Investor Presentaiton

5 Strong Relationships with a Geographically Diversified Portfolio of High-Quality Customers High Quality Customer Base and Attractive Payment Term Long-term relationship with strategic long term end users in proximate jurisdictions As of 31 March 2021, approximately 280Mt of total contracted sales volume from 2021 onwards the majority of which are in the 4,000 - 4,400 Kcal/kg range to support the future growth of Tabang (1) Sophisticated pricing strategy; agreed price contracts which are index linked to reference benchmark; approximately 80% of contracted volume is linked to FOB Newcastle All export sales backed by letter of credit 80%-90% of Non-PLN Domestic sales are typically prepaid before coal is loaded (2) No bad payment history with invoice paid within 30 business days Our Coal is Well Suited to Customer and Market Needs Number of customers is expected to increase as we build new long term strategic offtake relationships in frontier markets Being a long term IUP holder underpinned by a large reserve and resource base, Bayan is able to meet its customer's long-term coal supply needs Bayan is well positioned to capitalize on increasing domestic and regional coal fired capacity Indonesian customers are expected to increase demand for Bayan coal given design coal for Indonesian plants are aligned with coal specifications of the Tabang mine Key Sales Contracts Major Customers(3) Nghison V-TEC GN Power Kauswagan GN Power Dinginin VAPCO TNBF Sembcorp Energy Cirebon • . • KEPCO, Marubeni Shareholders One Energy Ventures, Vietnam Electricity Group, Pacific Group Corp AC Energy (Ayala Corp) AC Energy (Ayala Corp), Power Partners, Aboitiz Power Corporation China Light and Power, Mitsubishi Tenaga Sembcorp Chubu, Marubeni, KEPCO, Samtan, Indika Sales by Geographic Region 1Q21 (by volume) Malaysia 10% Philippines 24% Other 10% India 8% Notes (1) (2) Contracted volumes agreed in principle, certain long-term offtake agreements are pending finalization/signing. PLN does not prepay for coal sales prior to loading, typically paying within 60 business days. (3) Some of these major customers have contracted volumes but have not yet commenced offtake 26 China 22% South Korea 17% Indonesia 9% PT BAYAN RESOURCES Tbk.

View entire presentation