BP Sells Castrol Majority Stake
Analysis based on 15 articles · First reported Dec 24, 2025 · Last updated Dec 24, 2025
The sale of BP — Castrol by BP to Stonepeak is expected to positively impact BP's financial position by significantly reducing its debt and streamlining its portfolio, which could lead to improved shareholder returns. For Stonepeak, the acquisition of a majority stake in BP — Castrol represents a strategic investment in a cash-generative business.
BP has agreed to sell a 65% stake in its BP — Castrol lubricants business to U.S. investment firm Stonepeak for approximately $6 billion. This deal, which values BP — Castrol at $10.1 billion, is a crucial part of BP's $20 billion divestment plan aimed at reducing its net debt and refocusing on its core oil and gas business. BP will retain a 35% interest in a new joint venture with Stonepeak, with an option to sell this stake after a two-year lock-in period. The proceeds from the sale, including $800 million for accelerated dividend payments, will be used to strengthen BP's balance sheet. The transaction is expected to close by the end of 2026, subject to regulatory approvals. This divestment follows a strategic review of BP — Castrol and is part of a broader corporate restructuring at BP, which also includes the recent appointment of Meg O Neill as its new CEO.
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