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Exhibit 99.1

EXECUTION COPY

CWALT, INC.,

Depositor

DEUTSCHE BANK SECURITIES INC.,

Underlying Certificate Seller

and

THE BANK OF NEW YORK,

Trustee, Securities Intermediary and Bank

_______________________________

TRUST AGREEMENT

Dated as of November 26, 2007

_______________________________

CWALT, Inc.

Alternative Loan Trust Resecuritization 2007-26R

Resecuritization Pass-Through Certificates, Series 2007-26R

TABLE OF CONTENTS

Page

ARTICLE I DEFINITIONS			10

	Section 1.01	Defined Terms.	10

	Section 1.02	Certain Interpretive Principles.	26

ARTICLE II CONVEYANCE OF THE DEPOSITED UNDERLYING CERTIFICATES; ORIGINAL ISSUANCE OF CERTIFICATES			27

	Section 2.01	Conveyance of the Deposited Underlying Certificates.	27

	Section 2.02	Acceptance by Trustee.	28

	Section 2.03	Representations and Warranties of the Underlying Certificate Seller.	28

	Section 2.04	Representations and Warranties of the Depositor.	30

	Section 2.05	Issuance of Certificates	32

	Section 2.06	REMIC Matters..	32

	Section 2.07	Presentation for Transfer..	32

ARTICLE III ADMINISTRATION OF THE TRUST FUND; PAYMENTS AND REPORTS TO CERTIFICATEHOLDERS			33

	Section 3.01	Defaults by the Underlying Trust.	33

	Section 3.02	Distribution Account and Securities Account..	33

	Section 3.03	Permitted Withdrawals From the Distribution Account.	34

	Section 3.04	Distributions.	35

	Section 3.05	[Reserved.]	36

	Section 3.06	Allocation of Realized Losses.	36

	Section 3.07	Determination of Pass-Through Rates for LIBOR Certificates.	36

	Section 3.08	Monthly Statements to Certificateholders.	38

	Section 3.09	Reports of the Trustee; Distribution Account.	39

	Section 3.10	Access to Certain Documentation and Information.	39

	Section 3.11	Annual Statement as to Compliance.	39

ARTICLE IV THE CERTIFICATES			40

	Section 4.01	The Certificates.	40

	Section 4.02	Certificate Register; Registration of Transfer and Exchange of Certificates.	40

	Section 4.03	Mutilated, Destroyed, Lost or Stolen Certificates.	44

	Section 4.04	Persons Deemed Owners.	45

	Section 4.05	Access to List of Certificateholders? Names and Addresses.	45

	Section 4.06	Maintenance of Office or Agency.	45

	Section 4.07	Depositable and Exchangeable Certificates.	45

ARTICLE V CONCERNING THE TRUSTEE			48

	Section 5.01	Duties of Trustee.	48

	Section 5.02	Certain Matters Affecting the Trustee.	48

	Section 5.03	Trustee Not Liable for Certificates or Deposited Underlying Certificates.	50

	Section 5.04	Trustee May Own Certificates.	50

	Section 5.05	Trustee?s Fees and Expenses.	50

	Section 5.06	Indemnification of the Trustee.	50

	Section 5.07	Eligibility Requirements for Trustee.	50

	Section 5.08	Resignation and Removal of Trustee.	51

	Section 5.09	Successor Trustee.	52

	Section 5.10	Merger or Consolidation of Trustee.	52

	Section 5.11	Appointment of Co-Trustee or Separate Trustee.	53

	Section 5.12	Tax Matters.	54

ARTICLE VI THE DEPOSITOR			57

	Section 6.01	Liability of the Depositor.	57

	Section 6.02	Merger, Consolidation or Conversion of the Depositor.	57

	Section 6.03	Limitation on Liability of the Depositor and Others.	57

ARTICLE VII TERMINATION			58

	Section 7.01	Termination.	58

	Section 7.02	Final Distribution on the Certificates.	58

	Section 7.03	Additional Termination Requirements.	59

ARTICLE VIII MISCELLANEOUS PROVISIONS			61

	Section 8.01	Amendment.	61

	Section 8.02	Action Under and Conflicts With the Underlying Agreement.	62

	Section 8.03	Recordation of Agreement.	63

	Section 8.04	Certain REMIC Matters.	63

	Section 8.05	Limitation on Rights of Certificateholders.	63

	Section 8.06	Governing Law.	64

	Section 8.07

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