On Assignment Prices Secondary Offering at $17.00/Share

On Assignment, Inc.

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