201014 Technical Report on Cadia Operations As of 30 June 2020
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CADIA OPERATIONS NEW SOUTH WALES, AUSTRALIA NI 43-101 Technical Report Report Prepared For: Newcrest Mining Limited. Qualified Persons: Mr. Kevin Gleeson, FAusIMM Mr. Geoffrey Newcombe, FAusIMM Mr. Paul Griffin, FAusIMM Mr. Philip Stephenson, 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 “Cadia Operations, New South Wales, Australia, 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 have visited the Cadia Operations on numerous occasions, most recently for the duration of a day on 5 November, 2019. I am responsible for Sections 1.1 to 1.8, 1.10, 1.11, 1.24; 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 Cadia Operations since 2012 in my 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, Geoffrey Newcombe, FAusIMM, am employed as the PC1-2 Study Manager with Newcrest Mining Limited (Newcrest), situated at Level 8, 600 St Kilda Rd, Melbourne, Victoria, Australia. This certificate applies to the technical report titled “Cadia Operations, New South Wales, Australia, 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 University of Queensland in 1998 with a Bachelor of Engineering Degree specialising in Mining. I have practiced my profession for 22 years. I have been involved in the engineering, planning, and operations of underground gold and base metal mines in Australia and Fiji. I have been directly involved in managing pre-feasibility and feasibility studies. I have managed 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; 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 am directly employed at the Cadia Operations, and have been since November 2011. This familiarity with the operations serves as my personal inspection for the purposes of the technical report. I am responsible for Sections 1.1, 1.2, 1.12, 1.13, 1.14, 1.16 to 1.24; 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 Cadia Operations since 2011 as the study manager for various internal feasibility and pre-feasibility studies. 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” Geoffrey Newcombe, FAusIMM. Page 2 of 2 CERTIFICATE OF QUALIFIED PERSON I, Paul Griffin, FAusIMM, am employed as the Group Manager – Processing – Governance and Assurance, with Newcrest Mining Limited (Newcrest), situated at Level 8, 600 St Kilda Rd, Melbourne, Victoria, Australia. This certificate applies to the technical report titled “Cadia Operations, New South Wales, Australia, 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 Engineering (Chemical) degree from the University of Adelaide in 1988, and a Master of Enterprise (Executive) degree from the University of Melbourne in 2006. I have practiced my profession for 32 years. I have been directly involved in base metals, gold and iron ore projects and operations in Australia, Papua New Guinea, Indonesia and Africa. I have been involved with operations management, process plant design and commissioning, operational performance reviews, comminution and flotation expansion designs, reviews and implementation, and have provided direction and guidance on geo- metallurgical testwork programs. 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. My most recent visit to the Cadia Operations was from 28 October to 1 November 2019, a duration of five days. I am responsible for Sections 1.1, 1.2, 1.9, 1.15, 1.18, 1.24; 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 Cadia Operations since 2001 in various roles including Processing Plant Manager (Cadia-based, 2006–2009) and later as Group Manager – Processing – Governance and Assurance. Page 1 of 2 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” Paul Griffin, FAusIMM. Page 2 of 2 CERTIFICATE OF QUALIFIED PERSON I, Philip Stephenson, FAusIMM am employed as the Chief Operating Officer, Australia and Americas, with Newcrest Mining Limited (Newcrest), situated at Level 8, 600 St Kilda Rd, Melbourne, Victoria, Australia. This certificate applies to the technical report titled “Cadia Operations, New South Wales, Australia, 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, #112873). I graduated from James Cook University in North Queensland in 1987 with a Bachelor of Science degree, and from LaTrobe University, Victoria, with a Graduate Diploma of Mineral Processing Technology. I have practiced my profession for 34 years. I have been involved in mine site management in Australia and Papua New Guinea, and have held executive management roles for business units in Australasia, West Africa, Indonesia and Canada. I have also been involved in development roles in corporate health, safety and environment, security, business improvement and project management. 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 Cadia Operations most recently from 14–16 January 2020. I am responsible for Sections 1.1, 1.2, 1.4, 1.17, 1.18,1.22, 1.23, 1.24; 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.