X0306 4 2020-04-24 0 0001372612 BOX INC BOX 0001405693 Mayer Bethany 900 JEFFERSON AVE REDWOOD CITY CA 94063 1 0 0 0 Class A Common Stock 2020-04-24 4 A 0 29239 0.00 A 29239 D Each share is represented by a restricted stock unit (RSU). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. 1/3 of the RSUs will vest on April 24, 2021. The remaining RSUs will vest annually thereafter over the following two years, subject to the Reporting Person's continued service through each vesting date. /s/ David Leeb, Attorney-in-Fact 2020-04-28