ARMOUR RESIDENTIAL REIT, INC.

ANNOUNCES EXPECTED OCTOBER 2016 DIVIDEND RATE PER COMMON SHARE

VERO BEACH, Florida – September 26, 2016 – ARMOUR Residential REIT, Inc. (NYSE: ARR, ARR PrA and ARR PrB) (“ARMOUR” or the “Company”) today announced the October 2016 expected cash dividend rate for the Company's Common Stock.

Expected October 2016 Common Stock Dividend Information

Month	Dividend	Holder of Record Date	Payment Date
October 2016	$0.22	October 14, 2016	October 27, 2016

Certain Tax Matters

ARMOUR has elected to be taxed as a real estate investment trust (“REIT”) for U.S. Federal income tax purposes. In order to maintain this tax status, ARMOUR is required to timely distribute substantially all of its ordinary REIT taxable income. Accordingly, ARMOUR may increase the amount of one or more announced dividends before the applicable record date or may declare supplemental dividends, if necessary to meet this tax requirement. Dividends paid in excess of REIT taxable income for a fiscal year (including any taxable income carried forward from the previous year) will generally not be taxable to stockholders.

About ARMOUR Residential REIT, Inc.

ARMOUR invests primarily in fixed rate residential, adjustable rate and hybrid adjustable rate residential mortgage-backed securities issued or guaranteed by U.S. Government-sponsored enterprises (“GSEs”), or guaranteed by the Government National Mortgage Association. In addition, ARMOUR invests in other securities backed by residential mortgages for which the payment of principal and interest is not guaranteed by a GSE or government agency. ARMOUR is externally managed and advised by ARMOUR Capital Management LP, an investment advisor registered with the Securities and Exchange Commission (“SEC”).

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. The Company disclaims any obligation to release publicly any updates or revisions to any

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ARMOUR Residential REIT, Inc. Announces Expected October 2016 Dividend Rate Per Common Share

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September 26, 2016

forward-looking statement to reflect any change in its expectations or any change in events, conditions or circumstances on which any such statement is based, except as required by law.

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 www.sec.gov, or the Company website at www.armourreit.com, or by directing requests to: ARMOUR Residential REIT, Inc., 3001 Ocean Drive, Suite 201, Vero Beach, Florida 32963, Attention: Investor Relations.

Investor Contact:    

James R. Mountain

Chief Financial Officer

ARMOUR Residential REIT, Inc.

(772) 617-4340

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