Exhibit 99.15a EXECUTION COPY ASSIGNMENT, ASSUMPTION AND RECOGNITION AGREEMENT THIS ASSIGNMENT AND ASSUMPTION AGREEMENT (this "Assignment"), dated as of January 1, 2007, among Morgan Stanley Mortgage Capital Inc. ("MSMCI" or the "Purchaser"), GMAC...Assignment and Assumption Agreement • February 16th, 2007 • Morgan Stanley Mortgage Loan Trust 2007-2ax • Asset-backed securities • New York
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MORGAN STANLEY CAPITAL I INC. MORTGAGE PASS-THROUGH CERTIFICATES Series 2007-2AX UNDERWRITING AGREEMENT New York, New York January 24, 2007 Morgan Stanley & Co. Incorporated 1585 Broadway New York, New York 10036 Dear Sirs and Madams: Morgan Stanley...Underwriting Agreement • February 16th, 2007 • Morgan Stanley Mortgage Loan Trust 2007-2ax • Asset-backed securities • New York
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SERVICING AGREEMENT between MORGAN STANLEY MORTGAGE CAPITAL INC. Purchaser and INDYMAC BANK, F.S.B. ServicerServicing Agreement • February 16th, 2007 • Morgan Stanley Mortgage Loan Trust 2007-2ax • Asset-backed securities • New York
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RECITALSAssignment, Assumption and Recognition Agreement • February 16th, 2007 • Morgan Stanley Mortgage Loan Trust 2007-2ax • Asset-backed securities • New York
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MORGAN STANLEY CAPITAL I INC. DepositorPooling and Servicing Agreement • February 16th, 2007 • Morgan Stanley Mortgage Loan Trust 2007-2ax • Asset-backed securities • New York
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Date: January 31, 2007 To: Morgan Stanley Mortgage Loan Trust 2007-2AX From: Morgan Stanley Capital Services Inc. Attn: Wells Fargo Bank, National Association Contact: Kelvin Borre 9062 Old Annapolis Road Columbia, MD 21045 Attention: Client Manager,...Swap Transaction Confirmation • February 16th, 2007 • Morgan Stanley Mortgage Loan Trust 2007-2ax • Asset-backed securities
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Conventional, Fixed and Adjustable Rate Residential Mortgage LoansMortgage Loan Purchase and Warranties Agreement • February 16th, 2007 • Morgan Stanley Mortgage Loan Trust 2007-2ax • Asset-backed securities • New York
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and MORGAN STANLEY MORTGAGE CAPITAL INC., as PurchaserMortgage Loan Sale and Servicing Agreement • February 16th, 2007 • Morgan Stanley Mortgage Loan Trust 2007-2ax • Asset-backed securities • New York
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WITNESSETHRegulation Ab Compliance Addendum • February 16th, 2007 • Morgan Stanley Mortgage Loan Trust 2007-2ax • Asset-backed securities
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MORGAN STANLEY MORTGAGE CAPITAL INC. Purchaser,Seller's Purchase, Warranties and Servicing Agreement • February 16th, 2007 • Morgan Stanley Mortgage Loan Trust 2007-2ax • Asset-backed securities • New York
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EXECUTION COPY ASSIGNMENT AND RECOGNITION AGREEMENT THIS ASSIGNMENT AND RECOGNITION AGREEMENT (this "Agreement"), dated as of January 1, 2007, is entered into among Morgan Stanley Capital I Inc., a Delaware corporation (the "Assignee"), Morgan Stanley...Assignment and Recognition Agreement • February 16th, 2007 • Morgan Stanley Mortgage Loan Trust 2007-2ax • Asset-backed securities • New York
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MORGAN STANLEY MORTGAGE CAPITAL INC., Purchaser and WACHOVIA MORTGAGE CORPORATION, SELLERSeller's Purchase, Warranties and Interim Servicing Agreement • February 16th, 2007 • Morgan Stanley Mortgage Loan Trust 2007-2ax • Asset-backed securities • New York
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