The new forecast takes into consideration the stronger operating performance for the firm, and also includes fourth-quarter scheduled mill maintenance at its mine in Kittila, Finland, lowered operations at LaRonde in northwest Quebec and Creston Mascota in northern Mexico and the expectation of a lower grade cycle at Meadowbank.

FORBES: Production At Agnico-Eagle's Meadowbank Mine Drives Performance

Daw Mill is the last remaining deep mine on the Warwickshire coalfields.

BBC: Daw Mill mine fire 'may last months'

The mine will undergo 13 days of maintenance shutdowns in the fourth quarter for the mill.

FORBES: Production At Agnico-Eagle's Meadowbank Mine Drives Performance

Gold production dropped to 42, 723 ounces on the quarter, a steep decline from 154, 936 ounces of gold in the comparative quarter in 2011 due to the revised mine plan and an unexpected amount of till waste during the restart of the mill process in October.

FORBES: Third Quarter Operational and Financial Results

Further alterations were later made, including changes to the mill's second waterwheel to drive a surface water pump and haul trucks from a neighbouring gypsum mine.

BBC: Cumbria's Acorn Bank Mill grinds first flour for 70 years

With weather delays, poor deposit grades, worker strikes and mill problems, Macquarie forecasted at the start of 2011 that roughly 700, 000 tons of copper mine production could be lost to disruptions.

FORBES: Supply Pinch Could Prop Up Price Of Copper