American Capital Agency to Participate in the 2011 RBC Capital Markets' Financial Institutions Conference

April 28, 2011

BETHESDA, Md., April 28, 2011 /PRNewswire via COMTEX/ -- American Capital Agency Corp. (Nasdaq: AGNC) ("AGNC" or the "Company") announced its participation in the RBC Capital Markets' Financial Institutions Conference to be held on Thursday, May 5, 2011 in Boston, MA. The conference will include a panel starting at 3pm ET that will include Gary Kain, President and Chief Investment Officer. The panel discussion will be webcast live and archived for 90 days on the AGNC website at http://ir.agnc.com/.

For further information or questions, please contact Investor Relations at (301) 968-9300 or [email protected].

ABOUT AMERICAN CAPITAL AGENCY CORP.

American Capital Agency Corp. 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 more than $20 billion in assets under management and eight offices in the U.S., Europe and Asia. American Capital and its affiliates will consider investment opportunities from $10 million to $300 million. For further information, please refer to http://www.americancapital.com/.

CONTACT:

Investors - (301) 968-9300

SOURCE: American Capital Agency Corp.