On Assignment to Participate in Investor Conferences in November

CALABASAS, Calif.–(BUSINESS WIRE)–On Assignment, Inc. (NYSE: ASGN) will participate in the following
conferences in November of 2015:

  • The Jeffries West Coast SMID Summit One-on-One Conference 2015 on
    November 5, 2015, 8:00 a.m. – 3:50 p.m. Pacific Time at the Hotel
    Vitale in San Francisco, California. Representing On Assignment will
    be Peter Dameris, President and Chief Executive Officer, and Ed
    Pierce, Chief Financial Officer. The presentation for these
    conferences will be available on the Company’s website at www.onassignment.com
    in the Investor Relations section under “Presentations”.
  • The J.P Morgan Ultimate Services Investor Conference on
    November 10, 2015, 8:15 – 8:55 a.m. Eastern Time, at the JP Morgan
    Office, 383 Madison Avenue in New York. Representing On Assignment
    will be Peter Dameris, President and Chief Executive Officer, and Rand
    Blazer, President, and Theodore Hanson, Chief Financial Officer of
    Apex Systems, Inc., an On Assignment company. A webcast will be
    available at http://jpmorgan.metameetings.com/confbook/ultimateservices15/directlink?p=19302
    and the link is also available on our website at www.onassignment.com
    in the Investor Relations section.
  • The Wells Fargo Technology, Media and Telecom Conference on
    November 11, 2015, 10:45 – 11:15 a.m. Eastern Time, at the Waldorf
    Astoria in New York. Representing On Assignment will be Peter Dameris,
    President and Chief Executive Officer, and Rand Blazer, President, and
    Theodore Hanson, Chief Financial Officer of Apex Systems, Inc., an On
    Assignment company. A webcast will be available at https://cc.talkpoint.com/well001/111015a_ae/?entity=43_4J7PVRF
    and the link is also available on our website at www.onassignment.com
    in the Investor Relations section.
  • The Sun Trust Robinson Humphrey 2015 Financial Technology, Business
    and Government Services One-on-One Conference
    on November 12,
    2015, 8:00 a.m. – 5:00 p.m. Eastern Time, at Westin Grand in New York.
    Representing On Assignment will be Peter Dameris, President and Chief
    Executive Officer, and Rand Blazer, President, and Theodore Hanson
    Chief Financial Officer of Apex, an On Assignment company. The
    presentation for these conferences will be available on the Company’s
    website 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, 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, which is based in Calabasas, California, was founded in
1985 and went public in 1992. The Company has a network of branch
offices throughout the United States, Canada, United Kingdom,
Netherlands, Ireland and Belgium. To learn more, visit http://www.onassignment.com.

Contacts

On Assignment, Inc.
Ed Pierce, 818-878-7900
Chief Financial
Officer