Press Release

BETHESDA, Md., Aug 03, 2010 /PRNewswire via COMTEX/ -- American Capital Agency Corp. (Nasdaq: AGNC) announced today that Christopher Kuehl will be joining American Capital Agency Management, LLC, as Head of Mortgage Investments, reporting to Gary Kain, President of American Capital Agency Management and Chief Investment Officer of AGNC. American Capital Agency Management is the external manager of AGNC.

Mr. Kuehl most recently served as Vice President, Head of Agency and Non-Agency Mortgage Investments of Freddie Mac, where he led the development and execution of Freddie Mac's investment strategies for its $700 billion retained portfolio. In this capacity, Mr. Kuehl was responsible for directing Freddie Mac's purchases, sales and structuring activities for all agency mortgage products, including fixed-rate mortgages, ARMs and CMOs. Mr. Kuehl previously served Freddie Mac as Vice President, Head of the Agency Mortgage Investment Desk, and Senior Director, Head of the Agency REMIC Desk.

"Chris brings a wealth of experience to AGNC, having spent more than 10 years at one of the world's largest mortgage investors," said Mr. Kain. "Asset selection is absolutely critical to our success and I can't think of a person in the industry that I would rather have joining the AGNC management team."

ABOUT AGNC

AGNC is a REIT that invests in agency pass-through securities and collateralized mortgage obligations for which the principal and interest payments are guaranteed by a U.S. Government agency or a U.S. Government-sponsored entity. The Company is externally managed and advised by American Capital Agency Management, LLC, an affiliate of American Capital, Ltd. ("American Capital"). For further information, please refer to http://www.agnc.com/.

ABOUT AMERICAN CAPITAL

American 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 $14 billion in capital resources under management and eight offices in the U.S., Europe and Asia. American Capital and its affiliates will consider investment opportunities from $5 million to $100 million. For further information, please refer to http://www.americancapital.com/.

FORWARD-LOOKING STATEMENTS

This press release contains forward-looking statements. Forward-looking statements are based on estimates, projections, beliefs and assumptions of management of the Company at the time of such statements and are not guarantees of future performance. Forward-looking statements involve risks and uncertainties in predicting future results and conditions. Actual results could differ materially from those projected in these forward-looking statements due to a variety of factors, 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, and legislative and regulatory changes that could adversely affect the business of the Company. Certain factors that could cause actual results to differ materially from those contained in the forward-looking statements, are included in the Company's periodic reports filed with the Securities and Exchange Commission ("SEC"). Copies are available on the SEC's website, www.sec.gov. The Company disclaims any obligation to update or revise any forward-looking statements based on the occurrence of future events, the receipt or new information, or otherwise.

CONTACT:
Investors - (301) 968-9300
Media - (301) 968-9400

SOURCE: American Capital Agency Corp.