UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of Earliest Event Reported):		September 6, 2007

MFA MORTGAGE INVESTMENTS, INC.

(Exact Name of Registrant as Specified in Charter)

Maryland		1-13991		13-3974868
(State or Other Jurisdiction of Incorporation)		(Commission File No.)		(IRS Employer Identification No.)

(Address of Principal Executive Office) (Zip Code)

Registrant’s Telephone Number, Including Area Code:		(212) 207-6400

Not Applicable

(Former name or former address, if changed since last report)

     Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the Registrant under any of the following provisions:

     o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

     o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

     o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

     o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

 

ITEM 1.01. ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT.

     On September 6, 2007, MFA Mortgage Investments, Inc. (the “Company”) entered into an underwriting agreement (the “Underwriting Agreement”) with UBS Securities LLC, Deutsche Bank Securities Inc., JMP Securities LLC and Bear, Stearns & Co. Inc. (collectively, the “Underwriters”) relating to the sale of 11,000,000 shares of the Company’s common stock, par value $0.01 per share (the “Common Stock”), and the granting to the Underwriters of an option to purchase up to an additional 1,650,000 shares of Common Stock to cover over-allotments that may occur during the offering process (the “Offering”). A copy of the Underwriting Agreement is attached as an exhibit hereto.

ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS.

	(c)		Exhibits.
	1.1		Underwriting Agreement, dated September 6, 2007, between the Company and the Underwriters.

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 hereunto duly authorized.

Date: September 7, 2007