Pt Amman Mineral Internasional Tbk · IDX:AMMN
Pt Amman Mineral Internasional Tbk — Investor Presentation (September 2026)
17 slides from Pt Amman Mineral Internasional Tbk's investor presentation, September 2026
Slide 1: PT Amman Mineral Internasional Tbk (AMMN) Company Profile
PT AMMAN MINERAL INTERNASIONAL TBK (AMMN) Company Profile September 2026 1
Slide 2: Disclaimer
Disclaimer You must read the following before continuing. The following applies to the information following this page, and you (each referred to hereafter as a “Recipient”) are advised to read this carefully before reading, accessing or making any other use of these materials. Any failure to comply
Slide 3: 10 Years of Achievement
10 Years of Achievement From mine operator to integrated copper & gold producer 2027 Elang FID 2026 PSN extended to cover BH and Elang 2032/33 Elang first production 2024 Elang JORC reserves upgrade 2026 High grade ore Phase 8 First ore to new mill 2018-2020 Recapitalize and began Phase 7 2025 First
Slide 4: World-Class Fully Integrated Copper-Gold Producer
World-Class Fully Integrated Copper-Gold Producer AMMAN operates one of the largest copper-gold mining integrated facilities in the world, Batu Hijau, and is developing Elang, one of the world’s largest undeveloped orebodies Benete Port Processing Plant Indonesia Sumbawa Regency Smelting and Refinin
Slide 5: Copper Market Fundamentals and Gold Trends
Copper Market Fundamentals and Gold Trends Strong copper fundamentals and growing demand from AI and energy transition infrastructure construction Historical Copper Prices Forward Copper Prices 15,000 15,000 13,000 13,000 14,136 14,039 14,010 14,013 14,009 13,985 13,971 11,000 11,000 9,000 9,000 7,0
Slide 6: Corporate Structure and Management
Corporate Structure and Management PT Medco Energi PT Sumber Agus Projosasmito Public1 Sajir 9 LLC PT AP Investment Internasional Tbk2 Gemilang Persada President commissioner and controlling shareholder 25.26% 5.10% 20.92% 32.17% 15.45% Arief Sidarto PT Amman Mineral President Director Internasional
Slide 7: Integrated Operations
Integrated Operations Infrastructure in place, positioned for growth Batu Hijau Mine Elang Mine Processing Plant Smelting and Refining Power Complex Indonesia's second- A Super Giant deposit, Ore processing plant The smelter and precious Diversified power largest copper-gold enabling continued expan
Slide 8: Batu Hijau Mine
Batu Hijau Mine Batu Hijau reserves and resources as of 30 June 20261 • Batu Hijau is the second-largest copper and gold mine in Indonesia Grades Contained Total Cu Au Cu Au • One of the largest copper-equivalent reserves (Mt) (%) (g/t) (Blb) (Moz) bases globally when combined with Elang Stockpiles
Slide 9: Elang “Super Giant” Project On Track
Elang “Super Giant” Project On Track Elang Q3 2027 Final Investment Decision (FID) Elang reserves and resources as of 30 June 20261 Processing Plant Power Complex Grades Contained Total Cu Au Cu Au (Mt) (%) (g/t) (Blb) (Moz) Ore reserves 2,581 0.32 0.33 18.17 27.00 2 Mineral resources 3,982 0.30 0.2
Slide 10: Processing Plant
Processing Plant Ore processing plant expanded to ~85 MTPA input capacity in 2026 Processing plant complex Process flow The mined ore is crushed and transported to the processing plant. SAG and Flotation Copper Ball Mill tank concentrate Mill Expansion Original Mill The process is based on physical
Slide 11: Smelting and Refining
Smelting and Refining Copper cathode and refined gold meet LME1 and LBMA2 quality standards KEY FEATURES OF THE SMELTER Copper Cathode Refined Gold Refined Silver Annual smelter Annual smelter design capacity: blended feed: 220,000 tonnes 900,000 of copper cathode with 99.99% tonnes purity 830,000 t
Slide 12: Diversified Power Platform
Diversified Power Platform Power mix: 450 MW CCPP & LNG, 26.8 MWp solar photovoltaic (“PV”), 112 MW coal-fired & 45 MW diesel CCPP Complex LNG Terminal Solar PV Plant Diesel Generator Back Up Coal-fired Power Plant 12
Slide 13: Commitment to Sustainability
Commitment to Sustainability Our ESG framework is a commitment to responsible mining and long-term stakeholder value creation Our ESG framework Upholding ethics • Promoting corporate governance, compliance and transparency The Copper Mark MSCI ESG rating: Green PROPER ISO 9001:2015 ASEAN’s best • Ma
Slide 14: What to Expect in 2H 2026
What to Expect in 2H 2026 • Deliver on 2026 guidance • Focus on cost control as operations expand • Continuing debt repayment and leverage improvement • Smelter consistent operating performance – new performance records set in July – August • Major Project close out – LNG tank and ramping up new mil
Slide 15: Thank you
Thank you
Slide 16: 16
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Slide 17: Financial Highlights
Financial Highlights Product ion and sales dat a1 Financial results Unit s H1 2025 H1 2026 YoY (%) Units H1 2025 H1 2026 YoY (%) Mining operat ions Net sales US$mn 183 2,052 1,024% Concent rat e EBITDA US$mn 86 1,128 1,207% Production dmt 191,657 347,307 81% Net income/(loss) US$mn (146) 504 444% Sa
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