On the evening of April 25, Offshore Oil Engineering Co., Ltd. (hereinafter referred to as the "COOEC") released its operating performance for the first quarter of 2025 to the capital market.

In the first quarter of 2025, COOEC adhered to the strategic leadership, focused on lean management, reduced costs, improved quality, increased efficiency and achieved steady growth, and continued to enhance its core competitiveness. COOEC's security situation was stable, quality control was in place, capital structure was robust, and funds were abundant. In the first quarter, the operating revenue was RMB 5.096bn, and the net profit attributable to shareholders of the listed companies was RMB 541mn, hitting a new high in the same period.

Continue to deepen the market and build a solid foundation for development. COOEC reported a contract amount of RMB3.563bn in the first quarter. As of the end of the reporting period, the total amount of orders in hand was about RMB38.4bn, which continued to provide a solid guarantee for the steady development of COOEC's business.

Continue to promote engineering construction, and the production runs in an orderly manner . COOEC operated a total of 69 projects above designated size in the first quarter. The onshore processing capacity was 109,700 tons; 5,900 ship days were invested in offshore operations such as installation.

The domestic business proceed steadily and step by step. Bozhong 26-6 Oilfield Development Phase I Project was successfully completed, and the "elevation integration" pre-final assembly construction mode was increased to 81%; The jacket of Wenchang 16-20,000 tons offshore oil and gas platform independently designed and built has successfully completed the highest installation in Hainan waters.

Overseas business is progressing steadily. The jackets of Qatar ISND 5-2 project have all been capped. This project is the international offshore oil and gas field general contracting project with the richest business types and most complex work contents undertaken by a Chinese enterprise. It has won the owner's 1 million safe man-hours without a lost time injury commemoration award, which also marks that COOEC's executable construction difficulty and technical requirements have reached the international advanced level.

Green projects are carried out efficiently. The world's largest single-unit capacity deep-sea tension leg floating wind power platform - Lufeng Oilfield Group Clean Energy Power Supply Transformation Demonstration Project was successfully started; The Inch Cape European Offshore Wind Power Project, the largest overseas wind power project led by a Chinese enterprise, has successfully entered the construction stage.

Continue to strengthen scientific research and focus on deep-sea technology. In the first quarter, COOEC actively carried out a total of 376 scientific and technological innovation R&D projects, and all tasks were carried out in an orderly manner. Successfully completed the air tightness test of China's first self-developed deepwater subsea Christmas tree, which is currently the Christmas tree with the largest water depth, the highest pressure level and the widest temperature application range in China, marking a solid step in the localization of the COOEC's deepwater oil and gas development equipment; The construction of the first 100,000-level high-level clean room for offshore oil and gas equipment has been completed, creating the core competitiveness of precision manufacturing of offshore oil and gas equipment in China.