Melbourne, Feb 5, 2010 (ABN Newswire) - Benitec Limited (ASX:BLT)(PINK:BNIKF) licensee company Tacere Therapeutics, Inc. announced today that Pfizer (NYSE:PFE) has exercised the option, granted in a collaboration and license agreement previously announced in January 2008, to further develop and commercialise Tacere’s Hepatitis C Virus (HCV) compounds.