GIS — Proxy Solicitation & Information Statement 2026

Apr 17, 2026

General Interface Solution (GIS) Holding Limited Meeting Notice of 2026 Annual General Shareholders' Meeting (Summary Translation)

I. The 2026 Annual General Shareholders' Meeting (the "Meeting") of General Interface Solution (GIS) Holding Limited (the "Company") will be held on May 27, 2026 at 9:00 am Taiwan time, No.2, Houke S. Road, Houli Dist., Taichung City, Taiwan.

Agenda of the meeting:

(I) Reported Items :
1. Business Report of 2025
2. Audit Committee's Review Report of 2025
3. To report the payment of directors' remuneration of 2025
4. To report the distribution of employees' compensation of 2025
5. To report the resolution and implementation of repurchase

(II) Ratification Items :
1. To accept 2025 Business Report and Consolidated Financial Statements
2. To accept the proposal for appropriations of 2025 loss

(III) Election Item :
1. To elect seven directors (including four independent directors) being the sixth term of directors

(IV) Discussion Item :
1. To lift non-competition restrictions on the directors

(V) Extemporary Motions

II. There will be an election for seven directors (including four independent directors) at the Shareholder's Meeting, and the Candidate Nomination System is adopted. The list of director candidates is :

1. Candidates of Director :
   (1) Hsien-Ying Chou (周賢穎)
   (2) Guang-Yeu Fang (方光宇), Representative of High Precision Holdings Limited
   (3) Tung-Chao Hsu (徐同炤)

2. Candidates of Independent Director :
   (4) Ming-Hui Hsieh (謝明惠)
   (5) Li-Yin Chen (陳俐吟)
   (6) Yung-Shun Wu (吳永順)
   (7) Li-Ghyi Wen (溫麗琪)

To inquire about the relevant information such as educational background, please visit the MOPS (https://mops.twse.com.tw), click on ‘Summary Reports’, then select ‘Shareholders’ Meetings/Dividends’, and go to ‘Announcements on the Election of Directors under the Candidate Nomination System’, and enter the search criteria to proceed with your query.

III. "This shareholders' meeting involves matters specified in Article 46.4 of the Company's Articles of Incorporation. For the main content, please visit the

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MOPS(https://mops.twse.com.tw), click ‘Individual Company’, then select ‘Electronic Document Download’, and go to ‘Annual Reports and Shareholders’ Meeting Materials’. Enter the company code (or abbreviation) and year, and then click ‘Meeting Handbook and Supplementary Meeting Materials’ to search”.

IV. The book closure period is from March 29 to May 27, 2026.

V. In addition to the announcement on the MOPS, please find enclosed the "Attendance Card" and "Proxy Form". If you intend to personally attend the meeting, please sign or place your seal in the "Attendance Card of third copy" (No need to return). Shareholders may sign or place their seal in the "Proxy Form of fourth copy" to appoint a proxy to attend the meeting on his or her behalf and execute power of attorney in writing. Please fill in the "Proxy Form" and deliver to the Company's stock affairs agency, Grand Fortune Securities Co., Ltd. Stock Agency Department, no later than 5 days prior to the meeting date. Once the Stock Agency Department verifies that the information is correct, the Attendance Card will be sent to your proxy for receipt, as the proof to attend the meeting. If the shareholder or proxy does not receive the Attendance Card before 1 day prior to the meeting date, please bring your original identification documents to attend the meeting.

VI. The Company intends to compile a summary statement of the relevant information provided by shareholders through solicitation of the proxy and disclose the content in the website of Securities & Futures Institute (SFI) on April 24, 2026. Shareholders can access to SFI's web page (https://free.sfi.org.tw) and query by entering the stock code (6456) to view relevant information.

VII. In this meeting, shareholders may exercise their voting rights electronically. The exercising period is from April 25, 2026 to May 24, 2026. Please log in the "Stockservices" website of Taiwan Depository & Clearing Corporation (TDCC), and select the "eVoting" to vote in accordance with the instructions provided.

VIII. During the Meeting, you can search for "GIS 2026 年股東常會" on YouTube (https://www.youtube.com/) to watch the live broadcast of the Company's 2026 Annual General Shareholders' Meeting.

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

X. Please note and act accordingly.

To Shareholder

Board of Directors

General Interface Solution (GIS) Holding Limited