Harbour Energy plc remains on course to sell its operated interests in the producing Natuna Sea Block A field and the Tuna development, offshore Indonesia.
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The company currently owns a 28.67% operated interest in Block A and a 50% operated interest in Tuna.
The sale to Prime Group for $215 million cash has an effective date of 1 January 2025 and a completion date targeted for the second quarter of 2026.
Harbour will retain its interests in the Andaman Sea discoveries.
The confirmation was disclosed today in the company’s further regulatory information regarding its acquisition of LLOG Exploration Company L.L.C, announced in December 2025.
Harbour reiterated that its $3.2 billion acquisition of LLOG Exploration Company, L.L.C. was still expected to complete during the first quarter of 2026.