Qualified Institutional Buyers as defined in Rule 144A. It is aware that the sale of the Privately Offered Certificates is being made in reliance on its continued compliance with Rule 144A. It is aware that the transferor may rely on the exemption from the provisions of Section 5 of the Act provided by Rule 144A. The undersigned understands that the Privately Offered Certificates may be resold, pledged or transferred only to (i) a person reasonably believed to be a Qualified Institutional Buyer that purchases for its own account or for the account of a Qualified Institutional Buyer to whom notice is given that the resale, pledge or transfer is being made in reliance in Rule 144A, or (ii) an institutional "accredited investor," as such term is defined under Rule 501(a) of the Act, in a transaction that otherwise does not constitute a public offering. The undersigned agrees that if at some future time it wishes to dispose of or exchange any of the Privately Offered Certificates, it will not transfer or exchange any of the Privately Offered Certificates to a Qualified Institutional Buyer without first obtaining a Rule 144A and Related Matters Certificate in the form hereof from the transferee and delivering such certificate to the addressees hereof. Prior to making any transfer of Privately Offered Certificates, if the proposed transferee is an institutional "accredited investor," the transferor shall obtain from the transferee and deliver to the addressees hereof an Investment Letter in the form attached as Exhibit F-1 to the Pooling and Servicing Agreement, dated as of April 1, 2004, among Structured Asset Mortgage Investments II Inc., EMC Mortgage Corporation, Wells Fargo Bank, Xxxxonal Association and JPMorgan Chase Bank, as Trustee, pursuant to Certificates were issued. The undersigned certifies that it either: (i) is not acquiring the Privately Offered Certificate directly or indirectly by, or on behalf of, an employee benefit plan or other retirement arrangement which is subject to Title I of the Employee Retirement Income Security Act of 1974, as amended, and/or Section 4975 of the Internal Revenue Code of 1986, as amended, or (ii) is providing a representation or an opinion of counsel to the effect that the proposed transfer and/or holding of a Privately Offered Certificate and the servicing, management and/or operation of the Trust and its assets: (I) will not result in any prohibited transaction unless it is covered under an individual or class prohibited transaction exemption, including, but not limited to, Class Prohibited Transaction Exemption ("PTCE") 84-14, PTCE 91-38, PTCE 00-0, XXXX 00-00, XXXX 00-03 or Section 401(c) of ERISA and the regulations to be promulgated thereunder; (II) will not constitute or result in the assets of the Trust being deemed to be "plan assets" subject to the prohibited transaction provisions of ERISA or Section 4975 of the Code; and (III) will not give rise to any additional fiduciary duties on the part of the Depositor, the Master Servicer, the Certificate Registrar, the Securities Administrator, any Servicer or the Trustee. If the Purchaser proposes that its Certificates be registered in the name of a nominee on its behalf, the Purchaser has identified such nominee below, and has caused such nominee to complete the Nominee Acknowledgment at the end of this letter. Name of Nominee (if any):