X0306 4 2017-02-01 0 0000911109 MOBILE MINI INC MINI 0001439283 Miner Christopher J 4646 E. VAN BUREN STREET SUITE 400 PHOENIX AZ 85008 0 1 0 0 Senior VP & General Counsel Common Stock $0.01 Par Value 2017-02-01 4 A 0 5079 0.00 A 35363 D Employee Stock Option 32.55 2017-02-01 4 A 0 19862 0.00 A 2027-02-01 Common Stock $0.01 Par value 19862 19862 D The restricted stock vests equally over four years on the anniversary date of the grant. The option vests in three equal annual installments beginning on February 28, 2018, subject to the achievement of certain performance targets. As part of the grant, Mr. Miner shall also be eligible to receive additional options each year if the Company exceeds the performance targets for such year. /s/ CHRISTOPHER J. MINER 2017-02-03