Announcement of Resolutions from the First Extraordinary General Meeting in 2026

Securities Code: 301522 Securities Abbreviation: Zhonghe Shangda Announcement No.: 2026-036

Zhonghe Shangda Aerospace Materials Co., Ltd.

Announcement of Resolutions from the First Extraordinary General Meeting in 2026

The Board of Directors and the entire Board of Supervisors guarantee the truthfulness, accuracy, and completeness of the information disclosed in this report and bear no legal liability for any false representations, misleading statements, or material omissions.

I. Special Notice:

1. There are no new increases, changes, or resolutions to be withdrawn for this shareholder meeting.

2. This shareholder meeting does not involve changes to the proposals already voted on by the shareholders.

A. Meeting Convening and Attendance

(I) Meeting Convening

1. Meeting Convening Time:

(1) On-site meeting time: July 6, 2026, 14:00.

(2) Online voting time: July 6, 2026, 9:15-9:25, 9:30-11:30, 13:00-15:00; Shenzhen Stock Exchange Securities Trading System online voting time: July 6, 2026, 9:15-15:00.

1. Meeting Venue: Zhonghe Shangda Aerospace Materials Co., Ltd. (hereinafter referred to as "the Company") meeting room.

2. Meeting Method: This shareholder meeting adopted a combination of on-site voting and online voting.

3. Meeting Conveners: The Board of Directors of the Company.

4. Conveners: Chairman of the Board, Mr. Dong Haicheng.

5. The convening and calling of this shareholder meeting comply with the "Company Law of the People's Republic of China" (hereinafter referred to as the "Company Law"), the "Shenzhen Stock Exchange Stock Listing Rules," and the "Articles of Association of Zhonghe Shangda Aerospace Materials Co., Ltd." (hereinafter referred to as the "Articles of Association").

(II) Meeting Attendance

1. Attendance of Shareholders and Voting Rights:

A total of 270 shareholders and shareholder representatives attended the meeting through on-site and online voting, representing 182,726,434 shares, accounting for 49.1376% of the total shares with voting rights in the company.

Of these, 4 shareholders and shareholder representatives attended through on-site voting, representing 98,830,000 shares, accounting for 26.5767% of the total shares with voting rights in the company.

A total of 266 shareholders and shareholder representatives attended through online voting, representing 83,896,434 shares, accounting for 22.5609% of the total shares with voting rights in the company.