 Ivanhoe Australia was floated on the ASX exchange with Ivanhoe Mines owning 80% of it.2009 - Ivanhoe finally reached an agreement with the Mongolian Government on its share in Oyu Tolgoi, taxes as well as Ivanhoe's responsibilities when it comes to the environment and job opportunities for local people.In October Rio Tinto bought 46.3 million common shares for $388 million.