CEO [CNOOC] 20-F: (Original Filing)
[(Title of Class) Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the period covered by the annual report. Shares 44,647,455,984 ý ¨ Yes ¨ ý Yes ý ¨ Yes ¨ ý Yes ý ¨ ¨ Large accelerated filer] [Subsidiaries As of December 31, 2017]