~~591,~~523~~254.2754 2.~~487~~051 7.250 7.499 1614 43,~~102~~701,~~438~~044.6093 0.~~963~~914 1413 3,~~398~~233,~~037~~144.6093 1.~~018~~006 7.500 7.749 9 2,~~442~~440,~~681~~347.7540 0.~~573~~603 8 2,~~335~~333,~~681~~347.7540 0.~~700~~726 7.750 7.999 7 1,~~426~~425,~~271~~052.0118 0.~~335~~352 7 1,~~426~~425,~~271~~052.0118 0.~~427~~443 8.000 8.249 1 252,028.17 0.~~059~~062 1 252,028.17 0.~~076~~078 8.250 8.499 32 ~~711~~563,~~790~~780.00 0.~~167~~139 32 ~~711~~563,~~790~~780.00 0.~~213~~175 >= 8.500 0 0.00 0.000 0 0.00 0.000 Total ~~856~~820 ~~426~~404,~~173~~997,~~367~~586.8184 100.000 ~~686~~662 ~~333~~321,~~691~~442,~~866~~675.2962 100.000

Interest Rate Stratification (continued) Pool 2 Current Number of Outstanding Percentage of Interest Rate Loans Scheduled Balance(%) Range(%) Balance($) < 4.500 0 0.00 0.000 4.500 4.749 0 0.00 0.000 4.750 4.999 2 1,~~090~~089,~~351~~467.7006 1.~~179~~304 5.000 5.249 4 1,~~918~~915,~~450~~194.7630 2.~~074~~292 5.250 5.499 2 ~~871~~870,~~000~~997.0099 01.~~942~~042 5.500 5.749 87 4,~~675~~382,~~930~~880.6190 5.~~056~~246 5.750 5.999 29 1817,~~548~~951,~~871~~283.0191 2021.~~057~~484 6.000 6.249 3229 1715,~~608~~459,~~438~~448.0583 1918.~~040~~502 6.250 6.499 5854 3027,~~410~~109,~~125~~911.0245 32.~~882~~446 6.500 6.749 2120 9,~~978~~724,~~961~~813.5248 1011.~~790~~639 6.750 6.999 75 31,~~849~~778,~~138~~039.5642 42.~~162~~128 7.000 7.249 4 2,~~718~~697,~~833~~973.2988 23.~~940~~229 7.250 7.499 21 ~~704~~467,~~401~~900.00 0.~~762~~560 7.500 7.749 1 107,000.00 0.~~116~~128 7.750 7.999 0 0.00 0.000 8.000 8.249 0 0.00 0.000 8.250 8.499 0 0.00 0.000 >= 8.500 0 0.00 0.000 Total ~~170~~158 9283,~~481~~554,~~501~~911.5222 100.000

Filing Compare · Merrill Lynch Mortgage Backed Securities Trust, Series 2007-1