EXHIBIT A JOINT FILING AGREEMENTJoint Filing Agreement • May 24th, 2012 • Rio Tinto PLC • Metal mining
The undersigned hereby agree that this Amendment No. 15 to Schedule 13D, dated January 26, 2012, with respect to the common shares, without par value, of Ivanhoe Mines Ltd. is, and any further amendments thereto executed by each of us shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, and that this Agreement shall be included as an Exhibit to the Schedule 13D and each such amendment. Each of the undersigned agrees to be responsible for the timely filing of the Schedule 13D and any amendments thereto, and for the completeness and accuracy of the information concerning itself contained therein. This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.
EXHIBIT O AMENDING AGREEMENTAmending Agreement • May 24th, 2012 • Rio Tinto PLC • Metal mining • British Columbia
THIS AMENDING AGREEMENT is made as of the 22nd day of May, 2012, by and between IVANHOE MINES LTD. (“Ivanhoe”), RIO TINTO INTERNATIONAL HOLDINGS LIMITED (“Rio Tinto”) and RIO TINTO SOUTH EAST ASIA LIMITED (the “Rio Tinto Funding Company”).
