First Notice of Put Option for Kangyi Convertible Bonds

Announcement Number: 2026-055

First Notice of Put Option for "Kangyi Convertible Bonds"

The Company and the entire Board of Directors guarantee the truthfulness, accuracy, and completeness of the information disclosed, and that there are no false records, misleading statements, or material omissions.

Special Notes

1. Bond Abbreviation: Kangyi Convertible Bonds

2. Bond Code: 123151

3. Convertible Bond Par Value: 100 yuan/bond

4. Put Option Price: 100.295 yuan/bond (including interest and taxes)

5. Put Option Condition Fulfillment Date: August 11, 2026

6. Put Option Application Period: August 13, 2026 to August 19, 2026

7. Issuer Fund Arrival Date: August 24, 2026

8. Put Payment Transfer Date: August 25, 2026

9. Investor Put Payment Arrival Date: August 26, 2026

10. "Kangyi Convertible Bonds" will be suspended from conversion during the put option application period.

11. Holders of "Kangyi Convertible Bonds" have the right to choose whether to exercise the put option; this put option is not mandatory.

12. Risk Warning: (1) If investors choose to exercise the put option, it is equivalent to selling their "Kangyi Convertible Bonds" at 100.295 yuan/bond (including interest and taxes). As of now, the closing price of "Kangyi Convertible Bonds" is higher than the current put price. Investors exercising the put option may incur losses. Investors are kindly reminded to pay attention to the risks. (2) In the last two interest calculation periods of "Kangyi Convertible Bonds," holders of "Kangyi Convertible Bonds" can exercise the put option once per year after the put option condition is first met, according to the agreed terms. If the put option condition is met for the first time and the holder of "Kangyi Convertible Bonds" does not apply for and complete the put option during the put application period announced by the company, they cannot exercise the put option in that interest calculation period. Holders of "Kangyi Convertible Bonds" cannot exercise partial put options multiple times.

The stock of Kangtai Medical Technology (Qinhuangdao) Co., Ltd. (hereinafter referred to as the "Company") had a closing price lower than 70% of the current conversion price of "Kangyi Convertible Bonds" (27.55 yuan/share), which is 19.29 yuan/share, for 30 consecutive trading days from July 1, 2026, to August 11, 2026.

As the Company is in the last two interest calculation periods, the conditional put option clause of "Kangyi Convertible Bonds" has become effective, in accordance with the "Prospectus for the Issuance of Convertible Corporate Bonds to the Public by Kangtai Medical Technology (Qinhuangdao) Co., Ltd. on the ChiNext Market" (hereinafter referred to as the "Prospectus"). The relevant matters regarding the put option for "Kangyi Convertible Bonds" are hereby announced as follows:

I. Overview of Put Option

According to the "Prospectus," the terms of the conditional put option are as follows:

1. Conditional Put Option Clause