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CURRICULUM VITAE OF ADI MARYONO

1. PERSONAL DETAILS

Name : Adi Maryono, Ir., MSc Address : Joglo Pete, Dusun Pete, Majaksingi, Borobudur, Magelang, Central Java, 56553 Phone : +61894573589 (home); +61448678019 (mobile, Australia); +6281288887448 (mobile, Indonesia) Email : [email protected]; [email protected] Place and DoB : Kudus, 12 /12/1964 Prof Organizations : AusIMM Member (Australia), SEG Fellow (USA), AIG Member (Australia), IAGI member (Indonesia), MGEI member and founder (Indonesia), PERHAPI member (Indonesia), Chairman of KCMI (Indonesia). Position & Company : VP Exploration J Resources Nusantara Indonesia Office Address : Equity Tower 48th Floor Jl. Jend. Sudirman Kav 52-53 Lot 9 SCBD Indonesia 12190

CAREER SUMMARY:

Adi Maryono is currently VP Exploration at J Resources with over 30 years of diverse experiences in Au-Cu exploration (BHP, Newmont, Intrepid Mines and J Resources). He was part of the discovery teams at Reko Dig in Pakistan (porphyry Cu-Au); Tombulilato in Indonesia (epithermal Au-Ag), Elang in Indonesia (porphyry Cu-Au); Tujuh Bukit/Tumpangpitu in Indonesia (porphyry Cu-Au and high sulfidation epithermal Au-Ag deposits) and other smaller deposits in Indonesia and Australia.

He holds a BSc in Geology from the University of Gadjah Mada Indonesia (1990), an MSc in Mineral Exploration from the Queen’s University Canada (1996) and is actively associated with a number of professional organizations: SEG, AusIMM, AIG, IAGI (the Indonesian Association of Geologists), MGEI (the Indonesian Society of Economic Geologists) and Perhapi (the Association of professionals). Currently he is the chairman of the Indonesian KCMI IAGI-Perhapi (the Joint mineral reserve committee), the secretary of the IAGI Ethics Committee and member of the advisory board of MGEI.

As a senior adjunct researcher at CODES-University of Tasmania Australia (UTAS), Adi regularly leads field trips in Indonesia for SEG, IAGI-MGEI and CODES-UTAS. His research focus is in magmatic Au-Cu systems in particular along the Sunda and other arcs in Indonesia. He is also a guest lecturer in economic geology at Geology UGM Jogjakarta.

2. EDUCATION:

1995-1996 Queen’s University at Kingston, MSc in Mineral Exploration Canada

1983-1990 University of Gadjah Mada , BSc in Geology, top 10 graduates of 60 Yogyakarta, Indonesia

1981-1983 SMA 1 Kudus, Jawa Tengah, Senior high school, top 10 graduates of 300 Indonesia

1976-1981 SMP 2 Kudus, Jawa Tengah, Junior high school, the best graduate of 300 Indonesia

1970-1976 SD Jekulo 1, Kudus, Jawa Tengah, Primary school, the best graduate of 50 Indonesia

3. MAJOR TRAINING COURSES:

Date Course Title Remarks 2006 Porphyry Deposit Course by E. Seedorff, A 2week course with laboratory assignment M. Barton, Lucas, University of Arizona. and fieldtrip

2002 Coping with leached outcrop, gossans A 2 day intensive course, in house at Batu and supergene enrichment by Peter J. Hijau, March 2002 Pollard and Roger Taylor (JCU, Australia)

May 1st to Textures and Aspects of Mineralized A 2 day course, organized internally by 3rd, 2001 Breccia Course by Peter J. Pollard and Newmont at Batu Hijau Mine Roger Taylor

1999 In-house course on Broken Hill type Course and field review 9 days; a 2 day course deposit and Ni sulfide deposit in with week field examination to the Broken Hill Brisbane, Australia by BHP’s geologists Mine District, South Australia

1998 Exploration Management Course II A 2 week management and technical course: (EMC II) by Andy White in Cape Town, team work, leadership, economic evaluation, South Africa negotiation and management

1998 Ore Reserve Estimation by Dr. Gatut A 3 day course on block modeling and reserve Adisoma in Bogor, Indonesia calculation

1997 Global Leadership Program I (GLP/EMC A 10 day management and technical course: I) by BHP in Santiago, Chile team work, leadership, and management

1996 Diamond Deposit model and Exploration A 3 day course on various models of diamond by Dr. Herb Helmstaedt in Kingston, deposits and exploration aspects Canada

1995 Pacific Rim Gold- System by Dr. A 3 day course on structural setting/control, R.Corbett and Dr. T. Leach in Jakarta deposit models, deposit geochemistry and exploration aspect

1994 Geothermal-Epithermal Systems by A 2 week course and field/mine visits of Stuart Simmons and Patrick Brown, geothermal systems and epithermal gold Auckland University, North Island, New deposits in Coromendall Peninsula and Taupo, Zealand New Zealand

1992 Andean Mapping Course and Excursion A month trip: field and pit mapping course, by BHP, in Northern Andes of Chile and excursion to the geology of the northern Andes Argentina and mine visits to major porphyry copper and epithermal gold deposits in Argentina and Chile

1992 Introduction to feasibility study by PT A 2 day course on feasibility aspects in Antam in Bogor, Indonesia developing mines

1991 Report Writing Course by EEC (English A 2 week course on English and report writing Education Centre) in Jakarta, Indonesia

1990 Epithermal Au-Porphyry Cu-Au deposit A 5 day course on deposit models and field models by Dr. R. Sillitoe in Gorontalo, examination Indonesia

4. MINES AND MAJOR DEPOSITS VISITED

Al Aguilar Pb-Zn-Ag mine, Argentina Underground, 2 days April 1992 Escondida Cu mine, Chile Open pit, 3 days , April 1992 Cerro Negro Pb-Zn-Cu mine, Chile Underground, 1 day, 1992 Al Guanaco Cu-Au deposit , Chile Development, 1 day, 1992 El Indio Cu-Au mine, Chile Open pit, 1 day, 1992 Martha Hill Au mine, New Zealand Open pit, 1 day, 1992 Coromendal Complex of Au deposits/mines, New Zealand Open pit, 2 days, 1992 Navan Pb-Zn mine, Ireland Underground, 1 day, 1994 Galmoy Pb-Zn mine, Ireland Development, 1 day, 1994 Pongkor Au mine, Indonesia Underground, 2 days, 1996 Batu Hijau Cu-Au deposit, Indonesia Development, 2 days, 1997 Cannington Pb-Zn-Ag mine, Australia Underground, 1 day, 1998 Broken Hill Pb-Zn-Ag mine, Australia Underground, 2 days, 1994 Potosi Pb-Zn mine, Australia Open pit, 1 day, 1999 Kintore Pb-Zn mine, Australia Open pit, 1 day, 1999 Bingham Cu-Au mine, USA Open pit, 1 day, 1996 Round Mt. Au mine, USA Open pit, 1 day, 1996 Getchell Au mine, USA Underground, 1 day, 1996 Carlin Au mine, USA Underground, 1 day, 1996 Messel Au mine, Indonesia Open pit, 1 day, 1997 Morenci Cu-Au, USA Open pit, 1 day, 1996 Lone tree Au mine, USA Open pit, 1 day, 1996 Escondida Northe Cu deposit, Chile Development, 2 days, 1997 Zaldivar Cu mine, Chile Open pit, 1 day, 1997 Chuqichamata Cu mine, Chile Open pit, 1 day, 1997 Saindak Cu-Au mine, Pakistan Open pit, 2 days, 1996 Reko Diq Cu-Au deposit, Pakistan Exploration, 1996-1998 Cappilitas Au and gemstone mine, Argentina Underground, 1 day, 1997 Agua Rica Cu-Au deposit, Argentina FS stage, 2 days, 1997 Cripple Creek, Au mines and abandoned mines, Colorado USA Open pits, one day visit, October 2000 Cadia-Ridgeway Porphyry Cu-Au Mine, NSW Australia 2 days visit, June 2006 Jundee Greenstone belt Au mine, Australia 1 day visit Oct 2006 Boddington Au-Cu deposit, Boddington WA Australia Open pit mine, 2 visits in 2006, 2007 Grasberg-Ertsberg Indonesia Open pit and underground in 2008

5. EMPLOYMENT HISTORY: Position: DVP/VP Exploration PT J Resources Nusantara October 2013- Location: Indonesia, Malaysia and SE Asia now Company: J Resources CEO: Jimmy Budiarto

Position: VP Business Development Buena Group and Chief Consulting February 2012- Geologist, Maryono Discovery Consulting Pty Ltd September 2013 Location: Indonesia, Malaysia and SE Asia

Position : Senior Site Manager Project Development/General Manager February 2010- Operations September 2011 Location : Tujuh Bukit Project, SE Java, Indonesia Company : Intrepid Mines Ltd Responsibilities :  Managing project development at Tujuh Bukit in Indonesia  Advancing TB project to FS stage and development  Creation of added value  ~1,000 people management

Executive: Malcolm Norris CEO: Brad Gordon

Position : Exploration Manager SE Asia January 2007- Location : SE Asia February 2010 Company : Newmont Asia Pacific, Australia Responsibilities :  Managing exploration programs in PTNNT CoWs Indonesia including the Elang Advanced Project  Managing projects in PNG and Solomon islands in early stage exploration programs  New project generation in Indonesia, PNG, Solomon and Philippines  Regional framework study for areas of priority in SE Asia

Exploration Director: Brian Levet

Position : Principal Geologist Exploration July - Location : Orange NSW Australia December 2006 Company : Newmont Australia Limited, Australia

Responsibilities :  Secondment to the site team to explore the Lachlan Fold Belt NSW  Secondment to a regional framework study on the Lachlan Fold Belt NSW  Secondment to a JV with Alkane Ltd in McPhyllamis

Exploration Director: Brian Levet

Position : Chief Geologist Exploration/District Exploration Manager January 2002- Location : Porphyry Cu-Au Mine at Batu Hijau, Sumbawa, Indonesia June 2006 Company : PT Newmont Nusa Tenggara Responsibilities :  Running exploration programs of PT NNT CoWs  Managing and supervising our exploration teams at CoW prospect/project levels (11 geologists and 20 to 200 field crew)  Geological, geochemical and geophysical data compilation and management

Exploration Manager: Bruce Harlan/Arif Perdana

January 2000- Position : Senior Geologist January 2002 Location : Porphyry Cu-Au Mine at Batu Hijau, Sumbawa, Indonesia Company : PT Newmont Nusa Tenggara Responsibilities :  Running exploration programs at CoW prospect areas Elang and Rinti  Managing and supervising our exploration teams at CoW prospect/project levels (4 geologists and 20 to 30 field crew)  Geological, geochemical and geophysical data compilation and management

Exploration Manager: Christian Clode

August 1999- Position : Senior Geologist January 2000 Location : Porphyry Cu-Au Mine at Batu Hijau, Sumbawa, Indonesia Company: PT Newmont Nusa Tenggara Responsibilities :  Involvement in the development of Batu Hijau Mine  Pit mapping and pit geological data compilation  Quarternary pit compilation  Liaison with ore control geologists

Manager : Chris Clode

Position Held : Project Geologist January 1999 – Location : The Nabberu Program, Western Australia, Australia June 1999 Company : BHP Minerals Position involved:  Geological, geochemical, geophysical data compilation  A comprehensive data interpretation including airborne magnetic and gravity images and target definition  Fieldwork program planning and preparation  Running fieldwork programs  Supervising team of 6 people (including one geologist and one geophysicist)  Survey Data analysis and Reporting Immediate Manager : Michael Raetz Regional Manager : Tom Whiting

April 1998- Position Held : Project Geologist /Project Manager January 1999 Location : The North Vietnam Gold project, Vietnam Company : BHP Minerals

Position involved:  Responsibility of the Vietnam gold project  Field program designing and planning  Running the regional geochemical survey and follow up work  Supervising 25 people (including 14 geologists and 2 field supervisors)  Survey data analysis and compilation  New target generation  Reporting

Immediate Manager : Peter Leaman Regional Manager : Tom Whiting

August 1996- Position Held : Project Geologist/Project Manager April 1998 Location : The Chagai Copper-Gold Project, Pakistan Company : BHP Minerals Position involved:  Responsibility of the exploration and development of Reko Diq Cu-Au project, Pakistan  Supervising all technical programs involving regional geochemical surveys, follow up, geophysical survey and drilling  Regional geological study to define new exploration targets  Supervising 50 to 250 people (including 13 geologists and one geophysicist)  Reporting

Immediate Manager : Shah Saad Husain/Peter Leaman Area Manager : Peter Leaman/Christian Ford

August 1995- Position held : Project Geologist August 1996 Location : Canada Company : BHP Minerals Position involved:  Pursuing an MSc degree in Mineral Exploration Program at Queen’s University, Kingston, Canada  Mine Visits and short-term fieldwork in the Basin Range Region, USA part of the MSc program.  Thesis Topic : a Basin-Range Concept and associated gold mineralization in Kalimantan

Supervisor : Dr. Robert Mason

August 1993- Position Held : Field Geologist/Project Geologist (promoted from January August 1995 1995) Location : The Sumba Copper-Gold Project, Sumba, Indonesia Company : BHP Minerals Position involved:  Responsibility for the Sumba Cu-Au Project  Regional Reconnaissance in Sumba  Field Program planning  Supervising a regional geochemical-geological survey and follow up work  Supervising 20 to 50 people (including 4 junior geologists)  Survey data compilation and analysis  Reporting

Immediate Manager : Sumardiman DW Area Manager : Peter Leaman

February 1992- Position Held: Field Geologist August 1993 Location : The Paguyaman-Taludaa Program, Sulawesi, Indonesia Company : BHP Minerals Position involved:  Follow up work program in the Paguyaman-Taludaa Block  Supervising 8-20 people  Reporting

Immediate Manager : Sumardiman DW Area Manager : Larry James

June 1991- Position held: Field Geologist February 1992 Location : Timor, Sulawesi and Sumatra, Indonesia Company : BHP Minerals Position involved:  Reconnaissance program in Timor  Regional geochemical survey in Tanjung Balit, Sumatra  Involvement in project generation  Follow up program and drilling in Hulu Sita prospect, Sulawesi

Immediate Manager : Sumardiman DW Area Manager : Larry L. James

June 1990-June Position held: Field Geologist 1991 Location : The North Sulawesi Copper-Gold Program, Indonesia Company : BHP Minerals Position involved :  First pass regional survey in Paguyaman  Follow up work in the Paguyaman-Taludaa Block  Drilling program in Tulabolo Prospect

Immediate manager : Kus Darius Country Manager : Sumardiman DW

July 1987- Position Held: Junior Geologist October 1987 Location : Bulagidun prospect, Sulawesi, Indonesia

Company: Utah International Inc.

Position involved :  First pass regional survey in Paguyaman  Follow up work in the Paguyaman-Taludaa Block  Drilling program in Tulabolo Prospect

Immediate Supervisor : Hasbi Lubis Country Manager : Sumardiman DW

6. INTERESTS:

 Discovery of Cu-Au deposits  People  Culture and Education

7. ORGANIZATIONS:  AusIMM (Australasian Institute of Mining and Metallurgy) Australia, Member  SEG (Society of Economic Geologists) USA, Fellow  AIG (Australian Institute of Geoscientists) Australia, Member  IAGI (Indonesian Association of Geologists); Member, Chairman of Regional IAGI Nusra 2003-2006  MGEI (Masyarakat Geologi Ekonomi Indonesia); Vice Chairman 2008-2011 and founder  PERHAPI (Perhimpunan Ahli Pertambangan Indonesia); member  IMA (Indonesian Mining Association); member  Yayasan Pendidikan Buin Batu, Chairman of National School Board Batu Hijau 2003-2007  DCF (Doctor Children Fund), member of OC  Kageogama (geology alumni association of UGM), Secretary general, founder, member

8. REFEREES:

1. Noel C. White (one of world’s best geos in epithermal deposits) Consulting Economic Geologist (Formerly Chief Geologist of BHP World Minerals Discovery Group) 11 Fleming Road, Chapel Hill, Qld 4069 Australia Phone: 61-7-3878 3041; Fax: 61-7-3878 7099; Email: [email protected]

2. Christian Clode (one of world’s best geos in porphyry deposits) Director, Exploration Business Development Newmont Mining Corporation Denver USA T 303-708-4182 M 303-523-2097 F 303-708-4501 Email: www.newmont.com

3. Malcolm Norris Independent Consultant Brisbane (Formerly EGM of Intrepid Mines and Former CEO of SolGold Plc) EXINDE, Paddington, Qld Mobile: +61 417 956 402 E-mail [email protected]; [email protected] Web www.exinde.com.au

4. Oliver N. Warin (Passed Away) Consultant (Geology and Management) and aspiring artist (Formerly Sen.V.P. Exploration BHP) 910 Butterfield Rd, San Anselmo, CA 94960 Phone: + 1 415 456 3970 Email: [email protected]

5. Peter Leaman Regional Geology Manager SE Asia, Phu Bia Mining Ltd (Formerly Exploration Manager BHP) House No:218, Sokpaluang Road, Sisathanak District VientianePDR Lao Email: [email protected] Phone : +856 (21) 353 478-83 ; +856 (20) 221 4045

9. PUBLICATIONS

1. Maryono, A., 1994, A first pass regional geochemical survey at Tanjung Balit, Riau, IAGI (Association of Indonesian Geologists), 1994 Annual Conference, Proceedings. 2. Maryono, A., 1997, Exploration Investment Climate in Indonesia with A case study of epithermal gold deposit, 1997, IAGI (Association of Indonesian Geologists), Annual Conference, Proceedings (one of three best papers presented in the conference). 3. Maryono, A., 1998, Carlin-style sediment-hosted gold deposit: An exploration opportunity with a case study of the Carlin gold deposits in the Great Basin, USA, 1998, IAGI (Association of Indonesian Geologists), Annual Conference, Proceedings 4. Maryono, A., 2000, Carlin Style Sediment Hosted Gold Deposits, 2000, the Indonesian Sedimentologists Forum (FOSI), Journal -030/2000. 5. Maryono, A., 2000, Hydrothermal Alteration-Mineralization and Tectonic Overview of Sumba: A comparison to Kalimantan, 2000, Annual Conference, Proceedings. 6. Maryono, A., 2001, Gold mineralization and its geologic setting in Borneo: A basin and range tectonics related gold mineralization systems, Annual Conference, Proceedings 7. Prihatmoko, A., Digdowirogo, S., and Maryono, A., 1996, Mineral Exploration in Indonesia, University of Gadjah Mada, Yogyakarta, 1996. 8. Pratama, B., Setyandhaka, D., Maryono, A., 2003, Application of PIMA in Cu-Au Exploration in Sumbawa Indonesia, 2003, IAGI (Association of Indonesian Geologists), Annual Conference, Proceedings. 9. Priowasono, E., and Maryono, A., 2002, Structural Analysis of the Porphyry Cu-Au Deposit and the Impacts on Mining at Batu Hijau, Sumbawa, Indonesia, 2002, IAGI (Association of Indonesian Geologists), Annual Conference, Proceedings 10. Maryono, A., Lubis, H., Perdankusumah, A. and Hermawan, W., 2005, The Elang porphyry copper and gold mineralization style Sumbawa, Indonesia: Indonesian Minerals and Coal Discoveries: IAGI conference, p. 34 – 51. 11. Maryono, A., Setijadji, L.D., Arif, J., Harrison, R.L., and Soeriaatmadja, E., 2012, Gold, silver and copper metallogeny of the eastern Sunda Magmatic Arc, Indonesia: MGEI Annual Convention, Malang, Indonesia: proceeding, p. 23-38. 12. Maryono, A., 2012, Porphyry Cu-Au Style Mineralization along the Eastern Sunda Magmatic Arc Belt Indonesia, the AIG Symposium 2012 13. Harrison, R.L., and Maryono, A., 2012, Tumpangpitu porphyry-high sulfidation epithermal deposit, Tujuh Bukit Project, Indonesia - geology, alteration and mineralization: Red Metals Symposium Presentation, CODES, University of Tasmania, 51 p. 14. Setijadji, L.D., and Maryono, A., 2012, Geology and Arc Magmatism of the Eastern Sunda Arc, Indonesia: MGEI Annual Convention, Malang, 2012, proceedings, p. 1-22. 15. Rompo, I., Rowe, A., and Maryono, A., 2012, Porphyry Cu-Au and epithermal Au-Ag mineralization System in South West : MGEI Annual Convention, Malang, Indonesia: proceedings, p. 283-296. 16. Maryono, A., 2015, Sumatra, an Emerging World-Class Magmatic Gold Belt Indonesia: MGEI Annual Convention, Malang, Indonesia: proceeding, p. 23-38. 17. Harrison, R.L., and Maryono, A., 2015, Tumpangpitu porphyry-high sulfidation epithermal deposit, Tujuh Bukit Project, Indonesia - geology, alteration and mineralization: Conference abstract and poster, SEG-CODES 2015 Conference World Class Ore Deposits: Discovery to Recovery, Hobart, Tasmania. 18. Maryono, A., Harrison, R.L., Rompo, I., Priowasono, E., and Norris, M., 2016, Successful techniques in exploring the lithocap environment of the Sunda magmatic arc, Indonesia: Conference paper MGEI 8th Annual convention, Bandung, Indonesia, 9 p. 19. Maryono, A., Harrison, R.L., Cooke, D.R., Rompo, I., and Hoschke, T.G., 2018, Tectonics and geology of porphyry Cu-Au deposits along the Eastern-Sunda Magmatic arc, Indonesia: Economic Geology, v. 113, p. 7-38. 20. Harrison, R.L., Maryono, A., Norris, M.S., Rohrlach, B.D., Cooke, D.R., Thompson, J.M., Creaser, R.A., Thiede, D.S., 2018, Geochronology of the Tumpangpitu porphyry Au-Cu-Mo and high- sulfidation epithermal Au-Ag-Cu deposit: Evidence for pre- and post-mineralization diatremes in the Tujuh Bukit district, Southeast Java, Indonesia: Economic Geology, v. 113, p. 163-192. 21. Cooke, D. R., Maryono, A., Harrison, R.L., and Rompo, I, 2019, 2018, 2015, Porphyry and Epithermal Systems of the Sunda Banda Arc, Indonesia: SEG-CODES-MGEI field guide book, 65 p. 22. Cooke, D. R., Zhang, L., Maryono, A., Rompo, I., Harrison, R.L., and Hoschke, T.J., 2019, The East Sunda Arc, Indonesia - an emerging world-class porphyry Cu-Au province: Abstract SGA Conference 2019 4 p.