Keele, UK, 19th June 2006 - Cobra Biomanufacturing plc (AIM: CBF), the international manufacturer of biopharmaceuticals, today announces the award of two European Patents further strengthening Cobra’s patent portfolio in the area of plasmid DNA manufacture. One patent (EP 1080179) covers Cobra’s RiboCLEAR system of novel cell lines engineered specifically for the synthesis of plasmid DNA at lower cost and higher quality and the other (EP 880585) a method for purifying plasmid DNA at scale.