Press release: Mine to use new technology in environmental rehabilitation

– For the first time in Mongolia, Oyu Tolgoi will use new, highly productive equipment for environmental rehabilitation –

Ulaanbaatar, Mongolia – Oyu Tolgoi uses the latest environmental rehabilitation equipment and technology and implements the world’s best standards and practices in Mongolia. As part of this commitment, Oyu Tolgoi LLC is bringing new technology to Mongolia for the environmental rehabilitation of the mine site.

The Titan 400 Hydroseeder, manufactured in the US, is the largest and most efficient machinery on the market today. This piece of equipment, with price tag of approximately 200 million MNT, is fitted with a 15 tonne tank. The operating principle is very simple – water, seeds, and fertiliser are mixed together in the tank and then sprayed using a pressurised pump into the field to be rehabilitated. With one tank full, this machine can plant, fertilise and water, 2-5 hectares area.

The Titan 400 Hydroseeder can spray up to a 70 metres distance from the tank. This saves on manpower and sprays the seeds and fertiliser in large area within a short period of time. Apart from being high productivity and having the capacity to rehabilitate large areas, the machinery works very effectively on hills and can reach difficult terrain, not normally possible with ordinary equipment. This machinery is widely used in other countries, in the mining sector, for golf courses and urban parklands.

About Oyu Tolgoi LLC (http://en.ot.mn/)

Oyu Tolgoi LLC is Mongolia's largest copper and gold mining company and is a strategic partnership between the Government of Mongolia (34 per cent stake), Turquoise Hill Resources (66 per cent) and Rio Tinto. Rio Tinto is the major shareholder in Turquoise Hill Resources and the manager of the Oyu Tolgoi project. In addition to dividends from its 34 per cent stake in Oyu Tolgoi, the Government of Mongolia will receive taxes and royalties.

Oyu Tolgoi, located in the Gobi desert in southern Mongolia, will be one of the largest and highest-grade copper and gold mines in the world. It is the largest project ever developed in Mongolia, requiring a capital investment for phase 1 of more than US$6 billion.

Oyu Tolgoi is committed to contributing to a sustainable future for Mongolia. At least 9 out of 10 employees will be Mongolian once the mine is in production and Oyu Tolgoi is investing US$58 million dollars (78 billion MNT) in training and education and an additional US$27 million dollars (36 billion MNT) in the Workforce Employment Project designed to help address the general skills shortage in Mongolia

Oyu Tolgoi's key priorities are the health and safety of employees, best-practice environmental management, contributing to sustainable communities and always doing business with integrity, for the benefit of all the project's shareholders and the people of Mongolia.

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