The board of directors of NNK Group Limited announced that (1) Mr. Huang Junmou, an executive Director, ceased to act as an authorised representative of the Company as required under Rule 3.05of the Rules Governing the Listing of Securities (the "Listing Rules") on The Stock Exchange of Hong Kong Limited (the "Authorised Representative ") so as to allow him more time to concentrate on the overall strategic planning and management works of the Group; and (2) Dr. Zhou Jinhuang has been appointed as an executive Director and the Authorised Representative with effect from 8 November 2022. The biographical details of Dr. Zhou are set out below: Dr. Zhou, aged 57, graduated from PLA Information Engineering University (currently known as the PLA Strategic Support Force Information Engineering University) in 1987 and obtained a master's degree in economics from the School of Economics of Beijing University in 1998 and a doctorate degree in economics from Beijing Normal University in 2007. From March 2019 to October 2022, Dr. Zhou was the general manager of the Information Technology Department of China Huarong Asset Management Co.

Ltd. and the chairman of Huarong Rongtong (Beijing) Technology Co. Ltd. From November 2016 to November 2018, Dr. Zhou worked as the chairman of the board of directors of JJJ Bill Exchange . From May 2015 to November From December 1998 to May 2015, Dr. Zhou successively served as the secretary and the deputy director of the secretariat department of the general office of the People's Bank of China, the deputy director of the payment and settlement department of the People's Bank of China and the director of the general office of the payment and settlement department of the People's Bank of China.

He has over 25 years of experience in the field of banking and finance in the People's Republic of China. From June 2016 to August 2019, Dr. Zhou served as an independent non- executive director of China Smartpay Group Holdings Limited, a company listed on GEM of The Stock Exchange of Hong Kong Limited.