** Shares of oil and gas company Amplitude Energy AEL.AX rise 2.3% to A$0.225
** Stock hits its highest level since August 9, 2024
** Co and O.G. Energy enter binding joint venture arrangements to progress East Coast supply project on a 50/50 basis to deliver additional gas supply to a structurally short East Coast market
** About 6.1 million shares change hands by 0250 GMT, 2.3 times the 30-day average volume of shares
** Stock up 7.3% this year, as of last close
(Reporting by Sherin Sunny in Bengaluru)
((Sherin.Sunny@thomsonreuters.com;))