TRI — AGM Information 2026

Apr 24, 2026

TRI innovation

Test Research, Inc.

Test Research Inc.

Meeting Notice of 2026 Annual General Shareholders Meeting

(Summary Translation)

I. The Company will convene 2026 Annual General Shareholders Meeting on 3F., No. 36-1, Huangxi St., Shilin Dist., Taipei City at 9:00 a.m. on May 27 (Wednesday), 2026.

The meeting agenda includes:

1. Reporting items:
   (1) 2025 Annual Business Report.
   (2) Audit Committee’s Review Report on 2025 Financial Statements.
   (3) 2025 Employees' and Directors’ Remuneration Proposal.

2. Approval items:
   (1) Adoption of 2025 Financial Statements.
   (2) Adoption of 2025 Earning Distribution Plan.

3. Discussion items:
   (1) Proposal of amendments to the Company’s Articles of Association.
   (2) Proposal of amendments to the Company’s Operating Procedures for Acquisition or Disposal of Assets.

4. Election items:
   To elect nine directors (including four independent directors).

5. Other matters:
   Proposal of releasing the prohibition on new directors from participation in competitive business.

6. Incidental motions.

II. The 2025 earning distribution plan upon the resolution of the Board is:

1. The cash dividend per share is NT$7.
2. As for the earning distribution plan, the Board is authorized to settle the record date after it is passed in the Shareholders Meeting.
3. In the event that, the transfer, exchange and cancellation of shares or buyback of shares of the Company affects the amount of outstanding shares and the payout ratio for shareholders, the Board is authorized to change the related affairs.

III. A total of 9 directors (5 directors and 4 independent directors) shall be elected in 2026 general shareholders meeting based on the candidate nomination system. The list of candidates is as below: Directors: Chieh-Yuan Chen, Chiang-Huai Lin, Wen-Ming Wu and Mei-Jin Chen; and Independent

7F., No.45, Dexing W. Rd., Shilin District, Taipei City 11158, Taiwan TEL: (+886)-2-28328918 FAX: (+886)-2-28310567 www.tri.com.tw

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TRI innovation

Test Research, Inc.

directors: Liang-Chia Chen, Chi-Jui Huang, Ju-Yi Lee and Chia-Chi Wang. For information regarding the candidates' educational background and experience, please visit the Public Information Observation System for inquiry (https://mops.twse.com.tw/).

IV. Any material matters subject to the regulation of Article 172 of the "Company Act" shall be listed on the Meeting Notice and made available on the Market Observation Post System (https://mops.twse.com.tw/).

V. Each attendance notification and proxy form is attached in this meeting notice. If the shareholder(s) plans to attend the meeting in person, please sign or stamp on the attendance notification (no need to send back) and carry it to the check-in desk on the day of the meeting (time to check-in: 8:30 a.m. at the venue). In the case that an agent is entrusted to attend the meeting, the shareholder shall sign or stamp on the proxy form and personally fill out the name and address of the agent, then deliver the proxy form to the Stocks Affairs Department of KGI Securities (5F, No. 2, Chongqing South Road, Taipei City) at least 5 days prior to the day of the meeting. The signed proxy form will serve as the sign-in card for agent to represent your vote at the meeting. If any agent doesn't receive the sign-in card, it shall present the identity certification to the venue for issuance.

VI. Participants are requested to bring identification documents for verification.

VII. According to Article 26-2 of the Securities and Exchange Act, for the shareholders holding less than 1,000 shares, the meeting notice will be announced, and won't be sent separately.

VIII. In this shareholders meeting, the shareholders may exercise their voting right in an electronic way during the period April 25, 2026~May 24, 2026. Shareholders may log in the STOCKVOTE website (http://www.stockvote.com.tw) of Taiwan Depository & Clearing Corporation (TDCC) for voting based on the related instructions.

IX. The proxies of this general shareholders meeting shall be tallied and verified by the Stocks Affairs Agency Department of KGI Securities.

X. If members solicit proxies to attend this general shareholders meeting, the Company will compile a summary statement and disclose the content on the website of Securities & Futures Institute (http://free.sfi.org.tw) b April 24, 2026. Shareholders can inquire it based on the instructions on the website.

XI. No souvenir will be distributed in this shareholders meeting.

Sincerely,

Board of Directors of Test Research Inc.

7F., No.45, Dexing W. Rd., Shilin District, Taipei City 11158, Taiwan

TEL: (+886)-2-28328918

FAX: (+886)-2-28310567

www.tri.com.tw