O’Melveny Worldwide

O’Melveny Represents Placement Agents in Issuance of H-Shares of Sinopec Oilfield Service Corporation

February 13, 2018

FOR IMMEDIATE RELEASE

Hong Kong—February 13,2018—O'Melveny represented China International Capital Corporation Hong Kong Securities Limited, Deutsche Bank AG, Hong Kong Branch, Guotai Junan Securities (Hong Kong) Limited and CLSA Limited, as the Placing Agents, in the private placement of 3,314,961,482 new H Shares at HK$1.35 per H Share (the H Share Placement) of Sinopec Oilfield Service Corporation (SSC) on the main board of the Hong Kong Stock Exchange (1033.HK). Together with the H Share Placement, SSC issued and listed 1,526,717,556 new A Shares at RMB2.62 per A Share (the A Share Placement) on the Shanghai Stock Exchange (600871.SH). The proceeds of the H Share Placement were HK$4,475,198,000.70 and of the A Share Placement were RMB3,999,999,996.72.

The total proceeds of both of the H Share Placement and the A Share Placement were RMB7,687,518,397.32 (approximately US$1.2 billion).

SSC is the largest, integrated, and professional oilfield service provider in China and a leader in providing integrated and full industrial-chain services covering the whole life cycle of oil and gas field exploration. As of June 30, 2017, the Group provided oilfield services in 76 basins and 561 blocks in more than 20 provinces in China, while its overseas business keeps growing with 308 projects executed in 37 countries and regions.

The controlling shareholder of SSC is China Petrochemical Corporation (the Sinopec Group), Asia’s largest oil refining and petrochemical enterprise and one of the largest state-owned companies of China.

The O’Melveny team was led by partners Ke Geng and Edwin Kwok, and included counsel Jiaxiang Zhang.