X0306 4 2017-09-14 0001000753 INSPERITY, INC. NSP 0001055604 ARIZPE ARTHUR A 19001 CRESCENT SPRINGS DRIVE KINGWOOD TX 77339 1 EVP of Client Services and COO Common Stock 2017-09-14 5 G 0 E 1250 0 D 69904 I By Arizpe Investment Limited Partnership Common Stock 23653 D Represents a gift of shares to a charitable organization. These shares are owned directly by Arizpe Investment Limited Partnership, which is controlled by Arizpe Management. Mr. Arizpe, by virtue of his position as Manager of Arizpe Management, may be deemed to beneficially own these shares. /s/ Daniel D. Herink, by Power of Attorney 2017-09-18