WEI CHIH — Proxy Solicitation & Information Statement 2026

May 15, 2026

WEI CHIH STEEL INDUSTRIAL CO., LTD.
Notice of 2026 Annual General Shareholders’ Meeting
(Summary Translation)

The 2026 Annual General Meeting of WEI CHIH STEEL INDUSTRIAL CO., LTD. (the "meeting") will be convened at 9:00 a.m., June 18, 2026, at No. 123, Nanbu Village, Guantian Dist., Tainan City (The Company’s meeting room on the 6th floor)

I. Agenda for the Meeting:

1. Reported Matters
   (1) Business Report for the Fiscal Year 2025.
   (2) Audit Committee’s Examination Report of the 2025 Annual Financial Statements.
   (3) Company Report on Employee Compensation and Director Compensation Distribution for the Fiscal Year 2025.
   (4) Report on the Distribution of Cash Dividends for the Fiscal Year 2025.
   (5) Company Report on Director Remuneration Receipt for the Fiscal Year 2025.

2. Acknowledged Matters
   (1) Business Report and Financial Statements for the Fiscal Year 2025.
   (2) Distribution of Profits for the Fiscal Year 2025.

3. Matters for Discussion
   Amendment to the “Company’s Articles of Incorporation”

4. Election Matters
   Election of Directors

5. Other Proposals
   To lift the non-competition restrictions for newly-elected directors and their representatives

6. Extemporary Motions

II. The board of directors decided to distribute: The surplus cash dividend of the fourth quarter of 2025 was NTD 0.20 per share.

III. 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 http://emops.twse.com.tw. Please select "Shareholders’ Meetings" under the "Electronic Books" tab, enter the year, and click "GO" to find the meeting files corresponding to Company code 2028.

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IV. Pursuant to Article 165 of the Company Act of the Republic of China, the shareholder register will be closed from Apr. 20, 2026 to Jun. 18, 2026.

V. One copy of the attendance notification form and proxy form will be attached to this meeting notice. If the shareholder(s) is attending the meeting in person, please sign or stamp on the attendance notification from 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 Co., Ltd. Transfer Agent 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.

VI. If a proxy is solicited by the shareholder(s), WEI CHIH STEEL INDUSTRIAL 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 May 18, 2026 Shareholder(s) can obtain information on proxy solicitation firms from the “Free proxy disclosure & related information system” (http://free.sfi.org.tw), via the “proxy disclosure and meeting notices” search page.

VII. Shareholders may exercise their voting rights through the STOCKVOTE platform of Taiwan Depository & Clearing Corporation (https://www.stockvote.com.tw) during the period from May 19, 2026 to Jun. 15, 2026.

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

IX. Please note and act accordingly.

To Shareholder.

Board of Directors

WEI CHIH STEEL INDUSTRIAL CO., LTD.