PegBio Co., Ltd. — Board/Management Information 2026

May 19, 2026

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

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PegBio Co., Ltd. 派格生物醫藥 ( 杭州 ) 股份有限公司

(Stock Code: 2565)

LIST OF DIRECTORS AND THEIR ROLES AND FUNCTIONS

The members of the board of directors (the “ Board ”) of PegBio Co., Ltd. (the “ Company ”) and their respective roles and functions in the Board and the Board committees are set out below:

Board Committee Director	Audit Committee	Remuneration and Appraisal Committee	Nomination Committee	Strategy and Development Committee
Dr. Michael Min XU (Chairman, Executive Director)			M	C
Ms. Xiaojun WANG (Executive Director)		M
Dr. Xiangjun ZHOU (Non-executive Director)	M			M
Dr. Yuhong XU (Non-executive Director)				M
Ms. Ting ZHAI (Non-executive Director)
Mr. Hongkai LI (Non-executive Director)
Dr. Jiancun ZHANG (Independent Non-executive Director)		C	C
Dr. Yangyang CHEN (Independent Non-executive Director)	M

Notes:

• C Chairperson of the relevant Board committees

• M Member of the relevant Board committees

Hangzhou, the PRC, May 19, 2026