2009 CEO ANNUAL INCENTIVE AWARD TARGETS

The following sets forth On Assignment, Inc.’s (the “Company”) annual incentive awards (the “Bonus Program”) for Mr. Peter Dameris, the Company’s President and Chief Executive Officer with respect to 2009 performance.  All awards pursuant to this Bonus Program are granted under the On Assignment, Inc. Restated 1987 Stock Option Plan (as Amended and Restated April 7, 2006) (the “Plan”) and any awards made pursuant to Bonus Plan A and/or Bonus Plan B are intended by the  Company’s Compensation Committee (the “Committee”) to constitute “Performance or Annual Incentive Awards” under the Plan and “qualified performance-based compensation” (“QPBC”) for purposes of Internal Revenue Code Section 162(m) (“Section 162(m)”).  The Committee is comprised solely of two or more “outside directors” within the meaning of Section 162(m).  The Committee is establishing the performance goals contained herein within the first ninety days of the 2008 performance period applicable to the awards under this Bonus Program.

Each determination provided for in the Plan and/or the Bonus Program shall be made by the Committee under such procedures as may from time to time be prescribed by the Committee and shall be made in the sole discretion of the Committee, consistent with the requirements applicable to QPBC under Section 162(m).   Any such determinations shall be final and conclusive and binding on all interested parties.   Attainment of all performance goals will be determined after taking into consideration the impact of all bonuses to be paid under this Bonus Program, meaning that if, after deducting any such bonus awards, the resulting number is not at or above the target, the target has not been achieved and the affected bonus will be reduced (if necessary, to zero) as required to cause the attainment of such target. No payments shall be made under this Bonus Program unless and until the Committee shall have certified in writing the attai