COREMAX — AGM Information 2026

Jun 1, 2026

COREMAX GROUP 康普集團

Coremax Corporation

Notice of 2026 Annual General Shareholders' Meeting

(Summary Translation)

I. The 2026 Annual General Meeting of Coremax Corporation (“the Meeting”) will be convened at 9:00 a.m., Monday, May 25, 2026 (shareholder attendance registration will begin thirty minutes before the Meeting starts) at No. 22, Zhonghua Road, Fengshan Village, Hukou Township, Hsinchu County (Hsinchu Industrial Park Service Center, MOEA). Agenda for the Meeting: 1. Report Items: (1) FY2025 Business Report. (2) The Audit Committee Report on the Review of the FY2025 Financial Report. (3) Report on FY2025 distribution of remuneration to employees and directors. (4) Report on FY2025 distribution of earnings as cash dividends. (5) Report on the status of the fourth domestic secured convertible bond issuance. 2. Ratification Items: (1) FY2025 Business Report and Financial Statements. (2) FY2025 Earnings Distribution. 3. Discussion Items: Amendments to the Company's Articles of Incorporation. 4. Election of Directors and Supervisors: Re-election of Directors 5. Other Matters: Removal of non-compete clause for the Company's new directors and their representatives. 6. Extempore Motion.

II. The Board of Directors has resolved to distribute: a cash dividend from earnings of NT$1 per share to its shareholders.

III. At the Meeting, a total of 9 directors (including 4 independent directors) will be elected through the candidate nomination system. The roster of director candidates includes the representative of Cheng Jade Enterprise Co., Ltd., Ho, Chi-Cheng, as well as representatives of Chang Sing Investment Co., Ltd.: Hsiao, Sheng-Hsien, Ho, Eugene Lawrence, Ho, Chi-Chou, and Cheng, Chih-Fa. The roster of independent director candidates includes Rick Liu,

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Serena Huang, Tai, Ai-Fen, and Liu, Yi-Shuan. For information on the candidates' education and work experience, please visit the Chinese version of Market Observation Post System (MOPS) at https://mops.twse.com.tw, click on Shareholders' Meetings & Dividends under the Summaries, select Information on Public Announcements of Election of Directors Conducted Through the Candidate Nomination System, and then enter the relevant search criteria.

IV. If there are any matters that should explain the main content in accordance with Article 172 of the Company Act at the Meeting, please visit the Chinese version of MOPS at https://mops.twse.com.tw, click on Individual Company, then under that category, click on Electronic Books/Annual Report and Shareholders' Meetings, fill in the stock code (or abbreviation) and fiscal year, then select Supplementary Information for Handbook and Shareholders' Meeting or Reference Materials for Proposals Made at the Shareholders' Meetings for further information.

V. Pursuant to Article 165 of the Company Act of the Republic of China, the shareholder register will be closed from March 27, 2026 to May 25, 2026.

VI. This notice was sent in addition to the announcement on the Market Observation Post System in hopes that you will find the time to attend the shareholders' meeting, and an attendance card and proxy are attached to this notice. If the shareholder(s) is attending 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 fill out the proxy form on Slip 4, fold the entire Slip with contents duly filled out, then deliver the proxy form to the Company's stock affairs agent Grand Fortune Securities Co., Ltd. Transfer Agent Department at least 5 days prior to the day of the meeting. After the information has been verified to be correct, the department will produce the sign-in card and post it back to the proxy to keep it for attendance in the shareholders' meeting. If the proxy has not yet received the sign-in card on the day before the meeting, please bring identification certification documents to the venue on the day of the meeting to register for attendance.

VII. If a proxy is solicited by the shareholder(s), Coremax Corporation is required to compile details on the proxy solicitation parties and disclose such information on the Securities & Futures Institute (SFI) website no later than April 24, 2026 (official website of SFI: https://free.sfi.org.tw). Once on the website, please input the stock code in the Free Proxy

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Disclosure & Related Information System to search.

VIII. Shareholders may exercise their voting rights electronically for the Meeting from April 25, 2026 to May 22, 2026. Please log in directly to the Shareholder e-Service platform of Taiwan Depository & Clearing Corporation at https://stockservices.tdcc.com.tw, click on eVoting, and proceed in accordance with the instructions provided.

IX. The proxies shall be tallied and verified by the Grand Fortune Securities Co., Ltd. Transfer Agent.

X. Please note and act accordingly.

To

All Shareholders

Board of Directors

Coremax Corporation