ARMOUR Residential REIT, Inc. Announces Stock Repurchase Authorization

ARMOUR Residential REIT, Inc. Announces Stock Repurchase Authorization

VERO BEACH, Fla., Dec. 17, 2012 (GLOBE NEWSWIRE) -- ARMOUR Residential REIT,
Inc. (NYSE:ARR and ARR PrA) (NYSE MKT: ARR.WS) ("ARMOUR" or the "Company")
announced today that its Board of Directors has authorized the Company to
repurchase up to $100 million of its outstanding shares of common stock.
Shares may be purchased in the open market, including block trades, through
privately negotiated transactions, or pursuant to a trading plan separately
adopted in the future. The timing, manner, price and amount of any repurchases
will be at the discretion of the Company, subject to the requirements of the
Securities Exchange Act of 1934 and related rules. The program does not oblige
the Company to repurchase any shares and it may be modified, suspended or
terminated at any time and for any reason. The Company does not intend to
purchase shares from its directors, officers or other affiliates.

ARMOUR Residential REIT, Inc.

ARMOUR is a Maryland corporation that invests primarily in hybrid adjustable
rate, adjustable rate and fixed rate residential mortgage-backed securities
("RMBS") issued or guaranteed by U.S. Government-sponsored entities. ARMOUR is
externally managed and advised by ARMOUR Residential Management LLC ("ARRM").
ARMOUR Residential REIT, Inc. has elected to be taxed as a real estate
investment trust ("REIT") for U.S. federal income tax purposes, commencing
with ARMOUR's taxable year ended December 31, 2009.

Safe Harbor

This press release includes "forward-looking statements" within the meaning of
the safe harbor provisions of the United States Private Securities Litigation
Reform Act of 1995. Actual results may differ from expectations, estimates and
projections and, consequently, you should not rely on these forward-looking
statements as predictions of future events. Words such as "expect,"
"estimate," "project," "budget," "forecast," "anticipate," "intend," "plan,"
"may," "will," "could," "should," "believes," "predicts," "potential,"
"continue," and similar expressions are intended to identify such
forward-looking statements. These forward-looking statements involve
significant risks and uncertainties that could cause the actual results to
differ materially from the expected results.

Additional Information and Where to Find It

Investors, security holders and other interested persons may find additional
information regarding the Company at the SEC's Internet site at, or the Company website or by directing
requests to: ARMOUR Residential REIT, Inc., 3001 Ocean Drive, Suite 201, Vero
Beach, Florida 32963, Attention: Investor Relations.

CONTACT: Investor Contact:
         James R. Mountain
         Chief Financial Officer
         ARMOUR Residential REIT, Inc.
         (772) 617-4340
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