The company purchased certain debt securities

Davis Polk advised the sole dealer manager in connection with CNOOC Petroleum North America ULC’s (CPNA) cash tender offer to purchase up to $951,123,000 combined aggregate principal amount of its 7.500% notes due 2039, 6.400% notes due 2037, 5.875% notes due 2035, 7.875% notes due 2032 and 7.400% notes due 2028, issued by CPNA and guaranteed by CNOOC Limited.

CPNA is a British Columbia unlimited liability company whose principal activities are the exploration, development and production of petroleum and natural gas in Canada. CPNA is an indirect, wholly owned subsidiary of CNOOC.

The Davis Polk capital markets team included partner Marcel Fausten and associate Joyce Kim. The Davis Polk tax team included partner Patrick E. Sigmon and associates Justin Corvino and Omar Hersi. All members of the Davis Polk team are based in the New York office.