On Assignment, Inc. (NYSE: ASGN), a leading global provider of diversified professional staffing solutions, today announced that President and Chief Executive Officer Peter Dameris, and Chief Administrative Officer and Treasurer Jim Brill, are scheduled to make an investor presentation at The Roth 25 th Annual OC Growth Stock Conference on March 19, 2013, 4:00 p.m. Pacific Time at The St. Regis Hotel in Dana Point, California. Webcasts and presentations for this conference will be available on the Company web site at www.onassignment.com in the Investor Relations section under “Presentations.” About On Assignment On Assignment, Inc. (NYSE: ASGN), is a leading global provider of in-demand, skilled professionals in the growing technology, healthcare and life sciences sectors, where quality people are the key to success. The Company goes beyond matching résumés with job descriptions to match people they know into positions they understand for temporary, contract-to-hire, and direct hire assignments. Clients recognize On Assignment for their quality candidates, quick response, and successful assignments. Professionals think of On Assignment as career-building partners with the depth and breadth of experience to help them reach their goals. On Assignment was founded in 1985 and went public in 1992. The corporate headquarters are located in Calabasas, California, with a network of approximately 130 branch offices throughout the United States, Canada, United Kingdom, Netherlands, Ireland and Belgium. Additionally, physician placements are made in Australia and New Zealand. To learn more, visit http://www.onassignment.com.