Quantgroup Holding Limited — Board/Management Information 2026

Mar 5, 2026

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Quantgroup Holding Limited

量化派控股有限公司

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 2685)

SUPPLEMENTAL ANNOUNCEMENT IN RELATION TO RESIGNATIONS OF EXECUTIVE DIRECTOR, CHIEF TECHNOLOGY OFFICER AND NON-EXECUTIVE DIRECTOR

Reference is made to the announcement of Quantgroup Holding Limited (the "Company") dated March 2, 2026 (the "Announcement") in relation to the resignation of Mr. ZHOU Qiang ("Mr. Zhou") from the positions as an executive Director, chief technology officer of the Company and from all other positions in the Group, and the resignation of Ms. LIU Fangwei ("Ms. Liu") from the position as a non-executive Director of the Company and from all other positions in the Group. Unless otherwise stated, capitalised terms used herein shall have the same meanings as those defined in the Announcement.

For clarification purposes, the Company would like to supplement that Mr. Zhou and Ms. Liu resigned due to their respective career development plans, and that there are no other reasons for their resignations.

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Save as disclosed above, all other information and contents set out in the Announcement remain unchanged.

By Order of the Board
Quantgroup Holding Limited
Dr. Zhou Hao
Chairman and Executive Director

Hong Kong, March 5, 2026

As at the date of this announcement, the Board comprises: (i) Dr. Zhou Hao, Mr. Li Yan, Mr. Song Yang, Mr. Zhang Yanshen and Mr. Tan Feng as executive Directors; (ii) Mr. Zhang Yi as non-executive Director; and (iii) Mr. Sun Junchen, Mr. Cao Jie and Ms. Guo Yongfang as independent non-executive Directors.

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