Offshore Oil Engineering's controlling shareholder initiates share increase

Offshore Oil Engineering announced today that its controlling shareholder, China National Offshore Oil Corporation (CNOOC) Group, has initiated its previously announced plan to increase its holdings in the company. On April 16, 2025, CNOOC Group acquired 2,560,200 A shares via the Shanghai Stock Exchange's centralized trading system, representing approximately 0.058% of Offshore Oil Engineering's total share capital. This marks the first purchase under the planned increase, which aims for a total investment of between CNY 300 million and CNY 500 million over the next 12 months. Following the initial purchase, CNOOC Group's stake in Offshore Oil Engineering has increased from 55.33% to 55.39%, representing 2,448,900,709 shares. The company stated it will continue to monitor CNOOC Group's activities and fulfill information disclosure requirements.