ARR ARMOUR Residential REIT Inc New

ARMOUR Residential REIT, Inc. (NYSE: ARR and ARR-PRC) (“ARMOUR” or the “Company”) today announced that as of February 29, 2024, the Company estimated that book value per common share was between $20.96 and $21.06.

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 or guaranteed by the Government National Mortgage Association. 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 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.

Contact:

Investors:

Investors@armourreit.comJeffrey J. Zimmer / Scott J. UlmARMOUR Residential REIT, Inc.(772) 617-4340

Media:

Meaghan Repko/Mahmoud Siddig/Tim RagonesJoele Frank, Wilkinson Brimmer Katcher(212) 355-4449