EAI brief: Stonepeak to buy 65% stake in Castrol from bp

ATLANTA, GEORGIA (By Chad Archey, Energy Analytics Institute, 24.Dec.2025, Words: 121) — bp reached an agreement to divest a 65% shareholding in Castrol. The enterprise value of the deal is calculated at $10bn.

The total net proceeds to bp of c.$6bn, including accelerated dividend payments, will be fully utilized to reduce net debt, bp announced on 24 Dec. 2025 in an official statement.

Other highlights:

— transaction accelerates delivery of bp’s reset strategy, will significantly strengthen its balance sheet, and advances strategy to focus the downstream, and

— bp’s retained stake in a new joint venture provides exposure to Castrol’s growth plan while retaining optionality to realize further value in the future.

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By Chad Archey reporting from Atlanta. © 2025 Energy Analytics Institute (EAI). All Rights Reserved.