COMMON STOCK PURCHASE AGREEMENTCommon Stock Purchase Agreement • October 5th, 2009 • Sangamo Biosciences Inc • Biological products, (no disgnostic substances) • Delaware
THIS COMMON STOCK PURCHASE AGREEMENT (the “Agreement”) is made and entered into as of October 2, 2009 (the “Effective Date”) by and between SANGAMO BIOSCIENCES, INC., a Delaware corporation having its principal place of business at Point Richmond Tech Center, 501 Canal Boulevard, Suite A100, Richmond, California 94804 (“Sangamo”), and SIGMA-ALDRICH CORPORATION, a Delaware corporation having its principal place of business at 3050 Spruce Street, St. Louis, Missouri 63103 (“Sigma”). Sangamo and Sigma are sometimes referred to herein individually as a “Party” and collectively as the “Parties.”
