Leighton Holdings Ltd
(ASX:LEI) has secured a $700 million contract adjustment to ramp up production at a coal mine in southern Mongolia.
The company says that under the revised contract, production rates are to be increased to 15 million tonnes per year by January 2013.
Leighton subsidiary Leighton Asia was first awarded the contract in 2009, for work at Energy Resources UHG mine.
Coal production began in April 2009 with total production of 1.8 million tonnes in the year ended 31 December 2009.
Leighton Holdings reported a profit of $440 million for the year ending 30 June 2009.