The board of directors of Sinopec Oilfield Service Corporation announced that EGM was held on 2 February 2021 elected Zhou Meiyun, and Mr. Zheng Weijun as directors of the Company. The Board also announces that Ms. Jiang Bo, independent non-executive Director, Mr. Zhai Yalin, Supervisor and Mr. Zhang Hongshan, employee representative Supervisor ceased to be an independent non-executive Director, Supervisor and employee representative Supervisor, respectively, due to expiry of their terms of appointment, effective from 2 February 2021. The first meeting of the tenth Session of the Board was held on 2 February 2021, the Board is announce that Chen Xikun as Chief Officer of Strategy Committee and Mr. Yuan Jianqiang, Mr. Lu Baoping, Mr. Fan Zhonghai and Mr. Dong Xiucheng as members of Strategy Committee. Mr. Zheng Weijun as Chief Officer, Mr. Zhou Meiyun, Mr. Chen Weidong and Mr. Dong Xiucheng as Members of Audit Committee. Mr. Chen Weidong as Chief Officer and Mr. Fan Zhonghai, Mr. Dong Xiucheng and Mr. Zheng Weijun as Members of Remuneration Committee.