The stock option and restricted stock unit awards are granted as employment inducement awards pursuant to the NYSE rules.Marty R. Kittrell, 55, currently serves as a director and chairman of the audit committee of NiSource, Inc., a Fortune 500 company engaged in natural gas transmission, storage and distribution. Previously, Kittrell retired as executive vice president and chief financial officer of Dresser Holdings, Inc., a position he held for four years. He also served as chief financial officer of a number of other companies, both public and private, including Andrew Corporation and Exide Electronics Group, Inc. Kittrell began his career with Price Waterhouse and holds a BS in accounting from Lipscomb University where he serves on the Board of Trustees. 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 129 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: www.onassignment.com . Safe Harbor Certain statements made in this news release are “forward-looking statements” within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended, and involve a high degree of risk and uncertainty. Forward-looking statements include statements regarding the Company’s anticipated financial and operating performance in 2012. All statements in this release, other than those setting forth strictly historical information, are forward-looking statements. Forward-looking statements are not guarantees of future performance, and actual results might differ materially. In particular, the Company makes no assurances that the financial estimates set forth above will be achieved. Factors that could cause or contribute to such differences include actual demand for our services, our ability to attract, train and retain qualified staffing consultants, our ability to remain competitive in obtaining and retaining temporary staffing clients, the availability of qualified temporary nurses and other qualified temporary professionals, management of our growth, continued performance of our enterprise-wide information systems, and other risks detailed from time to time in our reports filed with the Securities and Exchange Commission, including our Annual Report on Form 10-K for the year ended December 31, 2011, as filed with the SEC on March 14, 2012. We specifically disclaim any intention or duty to update any forward-looking statements contained in this news release.