INSPERITY, INC. — Director's Dealing 2011

Mar 1, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ADMINISTAFF INC \DE\ (ASF)
CIK: 0001000753
Period of Report: 2011-02-25

Reporting Person: MINCKS JAY E (Exec VP Sales & Marketing)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-25	Common Stock	M	20000	$23.48	Acquired	100951	Direct
2011-02-25	Common Stock	S	26129	$29.70	Disposed	74822	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-02-25	Employee Stock Option (right to buy)	$23.48	M	20000	Disposed	2011-10-02	Common Stock (20000)	Direct

Footnotes

F1: Weighted average sales price. Actual prices ranged from $29.70 to $29.715. Full information regarding the number of shares sold at each separate price will be provided upon request to the SEC's staff, Administaff, Inc. or its stockholders.

F2: The options become exercisable in three equal annual installments beginning on October 2, 2002.