(d) On December 15, 2016, the Board of Directors (the “Board”) of On Assignment, Inc. (the “Company”) nominated Mariel Joliet to the Board and Ms. Joliet has accepted the nomination. Ms. Joliet has also been appointed to serve as a member of the Board’s Audit Committee, and was determined by the Board to be “independent” to the definition set forth by the New York Stock Exchange. Ms. Joliet, age 50, has been an advisor to the Board and the Audit Committee since January 2016. The Board’s Nominating and Corporate Governance Committee believed that her contributions to the Board and Audit Committee were noteworthy and made a recommendation to the Board that the Board appoint her as a director.

From 1998 to 2008, Ms. Joliet was with Hilton Hotels Corporation, a publicly-traded hotel company. She most recently served as Senior Vice President and Treasurer and was instrumental in its sale to the Blackstone Group for $27 billion, one of the ten largest leveraged buy outs (LBOs) in history when it closed in 2007. In her capacity as Treasurer, Ms. Joliet was responsible for capital markets and financial investment initiatives, including credit ratings, debt/equity issuances, interest rate risk, cash management and foreign exchange. Prior to her role at Hilton, she had ten years of experience as a coverage officer and corporate banker at both Wachovia Bank and Corestates Bank, where she was responsible for client relationships and portfolio management. Ms. Joliet also serves as an advisory board member for the Vision Center at Children’s Hospital Los Angeles, and serves as a member of Bright Eyes Foundation.

Ms. Joliet received a bachelor of science at the University of Scranton and earned a master in business administration from Marywood University. Ms. Joliet has a strong background in financing, acquisitions, deal structuring, strategic planning and operational integration, and provides advice to the Board and management in these areas, among others.

About On Assignment, Inc. (NYSE:ASGN)

On Assignment, Inc. is a provider of professionals in the technology, life sciences and creative sectors. The Company matches people into positions for contract, contract-to-hire and direct hire assignments. Its operating segments include the Apex Segment and the Oxford Segment. The Apex Segment provides a spectrum of technical and scientific professionals for contract, contract-to-hire and permanent placement positions to Fortune 1000 and mid-market clients across the United States. The Apex Segment businesses serve markets with a large and local pool, and provide a range of skills through a network of local offices. The Apex segment businesses include Apex Systems, LLC (Apex Systems), Lab Support, LLC (Lab Support) and Creative Circle, LLC (Creative Circle). The Oxford Segment provides staffing and consulting services in select skill and geographic markets, and its businesses include Oxford Global Resources, LLC (Oxford), CyberCoders, Inc. (CyberCoders) and Life Sciences Europe.

On Assignment, Inc. (NYSE:ASGN) Recent Trading Information

On Assignment, Inc. (NYSE:ASGN) closed its last trading session up +0.12 at 43.84 with 187,525 shares trading hands.