The extension, worth A$126 million (US$85 million), will allow BTP to continue renting its mining and ancillary equipment to the mines in Peabody's portfolio across the Bowen Basin and Hunter Valley regions.
The deal has an effective date of April 1, 2019, with a two-year extension option.
BTP has been a partner to Peabody since 2015.
Ausdrill, which has operations in Australia, Africa, India and the UK, has a service portfolio that includes open-cut and underground contract mining, diamond drilling, grade control, drill and blast, exploration, mineral analysis, procurement and logistics.
