TYK Medicines, Inc — Board/Management Information 2021

Dec 15, 2021

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GUANGDONG TANNERY LIMITED 粤海制革有限公司

(Incorporated in Hong Kong with limited liability)

(Stock Code: 01058)

LIST OF DIRECTORS AND THEIR ROLES AND FUNCTIONS

Effective from 16 December 2021, the board of directors (the “Board”) and Board committees of Guangdong Tannery Limited are as follows:

(1) Board of Directors

(2) Board Committees

Executive Directors

Mr. Zhou Hao (Chairman) Mr. Sun Jun (Managing Director)

Non-Executive Directors

Mr. Kuang Hu Mr. Ding Yatao Mr. Qiao Jiankang

Independent Non-Executive Directors

Mr. Yeung Man Lee, BBS, JP Mr. Leung Luen Cheong Mr. Yang Ge

Nomination Committee

Mr. Zhou Hao (Chairman) Mr. Yeung Man Lee Mr. Leung Luen Cheong Mr. Yang Ge

Audit Committee

Mr. Yang Ge (Chairman) Mr. Yeung Man Lee Mr. Leung Luen Cheong

Remuneration Committee

Mr. Leung Luen Cheong (Chairman) Mr. Yeung Man Lee Mr. Yang Ge

Hong Kong, 15 December 2021