American Capital Mortgage Investment Corp. Adds Two Members To Its Board of Directors

 American Capital Mortgage Investment Corp. Adds Two Members To Its Board of
                                  Directors

PR Newswire

BETHESDA, Md., Feb. 7, 2013

BETHESDA, Md., Feb. 7, 2013 /PRNewswire/ -- American Capital Mortgage
Investment Corp. (Nasdaq: MTGE) ("MTGE" or the "Company") announced that at a
meeting today, the Company's Board of Directors voted to increase the size of
the Board by two and elected Prue B. Larocca and Samuel A. Flax to the new
positions.

"We are very excited to have Prue and Sam join our Board of Directors," said
Malon Wilkus, Chair and Chief Executive Officer of MTGE. "Both of these
Directors bring a wealth of insight and experience, which will be invaluable
to our Board, and I expect that they will play an integral role in guiding
MTGE in the years ahead."

Ms. Larocca retired in 2011 from Royal Bank of Scotland (RBS), where from 1997
until her retirement, she was a Managing Director in the firm's Mortgage
Backed and Asset Backed Finance Group. She is a widely recognized expert in
the areas of housing finance and securitization and is a member of the board
of the Housing Preservation Foundation as well as having previously served two
terms on the board of the American Securitization Trade Association. Prior to
joining RBS, Ms. Larocca was a Senior Vice President at Lehman Brothers in the
mortgage finance business, managed the consumer and single family
securitization business for the Resolution Trust Corporation, practiced law
with the firms of Milbank, Tweed, Hadley and McCloy as well as Kutak Rock.
She is a graduate of the Georgetown University Law Center and Indiana
University.

Mr. Flax has served as Executive Vice President and Secretary of the Company
and its manager, American Capital MTGE Management, LLC, since their formation
in 2011. Mr. Flax is also the Executive Vice President and Secretary and a
member of the Board of Directors of American Capital Agency Corp. Also, he
has served as Executive Vice President, General Counsel, Chief Compliance
Officer and Secretary of American Capital, Ltd. since 2005. Prior to joining
American Capital, Ltd., Mr. Flax was a partner in the corporate and securities
practice group of the Washington, D.C. law firm of Arnold & Porter LLP from
1990 to 2005, where he was American Capital's principal outside counsel.

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"). For further information please refer to
www.MTGE.com

ABOUT AMERICAN CAPITAL
American Capital (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 and structured
products. American Capital manages $18.6 billion of assets, including assets
on its balance sheet and fee earning assets under management by affiliated
managers, with $118 billion of total assets under management (including
levered assets). American Capital, through a wholly-owned portfolio company,
manages publicly traded American Capital Agency Corp. (Nasdaq: AGNC) with
approximately $10 billion market capitalization and American Capital Mortgage
Investment Corp. (Nasdaq: MTGE) with approximately $850 million market
capitalization. From its eight offices in the U.S. and Europe, American
Capital and its affiliate, European Capital, will consider investment
opportunities from $10 million to $750 million. For further information,
please refer to www.AmericanCapital.com.

CONTACT:
Investor Relations – (301) 968-9220

SOURCE American Capital Mortgage Investment Corp.

Website: http://www.MTGE.com