** Macmahon MAH.AX rises 6.4% to A$0.25; set for steepest intraday pct gain since January 29

** Mining services provider wins a Notice of Award for a three-year contract extension at the Byerwen coking coal mine in Queensland

** Extension a continuation of services from October 2025

** About three mln shares traded, 1.4x the 30-day avg

** YTD, MAH down 27.5%

(Reporting by Manasi Dasa in Bengaluru)

((Manasi.DasaSundeep@thomsonreuters.com;))