The board of directors of CHK Oil Limited announced that with effect from 6 August 2021, Ms. Sun Xiaoze ("Ms. Sun") has been appointed as an executive Director. Ms. Sun, aged 35, received a Master of Science from the Graduate School of the Chinese Academy of Sciences (Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences) in July 2011. From July 2011 to October 2015, Ms. Sun served as the director of the Human Resources Department of Groupama AVIC Property Insurance Co. Ltd. From October 2015 to October 2019, Ms. Sun served as the director of the Human Resources Department of ZK Engineering (Beijing) Development Corporation. From November 2019 to June 2021, Ms. Sun served as the chief executive at Beijing Branch of Shenyang Rubai Hotel Management Co. Ltd. Ms. Sun has served as the art consultant of ADGY (Beijing) International Cultural Center and M56 Art Museum in Shenyang since 2018. With effect from 6 August 2021, Ms. Yang Yuyan ("Ms. Yang"), an independent non-executive Director, has been re-designated as an executive Director and due to her re-designation, she has also resigned as a member of the Remuneration Committee, and the chairlady and a member of the audit committee of the Company (the "Audit Committee"). The Board announces that with effect from 6 August 2021, Mr. Zheng Ye ("Mr. Zheng") has been appointed as a non-executive Director. Mr. Zheng, aged 54, has nearly 30 years of working experience in the petroleum industry. From 1992 to 1998, Mr. Zheng served as a sales clerk at Changchun Materials Cooperation Co. Ltd. Since 2015, Mr. Zheng has served as a director and the deputy general manager of Changchun Xinda Petroleum Group Co. Ltd. Since 2015, Mr. Zheng has served as the deputy general manager of Jilin Xinda Petrochemical Co. Ltd. Since 2015, Mr. Zheng has served as the director of Beihu School of Changchun No. 11 High School. Since 2015, Mr. Zheng has served as the president of the Petroleum Chamber of Commerce of Jilin Federation of Industry & Commerce. The Board further announces that with effect from 6 August 2021, Ms. Huang Qingwei ("Ms. Huang") has been appointed as an independent non-executive Director, and the chairlady and a member of the Audit Committee; and Mr. Shen Shigang ("Mr. Shen") has been appointed as an independent non-executive Director and a member of Remuneration Committee. Ms. Huang, aged 42, finished a 3-year diploma accounting course in Jilin College of Finance & Taxation in July 2003. Ms. Huang currently holds the qualifications of intermediate accountant and certified public accountant in the PRC. She joined Grant Thornton International Ltd. in 2010 and served as a project manager from 2010 to 2013, as a manager from 2014 to 2017, and as a senior manager from 2018 to 2019. She has been served as a project manager at Zhongxi CPAs (Special General Partnership) since 2020. Mr. Shen, aged 48, is currently a qualified lawyer in the PRC. Mr. Shen obtained a bachelor's degree in economic law in 2005. Mr. Shen passed the qualification of Insurance Surveyor in September 2014. Mr. Shen has served as legal counsel for many enterprises and public institutions: for Benxi Xiyuan Industrial Co. Ltd. since April 2013; for Benxi Bureau of Finance since January 2019; for Liaoning Jiaguan Petrochemical Technology Co. Ltd. since July 2019; and for Liaoning Hexie Human Resources Co. Ltd. since February 2021.