Ivanhoe Mines files NI 43-101 technical report on the Definitive Feasibility Study for the Platreef platinum-group metals, nickel, copper and gold project in South Africa

September 14, 2017

Ivanhoe Mines files NI 43-101 technical report

on the Definitive Feasibility Study for the Platreef platinum-group metals,

nickel, copper and gold project in South Africa

VANCOUVER, CANADA – Ivanhoe Mines (TSX: IVN; OTCQX: IVPAF) today announced that, further to

its news release dated July 31, 2017, the company has filed a National Instrument 43-101 (NI 43-101)

technical report on the independent definitive feasibility study (DFS) for the Platreef platinum-group

metals, nickel, copper and gold project in South Africa.

The independent NI 43-101 technical report for the Platreef DFS was prepared for Ivanhoe Mines by

principal consultant DRA Global, with economic analysis led by OreWin, and specialized sub-

consultants including Amec Foster Wheeler, Stantec Consulting, Murray & Roberts Cementation, SRK

Consulting, Golder Associates and Digby Wells Environmental. The report – titled Platreef 2017

Feasibility Study – has been filed on the SEDAR website at www.sedar.com and on the Ivanhoe

Mines website at www.ivanhoemines.com.

Information contacts

Investors

Bill Trenaman +1.604.331.9834

Media

North America: Bob Williamson +1.604.512.4856

South Africa: Jeremy Michaels +27.82.772.1122

Website www.ivanhoemines.com