** Shares of Australian outdoor advertising and media company oOh!media OML.AX rise as much as 47.1% at $1.25, their biggest intraday pct gain
** Stock hits its highest level since February 5
** oOh!media receives unsolicited, non-binding offer from Pacific Equity Partners (PEP) to buy company, valuing it at A$746.9 million ($536.87 million)
** Pacific Equity proposes to buy all OML shares at A$1.40 apiece
** Stock last up 38.2%, trimming YTD losses to 9.6%
($1 = 1.3912 Australian dollars)
(Reporting by Sruthi Narasimha Chari in Bengaluru)
((Sruthinarasimha.chari@thomsonreuters.com))