Petro-king Oilfield Services Limited announces that Mr. Wong Shiu Kee ("Mr.Wong") has tendered his resignation as a non-executive Director with effect from 29 December 2023, in order to devote more time to his other work and personal commitments. The Board also announce that Ms. Zhou Sisi ("Ms. Zhou") has been appointed as an executive Director with effect from 20 December 2023. The biographical details of Ms. Zhou are set out as follows: Ms. Zhou Sisi (), aged 32, joined the Group as investor relation officer in July 2019, and was appointed as the vice president on 1 December 2023.

Ms. Zhou is responsible for business development, customer relations, investor relations and the environmental, social and governance development of the Group. Ms. Zhou graduated from the University of Oregon in December 2015 with a bachelor's degree in Science. Before joining the Group, Ms. Zhou has approximately 3 years of working experience in the commercial banking industry.