The board of directors of CHK Oil Limited announced that Mr. Yun Guangrui has resigned as an executive Director of the company due to his other business arrangements with effect from 1 June 2020. In addition, Mr. Xu Guoqiang (i) has resigned as an independent non-executive Director of the company; and (ii) has ceased to be a member of audit committee, a member of remuneration committee and a member of nomination committee of the company due to his other business arrangements with effect from 1 June 2020. The Board also announced that with effect from 1 June 2020, Ms. Zhong Bifeng, an independent non-executive Director, be appointed as a member of the audit committee and a member of the nomination committee; and Mr. Cao Wei, an independent non-executive Director, be appointed as a member of the remuneration committee.