Mubadala Energy has been awarded the Southwest Andaman exploration production sharing contract in Indonesia, taking a 100% participating stake to operate the block and adding a fourth asset to its position in the basin, according to a press release.

The new block sits adjacent to its existing South Andaman, Central Andaman, and Andaman II sites, strengthening what the company describes as a core growth cluster built around multi-tn cf of gas discoveries.

BACKGROUND- In December 2025, Mubadala signed a heads of agreement to supply gas from its Andaman Sea fields to PLN Energi Primer Indonesia, covering potential volumes linked to the Tangkulo field in South Andaman, which holds an estimated 2 tn cf of gas in place.It reported a gas discovery at Tangkulo in 2024 and also at the Layaran-1 well in South Andaman in 2023. It is also working alongside a UK firm and Indonesia’s Energy Ministry to develop the Central Andaman oil and gas block.

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