OREANDA-NEWS. May 13, 2013. CNOOC Limited (the “Company", NYSE: CEO, SEHK: 00883) announced on May 2, 2013 (New York time) the pricing of its offering of USD4,000 million aggregate principal amount of guaranteed notes.

The offering consists of USD 750 million of 1.125% guaranteed notes due 2016, USD 750 million of 1.750% guaranteed notes due 2018, USD 2,000 million of 3.000% guaranteed notes due 2023 and USD 500 million of 4.250% guaranteed notes due 2043 (collectively, the “Notes”). The Notes will be issued by CNOOC Finance (2013) Limited, a wholly owned subsidiary of the Company incorporated in the British Virgin Islands, and will be guaranteed by the Company.

The net proceeds from this offering are expected to be approximately USD 3,942 million. The proceeds are intended to be used mainly to repay part of a USD 6.0 billion short-term credit facility that was entered into for the purpose of financing the Company’s recent acquisition of Nexen Inc.

Application has been made to the Hong Kong Stock Exchange for listing of, and permission to deal in, the Notes. Listing of the Notes on the Hong Kong Stock Exchange is not to be taken as an indication of the merits of the Notes, the Company or CNOOC Finance (2013) Limited.

Bank of China (Hong Kong) Limited, Bank of China Limited, BOCI Asia Limited, BofA Merrill Lynch, China International Capital Corporation Hong Kong Securities Limited, Citigroup Global Markets Inc., Credit Suisse Securities (USA) LLC, Goldman Sachs (Asia) L.L.C., J.P. Morgan Securities LLC and UBS AG, Hong Kong Branch are acting as joint lead managers and joint bookrunners for the offering.

CCB International Capital Limited, ICBC International Securities Limited, Scotia Capital (USA) Inc. and Societe Generale are acting as co-managers for the offering.

The offering of the Notes is made pursuant to an effective shelf registration statement filed with the United States Securities and Exchange Commission on May 1, 2013. Copies of the prospectus supplement and the accompanying prospectus may be obtained from CICC US Securities, Inc, 350 Park Avenue, 28th Floor, New York, New York 10022, telephone: 1-646-794-8800; Citigroup Global Markets Inc., c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, New York 11717, telephone: 1-800-831-9146; Credit Suisse Securities (USA) LLC, Eleven Madison Avenue, New York, New York 10010-3629, telephone: 1-212-325-2000; Prospectus Department, Goldman Sachs & Co, 100 Burma Road, Jersey City, New Jersey 07305, telephone: 1-866-471-2526 / 1-212-902-1171; J.P. Morgan Securities LLC, 383 Madison Avenue, New York, New York 10179, telephone: 1-212-834-4533; Merrill Lynch, Pierce, Fenner & Smith Incorporated, 222 Broadway, 11th Floor, New York, New York 10038, telephone: 1-800-294-1322; or Fixed Income Syndicate, UBS Securities LLC, 677 Washington Boulevard, Stamford, Connecticut 06901, telephone: 1-203-719-1088.

This document does not constitute an offer to sell or the solicitation of an offer to buy any of the Notes, nor will there be any sale of the Notes in any jurisdiction in which such offer, solicitation or sale would be unlawful.