CNOOC (00883) has announced details regarding its controlling shareholder's plan to increase its stake in the company and the progress of this initiative. Between October 9, 2025, and March 4, 2026, China National Offshore Oil Corporation (CNOOC Group) purchased an additional 705,500 A-shares of the company through the Shanghai Stock Exchange's centralized bidding system. This acquisition represents approximately 0.0015% of the company's total issued shares, with a cumulative investment of RMB 30.006 million (excluding taxes and fees). Through the Stock Connect scheme, the group also acquired 2.2 million H-shares, representing about 0.0046% of the total issued shares, with a total investment of RMB 41.273 million (excluding taxes and fees).

Following these transactions, CNOOC Group and its concerted parties now hold a combined 29.533 billion shares in the company, accounting for approximately 62.14% of the total issued shares. As of March 4, 2026, under the current share purchase plan, CNOOC Group has cumulatively bought 705,500 A-shares via the Shanghai Stock Exchange, representing about 0.0015% of the total issued shares, with a total investment of RMB 30.006 million (excluding taxes and fees). Through the Stock Connect system, the group has acquired 24.298 million H-shares, amounting to approximately 0.0511% of the total issued shares, with a cumulative investment of RMB 373 million (excluding taxes and fees). The total investment in both A-shares and H-shares under this plan amounts to RMB 403 million (excluding taxes and fees). Furthermore, CNOOC Group intends to continue increasing its stake in the company using its own funds, taking advantage of future market opportunities as outlined in the current share purchase plan.