Santo Domingo Project Region III, Chile NI 43-101 Technical Report on Feasibility Study Update
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Santo Domingo Project Region III, Chile NI 43-101 Technical Report on Feasibility Study Update Prepared by: Ms Joyce Maycock, P. Eng., Wood Prepared for: Mr. Antonio Luraschi, CMC, Wood Capstone Mining Corp. Mr. Marcial Mendoza, CMC, Wood Dr. Mario Bianchin, P. Geo., Wood Effective Date: Mr. David Rennie, P. Eng., RPA 26 November, 2018 Mr. Carlos Guzman, CMC, NCL Mr. Roger Amelunxen, P. Eng., Aminpro Project Number: Mr. Michael Gingles, QP MMSA, Sunrise Americas M40387 Mr. Tom Kerr, P. Eng., Knight Piésold Mr. Roy Betinol, P. Eng., BRASS. CERTIFICATE OF QUALIFIED PERSON Av. Apoquindo 3846, Piso 15 Las Condes, Santiago 7550123, Chile I, Joyce Maycock, P.Eng., am employed as a Project Manager with Amec Foster Wheeler Ingeniería y Construcción Ltda (doing business as Wood), located at Av. Apoquindo 3846, Piso 15, Las Condes, Santiago, 7550123, Chile. This certificate applies to the technical report titled “Santo Domingo Project, Region III, Chile, NI 43-101 Technical Report on Feasibility Study Update” that has an effective date of 26 November, 2018 (the “technical report”). I am a Professional Engineer in British Columbia (13331). I graduated from the Royal School of Mines, Imperial College, University of London, with a Bachelor of Science (Engineering) degree in Metallurgy in 1969. Since 1969 I have continually been involved in mineral processing operations and projects for precious and base metals in Argentina, Canada, Chile, Peru, and Zambia. From 2009 to date I have worked as report co-ordinator for many prefeasibility and feasibility reports including a feasibility study for Santo Domingo; for feasibility studies for Mina Justa, Minsur and Zafranal, CMZ in Peru; for a feasibility study for El Espino, Pucobre; for a prefeasibility study for Lobo Marte, Kinross; a feasibility study for Maricunga, Kinross; a feasibility study for Angostura, Greystar; a prefeasibility and feasibility study for Cerro Casale, Barrick/Kinross; a scoping study for Zaldivar Sulphides, Barrick; and a feasibility study for Guanaco for Compañía Minera Guanaco. 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 not visited the Santo Domingo Project. I am responsible for Sections 1.1 to 1.3, 1.15.1, 1.22 to 1.24; Section 2.1 to 2.3 and 2.6 to 2.8; Section 3.1 and 3.2; Section 4; Section 5; Section 13.1.7; Sections 18.1, 18.2.3, 18.6, 18.9, 18.10; Section 23; Section 24; Sections 25.1, 25.11, 25.17; Section 26.1; and Section 27 of the technical report. I am independent of Capstone Mining Corp. as independence is described by Section 1.5 of NI 43–101. I have previously co-authored a technical report on the project, entitled: Maycock, J., Gopfert, H., Rennie D., Guzman, C., Frost, D., Kerr, T., Betinol, R., Klimek, A., and Khera V., 2014: Santo Domingo Project, Region III, Chile, NI 43-101 Technical Report on Feasibility Study: technical report prepared by AMEC International Ingeniería y Construcción Limitada, NCL Ltda, Roscoe Postle Associates Inc., Knight Piésold and Co., and BRASS Chile SA, effective date 22 May, 2014 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 of the effective date of the technical report, to the best of my knowledge, information and belief, the sections of the technical report for which I am responsible contain all scientific and technical information that is required to be disclosed to make the technical report not misleading. Dated: 3 January, 2019 “Signed and sealed” Joyce Maycock, P.Eng. CERTIFICATE OF QUALIFIED PERSON Av. Apoquindo 3846, Piso 15 Las Condes, Santiago 7550123, Chile I, Dr. Antonio Luraschi, CMC, am employed as a Manager of Metallurgical Development with Amec Foster Wheeler Ingeniería y Construcción Ltda. (doing business as Wood), located at Av. Apoquindo 3846, Piso 15, Las Condes, Santiago 7550123, Chile. This certificate applies to the technical report titled “Santo Domingo Project, Region III, Chile, NI 43-101 Technical Report on Feasibility Study Update” that has an effective date of 26 November, 2018 (the “technical report”). I am a Registered Member of the Chilean Institute of Mining Engineers and a Qualified Person (persona competente) with the Chilean Mining Commission, registration number #0188. I graduated from University of Concepcion, Chile, as a Chemical Professional Engineer and Metallurgical Professional Engineer in 1971, and obtained M.Sc. (1973) and Ph.D. (1976) degrees from the Massachusetts Institute of Technology in the United States. I have practiced my profession for 42 years. I have been directly involved in a number of mining and metallurgical projects, specifically in their process and project development and financial analysis, including financial evaluation of several similar mining development projects in recent years. 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 not visited the Santo Domingo Project site. I am responsible for Sections 1.1, 1.15.5, 1.16, 1.18 to 1.21, 1.23 to 1.24; Sections 2.1 to 2.3, 2.5; Section 3; Section 18.11; Section 19; Section 21; Section 22; Section 25.12, 25.14 to 25.16, 25.18; and Section 27 of the technical report. I am independent of Capstone Mining Corp. as independence is described by Section 1.5 of NI 43–101. I have been involved with the Santo Domingo report during preparation of an updated feasibility study. 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 of the effective date of the technical report, to the best of my knowledge, information and belief, the sections of the technical report for which I am responsible contain all scientific and technical information that is required to be disclosed to make the technical report not misleading. Dated: 3 January, 2019 “Signed” Dr Antonio Luraschi, CMC. CERTIFICATE OF QUALIFIED PERSON Av. Apoquindo 3846, Piso 15 Las Condes, Santiago 7550123, Chile I, Marcial Mendoza, CMC., am employed as a Supervising Engineer Process and Technology with Amec Foster Wheeler Ingeniería y Construcción Ltda (doing business as Wood), located at Av. Apoquindo 3846, Piso 15, Las Condes, Santiago, 7550123, Chile. This certificate applies to the technical report titled “Santo Domingo Project, Region III, Chile, NI 43-101 Technical Report on Feasibility Study Update” that has an effective date of 26 November, 2018 (the “technical report”). I am a Qualified Person (persona competente) with the Chilean Mining Commission, registration number #0175. I graduated from University of Concepcion, Chile, as a Metallurgical Professional Engineer in 1984. I have practiced my profession for 34 years. During this time I have been directly involved in, and Supervised, the design of metallurgical testwork programs and pilot plant testing, in designing process Flowsheets and selection of mineral processing equipment. I have been directly involved in process Engineering design and construction for copper projects in Chile. 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 not visited the Santo Domingo Project. I am responsible for Sections 1.1, 1.8, 1.14.1, 1.14.2 to 1.14.9, Sections 2.1 to 2.3; Sections 3.1, 3.2; Sections 13.1.1 to 13.1.6; 13.2 to 13.5, Section 17; Section 18.5.2, Sections 25.6, 25.10, Section 26.4 and Section 27 of the technical report. I am independent of Capstone Mining Corp. as independence is described by Section 1.5 of NI 43–101. I have been involved with the Santo Domingo report during preparation of an updated feasibility study. 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 of the effective date of the technical report, to the best of my knowledge, information and belief, the sections of the technical report for which I am responsible contain all scientific and technical information that is required to be disclosed to make the technical report not misleading. Dated: 3 January, 2019 “signed” Marcial Mendoza, CMC. CERTIFICATE OF QUALIFIED PERSON #600 – 4445 Lougheed Hwy Burnaby, BC, V5C 0E4 Canada I, Dr Mario Bianchin, P.Geo., am employed as a Senior Associate Hydrogeologist with Wood Canada Limited (doing business as Wood), located at #600 – 4445 Lougheed Hwy, Burnaby, BC, V5C 0E4, Canada This certificate applies to the technical report titled “Santo Domingo Project, Region III, Chile, NI 43-101 Technical Report on Feasibility Study Update” that has an effective date of 26 November, 2018 (the “technical report”). I am a Professional Geoscientist with Engineers and Geoscientists of British Columbia, membership #39051. In addition, I am a Professional Geoscientist with the Association of Professional Engineers and Geoscientists of Alberta, membership #201901. I graduated with a PhD in Hydrology from the University of British Columbia in 2010. I have practiced my profession for 18 years. I have been directly involved in environmental baseline studies, water and water management scopes for mining projects since 2010. 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 not visited the Santo Domingo Project.