The board of directors of CITIC Dameng Holdings Limited announced that due to work adjustment, Mr. Guo Aimin ("Mr. Guo") has resigned from his position as the Chairman, Executive Director and an authorized representative of the company for the purpose of Rule 3.05 of The Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Listing Rules") and an authorised representative of the Company for accepting on the company's behalf service of process or notice to be served on the company in Hong Kong under the Companies Ordinance (Chapter 622 of the Laws of Hong Kong) (collectively, the "Authorised Representatives") with effect from 22 December 2020. The Board announced that Mr. Li Weijian ("Mr. Li"), the Vice Chairman of the company, has been re-designated as Chairman and Authorized Representatives with effect from 22 December 2020. Mr. Li is also a senior professional manager and has 33 years of experience in manganese mining and manganese related business, at both the management and operational level and has assumed a wide spectrum of roles in different mining companies. The Board appointed Mr. Zhang He and Mr. Zhang Zongjian as the Executive Directors of the company with effect from 22 December 2020. Mr. Zhang He, aged 34, He has held various positions including assistant to the general manager of the seventh business development department in Huarong Securities Co. Ltd. and China Huarong International Holdings Limited (both are subsidiaries of China Huarong Asset Management Co. Ltd. (Stock Code: 2799.HK) ("China Huarong")). Mr. Zhang Zongjian, aged 44, is currently the general manager of Shandong Rongyuan Power Technology Co. Ltd. He has held as the general manager of Jinan Houde Hanzhang Economic and Trade Co. Ltd. He has extensive experience in corporate management of electricity power industry. The Board announced that due to his work adjustment, Mr. Suo Zhengang ("Mr. Suo") has resigned from his position as the Non-executive Director of the Company with effect from 22 December 2020. The Board announced that Mr. Tan Zhuzhong ("Mr. Tan") has resigned from his position as the Independent Non-executive Director of the Company with effect from 22 December 2020 as he has reached the retirement age. The Board appointed Mr. Zhang Yupeng as the Independent Non-executive Director of the Company with effect from 22 December 2020. Mr. Zhang Yupeng, aged 41, is currently a Non-executive director of China Tian Yuan Healthcare Group Limited (Stock Code: 0557.HK). He obtained a bachelor's degree in civil engineering from China University of Petroleum (East China) in 2003 and a master's degree in engineering from the International School of Software of Wuhan University in 2006.