201014 Technical Report on Wafi-Golpu Project As of 30 June 2020
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WAFI–GOLPU PROJECT MOROBE PROVINCE, PAPUA NEW GUINEA NI 43-101 Technical Report Report Prepared For: Newcrest Mining Limited. Qualified Persons: Mr. Kevin Gleeson, FAusIMM Mr. Pasqualino Manca, FAusIMM Mr. Daniel Curry, FAusIMM Mr. Craig Jones, FAusIMM. Report Effective Date: 30 June, 2020. CERTIFICATE OF QUALIFIED PERSON I, Kevin Gleeson, FAusIMM, am employed as the Head of Mineral Resource Management with Newcrest Mining Limited (Newcrest), situated at Level 8, 600 St Kilda Road, Melbourne, Victoria, 3004, Australia. This certificate applies to the technical report titled “Wafi–Golpu Project, Morobe Province, Papua New Guinea, NI 43-101 Technical Report” that has an effective date of 30 June, 2020 (the technical report). I am a Fellow of the Australasian Institute of Mining and Metallurgy (FAusIMM). I graduated with a Bachelor of Science (Hons) from the University of Melbourne, Victoria Australia, in 1987. I have practiced my profession for over 30 years since graduation. I have been directly involved in exploration, interpretation, geological evaluation, development of resource models, ore control, and reconciliation for both open pit and underground mining in Australia, Papua New Guinea, and Indonesia. I have been directly involved in pre- feasibility and feasibility studies for gold and gold–copper deposits, and I currently manage a team of resource modellers and ore deposit knowledge specialists. 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) for those sections of the technical report that I am responsible for preparing. I visited the Wafi-Golpu Project for a four-day period, from 14–17 May, 2012. I am responsible for Sections 1.1 to 1.8, 1.10, 1.11, 1.25; Section 2; Section 3; Section 4; Section 5; Section 6; Section 7; Section 8; Section 9; Section 10; Section 11; Section 12; Section 14; Section 23; Section 24; Sections 25.1 to 25.4, 25.6; Section 26; and Section 27 of the technical report. I am not independent of Newcrest, as independence is described by Section 1.5 of NI 43–101. I have been involved with the Wafi–Golpu Project since 2012 in my current role as the Head of Mineral Resource Management. 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. Page 1 of 2 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: 13 October, 2020 “Signed” Kevin Gleeson, FAusIMM. Page 2 of 2 CERTIFICATE OF QUALIFIED PERSON I, Pasqualino (Lino) Manca, FAusIMM, am employed as the Group Manager – Mining Studies with Newcrest Mining Limited (Newcrest), situated at Level 8, 600 St Kilda Road, Melbourne, Victoria, 3004, Australia. This certificate applies to the technical report titled “Wafi–Golpu Project, Morobe Province, Papua New Guinea, NI 43-101 Technical Report” that has an effective date of 30 June 2020 (the technical report). I am a Fellow of the Australasian Institute of Mining and Metallurgy (FAusIMM). I graduated from the Darling Downs Institute of Advanced Education in 1987 with an Associate Diploma in Applied Science (Surveying), from the University of Ballarat in 2002 with a Graduate Diploma in Mining, and from the University of Melbourne in 2010 with a Master of Enterprise (Executive) degree. I have practiced my profession since 1987 in Australia and Papua New Guinea. I have been directly involved in managing mining and underground engineering and geotechnical studies, mining research and development projects; supervision of cost estimation, cost control and economic analyses for mine planning, and project evaluations; supervision of infrastructure, environmental and social studies and their integration with major mining studies; preparation and delivery of underground short-, medium- and long-term mine designs and schedules; drill and blast designs; and provision of technical support for caving operations. 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) for those sections of the technical report that I am responsible for preparing. I have visited the Wafi–Golpu Project on a number of occasions, most recently for a day- long visit on 7 November, 2018. I am responsible for Sections 1.1, 1.2, 1.12, 1.13, 1.14, 1.16 to 1.25; Section 2; Section 3; Section 15; Section 16; Section 18; Section 19; Section 20; Section 21; Section 22; Sections 25.1, 25.7, 25.8, 25.10 to 25.17; Section 26; and Section 27 of the technical report. I am not independent of Newcrest, as independence is described by Section 1.5 of NI 43–101. Page 1 of 2 I have been involved with the Wafi–Golpu Project since 2015 in my role as the study manager for the most recent feasibility and pre-feasibility studies completed on the project. 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: 13 October, 2020 “Signed” Pasqualino (Lino) Manca, FAusIMM. Page 2 of 2 CERTIFICATE OF QUALIFIED PERSON I, Daniel Curry, FAusIMM, am employed as the Head of Mineral Processing with Newcrest Mining Limited (Newcrest), situated at 600 St Kilda Road, Melbourne, Victoria 3004, Australia. This certificate applies to the technical report titled “Wafi–Golpu Project, Morobe Province, Papua New Guinea, NI 43-101 Technical Report” that has an effective date of 30 June 2020 (the technical report). I am a Fellow of the Australasian Institute of Mining and Metallurgy (FAusIMM). I graduated from Western Australian School of Mines (Curtin University) with Bachelor of Science degree in Extractive Metallurgy in 1995. I have practiced my profession for 25 years. I have been directly involved in the design and operation of mineral processing plants for precious and base metals in Australasia, Africa, and South America. 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) for those sections of the technical report that I am responsible for preparing. I have not visited the Wafi–Golpu Project. I am responsible for Sections 1.1, 1.2, 1.9, 1.15, 1.18, 1.25; Section 2; Section 3; Section 13; Section 17; Section 19; Sections 25.1, 25.5, 25.9, 25.12; Section 26; and Section 27 of the technical report. I am not independent of Newcrest, as independence is described by Section 1.5 of NI 43–101. I have been involved with the Wafi–Golpu Project since 2019 when joining Newcrest in my role as the Head of Mineral Processing. 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. Page 1 of 2 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: 13 October, 2020 “Signed” Daniel Curry, FAusIMM. Page 2 of 2 CERTIFICATE OF QUALIFIED PERSON I, Craig Jones, FAusIMM, am employed as the Chief Operating Officer, Papua New Guinea, with Newcrest Mining Limited (Newcrest), situated at Level 8, 600 St Kilda Rd, Melbourne, Victoria, Australia. This certificate applies to the technical report titled “Wafi–Golpu Project, Morobe Province, Papua New Guinea, NI 43-101 Technical Report” that has an effective date of 30 June, 2020 (the technical report). I am a Fellow of the Australasian Institute of Mining and Metallurgy (FAusIMM, # 337492). I graduated from the University of Newcastle, New South Wales, in 1995 with a Bachelor of Engineering degree. I have practiced my profession for 25 years. I have been involved in minesite management in Papua New Guinea, and have held executive management roles for mine and business units in Australia, Indonesia, and Papua New Guinea. I have also been involved in development roles in project and asset management, and have managed and led mining, prefeasibility and feasibility studies. 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 visited the Wafi–Golpu Project most recently from 25 to 26 February, 2019. I am responsible for Sections 1.1, 1.2, 1.4, 1.17, 1.18, 1.23, 1.24, 1.25; Section 2; Section 3; Sections 4.10, 4.12; Section 19; Section 20; Sections 25.1, 25.2, 25.11, 25.12, 25.16, 25.17; Section 26; and Section 27 of the technical report. I am not independent of Newcrest, as independence is described by Section 1.5 of NI 43–101. I have been involved with the Wafi–Golpu Project since 2012 as in my role Executive General Manager Projects and later as later as Chief Operating Officer, Papua New Guinea.