X0306 4 2017-04-09 0 0001372612 BOX INC BOX 0001606410 Smith Dylan C 900 JEFFERSON AVENUE REDWOOD CITY CA 94063 1 1 1 0 Chief Financial Officer Employee Stock Option (right to buy) 16.68 2017-04-09 4 A 0 225000 0.00 A 2027-04-09 Class A Common Stock 225000 225000 D Performance-based Employee Stock Option (right to buy) 16.68 2017-04-09 4 A 0 225000 0.00 A 2027-04-09 Class A Common Stock 225000 225000 D 1/4 of the shares subject to the option vest on March 20, 2018, and 1/48 of the shares vest monthly thereafter, subject to the Reporting Person's continued service through each vesting date. 1/4 of the shares subject to the option vest on March 20, 2018, and 1/48 of the shares vest monthly thereafter, subject to both (a) continued service to Box through each applicable vesting date, and (b) the closing stock price of the Company's Class A stock must have maintained a level that is 25% higher than the options' exercise price (rounded down to the nearest whole penny) for a period of 30 consecutive trading days. If the performance condition in clause (b) is not met prior to the fourth anniversary of the grant date, no options will vest and all will be forfeited. The performance condition in clause (b) need only be met one time prior to the fourth anniversary of the grant date in order for it to be satisfied. /s/ Peter McGoff, Attorney-in-Fact 2017-04-11