SIGNIFICANT CUSTOMERS (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2013

Dec. 31, 2012

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Schedule of Significant Customers

The following table indicates customers that represent 10% or more of total sales of metal for the three months ended June 30, 2013 and 2012 (in millions):

Customer	Three months ended June 30,		Three months ended June 30,		Segments reporting sales of metal
	2013		2012
Valcambi	$	27.2	$	148.3	Palmarejo, San Bartolomé
Auramet		44.1		19.9	San Bartolomé, Kensington
Toronto Dominian Bank		34.5		18.3	Palmarejo, Rochester
International Commodities		25.7		7.0	Palmarejo, San Bartolomé, Rochester

The following table indicates customers that represent 10% or more of total sales of metal for the six months ended June 30, 2013 and 2012 (in millions):

Customer	Six months ended June 30,		Six months ended June 30,		Segments reporting sales of metal
	2013		2012
Valcambi	$	39.4	$	256.2	Palmarejo, San Bartolomé
Auramet		68.9		33.5	San Bartolomé, Kensington
Johnson Mathey		44.8		0.9	San Bartolomé, Rochester
International Commodities		40.4		23.8	Palmarejo, San Bartolomé, Rochester

The following table indicates customers that represent 10% or more of total sales of metal for the years December 31, 2012, 2011, and 2010 (in millions):

Customer	Year ended December 31, 2012		Year ended December 31, 2011		Year ended December 31, 2010		Segments reporting revenue
Valcambi	$	414.4	$	385.5	$	174.1	Palmarejo, San Bartolomé
Auramet		94.6		50.8		79.0	Palmarejo
Penoles		0.3		13.3		53.9	Martha
China Gold		43.8		108.9		23.6	Kensington
International Commodities		58.0		112.6		36.7	Palmarejo, San Bartolomé, Rochester
Mitsui		65.6		105.1		45.9	Palmarejo, San Bartolomé, Rochester