CEO [CNOOC] 6-K: CNOOC Limited (中國海洋石油有限公司) (Incorporated in Hong Kong with
[CNOOC Limited (中國海洋石油有限公司) (Incorporated in Hong Kong with limited liability under the Companies Ordinance) (Stock Code: 00883) SUPPLEMENTAL NOTICE OF ANNUAL GENERAL MEETING Reference is made to the notice of annual general meeting for 2017 (the “AGM”) of CNOOC Limited (the “Company”) dated 12 April]