Item 7.01 Regulation FD Disclosure.

On October 20, 2009, Arlington Asset Investment Corp., a Virginia corporation (the "Company"), issued a press release announcing that the Company and one of its wholly owned subsidiaries, FBR Securities Investment HY, LLC, plan to offer 12,830,450 shares of common stock of FBR Capital Markets Corporation ("FBR Capital Markets") in an underwritten public offering, subject to the offering underwriters' 30-day option to purchase up to an additional 1,924,567 shares of FBR Capital Markets' common stock from FBR Securities Investment HY, LLC to cover overallotments, if any.

The information in Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1 furnished pursuant to Item 9.01, shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities under that Section. Furthermore, the information in Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1 furnished pursuant to Item 9.01, shall not be deemed to be incorporated by reference into the filings of the Company under the Securities Act of 1933, as amended.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

99.1 Press Release issued by the Company on October 20, 2009.

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