CNOOC to Become a Component of Hang Seng China Enterprises Index

CNOOC Limited announces that the Company will become a component of the Hang Seng China Enterprises Index ("HSCEI"), effective from 5 March 2018.

The move comes after Hang Seng Indexes Company Limited recently announced the results of its quarterly review of the Hang Seng Family of Indexes ended 29 December 2017. CNOOC has been selected to join the HSCEI as constituent. The inclusion is another positive signal that the capital market further recognizes the Company's stock performance and market value.

Prior to this announcement, CNOOC has been included as constituents in the Hang Seng Index, Hang Seng Index - Commerce & Industry, Hang Seng China-Affiliated Corporations Index, Hang Seng Global Composite Index and Hang Seng Stock Connect Hong Kong Index, etc.

Mr. Yuan Guangyu, CEO of CNOOC, said:
"This inclusion reflects investor confidence in the Company, and it proves the market has great expectations for us. We will strive to pursue valued growth, improve production efficiency and bring better returns for our shareholders."

Mr. Yang Hua, Chairman of CNOOC, said:
"Management will focus on fundamental business operation and fulfill our commitment to the market. We will carry out our established business objectives and strategies as always. We remain committed to corporate strategy and will continue to make progress to create greater value for our shareholders."