X0306 4 2023-03-06 0001234006 GLADSTONE COMMERCIAL CORP GOOD 0001939449 Wislar Elliott JR 1521 WESTBRANCH DRIVE SUITE 100 MCLEAN VA 22102 0 1 0 0 Chief Investment Officer Common Stock 2023-03-06 4 P 0 2000 13.6807 A 3070.20 D The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $13.6326 to $13.72 inclusive. The reporting person undertakes to provide to Gladstone Commercial Corporation, any security holder of Gladstone Commercial Corporation, 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. /s/ Michael LiCalsi 2023-03-06