STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2016

Activity in treasury stock in the years 2016 and 2015 was as follows (in millions):

	2016			2015
Southern Copper common shares
Balance as of January 1,	$	2.697.6		$	1,693.5
Purchase of shares		71.7			1,004.4
Used for corporate purposes		(0.3	)		(0.3	)

Balance as of December 31,		2,769.0			2,697.6

Parent Company (Grupo Mexico) common shares
Balance as of January 1,		211.3			207.1
Other activity, including dividend, interest and foreign currency transaction effect		7.3			4.2

Balance as of December 31,		218.6			211.3

Treasury stock balance as of December 31,	$	2,987.6		$	2,908.9

Schedule of share repurchase program activity

									Maximum Number of Shares that May Yet Be Purchased Under the Plan @ $31.94(1)
Period							Total Number of Shares Purchased as Part of Publicly Announced Plan
Period			Total Number of Shares Purchased		Average Price Paid per Share						Total Cost ($ in millions)
From	To		Total Number of Shares Purchased		Average Price Paid per Share						Total Cost ($ in millions)
2008		2012		46,914,486	$	18.72		46,914,486				878.1
2013:				10,245,000		27.47		57,159,486				281.4
2014:				22,711,428		30.06		79,870,914				682.8
2015:				36,689,052		27.38		116,559,966				1,004.4
2016:
01/01/16		01/31/16		2,235,200		24.05		118,795,166				53.7

Total first quarter				2,235,200		24.05						53.7

08/01/16		08/31/16		115,000		25.88		118,910,166				3.0
09/01/16		09/30/16		587,601		25.55		119,497,767				15.0

Total third quarter				702,601		25.61						18.0

Total 2016				2,937,801		24.42						71.7
Total purchased				119,497,767	$	24.42				2,555,835	$	2,918.4


(1)	NYSE closing price of SCC common shares at December 31, 2016.

Schedule of activity in Directors' Stock Award Plan

	2016			2015
Total SCC shares reserved for the plan		600,000			600,000

Total shares granted at January 1,		(322,800	)		(309,600	)
Granted in the period		(12,000	)		(13,200	)

Total shares granted at December 31,		(334,800	)		(322,800	)

Remaining shares reserved		265,200			277,200

Employee Stock Purchase 2010 Plan

Share based Compensation Plan

Schedule of stock based compensation expense and unrecognized compensation expense

The stock based compensation expense for the years ended December 31, 2016, 2015 and 2014 and the remaining balance of the unrecognized compensation expense under this plan were as follows (in millions):

	2016		2015		2014
Stock based compensation expense	$	0.6	$	0.6	$	0.6
Unrecognized compensation expense	$	0.8	$	1.4	$	2.0

Schedule of stock award activity

	Shares			Unit Weighted Average Grant Date Fair Value
Outstanding shares at January 1, 2016		2,227,582		$	2.05
Granted		—			—
Exercised		(826,486	)		2.05
Forfeited		—			—

Outstanding shares at December 31, 2016		1,401,096		$	2.05


Outstanding shares at January 1, 2015		2,287,891		$	2.05
Granted		—			—
Exercised		(60,309	)		2.05
Forfeited		—			—

Outstanding shares at December 31, 2015		2,227,582		$	2.05

Employee Stock Purchase 2015 Plan

Share based Compensation Plan

Schedule of stock based compensation expense and unrecognized compensation expense

The stock based compensation expense for the years ended December 31, 2016 and 2015 and the unrecognized compensation expense under this plan were as follows (in millions):

	2016		2015
Stock based compensation expense	$	0.6	$	0.4
Unrecognized compensation expense	$	3.8	$	4.4

Schedule of stock award activity

	Shares			Unit Weighted Average Grant Date Fair Value
Outstanding shares at January 1, 2016		2,656,386		$	2.63
Granted		—			—
Exercised		(116,163	)	$	2.63
Forfeited		—			—

Outstanding shares at December 31, 2016		2,540,223		$	2.63


Outstanding shares at January 1, 2015		—			—
Granted		2,656,386		$	2.63
Exercised		—			—
Forfeited		—			—

Outstanding shares at December 31, 2015		2,656,386		$	2.63