** Shares of HyTerra HYT.AX rise as much as 9.1% to A$0.024, on track for best session since November 11

** Natural hydrogen producer signs binding agreement with GeoKiln Energy Innovation

** Both parties to assess and demonstrate a test of geologic hydrogen generation using GeoKiln's manufactured subsurface hydrogen within a drilled wellbore

** Stock down 40% YTD, including the session's moves

(Reporting by Anjali Singh in Bengaluru)

((anjali.singh2@thomsonreuters.com;))