ASGN Inc — Director's Dealing 2012

Feb 6, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ON ASSIGNMENT INC (ASGN)
CIK: 0000890564
Period of Report: 2012-02-03

Reporting Person: Hoffman-Abby Kathryn (Exec V.P., Nurse Travel/Vista)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-03	Common Stock	A	1567	—	Acquired	42205	Direct
2012-02-03	Common Stock	D	542	$12.19	Disposed	41663	Direct

Footnotes

F1: 2011 Performance Award - 1st of three installments granted 3/8/11. Goal acheived; Based on Adjusted EBITDA

F2: Executive officer elected to satisfy tax withholding obligations upon vesting by having On Assignment, Inc. withhold a number of vested shares equal to that of the employee's tax liability.