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Press release

Oyu Tolgoi appoints general manager for underground development

Ulaanbaatar, Mongolia,


Oyu Tolgoi has appointed Greg Field as General Manager - Underground, one of the key roles in the execution of the Oyu Tolgoi underground development, and, the first of a number of key roles being filled as Oyu Tolgoi progresses towards development of the underground project.

In this new position, Greg Field will play a major role in preparations for underground mining at Oyu Tolgoi.

Andrew Woodley – President and CEO, Oyu Tolgoi, said: “The development of the underground mine is a vital part of our long-term future as a business, and we are pleased to announce Greg Field’s appointment to this important role. Greg’s breadth of experience – spanning various roles at Oyu Tolgoi, and senior positions in block caving projects and mine construction around the world – will be a great asset to the project.”

Greg Field previously held a variety of roles in Oyu Tolgoi, most recently as General Manager, Infrastructure and Services. He has more than 20 years of mining experience across Asia, Africa and Australia, with extensive senior experience in block caving, which will be used at Oyu Tolgoi underground mine.

Prior to joining Oyu Tolgoi, Greg Field was General Manager, Operational Readiness at Argyle Diamond Mine in Australia. He has a degree in mining engineering from the University of Johannesburg.

About Oyu Tolgoi LLC (www.ot.mn)

Oyu Tolgoi LLC, Mongolia's largest copper and gold mining company, is a strategic partnership between the Government of Mongolia, Turquoise Hill Resources and Rio Tinto. Located in the South Gobi, Oyu Tolgoi commenced shipment of product to customers in July 2013. Oyu Tolgoi is managed by Rio Tinto, which is investing global expertise and cutting-edge technology to help develop Mongolia’s mining industry and ensure Oyu Tolgoi is one of the world’s most advanced mines. For Oyu Tolgoi, nothing matters more than safety. The business operates under the principle that if a job cannot be done safely, it will not be done at all.

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