PT Bukit Makmur Mandiri Utama (BUMA), the principal subsidiary of PT BUMA International Group Tbk, has started production at the PKP mine site, owned by PT Persada Kapuas Prima (PKP), a subsidiary of PT Singaraja Putra Tbk, following previous first cut ceremony on 14 June 2025, signalling the formal commencement of mining operations.

The start of production marks the implementation of the IDR12 trillion (equivalent to over US$755 million mining services agreement signed with PKP in August 2024. BUMA will carry out a full scope
of mining services, including overburden removal and coal extraction.

Nanang Rizal Achyar, Vice President Director of BUMA, stated: “This production represents a new milestone in the long-term partnership we have built with PKP, founded on trust and shared goals. This
collaboration reflects BUMA’s continued focus in Indonesia, where our core expertise as a mining operator goes hand in hand with creating value for our partners, people, and the communities surrounding our operations.”

Over a period of nine years, the PKP mining services contract is projected to produce over 359,330,000 bcm of overburden and 60 Mt of coal. Located in Central Kalimantan, the project reflects the long-term trust in BUMA’s proven ability to deliver large-scale, integrated mining services solutions.

Novraym Vianus Keriahenta Meliala, ST, Director of SINI, commented, “We are optimistic about achieving the coal production targets of SINI’s subsidiaries through our collaboration with BUMA, and while continuing to strengthen our subsidiaries’ commitment to Good Mining Practices, and highlighting PKP’s role as one of SINI’s subsidiaries in the coal mining sector. With PKP now in operation, we hope to contribute to local economic development and deliver added value to the company, its subsidiaries, and all SINI stakeholders.”

BUMA says this operational milestone highlights its extensive capabilities as Indonesia’s leading mining services provider. With over 26 years of mining industry presence, BUMA adds that it applies an integrated, end-to-end approach, from mine planning and overburden removal to transportation and rehabilitation, tailored to meet each site’s unique challenges.

With operations officially underway, BUMA “is committed to operating safely while delivering strong
results for PKP and continues to explore strategic partnerships and potential contract expansions – reinforcing the group’s momentum and long-term growth strategy.”