** Shares of Mastermyne Group MYE.AX rise as much as 13.8% to A$0.165, their highest level since July 16, 2025
** The mining services provider agrees upon a 10-year extension to its exclusive distribution agreement with Jennmar Holdings, LLC on the supply of critical strata consolidation products
** Agreement now operational until 2047, says Mastermyne
** About 222,960 shares change hands, 3.5x the 30-day average
** Stock shed 15.2% in 2025
(Reporting by Sherin Sunny in Bengaluru)
((Sherin.Sunny@thomsonreuters.com))