On Assignment, Inc. (NYSE: ASGN) today announced that the previously reported public offering of its common stock by certain selling stockholders has priced at $17.00 per share. The size of the offering has been upsized from 4,781,857 shares to 5,173,161 shares. The offering is expected to close on September 19, 2012. The selling stockholders granted the underwriters a 30-day option to purchase up to an additional 775,974 shares of common stock. The selling stockholders will receive all of the net proceeds from this offering, and On Assignment will not receive any proceeds from the sale of shares in this offering. BofA Merrill Lynch, Baird and Wells Fargo Securities are acting as joint book-running managers for this offering, with William Blair, BMO Capital Markets, SunTrust Robinson Humphrey and Avondale Partners acting as co-managers. The offering will be made under an effective shelf registration statement filed with the Securities and Exchange Commission. This press release does not constitute an offer to sell or a solicitation of an offer to buy the securities described herein, nor shall there be any sale of these securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities law of any such jurisdiction. The offering is being made by means of a prospectus supplement and accompanying prospectus only. A prospectus supplement relating to this offering will be filed with the Securities and Exchange Commission. Copies of the prospectus supplement and the accompanying prospectus can be obtained from BofA Merrill Lynch, 222 Broadway, 7th Floor, New York, NY 10038, Attention: Prospectus Department or email email@example.com. 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.