Deals of the day-Mergers and acquisitions

May 30 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by Wednesday 1030 GMT on Wednesday: ** Standard Life Aberdeen said it expected to save an extra 100 million pounds ($132.64 million) a year in 'efficiency savings' by 2020 after it completes the sale of its insurance business to Phoenix Group. ** Italian utility Enel and its Spanish peer Iberdrola have until the end of Wednesday to present improved bids for Eletropaulo, the Brazilian power grid operator said