American Capital Mortgage Investment Corp. Declares Third Quarter Dividend on Its Series A Preferred Stock

BETHESDA, Md., Sept. 17, 2015

For further information or questions, please contact the Investor Relations Department at (301) 968-9220 or IR@MTGE.com.

ABOUT AMERICAN CAPITAL MORTGAGE INVESTMENT CORP.

American Capital Mortgage Investment Corp. is a real estate investment trust 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").  For further information please refer to www.MTGE.com.

ABOUT AMERICAN CAPITAL

American Capital, Ltd. (Nasdaq: ACAS) 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, energy & infrastructure and structured products.  American Capital manages $23 billion of assets, including assets on its balance sheet and fee earning assets under management by affiliated managers, with $81 billion of total assets under management (including levered assets).  Through a wholly-owned affiliate, American Capital manages publicly traded American Capital Agency Corp. (Nasdaq: AGNC), American Capital Mortgage Investment Corp. (Nasdaq: MTGE) and American Capital Senior Floating, Ltd. (Nasdaq: ACSF) with approximately $11 billion of total net book value.  From its eight offices in the U.S., Europe and Asia, American Capital and its wholly-owned affiliate, European Capital, will consider investment opportunities from $10 million to $600 million.  For further information, please refer to www.AmericanCapital.com.

CONTACT:
Investor Relations – (301) 968-9220