Boliden — Financial Supplement Data 2017

Feb 14, 2018

Mineral reserves, 31 December 2017

		Quantity, ktonnes	2017
		2017	2016	Au g/t	Ag g/t	Cu %	Zn %	Pb %	Ni1) %	Co %	Pt g/t	Pd g/t	Te g/t
Aitik	Proven	801,000	823,000	0.15	1.3	0.22
		Probable 360,000	371,000	0.14	1.2	0.23
The Boliden Area
Sulphide mineralisations
Kristineberg	Proven	20	50	0.9	48	2.4	1.9	0.1
	Probable	4,880	4,900	0.5	34	0.5	5.6	0.3
Renström	Proven	190	200	2.4	133	0.4	6.2	1.2
	Probable	2,380	3,220	1.9	102	0.6	4.5	0.8
Maurliden	Proven	170	500	1.5	49	0.4	4.2	0.3
	Probable
Total	Proven	380	760	1.9	91	0.5	5.1	0.7
Sulphide mineralisations Probable		7,300	8,150	0.9	56	0.5	5.2	0.5
Gold mineralisations
Kankberg	Proven	2,400	2,400	3.8	11								181
	Probable	2,100	1,200	3.5	10								168
Garpenberg	Proven	21,900	19,700	0.24	109	0.04	3.6	1.4
	Probable	55,800	56,700	0.34	96	0.05	2.9	1.4
Kevitsa	Proven	71,400	79,100	0.10		0.34			0.21	0.010	0.19	0.12
	Probable	62,400	67,700	0.10		0.34			0.24	0.010	0.21	0.14
Kylylahti	Proven	1,000	800	0.9		1.2	0.6		0.21	0.24
	Probable	700	1,100	1.5		0.5	0.2		0.29	0.15
Tara	Proven	2,900	4,200				6.7	1.6
	Probable	16,600	12,300				5.7	1.4

1) Kevitsa reports sulphur-bound Ni and Co. Figures may be rounded up or down.

Mineral resources, 31 December 2017

		Quantity, ktonnes	2017
				Au	Ag	Cu	Zn	Pb	Ni1)	Co	Pt	Pd	Te2)	Mo
		2017	2016	g/t	g/t	%	%	%	%	%	g/t	g/t	g/t	g/t
The Aitik area
Aitik	Measured	240,000	252,000	0.09	0.8	0.15
	Indicated	1,116,000 1,313,000		0.09	0.8	0.17
	Inferred	180,000	281,000	0.11	0.6	0.14
Nautanen	Measured
	Indicated	8,200	9,600	0.9	5.0	1.7								86
	Inferred	7,500	6,400	0.6	7.0	1.5								81
The Boliden Area
Sulphide mineralisations
Kristineberg	Measured	50	50	0.7	45	1.3	4.2	0.2
	Indicated	5,040	4,630	0.4	61	0.9	4.6	0.5
	Inferred	7,400	7,990	0.4	55	0.8	2.8	0.4
Petiknäs N	Measured	310	310	8.1	73	1.8	3.1	0.3
	Indicated	1,200	1,200	2.7	52	0.6	1.8	0.3
	Inferred	720	720	3.3	33	0.5	1.2	0.2
Renström	Measured
	Indicated	2,850	2,000	2.4	146	0.3	8.1	1.5
	Inferred	1,570	1,990	2.4	173	0.3	9.9	1.8
Maurliden	Measured	620	670	1.1	41	0.6	2.8	0.2
	Indicated	220	260	0.7	20	0.4	1.5	0.1
	Inferred
Total	Measured	1,000	1,000	3.3	51	1.0	2.9	0.2
Sulphide mineralisations	Indicated	9,300	8,300	1.3	85	0.7	5.3	0.7
	Inferred	9,700	10,700	0.9	73	0.7	3.8	0.6
Gold mineralisations
Kankberg	Measured	190	290	3.8	8								130
	Indicated	310	850	4.7	8								117
	Inferred	1,360	1,580	5.5	8								168
Älgträsk	Measured
	Indicated	1,070	1,070	2.8	5
	Inferred	3,520	3,520	2.0	4
Total	Measured	190	290	3.8	8
Gold mineralisations	Indicated	1,400	1,900	3.2	5
	Inferred	4,900	5,100	3.0	5
Garpenberg	Measured	5,700	6,600	0.29	99	0.06	3.7	1.7
	Indicated	35,500	34,900	0.33	86	0.05	2.7	1.3
	Inferred	17,000	18,100	0.53	58	0.08	2.7	1.7
Kevitsa	Measured	19,100	17,900	0.08		0.33				0.21 0.010	0.16	0.11
	Indicated	102,800	93,900	0.07		0.36				0.23 0.011	0.13	0.08
	Inferred	56,100	54,400	0.06		0.32				0.20 0.010	0.12	0.07
Kylylahti	Measured	1,900	1,900	0.3		0.66	0.3		0.23	0.14
	Indicated	3,900	3,200	0.4		0.34	0.2		0.27	0.12
	Inferred	150	100	0.0		0.28	0.1		0.27	0.08
Tara	Measured	400	400				5.6	2.3
	Indicated	6,200	3,800				6.2	1.9
	Inferred	15,500	13,600				7.5	1.9
Laver	Measured	1,100	1,100	0.11	4.4	0.20								18
	Indicated	512,400	512,400	0.13	3.1	0.22								36
	Inferred	550,600	550,600	0.10	3.1	0.21								33
Rockliden	Measured
	Indicated	800	800	0.08	102	2.1	4.4	0.90
	Inferred	9,200	9,200	0.06	47	1.7	3.9	0.40

1) Kevitsa reports sulphur-bound Ni and Co. 2) Te at Kankberg only. Figures may be rounded up or down.