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NI 43-101 Technical Report Red Dog Mine Alaska, USA

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NI 43-101 Technical Report Red Dog Mine Alaska, USA NI 43-101 Technical Report Red Dog Mine Alaska, USA Report prepared for Teck Resources Limited Effective Date: 31 December 2016 Report Date: 21 February 2017 Qualified Persons: Thomas Krolak, RM SME Kevin Palmer, P.Geo. Brigitte Lacouture, PE Norman Paley, PE NI43-101 Technical Report Page i of i Certificate of Qualified Person Thomas Krolak, RM SME Tel: 907-754-5175 Email: [email protected] Teck Alaska Incorporated 3105 Lakeshore Drive Building A, Suite 101 Anchorage, AK USA 99517 I, Thomas Krolak, RM SME, am employed as the Principal Geologist, Reserves for Teck Alaska Incorporated, a subsidiary of Teck Resources Limited (“Teck”) at the Red Dog Mine. This certificate applies to the report titled “NI 43-101 Technical Report, Red Dog Mine, Alaska, USA” with an effective date of 31 December, 2016 (the “Report”). I graduated from the University of Missouri at Rolla with a Bachelor of Science (B.S.) degree in Geology in 1985. I am a Registered Member in good standing of the Society for Mining, Metallurgy and Exploration (RM SME; #4170226) and a Registered Geologist in the State of Missouri (#643). Since 1987 I have been employed in the United States as a geologist at zinc and lead mining operations. I have been responsible for reporting reserves and resources for the Red Dog Mine since 2001. I have worked at the Red Dog Mine since 1991, and this familiarity with the operations serves as my scope of personal inspection. As a result of my experience and qualifications, I am a Qualified Person as defined in National Instrument 43-101 Standards of Disclosure for Mineral Projects (“NI 43-101”). I am responsible for items 1.1-1.7, 1.9, 1.15, 2, 4, 5, 6, 7.1, 7.2, 7.4, 7.5, 8, 9, 10, 11, 12, 14.1- 14.4, 14.6-14.10, 15, 23, 24, 25.1, 25.2, 25.4, 25.5, 25.7, 25.8, 26, and 27. I am not independent of the issuer, Teck, as described in section 1.5 of NI 43-101. I have read NI 43–101 and the sections of the technical report for which I am responsible have been prepared in compliance with that Instrument. As at the effective date of the Report, to the best of my knowledge, information, and belief, the sections of the Report that I am responsible for contain all scientific and technical information that is required to be disclosed to make the Report not misleading. Dated: 21 February 2017 “signed and stamped” Thomas Krolak, RM SME NI43-101 Technical Report Page i of xiv Red Dog Mine Certificate of Qualified Person Kevin Palmer, P.Geo. Tel: 604-699-4047 Email: [email protected] Teck Resources Limited Suite 3300, 550 Burrard St. Vancouver, BC Canada V6C 0B3 I, Kevin Palmer am employed as a Principal Geostatistician for Teck Resources Limited (“Teck”). This certificate applies to the report titled “NI 43-101 Technical Report, Teck Resources Limited, Red Dog Mine 2016 Update (the “Report”) with an effective date of 31 December, 2016 (the “Report”). I graduated from the University of the Witwatersrand, Johannesburg, South Africa in 1984 with a Bachelor of Science Honours (B.Sc. (Hons)) degree in Geology. I am a member of the Association of Professional Engineers and Geoscientists of British Columbia, member # 30020. I have worked in underground and open pit base metal mines for 14 years and have been performing mineral resource estimates for 12 years. These estimates have included zinc deposits in Peru and Alaska, USA. As a result of my experience and qualifications, I am a Qualified Person as defined in National Instrument 43–101 Standards of Disclosure for Mineral Projects (“NI 43–101”). I have visited the Red Dog Mine site on a regular basis since 2012. My most recent visit was from the 27th July until the 3rd August 2016. I am responsible for items 1.9, 1.15, 2, 3, 7.3, 14.1-14.4, 14.6-14.10, 25.1, 25.7, 26, and 27. I am not independent of the issuer, Teck, as described in section 1.5 of NI 43-101. I have read NI 43–101 and the sections of the technical report for which I am responsible have been prepared in compliance with that Instrument. As at the effective date of the Report, to the best of my knowledge, information, and belief, the parts of the Report that I am responsible for contain all scientific and technical information that is required to be disclosed to make the Report not misleading. Dated: 21 February 2017 ”signed and sealed” Kevin Palmer, P.Geo. NI43-101 Technical Report Page ii of xiv Red Dog Mine Certificate of Qualified Person Brigitte Lacouture, PE Tel: 907-754-5209 Email: [email protected] Teck Alaska Incorporated 3105 Lakeshore Drive Building A, Suite 101 Anchorage, AK USA 99517 I, Brigitte Lacouture, PE, am employed as Operating Superintendent, Mill with Teck Alaska Incorporated, a subsidiary of Teck Resources Limited (“Teck”). This certificate applies to the report titled “NI 43-101 Technical Report, Red Dog Mine, Alaska USA” that has an effective date of 31 December, 2016 (the “Report”). I graduated with a Bachelor of Engineering (B. Eng.) degree from McGill University in 1987 and a Master of Engineering Science (M.EngSc.) degree from the University of Queensland in 1989. I am a registered professional engineer in the mining and mineral processing discipline in the state of Alaska. My license number is EM13665. I have worked as a mineral processing engineer for over 25 years mostly in base metal mineral processing. I have practiced my profession since 1989. I have been directly involved in geo- metallurgy and flow sheet design of Pb/Zn concentrators at both Mt Isa Mines and the Red Dog Mine. I have obtained operational metallurgical experience with increasingly senior and supervisory roles at both these sites. I have worked at the Red Dog Mine since 1996, and this familiarity with the operations serves as my scope of personal inspection. As a result of my experience and qualifications, I am a Qualified Person as defined in National Instrument 43–101 Standards of Disclosure for Mineral Projects (“NI 43–101”). I am responsible for items in sections 1.8, 1.11, 1.15, 2, 13, 17, 25.1, 25.6, 25.10, 26, and 27. I am not independent of the issuer, Teck, as described in section 1.5 of NI 43-101. I have read NI 43–101 and the sections of the technical report for which I am responsible have been prepared in compliance with that Instrument. As at the effective date of the Report, to the best of my knowledge, information, and belief, the parts of the Report that I am responsible for contain all scientific and technical information that is required to be disclosed to make the Report not misleading. Dated: 21 February 2017 ”signed and sealed” Brigitte Lacouture, PE NI43-101 Technical Report Page iii of xiv Red Dog Mine Certificate of Qualified Person Norman Paley, PE Tel: 907-754-5105 Email: [email protected] Teck Alaska Incorporated 3105 Lakeshore Drive Building A, Suite 101 Anchorage, AK USA 99517 I, Norman Paley, PE, am employed as Principal Engineer, Long Range Planning for Teck Alaska Incorporated, a subsidiary of Teck Resources Limited (“Teck”). This certificate applies to the report titled “NI 43-101 Technical Report, Red Dog Mine, Alaska, USA” that has an effective date of 31 December, 2016 (the “Report”). I graduated with a Bachelor of Engineering (B. Eng) degree from McGill University in 1987 and a Master of Engineering Science (M.EngSc.) degree from the University of Queensland in 1989. I am a registered professional engineer in the mining and mineral processing discipline in the state of Alaska. My license number is EM14068. I have worked as a mining engineer for over 25 years mostly in base metal open pit and underground mines. I have practiced my profession since 1989. I have been directly involved in both Mineral Resource and Mineral Reserve estimation, life of mine planning, pit optimization, open pit geotechnical investigations, mining operations feasibility studies, and mining capital and operating cost estimation. I have worked at the Red Dog Mine since 1996, and this familiarity with the operations serves as my scope of personal inspection. As a result of my experience and qualifications, I am a Qualified Person as defined in National Instrument 43–101 Standards of Disclosure for Mineral Projects (“NI 43–101”). I am responsible for items in sections 1.9-1.10, 1.12-1.15, 2, 14.5, 14.8, 15, 16, 18, 19, 20, 21, 22, 25.1, 25.3, 25.7-25.9, 25.11-25.14, 26, and 27. I am not independent of the issuer, Teck, as described in section 1.5 of NI 43-101. I have read NI 43–101 and the sections of the technical report for which I am responsible have been prepared in compliance with that Instrument. As at the effective date of the Report, to the best of my knowledge, information, and belief, the parts of the Report that I am responsible for contain all scientific and technical information that is required to be disclosed to make the Report not misleading. Dated: 21 February 2017 “signed and sealed” Norman Paley, PE NI43-101 Technical Report Page iv of xiv Red Dog Mine Cautionary Statement on Forward Looking Information This Report includes forward-looking statements. All statements other than of historical fact regarding Teck or Red Dog are forward-looking statements.
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