SOE — Proxy Solicitation & Information Statement 2026

May 26, 2026

SHUN ON ELECTRONIC CO., LTD.

Meeting Notice for 2026 Annual General Shareholders' Meeting

(Summary Translation)

Meeting Notice The 2026 Annual Shareholders' Meeting is scheduled to be held on June 26, 2026 (Friday) at 9:00 AM (with shareholder check-in starting thirty minutes before the meeting), at Venue: No. 1, Dahua Road, Qionglin Township, Hsinchu County, Taiwan (Conference Hall, Ninth University of Science and Technology Library). Meeting Agenda: (1) Reporting Matters: 1. 2025 Business Report. 2. Audit Committee's review of the 2025 financial statements. 3. Report on the Implementation Status of the Company's Share Buyback. (2) Recognition Matters: 1. Approval of the 2025 Business Report and financial statements. 2. 2025 Annual Loss Offset Plan of the Company. (3) Discussion Matters: Amendment proposal for the "Articles of Incorporation" partial provisions. (4) Election Matters: Proposal for the complete re-election of directors. (5) Other Matters: Approval of the release of prohibition on new directors and their representatives from participation in competitive business. (6) Ad Hoc Motions.

I. At this shareholders' meeting, 11 directors (including 4 independent directors) will be elected using the nomination system. The list of director candidates includes Qin Ronghua, Representative of Min Tai International Co., Ltd.: Sen-Ying Chiu, Zhang Rongde, Representative of Min Tai International Co., Ltd.: TOMOYUKI YAMADA, Chen Shichang, Representative of Zhijia Investment Co., Ltd.: Pei-Cheng Yeh, Representative of Chicony Electronics Co., Ltd.: Chin-Chung Lu. The list of independent director candidates includes Cheng Wen-rong, Dai Sheng-gong, Li Guofei, Deng Fuji. For inquiries regarding their education and work experience and other relevant information, please directly visit the Public Information Observation System (PIOS) at https://mops.twse.com.tw, select "Summary Reports" under "Shareholders' Meetings/Dividends" and then select "Announcements Related to the Election of Directors Using the Nomination System" and enter the query conditions.

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II. If there are any convening matters stipulated under Article 172 of the Company Act for this General Meeting of Shareholders, please visit the Public Information Observation System (PIOS) at https://mops.twse.com.tw, select "Single Company," then "Electronic Document Download," and under "Annual Report and Shareholders' Meeting Related Information," enter the company code (or abbreviation) and year. Click on "Agenda Handbook and Meeting Supplementary Materials" or "Reference Materials for Each Proposal of the Shareholders' Meeting" for inquiries.

III. According to Article 165 of the Company Act, stock transfers are suspended from April 28, 2026 to June 26, 2026.

IV. Apart from being announced on the Public Information Observation System, a special notice is hereby sent, with an attendance check-in card and a proxy form for the General Meeting of Shareholders attached, hoping for your attention and attendance. If a shareholder prefers to attend in person, please complete the third copy of the attendance card (no need to return it) and bring it to the meeting on the day of the event for registration. If an agent will attend on behalf of the shareholder, please complete the fourth copy of the proxy form, fold and return all copies, and ensure it is received by the Company's shareholder services agent, Grand Fortune Securities Co., Ltd, Shareholder Services Department, at least five days before the meeting. After verification, the department will issue and mail the attendance card to the designated agent for attendance at the General Meeting of Shareholders. If the agent does not receive the attendance card by the day before the meeting, they should bring their identification documents to the venue on the day of the event for attendance.

V. If there is a solicitation of proxies for this General Meeting of Shareholders, The Company plans to compile the solicitation documents and upload them to the Securities and Futures Institute (SFI website: https://free.sfi.org.tw) by May 26, 2026, in accordance with regulations. After accessing the website, investors are requested to enter the securities code in the "Proxy Solicitation Announcement Data Free Inquiry" section for inquiry.

VI. For this General Meeting of Shareholders, shareholders may exercise their voting rights electronically from May 27, 2026, to June 23, 2026. Please log

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into the Taiwan Depository & Clearing Corporation's "Stock e-Services" (website: https://stockservices.tdcc.com.tw), click on "Electronic Voting," and follow the relevant instructions to vote.

VII. The proxy form verification institution for this General Meeting of Shareholders is the Shareholder Services Department of Grand Fortune Securities Co., Ltd.

VIII. Please review and verify.

Sincerely to your shareholders

Board of Directors of

Shun On Electronic Co., Limited respectfully.