** Shares of Alliance Pharma ALAPH.L rise as much as 2.4% to 64p
** The healthcare group agrees to a sweetened final cash proposal from asset management firm DBAY Advisors, valuing it at about 362 million pounds ($467.5 million)
** The revised 64.75p-per-share proposal is a 3.6% increase from the previous bid of 62.5p, represents a premium of 46% to stock's closing price on January 9, the day before the start of the offer period
** In January, the companies agreed to initial proposal of 62.5p, before the general meeting got adjourned to allow Alliance's shareholders additional time to consider the deal
** Stock, which has surged ~45% since deal announcement, up ~40% YTD
($1 = 0.7744 pounds)
(Reporting by Aby Jose Koilparambil in Bengaluru)
((abyjose.koilparambil@thomsonreuters.com))