ZHEJIANG YONGTAI TECHNOLOGY CO., LTD.

(GDR under the symbol: "YTT")

(a joint stock company established under the laws of the People's Republic of China with limited liability)

Notice of the Second EGM in 2025

NOTICE IS HEREBY GIVEN that the Second extraordinary General meeting in 2025 of Zhejiang Yongtai Technology Co., Ltd. (hereinafter referred to as the "Company") will be held at conference room on the second floor of the company's office building, No. 1 Donghai Fourth Avenue, Linhai Park, Zhejiang Chemical API Base, Zhejiang Province, China, on Thursday, 21 August 2025 at 15:00 (Beijing Time), for the purpose of considering, and if thought fit, passing the following resolution.

Special Resolution

1. To Repurchase and Cancellation of Partial Restricted Shares Granted but not yet Unlocked to Participants

2.To Change the Registered Capital of the Company and Amend the Articles of Association

Board of Directors

Zhejiang Yongtai Technology Co., Ltd.

31 July 2025

Special Resolutions

Resolution 1: To Repurchase and Cancellation of Partial Restricted Shares Granted but not yet Unlocked to Participants

To all Shareholders and Shareholders' proxies,

In accordance with the relevant provisions of the 2024 Equity Incentive Scheme of the Company, the Company repurchased and cancelled 153,159 restricted shares that had been granted but not yet unlocked due to the performance appraisal targets at company level not being fully met, as well as 120,000 restricted shares that had been granted but not yet unlocked to four participants who were no longer eligible for unlocking. A total of 273,159 restricted shares that had been granted but not yet unlocked were repurchased and cancelled at a repurchase price of RMB4.30.

Resolution 2：To Change the Registered Capital of the Company and Amend the Articles of Association

To all Shareholders and Shareholders' proxies,

The Company intends to repurchase and cancel 273,159 restricted shares that had been granted but not yet unlocked, which did not meet the conditions for unlocking during the first unlocking period of the 2024 Equity Incentive Scheme. Upon completion of the repurchase and cancellation of the aforementioned restricted shares, the registered capital of the Company will be changed from RMB925,400,795 to RMB925,127,636, and the total number of shares will be changed from 925,400,795 shares to 925,127,636 shares.

Due to a reduction in the registered capital of the Company, in accordance with provisions of relevant laws, regulations and normative documents including the Company Law, the Securities Law and the Guidelines on the Articles of Association of Listed Companies, the Company proposes to amend the registered capital and total number of shares in the Articles of Association. Details of the specific amendments are set out as below:

Except for the above clauses, other clauses of the Articles of Association remain unchanged. The aforesaid changes shall be subject to the contents approved by the market regulation administration.