Castrol India Limited has announced that its promoter, Castrol Limited, will indirectly change hands. BP p.l.c. (bp), the indirect holding company of Castrol Limited, has entered into a Sale and Purchase Agreement (SPA) with Motion JVCo Limited (Acquirer), an entity part of Stonepeak Infrastructure Fund V. Under this agreement, bp will sell its 100% equity share capital in Castrol Group Holdings Limited (CGHL) to the Acquirer. CGHL, in turn, holds 100% of Castrol Limited, which is the promoter of Castrol India Limited and holds 51% of its equity share capital. Upon completion of this transaction, referred to as 'Closing', the Acquirer will indirectly gain sole control over Castrol India Limited. The Acquirer is expected to issue a mandatory open offer to the public shareholders of Castrol India Limited in accordance with SEBI regulations. Separately, Stonepeak Motion Holdco Limited has entered into an investment and shareholders agreement with BP Motion Holdings Limited concerning their shareholding in the Acquirer post-Closing. The SPA and the SHA were both executed on December 23, 2025. The company received this information on December 24, 2025, at 1:35 p.m. IST.