Rome, 22 March 2011 – Moody’s has, for the first time, today assigned Acea Spa an “A3” rating with a stable outlook, in view of its solid business and ability to guarantee earnings visibility going forward.

With Moody’s, Acea is one of a small group of European companies to receive ratings from three Agencies (the other two are Standard & Poor’s and Fitch), all in the single “A” bracket.