Brief: A2A to submit non binding offer for Snam's biomethane unit Bioenerys, CEO says
May 5 (Reuters) - A2A CEO Renato Mazzoncini says: ITALY'S A2A CEO: WE WILL SUBMIT A NON BINDING OFFER FOR SNAM'S BIOMETHANE UNIT BIOENERYS Further company coverage: A2.MI (Reporting by Milan Newsroom) ((gianluca.semeraro@tr.com; +39 06 80 307 741;))