** Shares of Brookside Energy BRK.AX rise as much as 9% to A$0.425, logging their biggest intraday pct gain since November 8, 2024
** Stock hits highest since June 23
** Oil and gas projects developer announced its intention to buy back up to 4.8 million shares or 5% of its issued capital for A$0.40 per share
** Says total cost of buy back to be about A$1.9 mln ($1.24 mln)
** Buy back price represents a 2.6% premium to last close
** Stock down 3.5% YTD
($1 = 1.5333 Australian dollars)
(Reporting by Sneha Kumar in Bengaluru)
((Sneha.kumar@thomsonreuters.com;))