ABOUT AMERICAN CAPITAL MORTGAGE INVESTMENT CORP.American Capital Mortgage Investment Corp. is a real estate investment trust formed in 2011 that invests in and manages a leveraged portfolio of agency mortgage investments, non-agency mortgage investments and other mortgage-related investments. The Company is externally managed and advised by American Capital MTGE Management, LLC, an affiliate of American Capital, Ltd. ("American Capital").ABOUT AMERICAN CAPITALAmerican Capital is a publicly traded private equity firm and global asset manager. American Capital, both directly and through its asset management business, originates, underwrites and manages investments in middle market private equity, leveraged finance, real estate and structured products. Founded in 1986, American Capital has $101 billion in assets under management and seven offices in the U.S. and Europe. American Capital and its affiliates will consider investment opportunities from $10 million to $500 million. FORWARD-LOOKING STATEMENTS This press release contains statements that constitute "forward-looking statements," including with regard to the Company's securities offering and the anticipated use of the net proceeds. These statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. No assurance can be given that the securities offering discussed above will be completed on the terms described, or at all, or that the net proceeds of the offering will be used as indicated. Completion of the securities offering on the terms described, and the application of net proceeds, are subject to numerous conditions, many of which are beyond the control of the Company, including, without limitation, changes in interest rates; changes in the yield curve; changes in prepayment rates; the availability and terms of financing; changes in the market value of our assets; general economic conditions; market conditions; conditions in the market for agency securities; legislative and regulatory changes that could adversely affect the business of the Company; and other factors, including those set forth in the Risk Factors section of the Company's periodic reports and other documents filed with the Securities and Exchange Commission ("SEC"). Copies are available on the SEC's website, www.sec.gov. The Company undertakes no obligation to update these statements for revisions or changes after the date of this release. CONTACT:Investor Relations – (301) 968-9220 SOURCE American Capital Mortgage Investment Corp.