Dynex Capital Appoints Michael Sartori CFO, Effective Immediately, Succeeding Robert Colligan

Dynex Capital, Inc. (the "Company") (NYSE:DX), a REIT with a long track record of generating dividends from high-quality mortgage assets, today announced that Michael Sartori, Head of Capital Markets and Financial Planning and Analysis (FP&A), has been appointed Chief Financial Officer effective immediately. Mr. Sartori succeeds Robert Colligan, who is leaving the CFO role by mutual agreement.

To facilitate a smooth transition of roles and responsibilities, Mr. Colligan has agreed to remain with the Company to serve in an advisory role through May 1, 2026. Mr. Colligan's departure is unrelated to the Company's financial reporting or controls.