TRI — AGM Information 2022

May 25, 2022

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Test Research Inc.

Meeting Notice of 2022 Annual General Shareholders Meeting (Summary Translation)

• I. The Company will convene 2022 Annual General Shareholders Meeting on 3F., No. 36-1, Huangxi St., Shilin Dist., Taipei City at 9:00 a.m. on May 25(Wednesday), 2022.

The meeting agenda includes:

1. Reporting items:

• (1)2021 Annual Business Report.

• (2)Audit Committee’s Review Report on 2021 Financial Statements.

• (3)2021 Employees' and Directors’ Remuneration Proposal.

2. Approval items:

• (1)Adoption of 2021 Financial Statements.

• (2)Adoption of 2021 Earning Distribution Plan.

3. Incidental motions.

• II. The 2021 earning distribution plan upon the resolution of the Board is:

• The cash dividend per share is NT$3.3.

• As for the earning distribution plan, the Board is authorized to settle the record date after it is passed in the Shareholders Meeting.

• 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. 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 (http://emops.twse.com.tw/).

• IV. 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 checkin 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

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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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.

• V. 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.

• VI. In this shareholders meeting, the shareholders may exercise their voting right in an electronic way during the period April 23, 2022~May 22, 2022. 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.

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

• VIII. 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) on April 22, 2022. Shareholders can inquire it based on the instructions on the website.

• IX. 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