ASGN Inc — Director's Dealing 2017

May 1, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ON ASSIGNMENT INC (ASGN)
CIK: 0000890564
Period of Report: 2017-04-27

Reporting Person: Veatch Jeffrey E. (Board Advisor)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-04-27	Common Stock	S	100000	$51.2933	Disposed	490381	Direct
2017-05-01	Common Stock	S	50000	$50.8478	Disposed	440381	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 12/14/16.

F2: The $51.2933 share price is a weighted average of numerous open market trades made at prices ranging from $50.01 to $51.92.

F3: The $50.8478 share price is a weighted average of numerous open market trades made at prices ranging from $50.44 to $51.41.