The board of directors of DeTai New Energy Group Limited announce that Mr. Liu Shihao (``Mr. Liu'') has been appointed as an executive Director with effect from 2 August 2021. Mr. Liu, aged 26, obtained his master's degree in Finance from City University of Hong Kong and bachelor's degree in mechatronic engineering from Chongqing University in the People's Republic of China (the ``PRC''). Mr. Liu is now the representatives of Cornerstone Securities Limited, licensed corporation which carries out Type 1 (Dealing in securities), Type 4 (Advising on securities) and Type 9 (Asset Management) regulated activities under the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong) (the ``SFO''). Mr. Liu worked for Cornerstone Financial Holdings Limited (stock code: 8112), a company listed on the GEM of The Stock Exchange of Hong Kong Limited (the ``Stock Exchange''), from July 2020 to November 2020, where his responsibilities included investment analyzing and post investment projects supervising. Mr. Liu worked for PacRay International Holdings Limited (stock code: 1010), a company listed on the Main Board of the Stock Exchange, from July 2019 to July 2020, where his responsibilities included due diligence and research of some potential investment projects. Mr. Liu has years of experience in investment bank, fund and commercial bank in the PRC and has extensive experience in the area of investment and management.