X0306 4 2020-03-18 0000826675 DYNEX CAPITAL INC DX 0001283563 BOSTON BYRON L C/O DYNEX CAPITAL, INC. 4991 LAKE BROOK DRIVE, SUITE 100 GLEN ALLEN VA 23060 1 1 0 0 CEO, President and co-CIO Common Stock 2020-03-18 4 P 0 6000 7.94 A 261756 D Common Stock 5204.949 I Through 401(k) Plan The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.475 to $8.20, inclusive. The reporting person undertakes to provide to Dynex Capital, Inc. ("Dynex"), any security holder of Dynex, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. Alison G. Griffin, attorney-in-fact 2020-03-20