Exhibit 10.6 CHARLES RIVER LABORATORIES INTERNATIONAL, INC. 2000 INCENTIVE PLAN MID-TERM PERFORMANCE UNITS AGREEMENT THIS MID-TERM PERFORMANCE UNITS AGREEMENT (the "Agreement") is made and entered into as of April __, 2004, between Charles River...Mid-Term Performance Units Agreement • November 1st, 2004 • Charles River Laboratories International Inc • Biological products, (no disgnostic substances) • Massachusetts
