Shanghai Jiaochen Ultrasonic Technology Co., Ltd. 2026 First Extraordinary Shareholders' Meeting Resolution Announcement

Securities Code: 688392 Securities Abbreviation: JiaoCheng Ultrasound Announcement No.: 2026-009

Shanghai JiaoCheng Ultrasound Technology Co., Ltd.

First Extraordinary Shareholders’ Meeting Resolution Announcement of 2026

The company’s board of directors and all directors guarantee that the content of this announcement is free from any false records, misleading statements, or major omissions, and assume legal responsibility for its truthfulness, accuracy, and completeness.

Important Content Highlights:

● Whether any resolutions were rejected at this meeting: No

1. Meeting convening and attendance

(1) Date of the shareholders’ meeting: March 19, 2026

(2) Location of the shareholders’ meeting: Company conference room (No. 1488 Cangyuan Road, Minhang District, Shanghai)

(3) Shareholders present, including ordinary shareholders, shareholders with special voting rights, shareholders with restored voting rights of preferred shares, and their voting rights:

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(4) Whether the voting methods comply with the Company Law and the company’s articles of association, and the convening and hosting of the meeting:

1. The voting methods used at this shareholders’ meeting are a combination of on-site voting and online voting.

2. Convening and hosting: The meeting was convened by the company’s board of directors and hosted by Mr. Zhou Hongjian, Chairman. The procedures for convening and holding the meeting, the qualifications of attendees and conveners, and the voting methods and procedures all comply with the Company Law and the Articles of Association of Shanghai JiaoCheng Ultrasound Technology Co., Ltd.

(5) Attendance of company directors and the company secretary:

1. The company has 5 current directors, all of whom attended;

2. Mr. Sun Kai, Vice President, Board Secretary, and Chief Financial Officer, attended the meeting; some senior management also attended.

3. Proposal review status

(1) Non-cumulative voting proposals

1. Proposal Name: “Proposal on Using Surplus Oversubscription Funds to Capitalize a Fully-Owned Subsidiary for Construction Projects”

Review result: Approved

Voting situation:

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(2) For major matters, the voting situation of shareholders holding less than 5% should be explained:

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(3) Explanation of voting-related matters:

1. Proposal 1 was voted on separately by small and medium investors.

2. Lawyer witness situation

(1) Law firm witnessing this shareholders’ meeting: Jiangsu Century Tongren Law Firm

Lawyers: Kan Ying, Cui Yang

(2) Lawyer’s conclusion:

In summary, our lawyers believe that the procedures for convening and holding this shareholders’ meeting comply with the Company Law, Rules for Shareholders’ Meetings of Listed Companies, Shanghai Stock Exchange Self-Regulatory Guidelines No. 1—Standardized Operation, and other laws, regulations, normative documents, and the Articles of Association; the qualifications of attendees and conveners are legal and valid; the proposals, voting procedures, and voting results of this meeting are legal and valid. The resolutions passed at this shareholders’ meeting are lawful and effective.

This announcement is hereby made.

Shanghai JiaoCheng Ultrasound Technology Co., Ltd. Board of Directors

March 20, 2026