ALEXZA PHARMACEUTICALS, INC. WARRANT TO PURCHASE COMMON STOCKAlexza Pharmaceuticals Inc. • August 26th, 2009 • Pharmaceutical preparations • New York
Company FiledAugust 26th, 2009 Industry JurisdictionTHIS CERTIFIES THAT, for value received, , with its principal office at , or its assigns (the “Holder”), is entitled to subscribe for and purchase at the Exercise Price (defined below) from Alexza Pharmaceuticals, Inc., a Delaware corporation, with its principal office at 2091 Stierlin Court, Mountain View, CA 94043 (the “Company”) up to ( ) shares of the Common Stock of the Company (the “Common Stock”), subject to adjustment as provided herein. This Warrant is being issued pursuant to the terms of the Warrant Purchase Agreement, dated June 15, 2009, by and among the Company and the Holder (the “Warrant Purchase Agreement”). Capitalized terms not otherwise defined herein shall have the respective meanings ascribed to such terms in the Warrant Purchase Agreement.