Anworth Mortgage Asset Corporation (NYSE: ANH) announced today that, in accordance with the terms of Anworth’s 6.25% Series B Cumulative Convertible Preferred Stock, or Series B Preferred Stock, the conversion rate of the Series B Preferred Stock will increase from 3.8695 shares of Anworth’s common stock to 3.9202 shares of its common stock effective July 9, 2013. As previously announced on June 28, 2013, Anworth’s board of directors declared a quarterly common stock dividend of $0.15 per share, which is payable on July 29, 2013 to holders of record of common stock as of the close of business on July 8, 2013. When Anworth pays a cash dividend during any quarterly fiscal period to its common stockholders in an amount that results in an annualized common stock dividend yield greater than 6.25% (the dividend yield on the Series B Preferred Stock), the conversion rate on the Series B Preferred Stock is adjusted based on a formula specified in the Articles Supplementary Establishing and Fixing the Rights and Preferences of the Series B Preferred Stock (and also available on the “Series B Pfd. Stock Conversion” page of Anworth’s web site at http://www.anworth.com). As a result of this dividend, the conversion rate will increase from 3.8695 shares of Anworth’s common stock to 3.9202 shares of its common stock effective July 9, 2013. About Anworth Mortgage Asset Corporation Anworth is an externally-managed mortgage real estate investment trust. We invest primarily in securities guaranteed by the U.S. Government, such as Ginnie Mae, or guaranteed by federally sponsored enterprises, such as Fannie Mae or Freddie Mac. We seek to generate income for distribution to our shareholders primarily based on the difference between the yield on our mortgage assets and the cost of our borrowings. We are managed by Anworth Management, LLC, or the Manager, pursuant a management agreement. The Manager is subject to the supervision and direction of our Board of Directors and is responsible for (i) the selection, purchase and sale of our investment portfolio; (ii) our financing and hedging activities; and (iii) providing us with management services and other services and activities relating to our assets and operations as may be appropriate. Our common stock is traded on the New York Stock Exchange under the symbol “ANH.” Anworth is a component of the Russell 2000® Index.