Concentrate production of Oyu Tolgoi LLC in 1st quarter of 2015 declined nearly 30 percent over 4th quarter of 2014 driven by resource sequence and therefore impacted by lower mill head grades as well as a planned maintenance and improvement shutdowns. The shutdown was completed in a timely without any injuries. Concentrate sales for the quarter exceeded production, despite slowing during the Lunar New Year when border and customs operations were closed for a longer period.
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