Doumob — Board/Management Information 2024

Mar 28, 2024

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.

==> picture [72 x 52] intentionally omitted <==

Doumob 豆 盟 科 技 有 限 公 司

(incorporated in the Cayman Islands with limited liability)

(Stock Code: 1917)

RESIGNATION AND APPOINTMENT OF INDEPENDENT NON-EXECUTIVE DIRECTOR

RESIGNATION OF DIRECTOR

The board of directors (the “ Board ”) of Doumob (the “ Company ”) hereby announces that on 25 March 2024, Mr. Wang Yingzhe has tendered his resignation as an independent non-executive director due to personal affairs and ceased to be the members of the Company’s audit committee, nomination committee and remuneration committee of the Company with effect from 29 March 2024.

Mr. Wang Yingzhe confirmed that he has no disagreement with the Board and is not aware of any matters in connection with his resignation that needs to be brought to the attention of The Stock Exchange of Hong Kong Limited and the shareholders of the Company (the “ Shareholders ”). The Board would like to take this opportunity to thank Mr. Wang Yingzhe for his efforts and valuable contributions to the Company during his tenure of office.

APPOINTMENT OF DIRECTOR

The Board is pleased to announce that Mr. Zhang Limin（張立敏）(“ Mr. Zhang ”) has been appointed as an independent non-executive director, a member of the audit committee, nomination committee and remuneration committee of the Company, with effect from 29 March 2024.

Mr. Zhang Limin, aged 66. During the period between July 1982 and February 1987, Mr. Zhang worked at the China University of Petroleum（中國石油大學）, and his last position was lecturer. From February 1987 to June 1997, Mr. Zhang worked at Yantai University（煙臺大學）as deputy director and director of student work department. From June 1997 to June 1998, Mr. Zhang served as a vice president of the Weihai Vocational College（威海職業學院）. From June 1998 to February 2003, Mr. Zhang served as the director of the Weihai Municipal Government Office Jinan Branch（威海市政府駐濟南辦事處）. From February 2003 to January 2007, Mr. Zhang served as a deputy secretary general of the Weihai

— 1 —

Municipal Government（威海市政府）. From January 2007 to May 2012, Mr. Zhang served as the director of the foreign affairs office of Weihai City（威海市外事辦公室）. From May 2012 to March 2018, Mr. Zhang served as the secretary of the Party Committee of Shandong Pharmaceutical and Food Vocational College（山東藥品食品職業學院）.

Mr. Zhang obtained a bachelor’s degree in petroleum storage and transportation from the China University of Petroleum（中國石油大學）in July 1982. Mr. Zhang obtained a master’s degree in administrative management from Jilin University in July 1996.

Mr. Zhang has entered into a service contract with the Company commencing from 29 March 2024 for three years, and will continue thereafter until terminated by not less than three months’ notice in writing served by either party on the other (subject always to re-election as and when required under the memorandum and articles of association of the Company). He will be entitled to an annual director’s fee of HKD200,000 which is determined with reference to his background, experience and level of responsibilities to be undertaken with the Company and the prevailing market conditions.

As at the date of this announcement, Mr. Zhang has confirmed that (i) he meets the independence criteria set out in rule 3.13 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “ Listing Rules ”); (ii) he has no past or present financial or other interests in the business of the Company or its subsidiaries and does not have any connection with any of the Company’s core connected persons (as defined in the Listing Rules); and (iii) there are no other factors which might affect his independence. As at the date of this announcement, other than disclosed above, Mr. Zhang (i) does not hold any position with the Company and other members of the Group; (ii) does not hold any directorship in any other listed companies in Hong Kong or overseas in the past three years; (iii) does not have any relationships with any Directors, senior management, substantial shareholders or controlling shareholders of the Company; and (iv) does not have any interest in shares of the Company and its associated corporations which is required to be disclosed pursuant to Part XV of the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong). There is no other matter relating to the appointment of Mr. Zhang that needs to be brought to the attention of the Shareholders and there is no other information that needs to be disclosed pursuant to the requirements of Rule 13.51(2)(h) to (v)of the Listing Rule.

The Board expresses its warm welcome to Mr. Zhang on joining the Board.

By order of the Board Doumob Yang Bin Chairman

Beijing, the PRC 28 March 2024

As at the date of this announcement, the executive Directors are Mr. Yang Bin and Ms. Liu Yuanyuan; the non-executive Director is Mr. Liu Ailun; and the independent non-executive Directors are Mr. Chan Yiu Kwong, Mr. Zhang Xuehuo and Mr. Wang Yingzhe.

— 2 —