April 30 (Reuters) - Italian state lender CDP and investment partners Macquarie and Blackstone (NYSE:BX) say in a statement:
* have sent Atlantia some "refinements" to the offer relating to the purchase of the infrastructure group's 88% stake in motorway unit Autostrade per l'Italia
* believe that the final offer including the proposed adjustments can be viewed positively by Atlantia and its shareholders.