LONDON, UNITED KINGDOM–(Marketwired – May 10, 2017) – Rio Tinto plc (“Rio Tinto“) announced that, pursuant to a plan of arrangement (the “Arrangement“) between Entrée Resources Ltd. (formerly Entrée Gold Inc.) (“Entrée“) and Mason Resources Corp. (“Mason Resources“), Rio Tinto International Holdings Limited, a wholly owned subsidiary of Rio Tinto, received 7,455,058 common shares of Mason Resources (“Mason Shares“), representing approximately 9.58% of the number of Mason Shares outstanding after giving effect to the Arrangement.












