Vision
To be a transformative organization creating a legacy of best
On the island of Sumbawa, part of the Nusa Tenggara chain of islands, located 1,540 km east of Jakarta, lies the Batu Hijau mine.
The island is a haven of potential, with its pristine beaches, lush forests, towering mountains and abundant minerals that are responsible for up to 95% of Sumbawa Barat Regency’s gross income.
Our Story
Unlocking new potential
The Batu Hijau mine was opened in 2000. It was previously thought that turning the mine around would be an impossible task, but we moved to defy such discouraging views. At Amman, we see opportunities in what others see as obstacles. There was so much potential stretched out in front of us. By 2020, we were achieving record-high production, and the mine has continued to outperform all expectations.
We instigated an ambitious turnaround, delving deep into each of the mine’s processes and addressing how we could make improvements. We utilized technological and mechanical innovations and breakthroughs, and at the same time, turned our attention to people. One key realization was that we would be able to achieve the full commercial potential of the mine by acknowledging the potential of our people. And so, assembling a team of diligent, intelligent and innovative thinkers has been one of our best moves since acquiring the mine.
Our perseverance and innovative thinking led to the success we have today. In 2020, Amman achieved a 10% higher copper recovery rate than the mine’s previous owner, which will only continue to rise in the following years. Since the commencement of operations in 2000, Batu Hijau has produced 8.78 billion pounds of copper and 8.7 million ounces of gold. Our operations are now responsible for up to 95% of the Sumbawa Barat Regency’s gross income.
Our Journey
Historical milestones
Signed Contract of Work (CoW) with the Indonesian Goverment.
Batu Hijau Mine and Elang block desposits discovered and drilled.
MAR
Batu Hijau commenced its first production and shipment.
JAN
Embarked on operational, organizational and cost optimization initiatives.
NOV
100% local shareholding upon the acquisition of PT Newmont Nusa Tenggara by PT Medco Energi Internasional Tbk and PT AP Investment.
JUN
Secures credit facility of $600m to fund the expansion of Phase 6.
FEB
Converted CoW to operation Production Special Mining Business licenses (IUPK-OP).
AUG
Amman Mineral became significant shareholder of MacMahon Holdings Limited, a leading Australian mining contractor listed on Australian Securities Exchange (ASX).
DEC
Completed Front End Engineering Design (”FEED”) for the smelter project. Acquired 145ha of the project site in Benete.
SEP
Amman received Aditama Trophy – top rank award – for Environmental Management and Utama Trophy for Mineral Conservation from the Ministry of Energy and Mineral Resources.
APR
Amman broke historical records on all aspects and delivered first productive ore from Phase 7, three months ahead of the schedule.
Our Leaders
Board of commissioners
President Commissioner
Agus Projosasmito
President Commissioner
Agus Projosasmito
Agus is a seasoned Indonesian investment banker with more than 30 years of experience in the industry. He started his career as the Head of Capital Markets at Danareksa (Persero) in 1982. His extensive career in the banking industry has brought him to sit at various executive positions including as the Vice President Director at DBS Securities Indonesia (1992 – 1995), Managing Director at Danareksa (1995-2001), President Director at PT Nusantara Mahabakti (20007 – present). Prior to joining AMMAN, Agus was the founding CEO of PT Ithaca Resources. He obtained his degree in Economics from Satya Wacana Christian University before completing his diploma in Economics of Development from the Australian National University.
Commissioner
Markus Permadi
Commissioner
Markus Permadi
As a veteran in the banking industry for nearly 40 years, he started his career in 1971 with Citibank for more than ten years and became Vice-President. He held director positions in several major banks since then, including Executive Director of Bank Central Asia and President Director of Bank Lippo (CIMB Niaga). His extensive experience has also brought him to the commissioner seat for many companies, including PT Lippo Securities, PT Indosat (Persero), PT Jamsostek (Persero), and Bank Mandiri (Persero). Markus also held public service roles within the State-Owned Ministry, including as the Assistant of the Minister for Public Service and Human Resource Development in 1998 and for Finance and Other Services from 1998 to 2000. Markus served as President Commissioner for PT Star Pacific Tbk between 2009 and 2013 and as a commissioner for PT Bank Nationalnobu from 2012 to 2017.
Commissioner
Teguh Boentoro
Commissioner
Teguh Pamuji
Our Leaders
Board of directors
President Director
Alexander Ramlie
President Director
Alexander Ramlie
Alexander Ramlie is currently the President Director and Chief Executive Officer (CEO) of PT Amman Mineral Internasional. He joined in 2015 as a member of the AMMAN founding team, where he played an instrumental role in the acquisition of PT Newmont Nusa Tenggara. He is concurrently a Non-Executive Director of Macmahon Holdings Ltd, an ASX-listed mining contractor. From 2011 to 2015, he was the President Director and CEO of IDX-listed PT Borneo Lumbung Energi & Metal Tbk. He also led the acquisition of a controlling stake in Bumi PLC by Borneo in 2011. Between 2012 and 2015, Alex was also a Director of LSE-listed Bumi PLC, a Vice-President Commissioner/Vice-Chairman of IDX-listed PT Berau Coal Energy Tbk and its subsidiary, PT Berau Coal. At the same time, he held commissioner positions at PT Bumi Resources Tbk, PT Kaltim Prima Coal, and PT Arutmin Indonesia. Alex began his career as an investment banker at Lazard Frères & Co and has a Bachelor of Arts and a Master of Arts in Economics from Boston University.
Director
Arief Sidarto
Director
Arief Sidarto
Arief Sidarto has extensive experience in the financial services and corporate sectors. Arief started his career with Goldman Sachs in New York in 1991 and eventually ran their investment banking business in Southeast Asia. He was also appointed as a member of the Commitments Committee, which vetted all investment banking transactions in Asia, excluding Japan. Prior to joining AMMAN, he was the Managing Director and Member of the Board of Rajawali Corpora, a diversified Indonesian business group with investments in palm oil plantation, gold and mining, luxury hotels and properties, transportation, infrastructure, as well as TV and media. During his time there, he played a prominent role in the Finance and Investment Committee, Ethics Committee, Audit & Risk Management Committee and Management Board. He graduated summa cum laude with dual degrees in finance and engineering from the University of Pennsylvania before completing his MBA at Harvard Business School.
Director
David Gibbs
Director
David Gibbs
David Gibbs is a mining engineer with nearly 40 years of continuous international mining experience in copper-gold, diamonds, uranium, coal (thermal and coking), talc, and nickel laterite with major companies. He has been involved in underground and open-pit mining, predominantly in South Africa, Namibia, Papua New Guinea, Australia, Thailand, and Indonesia. David has held positions in the management of feasibility studies, mine planning, operations, productivity improvement/cost reduction programs, due diligence studies, strategic planning, and project evaluations/developments. He holds a BSc Hons in mining engineering, a First Class Mine Manager’s Certificate (Western Australia), and a Mine Manager’s Certificate (South Africa), and he is an Associate of The Royal School of Mines (ARSM) and a Chartered Engineer (C Eng).
Director
Dr. Naveen Chandra Lal
Director
Dr. Naveen Chandra Lal
Dr. Naveen Chandra Lal has extensive global and executive experience for more than 26 years in mining operations, commercial and commodity trading, acquisitions, mergers, and strategic development. He has managed an extensive portfolio of commodities across multiple industries. Prior to joining AMMAN in 2016, Dr. Naveen worked as CEO of RAK Minerals and Metals Investments FZC, United Arab Emirates, from 2008 to 2012, and later became President Director of Trimex International Indonesia from 2012 to 2016. He holds a master’s degree in chemistry and a Ph.D. from Jadavpur University, India. He also has an Advanced Management Program degree from Harvard Business School.
Director
Irwin Wan
Director
Irwin Wan
Irwin has worked in the global mining, civil earthworks, and engineering sectors, holding technical, operational, commercial, and managerial roles for two decades. He has been with AMMAN since 2016 and played a prominent role in the operational and cultural transformation for the new national ownership. Prior to joining AMMAN, Irwin held senior management positions at Leighton (now Thiess) Contractors. He was also the engineering advisor for HKND Group on the Nicaragua Grand Canal Project – at the time, the world’s largest proposed earthworks and infrastructure project. Prior to these roles, he was the Project Director and Head of Mining for ASX-listed Hunnu Coal Limited and SET-listed energy company Banpu, which owned and operated coking coal mines in Mongolia. He is a member of the Australasian Institute of Mining and Metallurgy and a qualified Competent Person for the reporting of JORC Code in the relevant field. Irwin holds double degrees with honors in engineering and triple majors in commerce (corporate finance, investment finance, and accounting) from the University of Western Australia.
