March 31 (Reuters) - Australia's Domain Holdings DHG.AX said on Monday it has granted CoStar CSGP.O exclusive due diligence access for the U.S. property data group's revised buyout proposal, valuing the real estate classifieds firm at A$2.80 billion ($1.76 billion).
($1 = 1.5918 Australian dollars)
(Reporting by Sneha Kumar in Bengaluru; Editing by Chris Reese)
((Sneha.Kumar@thomsonreuters.com;))