

For the Years Ended December 31,	Wassa		Prestea			Other			Corporate			Total
2018
Revenue	183,078		89,939			—			—			273,017
Mine operating expenses	86,916		89,112			—			—			176,028
Severance charges	4,970		9,888			—			—			14,858
Operating costs from metal inventory	7,184		5,702			—			—			12,886
Inventory net realizable value adjustment and write-off	3,684		1,971			—			—			5,655
Royalties	9,508		4,794			—			—			14,302
Cost of sales excluding depreciation and amortization	112,262		111,467			—			—			223,729
Depreciation and amortization	22,066		11,873			—			—			33,939
Mine operating margin/(loss)	48,750		(33,401		)	—			—			15,349
Income tax expense	12,350		—			—			—			12,350
Net income/(loss) attributable to non-controlling interest	3,043		(8,991		)	—			—			(5,948		)
Net income/(loss) attributable to Golden Star	27,994		(25,351		)	(8,543		)	(12,223		)	(18,123		)

Capital expenditures	35,420		11,414			—			—			46,834

2017
Revenue	$	167,376	$	148,121		$	—		$	—		$	315,497
Mine operating expenses	115,625		81,753			—			—			197,378
Severance charges	6,316		2,916			—			—			9,232
Operating costs from/(to) metal inventory	5,080		(4,913		)	—			—			167
Inventory net realizable value adjustment and write-off	2,410		—			—			—			2,410
Royalties	8,652		8,643			—			—			17,295
Cost of sales excluding depreciation and amortization	138,083		88,399			—			—			226,482
Depreciation and amortization	20,052		11,740			—			—			31,792
Mine operating margin	9,241		47,982			—			—			57,223
Net income attributable to non-controlling interest	1,693		495			—			—			2,188
Net income/(loss) attributable to Golden Star	$	17,644	$	50,050		$	(3,701	)	$	(25,222	)	$	38,771

Capital expenditures	$	21,583	$	48,055		$	—		$	—		$	69,638

Segmented Assets

The following table presents the segmented assets: