

	Cost							Accumulated depreciation							Net carrying value
	Balance at Dec. 31, 2017	Additions	Disposals / write-offs / impairments		Reclass		Balance at Dec. 31, 2018	Balance at Dec. 31, 2017		Depreciation		Disposals / write-offs	Balance at Dec. 31, 2018		As at Dec. 31, 2018	As at Dec. 31, 2017
	$	$	$		$		$	$		$		$	$		$	$

Property, plant and equipment (depletable)
Fekola	1,094,784	71,767	(325	)	2,265		1,168,491	(35,477	)	(108,895	)	37	(144,335	)	1,024,156	1,059,307
Otjikoto	527,069	52,386	(4,328	)	—		575,127	(163,153	)	(76,608	)	1,182	(238,579	)	336,548	363,916
Masbate	625,722	56,598	(811	)	—		681,509	(193,925	)	(54,907	)	811	(248,021	)	433,488	431,797
Libertad	335,651	31,544	(51,626	)	—		315,569	(263,838	)	(32,501	)	624	(295,715	)	19,854	71,813
Limon	173,358	30,836	13,069		—		217,263	(127,740	)	(22,124	)	323	(149,541	)	67,722	45,618
	2,756,584	243,131	(44,021	)	2,265		2,957,959	(784,133	)	(295,035	)	2,977	(1,076,191	)	1,881,768	1,972,451

Exploration & evaluation properties (non-depletable)
Kiaka	69,989	2,697	—		487		73,173	—		—		—	—		73,173	69,989
Fekola Regional	17,211	4,692	—		—		21,903	—		—		—	—		21,903	17,211
Toega	10,603	8,978	—		—		19,581	—		—		—	—		19,581	10,603
Mocoa Royalty	29,041	7	(18,186	)	(632	)	10,230	—		—		—	—		10,230	29,041
Ondundu	5,246	3,027	—		—		8,273	—		—		—	—		8,273	5,246
Finland	2,991	2,956	—		—		5,947	—		—		—	—		5,947	2,991
Other	15,890	5,779	(7,640	)	(487	)	13,542	—		—		—	—		13,542	15,890
	150,971	28,136	(25,826	)	(632	)	152,649	—		—		—	—		152,649	150,971

Corporate
Office, furniture & equipment	2,264	254	—		—		2,518	(1,553	)	(285	)	—	(1,838	)	680	711

	2,909,819	271,521	(69,847	)	1,633		3,113,126	(785,686	)	(295,320	)	2,977	(1,078,029	)	2,035,097	2,124,133

Investments in joint ventures (accounted for using the equity method)
Gramalote	65,830	6,248	—		—		72,078	—		—		—	—		72,078	65,830
	2,975,649	277,769	(69,847	)	1,633		3,185,204	(785,686	)	(295,320	)	2,977	(1,078,029	)	2,107,175	2,189,963



	Cost							Accumulated depreciation							Net carrying value
	Balance at Dec. 31, 2016	Acquisition costs/ Additions	Disposals / write-offs		Reclass		Balance at Dec. 31, 2017	Balance at Dec. 31, 2016		Depreciation		Disposals / write-offs	Balance at Dec. 31, 2017		As at Dec. 31, 2017	As at Dec. 31, 2016
	$	$	$		$		$	$		$		$	$		$	$

Property, plant and equipment (depletable)
Fekola	—	26,577	—		1,068,207		1,094,784	—		(35,477	)	—	(35,477	)	1,059,307	—
Otjikoto	481,378	46,193	(2,966	)	2,464		527,069	(95,698	)	(67,680	)	225	(163,153	)	363,916	385,680
Masbate	517,457	56,815	(9,430	)	60,880		625,722	(165,224	)	(37,999	)	9,298	(193,925	)	431,797	352,233
Libertad	300,816	35,190	(355	)	—		335,651	(226,488	)	(37,425	)	75	(263,838	)	71,813	74,328
Limon	151,186	23,420	(1,248	)	—		173,358	(107,255	)	(21,610	)	1,125	(127,740	)	45,618	43,931
	1,450,837	188,195	(13,999	)	1,131,551		2,756,584	(594,665	)	(200,191	)	10,723	(784,133	)	1,972,451	856,172

Undeveloped mineral interests
Masbate	60,880	—	—		(60,880	)	—	—		—		—	—		—	60,880

Mine under construction
Fekola	908,855	159,352	—		(1,068,207	)	—	—		—		—	—		—	908,855

Exploration & evaluation properties (non-depletable)
Kiaka	64,907	5,082	—		—		69,989	—		—		—	—		69,989	64,907
Mocoa	29,004	37	—		—		29,041	—		—		—	—		29,041	29,004
Fekola Regional	9,326	7,885	—		—		17,211	—		—		—	—		17,211	9,326
Toega	4,819	5,784	—		—		10,603	—		—		—	—		10,603	4,819
Ondundu	2,130	3,116	—		—		5,246	—		—		—	—		5,246	2,130
Finland	1,642	1,349	—		—		2,991	—		—		—	—		2,991	1,642
Other	12,134	5,206	(1,450	)	—		15,890	—		—		—	—		15,890	12,134
	123,962	28,459	(1,450	)	—		150,971	—		—		—	—		150,971	123,962

Corporate
Office, furniture & equipment	1,827	437	—		—		2,264	(1,340	)	(213	)	—	(1,553	)	711	487

	2,546,361	376,443	(15,449	)	2,464		2,909,819	(596,005	)	(200,404	)	10,723	(785,686	)	2,124,133	1,950,356

Investments in joint ventures (accounted for using the equity method)
Gramalote	53,724	12,106	—		—		65,830	—		—		—	—		65,830	53,724

	2,600,085	388,549	(15,449	)	2,464		2,975,649	(596,005	)	(200,404	)	10,723	(785,686	)	2,189,963	2,004,080