August 30, 2012 Achillion Pharmaceuticals, Inc. New Haven, Connecticut 06511-6624 Ladies and Gentlemen:Purchase Agreement • August 31st, 2012 • Achillion Pharmaceuticals Inc • Pharmaceutical preparations • New York
Each of the undersigned (each, an “Investor” and collectively, the “Investors”) hereby confirms and agrees, severally and not jointly, with you as follows:
