X0303 4 2010-03-19 0001000753 ADMINISTAFF INC \DE\ ASF 0001198985 MINCKS JAY E 19001 CRESCENT SPRINGS DRIVE KINGWOOD TX 77339 0 1 0 0 Exec VP Sales & Marketing Common Stock 2010-03-19 4 M 0 30000 19.93 A 109470 D Common Stock 2010-03-19 4 S 0 30000 21.43 D 79470 D Employee Stock Options (right to buy) 19.93 2010-03-19 4 M 0 30000 0 D 2010-04-27 Common Stock 30000 0 D The sales reported on this Form 4 were effected pursuant to a limit order placed by Mr. Mincks on 3/15/2010. The options became exercisable in three equal annual installments beginning on 4/27/2001. Daniel D. Herink, by power of attorney 2010-03-22