Zai Lab Limited — Board/Management Information 2026

Feb 24, 2026

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Zai Lab Limited 再鼎醫藥有限公司*

(incorporated in the Cayman Islands with limited liability) (Stock Code: 9688)

LIST OF DIRECTORS AND THEIR ROLES AND FUNCTIONS

The members of the board of directors (the "Board") of Zai Lab Limited (the "Company") are set out below.

Director

Dr. Samantha Du (Chairperson and Chief Executive Officer)

Independent directors

Dr. John Diekman (Lead Independent Director)

Dr. Richard Gaynor

Ms. Nisa Leung

Mr. William Lis

Mr. Scott W. Morrison

Mr. Leon O. Moulder, Jr.

Mr. Michel Vounatsos

Mr. Peter Wirth

The Board has five Board committees. The table below provides membership information of these committees on which each director of the Company serves.

	Audit Committee	Compensation Committee	Nominating and Corporate Governance Committee	Research and Development Committee	Commercial Committee
Dr. Samantha Du				M	M
Dr. John Diekman	M	M	M
Dr. Richard Gaynor		M		C
Ms. Nisa Leung			M
Mr. William Lis			M
Mr. Scott W. Morrison	C
Mr. Leon O. Moulder, Jr.			C		M
Mr. Michel Vounatsos				M	C
Mr. Peter Wirth	M	C

Notes:

C Chairperson of the relevant Board committee M Member of the relevant Board committee

February 24, 2026

^* For identification only