Lee & Ko provided legal service with respect to the issuance of USD1,000,000,000 global bonds issued by Korea National Oil Corporation, which is one of the leading Korean issuers in the global bond market. This transaction was successfully consummated during October 2016 in two tranches consisted of USD350,000,000 2.000 per cent. notes due 2021 and USD650,000,000 2.500 per cent. notes due 2026. Citigroup Global Markets Inc., Goldman Sachs International, The Hongkong and Shanghai Banking Corporation Limited, The Korea Development Bank, Société Générale and UBS AG, Hong Kong Branch took the role of joint lead managers. Lee & Ko represented the issuer. Lee & Ko capital markets team including Hyunjoo OH, Beum Rae KIM and Dong A Jung participated in this transaction.