X0306 4 2017-12-20 0 0001372612 BOX INC BOX 0001606411 Mannie Jeff 900 JEFFERSON AVENUE REDWOOD CITY CA 94063 0 1 0 0 VP Controller & Chief Acct Ofr Class A Common Stock 2017-12-20 4 F 0 1282 20.92 D 44925 D Class B Common Stock Class A Common Stock 39436 39436 D Represents shares that have been withheld by the Issuer to satisfy its income tax and withholding and remittance obligations in connection with the net settlement of restricted stock units (RSUs) and does not represent a sale by the Reporting Person. Includes 3,594 RSUs that represent contingent rights to receive 3,594 shares of the Issuer's Class B Common Stock upon settlement. Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date. Includes 37,188 RSUs that represent contingent rights to receive 37,188 shares of the Issuer's Class A Common Stock upon settlement. Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date. Includes 1,072 shares of Class B Common Stock issued in connection with the net settlement of RSUs on December 20, 2017. /s/ Peter McGoff, Attorney-in-Fact 2017-12-22