Dynex Capital, Inc. (NYSE: DX) announced today that it has agreed to sell 12,500,000 shares of its common stock in an underwritten public offering. Credit Suisse Securities (USA) LLC, BofA Merrill Lynch and JMP Securities are acting as joint book-running managers for the offering. The Company has granted the underwriters an option for 30 days to purchase up to an additional 1,875,000 shares of the Company's common stock.

The Company intends to use the net proceeds from this offering to acquire additional investments, consistent with its investment policy, and for general corporate purposes, which may include, among other things, repayment of maturing obligations, capital expenditures and working capital.

The offering is being made pursuant to an effective shelf registration statement. The offering of these securities may be made only by means of a prospectus and a related prospectus supplement, a copy of which may be obtained by contacting Credit Suisse Securities (USA) LLC, One Madison Avenue, New York, NY 10010, Attn: Prospectus Department or email newyork.prospectus@credit-suisse.com or telephone (800) 221-1037 (toll-free), BofA Merrill Lynch, 4 World Financial Center, New York, NY 10080 Attn: Prospectus Department, or e-mail dg.prospectus_requests@baml.com or JMP Securities LLC, 600 Montgomery Street, 10th Floor, San Francisco, CA 94111, Attn: Prospectus Department, or telephone (415) 835-8985.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy any securities nor shall there be any sale of these securities in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state.

Dynex Capital, Inc. is an internally managed real estate investment trust, or REIT, which invests in mortgage assets on a leveraged basis. The Company invests in Agency and non-Agency RMBS and CMBS. The Company also has investments in securitized single-family residential and commercial mortgage loans originated by the Company from 1992 to 1998.

Note: This release contains "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. The words "believe," "expect," "forecast," "anticipate," "estimate," "project," "plan," and similar expressions identify forward-looking statements that are inherently subject to risks and uncertainties, some of which cannot be predicted or quantified. Forward-looking statements in this release include, without limitation, statements regarding intentions to offer shares of common stock and our future investment strategies. The Company's actual results and timing of certain events could differ materially from those projected in or contemplated by the forward-looking statements as a result of unforeseen external factors. These factors may include, but are not limited to, changes in general economic and market conditions, including the ongoing volatility in the credit markets which impacts asset prices and the cost and availability of financing, defaults by borrowers, availability of suitable reinvestment opportunities, variability in investment portfolio cash flows, fluctuations in interest rates, fluctuations in property capitalization rates and values of commercial real estate, defaults by third-party servicers, prepayments of investment portfolio assets, other general competitive factors, uncertainty around government policy, the impact of regulatory changes, including the Emergency Economic Stabilization Act of 2008 and the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010, the full impacts of which are unknown at this time, and the impact of Section 404 of the Sarbanes-Oxley Act of 2002. For additional information on risk factors that could affect the Company's forward-looking statements, see the Company's Annual Report on Form 10-K for the year ended December 31, 2010, and other reports filed with and furnished to the Securities and Exchange Commission.

Dynex Capital, Inc.
Alison Griffin, 804-217-5897