CNOOC Limited Announces Key Operational Statistics for the Third Quarter of 2018

HONG KONG, Oct. 25, 2018 /PRNewswire/ — CNOOC Limited (the "Company", SEHK: 00883, NYSE: CEO, TSX: CNU) today announced its key operational statistics for the third quarter of 2018.

The Company achieved a total net production of 113.8 million barrels of oil equivalent ("BOE") for the third quarter of 2018, representing a decrease of 2.1% year over year ("YoY"). Production from offshore China reached 73.7 million BOE, almost flat from the same period last year. Overseas production decreased 5.4% YoY to 40.1 million BOE, mainly due to the lower production efficiency in the UK North Sea as a result of the preparation work for infill drilling program.

During the period, the Company made four new discoveries and drilled fourteen successful appraisal wells. The new discovery of Luda 4-3 made in offshore China was preliminarily evaluated as a mid-sized oil and gas structure. Successful drilling of Longtail Structure and Hammerhead Structure at the Stabroek block in Guyana further enhanced the asset value and laid a high-quality resource foundation for future development.

On development and production, three out of five new projects planned for this year have commenced production. Dongfang 13-2 gas fields and Wenchang 9-2/9-3/10-3 gas fields are under installation and commissioning, and expected to commence production within the year.

The unaudited oil and gas sales revenue of the Company reached approximately RMB 47.93 billion for the third quarter of 2018, representing an increase of 33.4% YoY, mainly benefitting from the increase of international oil prices. During the period, the Company's average realized oil price increased 40.7% YoY to US$71.55 per barrel and the average realized gas price increased 3.4% YoY to US$6.26 per thousand cubic feet.

For the third quarter of 2018, the Company's capital expenditure increased 29.6% YoY to approximately RMB 15.27 billion, mainly due to the increase in development and production workload.

Mr. Yuan Guangyu, CEO of the Company, said, "In the third quarter, the Company carried out a stable operation of production and its operating conditions went from strength to strength. The Company will keep this momentum to achieve the full-year targets of production and operation. CNOOC Limited will push ahead with high-quality development and continue to create value for its shareholders."

Notes to Editors:

More information about the Company is available at http://www.cnoocltd.com.

This press release includes "forward-looking statements" within the meaning of the United States Private Securities Litigation Reform Act of 1995, including statements regarding expected future events, business prospectus or financial results. The words "expect", "anticipate", "continue", "estimate", "objective", "ongoing", "may", "will", "project", "should", "believe", "plans", "intends" and similar expressions are intended to identify such forward-looking statements. These statements are based on assumptions and analyses made by the Company in light of its experience and its perception of historical trends, current conditions and expected future developments, as well as other factors the Company believes are appropriate under the circumstances. However, whether actual results and developments will meet the expectations and predictions of the Company depends on a number of risks and uncertainties which could cause the actual results, performance and financial condition to differ materially from the Company's expectations, including but not limited to those associated with fluctuations in crude oil and natural gas prices, the exploration or development activities, the capital expenditure requirements, the business strategy, whether the transactions entered into by the Group can complete on schedule pursuant to their terms and timetable or at all, the highly competitive nature of the oil and natural gas industries, the foreign operations, environmental liabilities and compliance requirements, and economic and political conditions in the People's Republic of China. For a description of these and other risks and uncertainties, please see the documents the Company files from time to time with the United States Securities and Exchange Commission, including the Annual Report on Form 20-F filed in April of the latest fiscal year.

Consequently, all of the forward-looking statements made in this press release are qualified by these cautionary statements. The Company cannot assure that the results or developments anticipated will be realised or, even if substantially realised, that they will have the expected effect on the Company, its business or operations.

For further enquiries, please contact:

Ms. Jing Liu
Manager, Media & Public Relations
CNOOC Limited
Tel: +86-10-8452-3404
Fax: +86-10-8452-1441
E-mail: [email protected]

Ms. Iris Wong
Hill+Knowlton Strategies Asia
Tel: +852-2894-6263
Fax: +852-2576-1990
E-mail: [email protected]

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SOURCE CNOOC Limited