Announcement on the Fulfillment of Exercise Conditions for the Fourth Tranche of the 2021 Stock Option Incentive Plan

Securities Code: 002432 Securities Abbreviation: Jiuan Medical Announcement No.: 2026-020 Tianjin Jiuan Medical Electronic Co., Ltd. Regarding 2021 Stock Option Incentive Plan Announcement on the Fulfillment of Exercise Conditions for the Fourth Tranche The Company and all members of the Board of Directors guarantee the truthfulness, accuracy, and completeness of the information disclosed, and that there are no false records, misleading statements, or significant omissions. Key Information Prompt:

1. A total of 280 eligible employees meet the exercise conditions for this tranche, with 1.37875 million exercisable stock options, accounting for 0.30% of the company's current total share capital of 465,111,650 shares. The exercise price is RMB 2.96 per share.
2. This exercise adopts the self-exercise mode.
3. If all exercisable stock options are exercised, the company's shares will still meet the listing conditions.
4. The exercise matters for this tranche will be processed through China Securities Depository and Clearing Corporation Limited Shenzhen Branch. The company will announce separately once the procedures are completed. Investors are kindly requested to pay attention. Tianjin Jiuan Medical Electronic Co., Ltd. (hereinafter referred to as the "Company") held the fourth meeting of the Seventh Board of Directors on April 28, 2026, which reviewed and approved the "Proposal on the Fulfillment of Exercise Conditions for the Fourth Tranche of the 2021 Stock Option Incentive Plan." The specific details are hereby announced as follows: I. Decision-Making Procedures and Approval Status of the Company's 2021 Stock Option Incentive Plan
5. On October 28, 2021, the 20th meeting of the Fifth Board of Directors and the 17th meeting of the Fifth Supervisory Board reviewed and approved the "Proposal on the [Draft] and Summary of the Company's <2021 Stock Option Incentive Plan>", the "Proposal on the <2021 Stock Option Incentive Plan Performance Assessment and Management Measures>", and the "Proposal on Authorizing the Board of Directors to Handle Equity Incentive Related Matters by the Shareholders' Meeting," among other proposals. The independent directors of the Company issued independent opinions on the above proposals, and Beijing Zhong Yin Law Firm issued a corresponding legal opinion. For details, please refer to the announcement on the Juchao Information Network (http://www.cninfo.com.cn) dated October 29, 2021.
6. The Company conducted an internal public announcement of the names and positions of the incentive recipients under this incentive plan. The announcement period was from October 29, 2021, to November 11, 2021. As of November 11, 2021, the Supervisory Board of the Company had not received any objections from employees regarding the proposed incentive recipients. For details, please refer to the announcement on the Juchao Information Network (http://www.cninfo.com.cn) dated November 12, 2021.
7. On November 17, 2021, the Company held the First Extraordinary General Meeting of Shareholders in 2021, which reviewed and approved the "Proposal on the [Draft] and Summary of the Company's <2021 Stock Option Incentive Plan>", the "Proposal on the <2021 Stock Option Incentive Plan Performance Assessment and Management Measures>", and the "Proposal on Authorizing the Board of Directors to Handle Equity Incentive Related Matters by the Shareholders' Meeting," among other proposals. On November 18, 2021, the Company disclosed the "Self-Inspection Report on Insider Trading and Stock Trading by Incentive Recipients of the 2021 Stock Option Incentive Plan" (Announcement No.: 2021-089).
8. On December 9, 2021, the 21st meeting of the Fifth Board of Directors and the 18th meeting of the Fifth Supervisory Board reviewed and approved the "Proposal on the [Second Revision Draft] and Summary of the Company's <2021 Stock Option Incentive Plan>", the "Proposal on the <2021 Stock Option Incentive Plan Performance Assessment and Management Measures (Revised)>", and the "Proposal on Authorizing the Board of Directors to Handle Equity Incentive Related Matters by the Shareholders' Meeting," among other proposals. The independent directors of the Company issued independent opinions on the above proposals, and Beijing Zhong Yin Law Firm issued a corresponding legal opinion. For details, please refer to the announcement on the Juchao Information Network (http://www.cninfo.com.cn) dated December 10, 2021.
9. On December 27, 2021, the Company he