Sino Oil and Gas Holdings Limited announced Appointment of Ms. Wong Kai Ling as non-executive director, Mr. Wan Man Wah as independent non-executive director, chairman of each of the Audit Committee and Remuneration Committee and member of the Nomination Committee and resignation of Ms. Cai Yanling as non-executive director. Ms. Wong Kai Ling, aged 30, obtained a bachelor's degree (Hons) in Finance and Accounting from Durham University, United Kingdom and a master's degree in Innovation and Entrepreneurship from University of Warwick, United Kingdom. Ms. Wong served as the vice president of investment banking division of China Huarong International Holdings Limited and was responsible for project analysis and investment.

She has participated in the investment and subsequent management of natural gas, oil and gas, clean energy and coal projects as well as property and logistics investment projects. Having extensive investment experiences in energy sector, she has played an important role in investment cooperation with the world's top 500 enterprises. Ms. Wong was transferred from China Huarong International Holdings Limited to China Huarong Overseas Investment Holdings Co., Limited ("Huarong Overseas") in 2019.

She is currently the senior vice president of asset management division of Huarong Overseas and is responsible for asset management. Huarong Overseas is a subsidiary of China Huarong Asset Management Co. Ltd., the shares of which are listed on the Main Board of the Stock Exchange .

Crescent Spring Investment Holdings Limited, being holder of the Company's convertible bonds in the principal amount of $130,000,000, is a wholly owned subsidiary of Huarong Overseas. Ms. Wong acted as executive director of Silk Road Logistics Holdings Limited from May 2020 to July 2021. Mr. Wan Man Wah, aged 55, is a certified public accountant (practising) in Hong Kong and is a fellow member of the Association of Chartered Certified Accountants and an associate member of the Hong Kong Institute of Certified Public Accountants.

He holds a Master of Science degree in Accounting from the Hong Kong Polytechnic University and a Master of Science degree in Finance from City University of Hong Kong, with more than 30 years of experience in auditing, company secretarial and tax accounting. Mr. Wan acted as independent non-executive director of China Wood International Holding Co., Limited from March 2021 to December 2021 . He was an independent non-executive director, and the chief financial officer and company secretary of Rosan Resources Holdings Limited, from April 2021 to July 2021 and July 2021 to December 2022 respectively.

He is now the shareholder and the executive director of E&W CPA Co. Limited mainly responsible for corporate auditing, company secretarial and tax consulting.