Oct 19 (Reuters) - Italian state lender Cassa Depositi e Prestiti says:
* IT HAS APPROVED PROPOSAL TO BUY ATLANTIA'S 88% STAKE IN AUTOSTRADE TOGETHER WITH MACQUARIE AND BLACKSTONE
* BIDDING CONSORTIUM AIMS TO SIGN MEMORANDUM OF UNDERSTANDING WITH ATLANTIA OVER AUTOSTRADE BY OCT. 28
* CDP EQUITY, BLACKSTONE, MACQUARIE WILL CARRY OUT DUE DILIGENCE ON AUTOSTRADE ASSETS FOR AROUND 10 WEEKS AFTER SIGNING MOU IN ORDER TO PRESENT FINAL BID
* OFFER FOR AUTOSTRADE INCLUDES REQUEST TO ATLANTIA TO POSTPONE SHAREHOLDER MEETING CALLED FOR OCT. 30 TO APPROVE AUTOSTRADE SPIN-OFF
* OFFER FOR AUTOSTRADE HAS BEEN STRUCTURED AS TO ALLOW MORE DOMESTIC INSTITUTIONAL INVESTORS TO JOIN IN LATER ON Further company coverage: ATL.MI