Ab&B Bio-Tech CO., LTD. JS — Board/Management Information 2026

Apr 24, 2026

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

中華總會

Ab&B Bio-Tech

Ab&B Bio-Tech CO., LTD. JS

江蘇中華大學工業科技研究所

(A joint stock company established in the People's Republic of China with limited liability)

(Stock Code: 2627)

ANNOUNCEMENT

(I) NOMINATION OF INDEPENDENT NON-EXECUTIVE DIRECTOR

(II) CHANGE OF BOARD COMMITTEE MEMBERS

AND

(III) PROPOSED AMENDMENTS TO THE ARTICLES OF ASSOCIATION

The board (the "Board") of directors (the "Directors") of Ab&B Bio-Tech CO., LTD. JS (the "Company" or "Ab&B Bio-Tech", together with its subsidiary, the "Group") proposes to (i) nominate Ms. LUI Mei Ka ("Ms. Lui") as a candidate for independent non-executive director of the second session of the Board; (ii) appoint Ms. Lui as a member of the Audit Committee of the Board; and (iii) make certain amendments (the "Proposed Amendments") to the articles of association of the Company (the "Articles of Association").

NOMINATION OF INDEPENDENT NON-EXECUTIVE DIRECTOR

Reference is made to the announcement of the Company dated January 12, 2026 (the "Announcement") in relation to, among other things, the resignation of Mr. CHENG Qianwen ("Mr. Cheng") as a non-executive director of the Company and a member of the Audit Committee of the Board. Mr. Cheng will continue to perform his duties as a non-executive director of the Company and relevant duties as the member of Audit Committee of the Board until a new non-executive director of the Company takes office.

The Board is pleased to announce that Ms. Lui has been nominated as a candidate for independent non-executive Director of the second session of the Board. Her appointment shall be subject to the adoption of Proposed Amendments, and consideration and approval at the general meeting of the Company. The term of office of Ms. Lui shall commence from the date of approval by the general meeting and shall expire upon the expiration of the term of office of the second session of the Board. Subject to the applicable laws and regulations and the Articles of Association in effect, Ms. Lui is eligible for re-election upon the expiration of her term of office.

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The biography of Ms. Lui is set out below:

Ms. Lui, aged 38, has around 20 years of experience in financial management and corporate finance. From May 2016 to July 2018, she was the chief financial officer and company secretary of GR Life Style Company Limited (國親生活有限公司) (stock code: 108), a company listed on the Main Board of the Stock Exchange and which is engaged in property development and investment. From March 2014 to May 2016, she was the company secretary and financial controller of LT Commercial Real Estate Limited (勒泰商業地產有限公司), a company previously listed on the Main Board of the Stock Exchange under the stock code 112, which was engaged in property development and investment. Prior to that, Ms. Lui had about seven years of experience in auditing and accounting at Deloitte Touche Tohmatsu from September 2006 to March 2014.

Currently, Ms. Lui serves as a managing director at Merit Corporate Services Company Limited (適力企業服務有限公司). Since September 2024, Ms. Lui has been an independent non-executive director of China Tontine Wines Group Limited (中國通天酒業集團有限公司) (stock code: 389), a company listed on the Main Board of the Stock Exchange. Since September 2023, Ms. Lui has been an independent non-executive director of GoFintech Innovation Limited (國富量子創新有限公司) (stock code: 290), a company listed on the Main Board of the Stock Exchange. Since September 2018, Ms. Lui has been the chief financial officer and a joint company secretary of Feiyu Technology International Company Limited (飛魚科技國際有限公司) (stock code: 1022), a company listed on the Main Board of the Stock Exchange. Since April 2017, Ms. Lui has also been an independent non-executive director of China Tangshang Holdings Limited (中國唐商控股有限公司) (stock code: 674), a company listed on the Main Board of the Stock Exchange.

Ms. Lui graduated from The Chinese University of Hong Kong with a degree in Bachelor of Business Administration in 2006 and is currently a member of the Hong Kong Institute of Certified Public Accountants.

As at the date of this announcement and save as disclosed above, Ms. Lui confirmed that (1) she has not held any other directorships in other listed public companies in the past three years, and does not hold any other major appointments or professional qualifications; (2) she does not hold any other position in the Company or its subsidiary; (3) she does not have any relationships with any directors, supervisors, senior management, substantial shareholders or controlling shareholders of the Company or its subsidiary; (4) she does not hold any interest in the shares of the Company within the meaning of Part XV of the Hong Kong Securities and Futures Ordinance; and (5) there is no any other information that needs to be disclosed pursuant to the requirements under Rule 13.51(2)(h) to (v) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Listing Rules"), nor is there any other matter relating to his appointment that needs to be brought to the attention of the shareholders of the Company. Ms. Lui further confirmed that (1) she complies with each of the independence criteria referred to in Rule 3.13(1) to (8) of the Listing Rules; (2) she has no past or present financial or other interest in the business of the Company or its subsidiary or any connection with any core connected person (as defined in the Listing Rules) of the Company; and (3) there are no other factors that may affect her independence at the time of her nomination of independent non-executive director. The Board considers that she meets the requirements of independence as set out in Rule 3.13 of the Listing Rules.

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The Nomination Committee of the Board has reviewed and assessed the background, professional skills and experience of Ms. Lui and taken into account such factors including but not limited to age, culture, educational background and other relevant factors, in respect of the board diversity policy. The Nomination Committee of the Board considers that, as set out in Ms. Lui’s biographical details, she possesses accounting and other working experiences necessary to perform the duties of independent non-executive Director, has the ability to provide independent, balanced and objective advice on corporate matters, and to bring her personal views, skills and experiences to the Board, while complying with the board diversity policy adopted by the Company. Therefore, her election as an independent non-executive Director is in the best interests of the Company and its shareholders as a whole.

The Company will enter into a director service contract with Ms. Lui. During her term of office, Ms. Lui will receive allowance from the Company in the amount of RMB120,000 per annum in accordance with the Remuneration Plan for the Second Session of the Board, which has been approved at the general meeting of the Company.

CHANGE OF BOARD COMMITTEE MEMBERS

Further to the above resignation of Mr. Cheng and nomination of Ms. Lui, the Board is also pleased to announce that Ms. Lui has been appointed as a member of the Audit Committee of the Board, with effect from the date of which the Proposed Amendments have been adopted and Ms. Lui is elected as a independent non-executive Director at the general meeting of the Company.

PROPOSED AMENDMENTS TO THE ARTICLES OF ASSOCIATION

The Board proposed to make certain amendments to the Articles of Association for the purposes of, among others, adjusting the Board composition from three independent non-executive Directors to at least three independent non-executive Directors to improve the Group’s internal control.

GENERAL

The nomination of independent non-executive Director shall be subject to consideration and approval at the general meeting of the Company by way of ordinary resolution, and the proposed amendments to the Articles of Association shall be subject to the consideration and approval at the general meeting of the Company by way of special resolution. A circular of the Company (including the notice of the general meeting) containing details of, among other things, the proposed amendments to the Articles of Association, and the nomination of independent non-executive Director will be dispatched to the shareholders of the Company in due course.

By Order of the Board

Ab&B Bio-Tech CO., LTD. JS

Mr. AN Youcai

Executive Director, chairman of our Board and general manager

Hong Kong, April 24, 2026

As at the date of this announcement, the Board comprises: (i) Mr. AN Youcai, Ms. LI Runxiang and Mr. HE Yiming as executive Directors; (ii) Mr. CHENG Qianwen, Mr. YU Jianlin and Mr. DU Mu as non-executive Directors; and (iii) Mr. LI Xiangming, Mr. LI Jianjun and Mr. CHEN Chengbei as independent non-executive Directors.