TATUNG COMPANY — Proxy Solicitation & Information Statement 2025

Dec 10, 2025

Stock Code:2371

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Tatung Company

Notice of 2025 2[nd] Special Shareholders’ Meeting

(Summary Translation - In case of any discrepancy between the Chinese and English versions, the Chinese version shall prevail.)

Dear Shareholders,

• I. The 2025 2[nd] Special Shareholders’ Meeting (the “Meeting”) of Tatung Company will be held at 9:00 AM on Tuesday, December 30, 2025 at 22, Zhungshan N. Rd., 3rd Sec., Taipei, Taiwan, 104 (The 18th floor of North Design Building). The registration time for the meeting is 8:00 a.m.. The agenda for the Meeting is as follows:

  1. Election Items:

     • (1) Election of the Company's Directors:[Election of 9 Directors (including 3 Independent Directors)].

  2. Discussion Items:

     • (1) To release the directors (independent directors) and representative from the non-competition restrictions.

  3. Extemporary Motions

• II. If the Company decides to hold a meeting under Article 172 of the Company Law, electronic files will be posted to the Market Observation Post System at “https://emops.twse.com.tw/server-java/t58query”.

  • Please select “Shareholders’ Meetings” under the “Electronic Books” tab, enter the year, and click “GO” to find the meeting files corresponding to Company code.

• III. This Meeting elected nine directors (including three independent directors) through a candidate nomination system. The list of director candidates is as follows: Jung-Hua Chang (Representative of Sheng Yu Capital Co., Ltd.), Ming-Hui Kao (Representative of Elitegroup Computer Systems Co., Ltd.), Xing-Hua Lu (Representative of Sheng Yu Capital Co., Ltd.), Ya-Hsuan Wang (Representative of Xin Tong Investment Consultancy Co.), Bao-Huei

Huang (Representative of Xin Tong Investment Consultancy Co.), and Liang-Yuan Hsu (Representative of Xin Tong Investment Consultancy Co.). The list of independent director candidates is as follows: Zhong-Pei Li , Zhe-Liang Ye, and Jian-Cheng Chen. For their educational background and other relevant information, please visit the Public Information Observation Station (https://emops.twse.com.tw/server-java/t58query), select "Summaries" then "Shareholders' meetings & Dividends" and finally "Summary of election of directors and supervisors conducted through the candidate nomination system, cumulative voting system, or block vote, and information of persons elected," and enter your search criteria.

• IV. Pursuant to Article 165 of the Company Act, the Company hereby closes the share transfer registration from December 1, 2025 to December 30, 2025.

• V. According to Article 26-2 of the Securities and Exchange Act, "A company that has issued stock under this Act, when giving a shareholders meeting notice to shareholders who own less than 1,000 shares of registered stock, may do so in the form of a public announcement. For a special shareholders meeting, such notice may be given 15 days before the meeting date." This notice will not be sent separately.

• VI. Please find the Notice of attendance and Proxy From enclosed with the notice. If you plan to attend the Meeting in person, please affix your signature or seal to the Sign-in card and submit it on the day of the Meeting. If you wish to appoint a proxy to attend the Meeting, please fill out the name and relevant information of the proxy, affix your signature or seal to the Proxy Form. Such the Proxy Form shall be delivered to the Company’s securities agent of Grand Fortune Securities Co., Ltd. at least five days prior to the Meeting.

• VII. If a proxy is solicited by the shareholder(s), the Company is required to compile details on the proxy solicitation parties and disclose such information on the Securities & Futures Institute (SFI) website at (https://free.sfi.org.tw) no later than December 12, 2025. Shareholder(s) can obtain information on the "Free proxy disclosure & related information system".

• VIII. Shareholders may exercise his/her voting rights through electronic votes at the STOKEVOTE platform (https://stockservices.tdcc.com.tw) of Taiwan Depository & Clearing Corporation (TDCC) during the period from December 13, 2025 to December 27, 2025.

• IX. The Transfer Agency Department of Grand Fortune Securities Co., Ltd. is the proxy tallying and verification institution for this Annual meeting.

• X. For more information, please log in to M.O.P.S. (https://mops.twse.com.tw).

• XI. Please be advised and perform accordingly.

Sincerely Yours,

Board of Directors, Tatung Company