The board of directors of Jianzhong Construction Development Limited announced that Mr. Ma Chun Kei (``Mr. Ma'') has resigned as a company secretary of the Company (the ``Company Secretary'') and will cease to act as one of the authorised representative of the Company (the ``Authorised Representatives'') under Rule 3.05 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the ``Stock Exchange'') with effect from 15 March 2024. Mr. Ma has confirmed that he has no disagreement with the Company; and there are no matters relating to his resignation that need to be brought to the attention of the Stock Exchange and shareholders of the Company. The Board also announced that Mr. Tam Chun Wai Edwin (``Mr. Tam''), has been appointed as the Company Secretary, one of the Authorised Representatives of the Company with effect from 15 March 2024.

Mr. Tam meets the qualification requirements of a company secretary under Rule 3.28 of the Listing Rules. Mr. Tam has over 20 years' experience in accounting, auditing, corporate and treasury management. Mr. Tam worked in Ernst & Young from September 2003 to May 2010 with his last position as audit manager.

Mr. Tam joined Greenheart Group Limited (a company listed on the Main Board of the Stock Exchange (stock code: 0094)) in May 2010 as financial controller, and was further appointed as vice president financial controller in April 2013, primarily responsible for financial and accounting management, operational finance, capital market transactions, merger and acquisition matters, corporate governance and compliance affairs. Mr. Tam left Greenheart Group and joined Noble Partners CPA Company, a certified public accountants firm, in August 2018. Mr. Tam served as the company secretary of Shenglong Splendecor International Limited (a company listed on the GEM of the Stock Exchange from July 2018 to June 2020.

Mr. Tam served as the company secretary of Michong Metaverse (China) Holdings Group Limited (formerly known as Nomad Technologies Holdings Limited (a company listed on the GEM of the Stock Exchange from August 2018 to December 2020. Mr. Tam has also been serving as the company secretary of Feiyang International Holdings Group Limited (a company listed on the Main Board of the Stock Exchange since January 2019, Vision International Holdings Limited (a company listed on the GEM of the Stock Exchange since May 2019, and TL Natural Gas Holdings Limited (a company listed on the GEM of the Stock Exchange since May 2019. Mr. Tam has been a practicing fellow member of The Hong Kong Institute of Certified Public Accountants since February 2008, a fellow member of the Association of Chartered Certified Accountants since November 2011 and a fellow member of both The Hong Kong Chartered Governance Institute and The Chartered Governance Institute in the United Kingdom since November 2022.

Mr. Tam obtained a bachelor's degree in accounting and finance from the Manchester Metropolitan University in the United Kingdom in June 2003.