** Shares of MLG Oz MLG.AX rise 5.4% to A$0.69, their highest level since February 17

** Mining support services provider executes contract with mining conglomerate Rio Tinto RIO.AX with estimated revenue A$20 million ($13.00 million)

** Contract for the provision of bulk haulage and site activities in support of ongoing activities at Rio's Western Turner Syncline mine in Pilbara, Western Australia

** Stock up 18.2% YTD, including current session's moves

($1 = 1.5380 Australian dollars)

(Reporting by Nikita Maria Jino in Bengaluru)

((Nikita.Jino@thomsonreuters.com;))