June 16 (Reuters) - Enel (MI:ENEI) says:
* ITS BOARD RECEIVED ON JUNE 10 NON-BINDING OFFER FROM MACQUARIE INFRASTRUCTURE REAL ASSET TO BUY 50% STAKE IN OPEN FIBER
* ENEL SAYS BOARD ACKNOWLEDGED OFFER RECEIVED, WAITING FOR LATER UPDATE
* ENEL SAYS OFFER FROM MACQUARIE INFRASTRUCTURE REAL ASSET IS FOR ALL OR PART OF ITS 50% STAKE IN OPEN FIBER