X0306 4 2020-05-01 0 0001013934 Strategic Education, Inc. STRA 0001050572 GILLIGAN J KEVIN 2303 DULLES STATION BLVD HERNDON VA 20171 1 0 0 0 Vice Chairman Common Stock 2020-05-01 4 S 0 3598 150.26 D 11068 D Common Stock 2020-05-01 4 S 0 200 151.12 D 10868 D Common Stock 2020-05-01 4 S 0 400 153.51 D 10468 D Common Stock 2020-05-01 4 S 0 571 154.43 D 9897 D Common Stock 2020-05-01 4 S 0 200 156.66 D 9697 D Common Stock 2020-05-01 4 S 0 700 157.99 D 8997 D Common Stock 2020-05-04 4 S 0 662 147.01 D 8335 D Common Stock 2020-05-04 4 S 0 1303 147.80 D 7032 D Common Stock 2029-05-04 4 S 0 739 148.88 D 6293 D Common Stock 2020-05-04 4 S 0 1152 150.03 D 5141 D Weighted average price, as these shares were sold in multiple transactions at prices ranging from $150.00 to $150.78, inclusive. Weighted average price, as these shares were sold in multiple transactions at prices ranging from $153.16 to $154.00, inclusive. Weighted average price, as these shares were sold in multiple transactions at prices ranging from $154.39 to $154.86, inclusive. Weighted average price, as these shares were sold in multiple transactions at prices ranging from $156.31 to $157.00, inclusive. Weighted average price, as these shares were sold in multiple transactions at prices ranging from $157.60 to $158.31, inclusive. Weighted average price, as these shares were sold in multiple transactions at prices ranging from $146.40 to $147.26, inclusive. Weighted average price, as these shares were sold in multiple transactions at prices ranging from $147.41 to $148.37, inclusive. Weighted average price, as these shares were sold in multiple transactions at prices ranging from $148.57 to $149.41, inclusive. Weighted average price, as these shares were sold in multiple transactions at prices ranging from $149.69 to $150.62, inclusive. The Reporting Person undertakes to provide Strategic Education, Inc., any security holder of Strategic Education, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in these footnotes. /s/ Daniel W. Jackson, Attorney-in-Fact 2020-05-05