10-D 1 dal07oa1_10d-200712.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: November 27, 2007 to December 26, 2007 Commission File Number of issuing entity: 333-131600-16 Deutsche Alt-A Securities Mortgage Loan Trust, Series 2007-OA1 (Exact name of issuing entity as specified in its charter) Commission File Number of depositor: 333-131600 Deutsche Alt-A Securities, Inc. (Exact name of depositor as specified in its charter) DB Structured Products, Inc. (Exact name of sponsor as specified in its charter) New York (State or other jurisdiction of incorporation or organization of the issuing entity) 54-2198886 54-2198887 54-2198888 (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-1 _____ _____ __X___ ____________ A-2 _____ _____ __X___ ____________ A-3 _____ _____ __X___ ____________ M-1 _____ _____ __X___ ____________ M-2 _____ _____ __X___ ____________ M-3 _____ _____ __X___ ____________ M-4 _____ _____ __X___ ____________ M-5 _____ _____ __X___ ____________ M-6 _____ _____ __X___ ____________ M-7 _____ _____ __X___ ____________ M-8 _____ _____ __X___ ____________ M-9 _____ _____ __X___ ____________ M-10 _____ _____ __X___ ____________ CE _____ _____ __X___ ____________ P _____ _____ __X___ ____________ R _____ _____ __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 December 26, 2007 a distribution was made to holders of Deutsche Alt-A Securities Mortgage Loan Trust, Series 2007-OA1. 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 Deutsche Alt-A Securities Mortgage Loan Trust, Series 2007-OA1, relating to the December 26, 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. Deutsche Alt-A Securities Mortgage Loan Trust, Series 2007-OA1 (Issuing Entity) Wells Fargo Bank, N.A. (Master Servicer) /s/ Elisabeth A. Brewster Elisabeth A. Brewster, Vice President Date: January 7, 2008 EXHIBIT INDEX Exhibit Number Description EX-99.1 Monthly report distributed to holders of Deutsche Alt-A Securities Mortgage Loan Trust, Series 2007-OA1, relating to the December 26, 2007 distribution. EX-99.1 DEUTSCHE ALT-A SECURITIES, INC Mortgage Pass-Through Certificates Distribution Date: 12/26/2007 DEUTSCHE ALT-A SECURITIES, INC Mortgage Pass-Through Certificates Series 2007-OA1 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-1 25151VAA3 0612/2224/2007 54.~~47000~~93875% ~~299~~267,~~537~~798,~~914~~029.7340 1,~~410~~102,~~906~~156.7826 A-2 25151VAB1 0612/2224/2007 54.~~50000~~96875% 3733,~~442~~474,~~239~~753.3468 ~~177~~138,~~330~~606.6140 A-3 25151VAC9 0612/2224/2007 5.~~54000~~00875% 3733,~~442~~474,~~239~~753.3468 ~~178~~139,~~620~~722.2823 M-1 25151VAD7 0612/2224/2007 5.~~61000~~07875% 7,470,000.00 3631,~~086~~615.3222 M-2 25151VAE5 0612/2224/2007 5.~~66000~~12875% 7,030,000.00 3430,~~263~~045.4493 M-3 25151VAF2 0612/2224/2007 5.~~70000~~16875% 2,416,000.00 1110,~~858~~406.5342 M-4 25151VAG0 0612/2224/2007 5.~~85000~~31875% 2,416,000.00 1210,~~170~~708.6042 M-5 25151VAH8 0612/2224/2007 5.~~91000~~37875% 2,197,000.00 119,~~180~~847.9059 M-6 25151VAJ4 0612/2224/2007 5.~~97000~~43875% 2,197,000.00 119,~~294~~957.4144 M-7 25151VAK1 0612/2224/2007 65.~~47000~~93875% 2,636,000.00 1413,~~686~~045.1845 M-8 25151VAL9 0612/2224/2007 76.~~32000~~78875% 2,636,000.00 1614,~~615~~912.5962 M-9 25151VAM7 0612/2224/2007 76.~~32000~~78875% 2,197,000.00 1312,~~848~~429.4207 M-10 25151VAN5 0612/2224/2007 76.~~32000~~78875% 1,980,000.00 1211,~~480~~201.6044 CE 111410627 0511/3130/2007 0.00000% 2,856,182.94 ~~734~~722,~~581~~562.6706 P 111410650 0511/3130/2007 0.00000% 100.00 ~~72,963~~0.2400 R 111410676 0511/3130/2007 0.00000% 0.00 0.00 Totals ~~410~~370,~~453~~778,~~676~~819.3570 2,~~748~~257,~~887~~216.5755

Certificateholder Distribution Summary (continued) Class Principal Current Ending Total Cumulative Distribution Realized Certificate Distribution Realized Loss Balance Losses A-1 54,~~778~~902,~~099~~801.8746 0.00 ~~293~~262,~~759~~895,~~814~~227.8694 76,~~189~~004,~~006~~957.6572 0.00 A-2 ~~722~~612,~~262~~850.4818 0.00 3632,~~719~~861,~~976~~903.8649 ~~899~~751,~~593~~456.0958 0.00 A-3 ~~722~~612,~~262~~850.4818 0.00 3632,~~719~~861,~~976~~903.8649 ~~900~~752,~~882~~572.7641 0.00 M-1 0.00 0.00 7,470,000.00 3631,~~086~~615.3222 0.00 M-2 0.00 0.00 7,030,000.00 3430,~~263~~045.4493 0.00 M-3 0.00 0.00 2,416,000.00 1110,~~858~~406.5342 0.00 M-4 0.00 0.00 2,416,000.00 1210,~~170~~708.6042 0.00 M-5 0.00 0.00 2,197,000.00 119,~~180~~847.9059 0.00 M-6 0.00 0.00 2,197,000.00 119,~~294~~957.4144 0.00 M-7 0.00 0.00 2,636,000.00 1413,~~686~~045.1845 0.00 M-8 0.00 0.00 2,636,000.00 1614,~~615~~912.5962 0.00 M-9 0.00 0.00 2,197,000.00 1312,~~848~~429.4207 0.00 M-10 0.00 0.00 1,980,000.00 1211,~~480~~201.6044 0.00 CE 0.00 0.00 2,856,182.94 ~~734~~722,~~581~~562.6706 0.00 P 0.00 0.00 100.00 ~~72,963~~0.2400 0.00 R 0.00 0.00 0.00 0.00 0.00 Totals 76,~~222~~128,~~624~~501.8382 0.00 ~~403~~364,~~231~~650,~~051~~317.5286 98,~~971~~385,~~512~~718.4037 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 A-1 322,704,000.00 ~~299~~267,~~537~~798,~~914~~029.7340 0.00 54,~~778~~902,~~099~~801.8746 0.00 A-2 40,338,000.00 3733,~~442~~474,~~239~~753.3468 0.00 ~~722~~612,~~262~~850.4818 0.00 A-3 40,338,000.00 3733,~~442~~474,~~239~~753.3468 0.00 ~~722~~612,~~262~~850.4818 0.00 M-1 7,470,000.00 7,470,000.00 0.00 0.00 0.00 M-2 7,030,000.00 7,030,000.00 0.00 0.00 0.00 M-3 2,416,000.00 2,416,000.00 0.00 0.00 0.00 M-4 2,416,000.00 2,416,000.00 0.00 0.00 0.00 M-5 2,197,000.00 2,197,000.00 0.00 0.00 0.00 M-6 2,197,000.00 2,197,000.00 0.00 0.00 0.00 M-7 2,636,000.00 2,636,000.00 0.00 0.00 0.00 M-8 2,636,000.00 2,636,000.00 0.00 0.00 0.00 M-9 2,197,000.00 2,197,000.00 0.00 0.00 0.00 M-10 1,980,000.00 1,980,000.00 0.00 0.00 0.00 CE 2,857,659.59 2,856,182.94 0.00 0.00 0.00 P 100.00 100.00 0.00 0.00 0.00 R 0.00 0.00 0.00 0.00 0.00 Totals 439,412,759.59 ~~410~~370,~~453~~778,~~676~~819.3570 0.00 76,~~222~~128,~~624~~501.8382 0.00

Principal Distribution Statement (continued) Class Realized Total Ending Ending Total Loss Principal Certificate Certificate Principal Reduction Balance Percentage Distribution A-1 0.00 54,~~778~~902,~~099~~801.8746 ~~293~~262,~~759~~895,~~814~~227.8694 0.~~91030732~~81466368 54,~~778~~902,~~099~~801.8746 A-2 0.00 ~~722~~612,~~262~~850.4818 3632,~~719~~861,~~976~~903.8649 0.~~91030732~~81466368 ~~722~~612,~~262~~850.4818 A-3 0.00 ~~722~~612,~~262~~850.4818 3632,~~719~~861,~~976~~903.8649 0.~~91030732~~81466368 ~~722~~612,~~262~~850.4818 M-1 0.00 0.00 7,470,000.00 1.00000000 0.00 M-2 0.00 0.00 7,030,000.00 1.00000000 0.00 M-3 0.00 0.00 2,416,000.00 1.00000000 0.00 M-4 0.00 0.00 2,416,000.00 1.00000000 0.00 M-5 0.00 0.00 2,197,000.00 1.00000000 0.00 M-6 0.00 0.00 2,197,000.00 1.00000000 0.00 M-7 0.00 0.00 2,636,000.00 1.00000000 0.00 M-8 0.00 0.00 2,636,000.00 1.00000000 0.00 M-9 0.00 0.00 2,197,000.00 1.00000000 0.00 M-10 0.00 0.00 1,980,000.00 1.00000000 0.00 CE 0.00 0.00 2,856,182.94 0.99948327 0.00 P 0.00 0.00 100.00 1.00000000 0.00 R 0.00 0.00 0.00 0.00000000 0.00 Totals $0.00 76,~~222~~128,~~624~~501.8382 ~~403~~364,~~231~~650,~~051~~317.5286 0.~~91765895~~82985828 76,~~222~~128,~~624~~501.8382 NOTE: Accretion amount also includes Net Negative Amortization, if applicable.

Principal Distribution Factors Statement Class Original Beginning Scheduled UnScheduled Accretion Face Certificate Principal Principal Amount Balance Distribution Distribution A-1 322,704,000.00 ~~928~~829.~~21258717~~85655399 0.00000000 1715.~~90526262~~19287477 0.00000000 A-2 40,338,000.00 ~~928~~829.~~21258714~~85655412 0.00000000 1715.~~90526253~~19287471 0.00000000 A-3 40,338,000.00 ~~928~~829.~~21258714~~85655412 0.00000000 1715.~~90526253~~19287471 0.00000000 M-1 7,470,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M-2 7,030,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M-3 2,416,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M-4 2,416,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M-5 2,197,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M-6 2,197,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M-7 2,636,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M-8 2,636,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M-9 2,197,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 M-10 1,980,000.00 1000.00000000 0.00000000 0.00000000 0.00000000 CE 2,857,659.59 999.48326595 0.00000000 0.00000000 0.00000000 P 100.00 1000.00000000 0.00000000 0.00000000 0.00000000 R 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 A-1 0.00000000 1715.~~90526262~~19287477 ~~910~~814.~~30732455~~66367922 0.~~91030732~~81466368 1715.~~90526262~~19287477 A-2 0.00000000 1715.~~90526253~~19287471 ~~910~~814.~~30732461~~66367916 0.~~91030732~~81466368 1715.~~90526253~~19287471 A-3 0.00000000 1715.~~90526253~~19287471 ~~910~~814.~~30732461~~66367916 0.~~91030732~~81466368 1715.~~90526253~~19287471 M-1 0.00000000 0.00000000 1000.00000000 1.00000000 0.00000000 M-2 0.00000000 0.00000000 1000.00000000 1.00000000 0.00000000 M-3 0.00000000 0.00000000 1000.00000000 1.00000000 0.00000000 M-4 0.00000000 0.00000000 1000.00000000 1.00000000 0.00000000 M-5 0.00000000 0.00000000 1000.00000000 1.00000000 0.00000000 M-6 0.00000000 0.00000000 1000.00000000 1.00000000 0.00000000 M-7 0.00000000 0.00000000 1000.00000000 1.00000000 0.00000000 M-8 0.00000000 0.00000000 1000.00000000 1.00000000 0.00000000 M-9 0.00000000 0.00000000 1000.00000000 1.00000000 0.00000000 M-10 0.00000000 0.00000000 1000.00000000 1.00000000 0.00000000 CE 0.00000000 0.00000000 999.48326595 0.99948327 0.00000000 P 0.00000000 0.00000000 1000.00000000 1.00000000 0.00000000 R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 NOTE: Accretion amount also includes Net Negative Amortization, if applicable. 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-1 0511/2526/07 - 0612/2425/07 3130 54.~~47000~~93875% ~~299~~267,~~537~~798,~~914~~029.7340 1,~~410~~102,~~906~~156.7826 0.00 A-2 0511/2526/07 - 0612/2425/07 3130 54.~~50000~~96875% 3733,~~442~~474,~~239~~753.3468 ~~177~~138,~~330~~606.6140 0.00 A-3 0511/2526/07 - 0612/2425/07 3130 5.~~54000~~00875% 3733,~~442~~474,~~239~~753.3468 ~~178~~139,~~620~~722.2823 0.00 M-1 0511/2526/07 - 0612/2425/07 3130 5.~~61000~~07875% 7,470,000.00 3631,~~086~~615.3222 0.00 M-2 0511/2526/07 - 0612/2425/07 3130 5.~~66000~~12875% 7,030,000.00 3430,~~263~~045.4493 0.00 M-3 0511/2526/07 - 0612/2425/07 3130 5.~~70000~~16875% 2,416,000.00 1110,~~858~~406.5342 0.00 M-4 0511/2526/07 - 0612/2425/07 3130 5.~~85000~~31875% 2,416,000.00 1210,~~170~~708.6042 0.00 M-5 0511/2526/07 - 0612/2425/07 3130 5.~~91000~~37875% 2,197,000.00 119,~~180~~847.9059 0.00 M-6 0511/2526/07 - 0612/2425/07 3130 5.~~97000~~43875% 2,197,000.00 119,~~294~~957.4144 0.00 M-7 0511/2526/07 - 0612/2425/07 3130 65.~~47000~~93875% 2,636,000.00 1413,~~686~~045.1845 0.00 M-8 0511/2526/07 - 0612/2425/07 3130 76.~~32000~~78875% 2,636,000.00 1614,~~615~~912.5962 0.00 M-9 0511/2526/07 - 0612/2425/07 3130 76.~~32000~~78875% 2,197,000.00 1312,~~848~~429.4207 0.00 M-10 0511/2526/07 - 0612/2425/07 3130 76.~~32000~~78875% 1,980,000.00 1211,~~480~~201.6044 0.00 CE N/A N/A 0.00000% 2,856,182.94 0.00 0.00 P N/A N/A 0.00000% 100.00 0.00 0.00 R N/A N/A 0.00000% 0.00 0.00 0.00 Totals 1,~~941~~534,~~342~~654.6649 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-1 0.00 0.00 1,~~410~~102,~~906~~156.7826 0.00 ~~293~~262,~~759~~895,~~814~~227.8694 A-2 0.00 0.00 ~~177~~138,~~330~~606.6140 0.00 3632,~~719~~861,~~976~~903.8649 A-3 0.00 0.00 ~~178~~139,~~620~~722.2823 0.00 3632,~~719~~861,~~976~~903.8649 M-1 0.00 0.00 3631,~~086~~615.3222 0.00 7,470,000.00 M-2 0.00 0.00 3430,~~263~~045.4493 0.00 7,030,000.00 M-3 0.00 0.00 1110,~~858~~406.5342 0.00 2,416,000.00 M-4 0.00 0.00 1210,~~170~~708.6042 0.00 2,416,000.00 M-5 0.00 0.00 119,~~180~~847.9059 0.00 2,197,000.00 M-6 0.00 0.00 119,~~294~~957.4144 0.00 2,197,000.00 M-7 0.00 0.00 1413,~~686~~045.1845 0.00 2,636,000.00 M-8 0.00 0.00 1614,~~615~~912.5962 0.00 2,636,000.00 M-9 0.00 0.00 1312,~~848~~429.4207 0.00 2,197,000.00 M-10 0.00 0.00 1211,~~480~~201.6044 0.00 1,980,000.00 CE 0.00 0.00 ~~734~~722,~~581~~562.6706 0.00 2,856,182.94 P 0.00 0.00 ~~72,963~~0.2400 0.00 100.00 R 0.00 0.00 0.00 0.00 0.00 Totals 0.00 0.00 2,~~748~~257,~~887~~216.5755 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-1 322,704,000.00 54.~~47000~~93875% ~~928~~829.~~21258717~~85655399 43.~~37213911~~41537837 0.00000000 A-2 40,338,000.00 54.~~50000~~96875% ~~928~~829.~~21258714~~85655412 43.~~39611805~~43612475 0.00000000 A-3 40,338,000.00 5.~~54000~~00875% ~~928~~829.~~21258714~~85655412 43.~~42808964~~46378675 0.00000000 M-1 7,470,000.00 5.~~61000~~07875% 1000.00000000 4.~~83083266~~23229183 0.00000000 M-2 7,030,000.00 5.~~66000~~12875% 1000.00000000 4.~~87388905~~27395875 0.00000000 M-3 2,416,000.00 5.~~70000~~16875% 1000.00000000 4.~~90833195~~30729305 0.00000000 M-4 2,416,000.00 5.~~85000~~31875% 1000.00000000 54.~~03750000~~43229305 0.00000000 M-5 2,197,000.00 5.~~91000~~37875% 1000.00000000 54.~~08916705~~48228949 0.00000000 M-6 2,197,000.00 5.~~97000~~43875% 1000.00000000 54.~~14083295~~53228949 0.00000000 M-7 2,636,000.00 65.~~47000~~93875% 1000.00000000 54.~~57138847~~94895675 0.00000000 M-8 2,636,000.00 76.~~32000~~78875% 1000.00000000 65.~~30333460~~65729135 0.00000000 M-9 2,197,000.00 76.~~32000~~78875% 1000.00000000 65.~~30333182~~65729176 0.00000000 M-10 1,980,000.00 76.~~32000~~78875% 1000.00000000 65.~~30333333~~65729293 0.00000000 CE 2,857,659.59 0.00000% 999.48326595 0.00000000 0.00000000 P 100.00 0.00000% 1000.00000000 0.00000000 0.00000000 R 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 A-1 0.00000000 0.00000000 43.~~37213911~~41537837 0.00000000 ~~910~~814.~~30732455~~66367922 A-2 0.00000000 0.00000000 43.~~39611805~~43612475 0.00000000 ~~910~~814.~~30732461~~66367916 A-3 0.00000000 0.00000000 43.~~42808964~~46378675 0.00000000 ~~910~~814.~~30732461~~66367916 M-1 0.00000000 0.00000000 4.~~83083266~~23229183 0.00000000 1000.00000000 M-2 0.00000000 0.00000000 4.~~87388905~~27395875 0.00000000 1000.00000000 M-3 0.00000000 0.00000000 4.~~90833195~~30729305 0.00000000 1000.00000000 M-4 0.00000000 0.00000000 54.~~03750000~~43229305 0.00000000 1000.00000000 M-5 0.00000000 0.00000000 54.~~08916705~~48228949 0.00000000 1000.00000000 M-6 0.00000000 0.00000000 54.~~14083295~~53228949 0.00000000 1000.00000000 M-7 0.00000000 0.00000000 54.~~57138847~~94895675 0.00000000 1000.00000000 M-8 0.00000000 0.00000000 65.~~30333460~~65729135 0.00000000 1000.00000000 M-9 0.00000000 0.00000000 65.~~30333182~~65729176 0.00000000 1000.00000000 M-10 0.00000000 0.00000000 65.~~30333333~~65729293 0.00000000 1000.00000000 CE 0.00000000 0.00000000 ~~257~~252.~~05709405~~85099125 0.00000000 999.48326595 P 0.00000000 0.00000000 ~~729632~~0.~~40000000~~00000000 0.00000000 1000.00000000 R 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 108,~~002~~586,~~764~~946.2567 Reserve Funds and Credit Enhancements 0.00 Proceeds from Repurchased Loans 0.00 Servicer Advances 53153,~~851~~162.5751 Gains & Subsequent Recoveries (Realized Losses) 0.00 Prepayment Penalties ~~72,963~~0.2400 Swap/Cap Payments ~~28,326~~0.5400 Total Deposits 108,~~157~~740,~~905~~109.6018 Withdrawals Swap Payments 094,012.0071 Reserve Funds and Credit Enhancements 0.00 Reimbursement for Servicer Advances 38126,~~006~~323.8000 Total Administration Fees ~~148~~134,~~386~~055.4010 Payment of Interest and Principal 98,~~971~~385,~~512~~718.4037 Total Withdrawals (Pool Distribution Amount) 108,~~157~~740,~~905~~109.6018 Ending Balance 0.00 Servicer Advances are calculated as delinquent scheduled principal and interest.

ADMINISTRATION FEES Gross Servicing Fee* ~~138~~125,~~975~~451.0318 Credit Risk Management Fee - Clayton Fixed Income 32,~~078~~780.4084 Lender Paid Mortgage Insurance* 65,~~332~~823.9708 Supported Prepayment/Curtailment Interest Shortfall 0.00 Total Administration Fees ~~148~~134,~~386~~055.4010 *Servicer Payees include: COUNTRYWIDE HOME LOANS SERVICING LP; RESIDENTIAL FUNDING CORPORATION, LLC

Reserve and Guaranty Funds Account Name Beginning Current Current Ending Balance Withdrawals Deposits Balance Cap Account- Wells Fargo Bank, N.A. 0.00 0.00 0.00 0.00 Reserve Fund- Wells Fargo Bank N.A. 1,000.00 0.00 0.00 1,000.00 Swap Account- Wells Fargo Bank, N.A. 0.00 ~~28,326~~0.5400 ~~28,326~~0.5400 0.00 Hedge Funds Account Name Funds In (A) Funds Out(B) Net Amount(A - B) Cap Payment- Swiss Re Financial Products Corp 0.00 0.00 0.00 Swap Payment- Deutsche Bank AG, New York 1,~~583~~219,~~597~~237.5323 1,~~555~~313,~~270~~249.9994 28(94,~~326~~012.5471)

Collateral Statement Total Collateral Description Mixed ARM Weighted Average Coupon Rate 8.~~174323~~043451 Weighted Average Net Rate 7.~~768017~~637437 Weighted Average Pass-Through Rate 7.~~740502~~609591 Weighted Average Remaining Term ~~367~~362 Principal And Interest Constant 1,~~396~~308,~~236~~425.2813 Beginning Loan Count ~~1,099~~977 Loans Paid in Full 2414 Ending Loan Count ~~1,075~~963 Beginning Scheduled Balance ~~410~~370,~~453~~778,~~676~~819.3569 Ending Scheduled Balance ~~403~~364,~~231~~650,~~051~~317.5186 Actual Ending Collateral Balance ~~401~~363,~~988~~162,~~178~~471.22 Scheduled Principal 0.00 Unscheduled Principal 87,~~622~~305,~~372~~361.7115 Negative Amortized Principal (1,~~399~~176,~~747~~859.8732) Scheduled Interest 2,~~795~~485,~~984~~284.1545 Servicing Fees ~~138~~125,~~975~~451.0318 Master Servicing Fees 0.00 Trustee Fee 0.00 FRY Amount 0.00 Special Hazard Fee 0.00 Other Fee 98,~~411~~603.3792 Pool Insurance Fee 0.00 Spread 1 0.00 Spread 2 0.00 Spread 3 0.00 Net Interest 2,~~647~~351,~~597~~229.7535 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 ~~72,963~~0.2400 Prepayment Penalty Paid Count 60 Special Servicing Fee 0.00

Additional Reporting - Deal Level Miscellaneous Reporting Credit Enhancement Percentage 89.~~935642~~881051% Structural Reporting Three-Month Rolling Delinquency Average 04.~~534342~~392086% Net Monthly Excess Cashflow ~~706~~816,~~255~~574.1377 Overcollateralization Increase Amount 0.00 Overcollateralization Amount 2,856,182.94 Overcollateralization Deficiency Amount 0.00 Overcollateralization Reduction Amount 0.00 Required Overcollateralization Amount 2,856,182.94 Trigger Event Reporting Stepdown Occurred NO Trigger Event Occurred NO Enhancement Delinquency Trigger Trigger Result Pass Threshold Value 3.~~047054~~369438% Calculated Value .~~1034503~~6652936% Cumulative Loss Trigger Trigger Result Pass Threshold Value 0.200000% Calculated Value 0.000000% Trigger Trigger Result Pass

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 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 1223 0 0 0 1223 48,~~548~~294,~~268~~332.4648 0.00 0.00 0.00 48,~~548~~294,~~268~~332.4648 60 Days 314 0 10 0 414 14,~~666~~934,~~622~~763.6453 0.00 ~~396,287~~0.3100 0.00 24,~~062~~934,~~909~~763.9553 90 Days 09 0 01 0 010 03,282,508.0088 0.00 0413,344.0015 0.00 03,695,853.0003 120 Days 32 0 26 0 58 ~~997~~879,~~158~~179.0987 0.00 ~~359~~2,~~451~~075,888.5240 0.00 12,~~356~~955,~~609~~068.6127 150 Days 01 01 03 0 05 0403,416.0007 0506,788.00 01,237,986.0036 0.00 02,148,190.0043 180+ Days 0 0 010 06 016 0.00 0.00 03,767,851.0029 02,286,860.0072 06,054,712.0001 Totals 1849 01 320 06 2176 717,~~212~~794,~~049~~200.1983 0506,788.00 ~~755~~7,~~738~~495,070.8320 02,286,860.0072 728,~~967~~082,~~788~~919.0275 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 12.~~116279~~388370% 0.000000% 0.000000% 0.000000% 12.~~116279~~388370% 12.~~131443~~283918% 0.000000% 0.000000% 0.000000% 12.~~131443~~283918% 60 Days 01.~~279070~~453790% 0.000000% 0.~~093023~~000000% 0.000000% 01.~~372093~~453790% 01.~~414595~~358831% 0.000000% 0.~~098582~~000000% 0.000000% 01.~~513177~~358831% 90 Days 0.~~000000~~934579% 0.000000% 0.~~000000~~103842% 0.000000% 01.~~000000~~038422% 0.~~000000~~903868% 0.000000% 0.~~000000~~113818% 0.000000% 01.~~000000~~017686% 120 Days 0.~~279070~~207684% 0.000000% 0.~~186047~~623053% 0.000000% 0.~~465116~~830737% 0.~~248057~~242090% 0.000000% 0.~~089418~~571614% 0.000000% 0.~~337475~~813704% 150 Days 0.~~000000~~103842% 0.~~000000~~103842% 0.~~000000~~311526% 0.000000% 0.~~000000~~519211% 0.~~000000~~111084% 0.~~000000~~139549% 0.~~000000~~340890% 0.000000% 0.~~000000~~591523% 180+ Days 0.000000% 0.000000% 01.~~000000~~038422% 0.~~000000~~623053% 01.~~000000~~661475% 0.000000% 0.000000% 01.~~000000~~037511% 0.~~000000~~629707% 01.~~000000~~667219% Totals 15.~~674419~~088266% 0.~~000000~~103842% 02.~~279070~~076843% 0.~~000000~~623053% 17.~~953488~~892004% 14.~~794095~~899791% 0.~~000000~~139549% 02.~~188000~~063834% 0.~~000000~~629707% 17.~~982095~~732880%

Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 53153,~~851~~162.5751

~~REO~~180+ ~~Detail~~Delinquency -Summary ~~All~~Summary ~~Mortgage~~Days Number of Outstanding Percentage of Delinquent Loans inActual ~~REO~~Balance(%) ~~during~~Balance($) ~~Current~~180 ~~Period~~- ~~Summary~~209 7 2,487,403.85 0.685 210 - No239 ~~REO~~5 ~~Information~~1,934,484.35 to0.533 240 - 269 2 1,273,372.29 0.351 300 - 329 2 359,451.52 0.099 Total 16 6,054,712.01 1.668 This report ~~this~~includes ~~period~~all loans greater than 180 days delinquent regardless of status (REO, Foreclosure, Bankruptcy).

REO Detail - All Mortgage Loans in REO during Current Period

Summary 12 Month REO ~~Loan~~History* ~~Detail~~New -REO ~~All~~Loans ~~Mortgage~~Month REO Percentage Loans in REO ~~during~~2 Jan-07 0.000% Original Principal Balance 628,000.00 Feb-07 0.000% Current ~~Period~~Actual ~~Month~~Balance ~~Loan~~629,660.39 ~~First~~Mar-07 ~~Original~~0.000% ~~Loan~~Apr-07 ~~Entered~~0.000% ~~Payment~~Current ~~LTV~~REO atTotal ~~Principal~~May-07 ~~Group~~0.000% ~~Number~~Loans in REO ~~Date~~6 ~~State~~Jun-07 ~~Origination~~0.000% Original Principal Balance No2,271,000.00 ~~REO~~Jul-07 ~~Loans~~0.000% ~~this~~Current ~~Period~~Actual Balance 2,286,860.72 Aug-07 0.040% Sep-07 0.145% Oct-07 0.148% Nov-07 0.449% Dec-07 0.630% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com.

REO Loan Detail - All Mortgage Loans in REO during Current Period ~~(continued)~~Month ~~Current~~Loan ~~Paid~~First ~~Current~~Original ~~Approximate~~ Loan ~~Actual~~Entered ToPayment ~~Months~~LTV ~~Loan~~at ~~Delinquent~~Principal Group Number ~~Balance~~REO Date ~~Delinquent~~State ~~Rate~~Origination ~~Interest~~Balance NoSummary ~~REO~~0114262694 ~~Loans~~Aug-2007 ~~this~~01-May-2005 ~~Period~~MN 80.00 148,000.00 Summary 0114262708 Nov-2007 01-Jan-2007 CA 80.00 584,000.00 Summary 0114262775 Dec-2007 01-Jan-2007 CA 72.73 400,000.00 Summary 0114262833 Nov-2007 01-Jan-2007 CA 70.00 511,000.00 Summary 0114262944 Sep-2007 01-Dec-2006 VA 78.90 400,000.00 Summary 0114263156 Dec-2007 01-Nov-2006 NV 80.00 228,000.00

~~Summary~~REO 12Loan ~~Month~~Detail ~~Foreclosure~~- History*All ~~New~~Mortgage ~~Foreclosure~~ Loans ~~Month~~in ~~Foreclosure~~REO ~~Percentage~~during ~~Loans~~Current inPeriod ~~Foreclosure~~(continued) 1Current ~~Jul-06~~Paid ~~0.000%~~Current ~~Original~~Approximate ~~Principal~~Loan ~~Balance~~Actual ~~393,750.00~~To ~~Aug-06~~Months ~~0.000%~~Loan ~~Current~~Delinquent ~~Actual~~Group Number Balance ~~396,287.31~~Date ~~Sep-06~~Delinquent ~~0.000%~~Rate ~~Oct-06~~Interest ~~0.000%~~Summary ~~Current~~0114262694 ~~Foreclosure~~155,468.22 ~~Total Nov~~01-06Dec-2006 010 8.~~000~~375% ~~Loans~~10,526.69 inSummary ~~Foreclosure~~0114262708 3587,076.94 ~~Dec~~01-06Mar-2007 07 8.~~000~~500% ~~Original~~36,149.54 ~~Principal~~Summary ~~Balance~~0114262775 ~~744~~399,~~565~~377.0022 ~~Jan~~01-07Apr-2007 06 8.~~000~~375% ~~Current~~22,635.55 ~~Actual~~Summary ~~Balance~~0114262833 ~~755~~515,~~738~~513.8306 ~~Feb~~01-~~07 0.000%~~ Mar-072007 07 8.~~000~~250% ~~Apr-07 0~~30,535.~~000%~~74 ~~May-07~~Summary 00114262944 399,142.~~088%~~11 ~~Jun~~01-07Mar-2007 07 8.~~188~~625% *The25,068.83 ~~text~~Summary ~~reported~~0114263156 in230,283.17 ~~the~~01-Mar-2007 ~~above~~7 ~~table is presented graphically on the monthly bond remittance report~~7.875% ~~The monthly bond remittance report can be viewed online at www~~13,162.~~ctslink.com.~~74

Foreclosure Detail - All Mortgage Loans in Foreclosure during Current Period

~~Foreclosure~~Summary ~~Loan~~12 ~~Detail~~Month -Foreclosure ~~All~~History* ~~Mortgage~~New Foreclosure Loans inMonth Foreclosure ~~during~~Percentage ~~Current~~Loans ~~Period~~in ~~Month~~Foreclosure ~~Loan~~4 ~~First~~Jan-07 0.000% Original ~~Loan~~Principal ~~Entered~~Balance ~~Payment~~850,450.00 ~~LTV~~Feb-07 at0.000% ~~Principal~~Current ~~Group~~Actual ~~Number~~Balance FC861,225.44 ~~Date~~Mar-07 ~~State~~0.000% ~~Origination~~Apr-07 ~~Balance~~0.000% ~~Summary~~Current ~~0113482508~~Foreclosure Total May-~~2007~~07 ~~01-Sep-2006~~0.088% FLLoans 95in Foreclosure 20 Jun-07 0.00188% ~~202~~Original Principal Balance 7,~~815~~361,242.00 ~~Summary~~Jul-07 ~~0114262694~~0.579% ~~May-2007~~Current ~~01-May-2005~~Actual MNBalance 807,495,070.0020 ~~148,000~~Aug-07 0.00929% ~~Summary~~Sep-07 ~~0114429665~~1.247% ~~Jun~~Oct-~~2007~~07 011.600% Nov-07 1.967% Dec-~~2006~~07 CA2.064% 75*The text reported in the above table is presented graphically on the monthly bond remittance report.00 ~~393,750~~The monthly bond remittance report can be viewed online at www.00ctslink.com.

Foreclosure Loan Detail - All Mortgage Loans in Foreclosure during Current Period ~~(continued)~~Month ~~Current~~Loan ~~Paid~~First ~~Current~~Original ~~Approximate~~ Loan ~~Actual~~Entered ToPayment ~~Months~~LTV ~~Loan~~at ~~Delinquent~~Principal Group Number ~~Balance~~FC Date ~~Delinquent~~State ~~Rate~~Origination ~~Interest~~Balance Summary 0113482113 Oct-2007 01-Apr-2005 CA 80.00 191,440.00 Summary 0113482508 ~~203~~May-2007 01-Sep-2006 FL 95.00 202,~~983~~815.3000 Summary 0114262736 Dec-2007 01-Jan-2007 VA 95.00 375,250.00 Summary 0114262803 Sep-2007 01-Jan-2007 FL 80.00 780,000.00 Summary 0114262874 Sep-2007 01-Jan-2007 MI 95.00 199,500.00 Summary 0114262890 Jul-2007 01-Dec-2006 4CA 875.~~625%~~00 5975,~~643~~000.8800 Summary ~~0114262694~~0114262909 ~~155~~Sep-2007 01-Jan-2007 CA 84.51 198,~~468~~605.2200 Summary 0114262940 Aug-2007 01-Jan-2007 FL 70.00 292,600.00 Summary 0114263096 Dec-2007 01-Dec-2006 4TN 890.~~375%~~00 4157,~~199~~500.6100 Summary ~~0114429665~~0114263103 ~~396~~Oct-2007 01-Dec-2006 CA 90.00 571,~~287~~500.3100 Summary 0114263112 Dec-2007 01-~~Feb~~Dec-2006 NC 90.00 73,800.00 Summary 0114263145 Oct-2007 201-Dec-2006 8FL 80.~~500%~~00 10220,~~637~~560.7600 Summary 0114263190 Dec-2007 01-Dec-2006 FL 90.00 243,900.00 Summary 0114429556 Jul-2007 01-Nov-2006 CA 80.00 284,000.00 Summary 0114429627 Aug-2007 01-Nov-2006 CA 74.07 400,000.00 Summary 0114429643 Sep-2007 01-Dec-2006 CA 80.00 238,400.00 Summary 0114429757 Nov-2007 01-Sep-2006 FL 90.00 495,000.00 Summary 0114429903 Nov-2007 01-Sep-2006 CA 80.00 540,000.00 Summary 0114430033 Nov-2007 01-May-2006 FL 80.00 601,372.00 Summary 0114430099 Nov-2007 01-Dec-2006 CA 80.00 320,000.00

~~Bankruptcy~~Foreclosure Loan Detail - All Mortgage Loans in ~~Bankruptcy~~Foreclosure during Current Period (continued) Current Paid Current Approximate Loan Actual To Months Loan Delinquent Group Number Balance Date Delinquent Rate Interest Summary 0113482113 202,469.07 01-Mar-2007 No7 ~~Bankruptcy~~8.000% ~~Information~~11,661.60 toSummary ~~report~~0113482508 ~~this~~203,983.30 ~~period~~01-Dec-2006 10 8.500% 14,108.95 Summary 0114262736 379,063.06 01-Jun-2007 4 8.375% 16,022.74 Summary 0114262803 789,989.46 01-May-2007 5 8.500% 37,619.04 Summary 0114262874 201,493.61 01-Apr-2007 6 9.375% 11,575.40 Summary 0114262890 986,263.57 01-Feb-2007 8 7.875% 62,937.60 Summary 0114262909 200,449.13 01-May-2007 5 8.375% 9,769.80 Summary 0114262940 296,428.33 01-Apr-2007 6 8.375% 15,836.81 Summary 0114263096 159,683.73 01-Jun-2007 4 7.875% 6,352.02 Summary 0114263103 582,299.69 01-Jun-2007 4 9.000% 24,257.32 Summary 0114263112 74,930.88 01-Jun-2007 4 8.625% 3,231.34 Summary 0114263145 222,931.48 01-Apr-2007 6 8.125% 11,530.47 Summary 0114263190 247,547.77 01-May-2007 5 8.875% 11,479.41 Summary 0114429556 287,108.72 01-Feb-2007 8 8.375% 19,539.31 Summary 0114429627 413,344.15 01-Jul-2007 3 8.500% 14,111.38 Summary 0114429643 241,234.76 01-Apr-2007 6 8.375% 13,078.20 Summary 0114429757 504,233.80 01-Apr-2007 6 8.000% 26,059.75 Summary 0114429903 554,666.73 01-Jun-2007 4 8.000% 21,415.38 Summary 0114430033 621,704.65 01-Apr-2007 6 8.000% 32,169.24 Summary 0114430099 325,244.31 01-Jun-2007 4 8.000% 12,551.20

Bankruptcy Detail - All Mortgage Loans in Bankruptcy during Current Period

Summary 12 Month Bankruptcy ~~Detail~~History* -New ~~All~~Bankruptcy ~~Mortgage~~Loans Month Bankruptcy Percentage Loans in Bankruptcy ~~during~~0 Jan-07 0.000% Original Principal Balance 0.00 Feb-07 0.000% Current ~~Period~~Actual ~~Group~~Balance ~~Loan~~0.00 ~~Month~~Mar-07 ~~Loan~~0.000% ~~First~~Apr-07 ~~State~~0.000% ~~LTV~~Current atBankruptcy ~~Original~~Total ~~Number~~May-07 ~~Entered~~0.000% ~~Payment~~Loans ~~Origination~~in Bankruptcy 1 Jun-07 0.000% Original Principal ~~Bankruptcy~~Balance ~~Date~~499,000.00 Jul-07 0.000% Current Actual Balance No506,788.00 ~~Bankruptcy~~Aug-07 ~~Loans~~0.000% ~~this~~Sep-07 ~~Period~~0.000% Oct-07 0.000% Nov-07 0.204% Dec-07 0.140% *The text reported in the above table is presented graphically on the monthly bond remittance report. The monthly bond remittance report can be viewed online at www.ctslink.com.

Bankruptcy Detail - All Mortgage Loans in Bankruptcy during Current Period ~~(continued)~~ Group Loan ~~Current~~Month ~~Paid~~Loan ToFirst ~~Months~~State ~~Current~~LTV ~~Approximate~~at Original Number ~~Actual~~Entered ~~Date~~Payment ~~Delinquent~~Origination ~~Loan~~Principal ~~Rate~~Bankruptcy ~~Delinquent~~Date Balance ~~Interest~~Summary No0114429612 ~~Bankruptcy~~Nov-2007 ~~Loans~~01-Dec-2006 ~~this~~CA ~~Period~~73.38 499,000.00

Realized Loss Report - Collateral Summary - No Realized Loss Information to report this period. Calculation Methodology: Monthly Default Rate (MDR): ~~sum~~Sum(Beg Scheduled Balance of Liquidated Loans) / ~~sum~~Sum(Beg Scheduled Balance). Conditional Default Rate (CDR): 1-((1-MDR)^12) SDA Standard Default Assumption: If WAS is less than or equal to 30 then CDR / (WAS * 0.02) else if WAS is greater than 30 and less than or equal to 60 then CDR / 0.6 else if WAS is greater than 60 and less than or equal to 120 then CDR / (0.6 - ((WAS - 60) * 0.0095)) else if WAS is greater than 120 then CDR / 0.03 Cumulative Loss Severity: Sum (All Realized Losses) / Sum (~~Ending~~ Actual Liquidated Balance for loans that have experienced a loss). 3 Month Average and 12 Month Average will not have values until the 3rd and 12th month respectively.

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 Total 2414 86,~~036~~815,~~100~~216.0020 87,~~166~~094,~~543~~761.0122 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 Total 0 0.00 0.00 0 0.00 0.00 ~~426~~185,~~473~~094.3444

Prepayment Loan Detail - Prepayments during Current Period First Original Loan LTV at Payment Principal Prepayment Group Number State Origination Date Balance Amount Summary ~~0114262764~~0113482593 CANY 8580.00 01-~~Jan~~Jul-~~2007 435,200.00 437,586.38 Summary 0114262947 CA 47.04 01-Dec-~~2006 ~~334~~1,440,000.00 ~~343~~1,~~019~~527,656.7243 Summary ~~0114262984~~0114262705 CA 6680.00 01-~~Jan~~Feb-2007 ~~330~~292,000.00 ~~336~~294,~~757~~117.2298 Summary ~~0114263006~~0114262776 PATN 6462.1263 01-Jan-2007 ~~193~~182,000.00 ~~194~~189,~~342~~222.2908 Summary ~~0114263010~~0114262777 VA 80.00 01-~~Dec~~Jan-~~2006~~2007 ~~413~~438,~~900~~000.00 ~~418~~446,~~862~~146.8077 Summary ~~0114263013~~0114262804 NCCA 9580.00 01-Jan-2007 ~~258~~620,~~400~~000.00 ~~263~~649,~~086~~790.1017 Summary ~~0114263119~~0114262880 NYNV 80.00 01-Dec-2006 ~~536~~228,000.00 ~~549~~239,~~562~~292.3491 Summary ~~0114263124~~0114262950 NJVA 5948.2654 01-Dec-2006 ~~240~~285,~~000~~900.00 ~~242~~281,~~295~~775.4696 Summary ~~0114263132~~0114262978 RIWA 5290.~~29 01-Nov-2006 183,000.~~00 ~~187,581.95 Summary 0114429569 NJ 88.94~~ 01-~~Nov-2006 293,500.00 299,341.27 Summary 0114429650 CA 72.09 01-Dec-2006 310,000.00 315,995.64 Summary 0114429699 NJ 80.00 01-~~Jan-2007 ~~276~~147,~~000~~850.00 ~~279~~152,~~713~~269.1621 Summary ~~0114429717~~0114263087 MAHI 7065.00 01-~~Jul~~May-2006 ~~444~~1,~~500~~490,645.00 ~~459~~1,~~151~~609,796.2414 Summary ~~0114429722~~0114429803 MDMI 5749.5036 01-~~Aug~~Sep-2006 115,000.00 118,~~172~~084.1517 Summary ~~0114429751~~0114429929 AZCO 7080.00 01-~~Aug~~Sep-2006 ~~161~~564,~~700~~571.0020 ~~166~~594,~~569~~039.8815 Summary ~~0114429864~~0114429989 CA 7065.00 01-~~Oct-2006 385,000.00 379,466.91 Summary 0114429917 FL 79.98 01-Nov-2006 235,300.00 239,981.61 Summary 0114429977 AZ 80.00 01-~~Sep-2006 ~~424~~146,~~000~~250.00 ~~427~~147,~~223~~191.~~26 Summary 0114430050 AZ 54.93 01-Jul-2006 206,000.00 213,303.85 Summary 0114430087 CA 55.79 01-Nov-2006 265,000.00 269,962.95 Summary 0114430088 CA~~ 80~~.00~~ ~~01-Oct-2006 326,600.00 335,005.38~~ Summary ~~0114430147~~0114430130 CA 5049.6840 01-~~Jul~~Dec-2006 ~~375~~205,000.00 ~~388~~212,~~295~~893.8999 Summary ~~0114430153~~0114430133 CAAZ 7073.0046 01-Aug-2006 ~~455~~660,000.00 ~~465~~657,~~229~~989.~~81 Summary 0114430242 CA 80.00 01-Jul-2006 840,000.00 865,392.11~~95

Prepayment Loan Detail - Prepayments during Current Period (continued) Current Loan PIF Months Loan Original Group Number Type Delinquent Rate Term Seasoning Summary ~~0114262764~~0113482593 Loan Paid in Full 0 8.~~625~~500% ~~480 5 Summary 0114262947 Loan Paid in Full 0 8.375%~~ 360 617 Summary ~~0114262984~~0114262705 Loan Paid in Full 0 8.~~625~~500% ~~480 5 Summary 0114263006 Loan Paid in Full 0 8.125%~~ 360 510 Summary ~~0114263010~~0114262776 Loan Paid in Full (1) 8.~~000~~625% 360 611 Summary ~~0114263013~~0114262777 Loan Paid in Full 0 ~~9.950% 480 5 Summary 0114263119 Loan Paid in Full 0~~ 8.~~750~~000% ~~480 6 Summary 0114263124 Loan Paid in Full 0 8.625%~~ 360 611 Summary ~~0114263132~~0114262804 Loan Paid in Full 0 8.500% ~~360 7 Summary 0114429569 Loan Paid in Full 0 8.250%~~ 480 711 Summary ~~0114429650~~0114262880 Loan Paid in Full 0 8.~~625~~375% 360 612 Summary ~~0114429699~~0114262950 Loan Paid in Full 0 87.~~250% 480 5 Summary 0114429717 Loan Paid in Full 0 8.~~125% 360 1112 Summary ~~0114429722~~0114262978 Loan Paid in Full 0 7.~~375~~875% ~~360~~480 1011 Summary ~~0114429751~~0114263087 Loan Paid in Full (1) 8.~~125% 360 10 Summary 0114429864 Loan Paid in Full 0 8.125% 360 8 Summary 0114429917 Loan Paid in Full 0 7.~~625% ~~360~~480 719 Summary ~~0114429977~~0114429803 Loan Paid in Full (1) 8.~~125~~000% 360 915 Summary ~~0114430050~~0114429929 Loan Paid in Full ~~(1)~~9 87.~~125~~750% 360 1115 Summary ~~0114430087~~0114429989 Loan Paid in Full 0 ~~8.125% 360~~ 7 ~~Summary 0114430088 Loan Paid in Full 0 8~~.~~125~~500% 360 815 Summary ~~0114430147~~0114430130 Loan Paid in Full ~~0 8.125% 360 11 Summary 0114430153 Loan Paid in Full~~ (1) 87.~~125~~750% 360 1012 Summary ~~0114430242~~0114430133 Loan Paid in Full 0 7.~~625~~250% 360 1116

Prepayment Penalty Detail - Prepayment Penalty Paid during Current Period Prepayment Prepayment Summary Loan Prior Penalty Penalty Count Balance Amount Waived Total 60 ~~2,270,003~~0.2100 ~~72,963~~0.2400 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 ~~Summary~~No ~~0114429650~~Prepayment ~~05/21/2007~~Penalties ~~314,840.18~~this 10,666.74 0.00 Summary 0114429717 05/04/2007 457,587.05 14,406.50 0.00 Summary 0114429864 05/24/2007 378,144.86 12,424.76 0.00 Summary 0114430087 05/24/2007 268,993.98 8,586.84 0.00 Summary 0114430147 05/21/2007 386,882.52 12,151.20 0.00 Summary 0114430153 05/22/2007 463,554.62 14,727.20 0.00Period

Prepayment Rates

Summary SMM CPR PSA Current Month 21.~~094~~964% Current Month 2221.~~423~~182% Current Month ~~1,422~~764.~~118~~005% 3 Month Average 21.~~398~~937% 3 Month Average 2520.~~174~~921% 3 Month Average ~~1,886~~814.~~994~~249% 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~~Jan-~~2006~~2007 N/A N/A ~~Jul~~Jan-~~2006~~2007 N/A N/A ~~Aug~~Feb-~~2006~~2007 N/A N/A ~~Aug~~Feb-~~2006~~2007 N/A N/A ~~Sep~~Mar-~~2006~~2007 ~~N/A~~27.247% N/A ~~Sep~~Mar-~~2006~~2007 ~~N/A~~2,775.872% N/A ~~Oct~~Apr-~~2006~~2007 ~~N/A~~30.773% N/A ~~Oct~~Apr-~~2006~~2007 ~~N/A~~2,616.860% N/A ~~Nov~~May-~~2006~~2007 ~~N/A~~22.327% N/A ~~Nov~~May-~~2006~~2007 ~~N/A~~1,622.003% N/A ~~Dec~~Jun-~~2006~~2007 ~~N/A~~22.423% N/A ~~Dec~~Jun-~~2006~~2007 ~~N/A~~1,422.118% N/A ~~Jan~~Jul-2007 ~~N/A~~31.601% N/A ~~Jan~~Jul-2007 ~~N/A~~1,780.415% N/A ~~Feb~~Aug-2007 ~~N/A~~13.209% N/A ~~Feb~~Aug-2007 ~~N/A~~669.479% N/A ~~Mar~~Sep-2007 2719.~~247~~665% N/A ~~Mar~~Sep-2007 ~~2,775~~904.~~872~~271% N/A ~~Apr~~Oct-2007 3019.~~773~~864% N/A ~~Apr~~Oct-2007 ~~2,616~~836.~~860~~191% N/A ~~May~~Nov-2007 2221.~~327~~717% N/A ~~May~~Nov-2007 ~~1,622~~842.~~003~~553% N/A ~~Jun~~Dec-2007 2221.~~423~~182% N/A ~~Jun~~Dec-2007 ~~1,422~~764.~~118~~005% 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 Current Number of Outstanding Percentage of Interest Rate Loans Scheduled Balance(%) Range(%) Balance($) < 1.000 0 0.00 0.000 1.000 1.499 0 0.00 0.000 1.500 1.999 0 0.00 0.000 2.000 2.499 0 0.00 0.000 2.500 2.999 0 0.00 0.000 3.000 3.499 0 0.00 0.000 3.500 3.999 0 0.00 0.000 4.000 4.499 0 0.00 0.000 4.500 4.999 0 0.00 0.000 5.000 5.499 0 0.00 0.000 5.500 5.999 0 0.00 0.000 6.000 6.499 0 0.00 0.000 6.500 6.999 0 0.00 0.000 7.000 7.499 3340 1517,~~471~~774,~~567~~168.4010 34.~~837~~874 7.500 7.999 ~~242~~257 99105,~~515~~507,~~599~~135.0502 2428.~~680~~934 8.000 8.499 ~~461~~499 ~~172~~183,~~267~~563,~~439~~901.5105 4250.~~722~~340 8.500 8.999 ~~310~~147 ~~107~~52,~~599~~126,~~497~~377.5500 2614.~~684~~295 9.000 9.499 1918 5,~~995~~373,~~852~~064.8221 1.~~487~~473 9.500 9.999 10 2 305,~~381,095~~672.1848 0.~~591~~084 10.000 10.499 0 0.00 0.000 10.500 10.999 0 0.00 0.000 >= 11.000 0 0.00 0.000 Total ~~1,075~~963 ~~403~~364,~~231~~650,~~051~~317.5186 100.000

Filing Compare · DEUTSCHE ALT-A SECURITIES MORTGAGE LOAN TRUST, SERIES 2007-OA1