SEGMENT AND RELATED INFORMATION: (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of income and assets by segments

	Three Months Ended March 31, 2013
	(in millions)
	Mexican Open-Pit		Mexican IMMSA Unit		Peruvian Operations		Corporate, other and eliminations			Consolidated

Net sales outside of segments	$	862.6	$	89.9	$	670.5	—			$	1,623.0
Intersegment sales	—		32.0		—		$	(32.0	)	—
Cost of sales (exclusive of depreciation, amortization and depletion)	380.7		73.1		316.9		(44.0		)	726.7
Selling, general and administrative	8.8		3.8		12.1		0.7			25.4
Depreciation, amortization and depletion	40.2		6.7		41.4		2.3			90.6
Exploration	0.9		6.1		3.3		—			10.3
Operating income	$	432.0	$	32.2	$	296.8	$	9.0		770.0
Less:
Interest, net										(47.1		)
Other income (expense)										0.8
Income taxes										(234.9		)
Equity earnings of affiliate										8.2
Non-controlling interest										(1.6		)
Net income attributable to SCC										$	495.4

Capital expenditure	$	250.6	$	17.9	$	39.3	$	9.0		$	316.8
Property, net	$	2,694.0	$	359.7	$	2,213.9	$	81.6		$	5,349.2
Total assets	$	4,647.7	$	892.7	$	3,425.1	$	1,811.4		$	10,776.9

	Three Months Ended March 31, 2012
	(in millions)
	Mexican Open-Pit		Mexican IMMSA Unit		Peruvian Operations		Corporate, other and eliminations			Consolidated

Net sales outside of segments	$	878.8	$	100.6	$	826.5	$	—		$	1,805.9
Intersegment sales	—		37.9		—		(37.9		)	—
Cost of sales (exclusive of depreciation, amortization and depletion)	319.6		75.5		359.2		(32.4		)	721.9
Selling, general and administrative	8.7		3.6		12.5		0.6			25.4
Depreciation, amortization and depletion	33.6		6.3		39.0		(2.0		)	76.9
Exploration	0.7		6.2		1.8		—			8.7
Operating income	$	516.2	$	46.9	$	414.0	$	(4.1	)	973.0
Less:
Interest, net										(40.5		)
Other income (expense)										7.2
Income taxes										(318.8		)
Equity earnings of affiliate										2.6
Non-controlling interest										(2.1		)
Net income attributable to SCC										$	621.4

Capital expenditure	$	135.1	$	14.4	$	27.9	$	—		$	177.4
Property, net	$	1,913.7	$	327.7	$	2,204.0	$	50.5		$	4,495.9
Total assets	$	3,849.7	$	764.5	$	3,170.5	$	709.2		$	8,493.9

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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