CNOOC Limited Honored with 2010 Platts Global Energy Awards

Hong Kong,-- CNOOC Limited (the “Company", NYSE: CEO, SEHK: 0883) is pleased to announce that it has been recognized as “Energy Company of the Year”, the highest award of Platts Global Energy Awards this year. In addition, the Company has been selected as “Energy Producer of the Year” by Platts.

Platts Global Energy Awards are the premier honor of energy industry. CNOOC Limited is the first Chinese energy company receiving the awards since the establishment of Platts Global Energy Awards 12 years ago.

Larry Neal, president of Platts, commented,“Not only is this a first win for China in the Awards history, but CNOOC Limited ranks among an elite few companies that have taken home awards in two categories in the same year.”

“Energy Company of the Year” is selected from the finalists in all other categories at the annual Platts Global Energy Awards. According to Platts, in its selection of Energy Company of the Year, Platts’ panel of judges highlighted CNOOC Limited’s surge onto the global energy stage. They pointed to the Company’s strong strategic investments, streamlined management, increased activities in engineering, construction and development, as well as its exploration discoveries and increased priority on social responsibility – all of which underscore the firm’s commitment to becoming a truly “world class” energy company.

“Energy Producer of the Year” recognizes a company in the upstream sector which demonstrates excellence in exploration and production results, customer care, financial results, safety, security and strategic vision.

Chairman of the Company, Mr. Fu Chengyu commented, “We are honored to receive these prestigious awards and would like to express my gratitude to our Board of Directors and all of our employees. These awards are not only the recognition for what we did, but also encouragement for us to do more and better in the future. While focusing on providing reliable energy to the community, the Company will strive to accomplish harmonious development between the Company and the communities where we have operation.”

Mr. Yang Hua, the Vice chairman and CEO of CNOOC Limited said, “I would like to thank Platts for this recognition. As always, we’ll continue to be committed to enhance our enterprise value in the market, reward shareholders and benefit the society.”