Thiess has announced the successful extension of its contract with coal miner Wahana Baratama Mining, a subsidiary of Bayan Resources, for the Wahana East Extension project in South Kalimantan, Indonesia. The 16-month extension will see it continue to deliver full mining services, including load and haul, drill and blast, and pit dewatering.

Since 2007, Thiess has partnered with Bayan Resources, it says consistently demonstrating a commitment to safe and sustainable delivery. It says this extension underscores the strong relationship between the two organisations and Bayan’s confidence in Thiess’s ability to achieve their objectives.

Thiess Group Executive Chair and CEO Michael Wright stated: “This contract extension is a testament to the hard work and dedication of our team at Wahana. We are proud of our long-standing partnership with Bayan Resources and look forward to continuing to deliver safe and sustainable mining solutions. Our focus remains on creating value for our clients, as well as for the local region.”

Thiess Group Executive – Asia Cluny Randell added: “Thiess’ ability to secure this extension reflects the strength of our operational expertise and our commitment to safety, the environment, and the community.”

As part of the extension, Thiess will implement a circular economy-based waste management system in the community and provide entrepreneurial training programs to empower local businesses to promote sustainable growth. The contract extension commenced in January 2025.