SUNON — AGM Information 2025

Jun 3, 2025

Sunonwealth Electric Machine Industry Co., Ltd. Meeting Notice for the 2025 General Shareholders Meeting

Shareholders' meeting will be held by means of physical shareholders' meeting

• I. Time: 9:00 a.m. May 28, 2025 (Wednesday)

• II. Location: 9F, No. 266, Chenggong 1st Rd., Qianjin Dist., Kaohsiung City (Room D, 9FL, Grand HiLai Hotel)

• III. Chairman's Speech:

• IV. Matters to be Reported:

• (I) The Company's 2024 Business Report.

• (II) 2024 Audit Committee's Report.

• (III) Report the 2024 distribution of remuneration for employees and Directors.

• (IV) Report the status of endorsements and guarantees.

• (V) Report the 2024 remuneration of individual Directors.

• V. Proposed Resolutions:

• (I) 2024 Business Report and Financial Statements.

• (II) 2024 earnings distribution proposal.

• VI. Discussion Matters

• (I) Amendments of Articles of Incorporation.

• VII. Extraordinary Motions

• The distribution of cash dividend of earnings in 2024 has resolved by the Board of Directors meeting on March 6, 2025. The total amount of cash dividends is NT$1,011,741,575. Each share will be entitled to a cash dividend of NT$3.7.

• 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. Please select " Electronic Books" under the "Shareholders' Meetings" tab, enter the Stock Code and year, and click "GO" to find the meeting files corresponding to the Company’s stock code.

• Pursuant to Article 165 of the Company Law, the book closure period is from March 30, 2025 to May 28, 2025.

• One copy of the attendance notification form and proxy form will be attached to this meeting notice. If the shareholder(s) intends to attend the meeting in person, please sign or stamp on the attendance notification form and carry it to the check-in desk on the day of the meeting. In the case that an agent(s) is entrusted to attend the meeting, the shareholder(s) 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 Grand Fortune Securities Corporation Registrar Transfer

Department at least 5 days prior to the day of the meeting. The signed proxy form will serve

as the sign-in card for agent(s) to represent your vote at the meeting.

1. If a proxy is solicited by the shareholder(s), Sunonwealth Electric Machine Industry Co., Ltd. is required to compile details on the proxy solicitation parties and disclose such information on the Securities & Future Institute (SFI) website no later than April 25, 2025. Shareholder(s) can obtain information from the “Free proxy disclosure & related information system” (http://free.sfi.org.tw), and search via the “proxy disclosure and meeting notices” search page.

2. Shareholders may exercise their voting rights electronically through the STOCKVOTE platform of Taiwan Securities Central Depository Co., Ltd.

3. (https://stockservices.tdcc.com.tw) during the period from April 26, 2025 to May 25, 2025.

4. The Grand Fortune Securities Corporation Registrar Transfer Department is the proxy tallying and verification institution for this AGM.

5. These regulations should be abided and applied accordingly.

Board of Directors

Sunonwealth Electric Machine Industry Co., Ltd.