ARDEA BIOSCIENCES, INC. and , AS WARRANT AGENT FORM OF COMMON STOCK WARRANT AGREEMENTCommon Stock Warrant Agreement • October 22nd, 2010 • Ardea Biosciences, Inc./De • Pharmaceutical preparations • New York
Contract Type FiledOctober 22nd, 2010 Company Industry JurisdictionCOMMON STOCK WARRANT AGREEMENT (this “Agreement”), dated as of between ARDEA BIOSCIENCES, INC., a Delaware corporation (the “Company”) and, a [corporation] [national banking association] organized and existing under the laws of and having a corporate trust office in , as warrant agent (the “Warrant Agent”).