ZINWELL — Proxy Solicitation & Information Statement 2026

May 22, 2026

ZINWELL ZINWELL CORPORATION

Notice of 2026 Annual General Shareholders' Meeting

(Summary Translation)

Dear Shareholders,

The Company's 2026 Annual General Shareholders' Meeting will be held at 9:00 a.m., Wednesday, June 10, 2026 (shareholder check-in begins at 8:30 a.m. at the meeting venue), at No. 2, Wenhua Road, Hsinchu Industrial Park, Hsinchu County (Hsinchu Plant of the Company).

I. The Agenda of the Meeting is as follows:

1. Report Items
   (1) 2025 Business Report.
   (2) Audit Committee's Review Report on the 2025 Financial Statements.
   (3) Report on Endorsements and Guarantees as of December 31, 2025.

2. Ratification Items
   (1) Adoption of the 2025 Financial Statements.
   (2) Adoption of the 2025 Deficit Compensation Proposal.

3. Discussion Items
   (1) Amendment to Certain Provisions of the Company's Articles of Incorporation.

4. Extraordinary Motions.

II. Enclosed please find the attendance sign-in card and proxy form. If a shareholder intends to attend the meeting in person, please sign or affix seal on the attendance sign-in card and present it at the meeting venue on the meeting date for registration. If a proxy is appointed to attend the meeting, please sign or affix seal on the proxy form, personally fill in the proxy's name and address, and send it to the Company's stock affairs agent at least five days prior to the meeting date: Yuanta Securities Co., Ltd., Stock Affairs Agency Department (B1, No. 67, Section 2, Dunhua South Road, Da'an District, Taipei City 106045, Taiwan) so that the attendance sign-in card may be mailed to the proxy.

III. The institution designated for verification of proxy forms is the Stock Affairs Agency Department of Yuanta Securities Co., Ltd.

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IV. If any shareholder solicits proxy forms, the Company will compile a summary statement of proxy solicitation information and disclose it on the website of the Securities and Futures Institute (SFI) on May 8, 2026. Investors may visit the website directly at: https://free.sfi.org.tw and enter the required search criteria under the "Free Proxy Inquiry System."

V. If any matters under Article 172 of the Company Act are included in the agenda of this shareholders' meeting, in addition to being stated in this meeting notice, the principal contents thereof may also be found on the Market Observation Post System (MOPS) website at:

https://mops.twse.com.tw by selecting: Electronic Books / Annual Reports and shareholders' meeting Related Information (including depository receipt information) Reference Materials for Shareholders' Meeting Agenda (or Meeting Handbook and Supplemental Information) and entering the Company's stock code, company name, and fiscal year for inquiry.

VI. Voting rights for this shareholders' meeting may be exercised electronically. The electronic voting period shall be from May 11, 2026 to June 7, 2026. Please log in to the electronic voting platform of Taiwan Depository & Clearing Corporation (TDCC) and follow the relevant instructions. Website: https://stockservices.tdcc.com.tw

Sincerely Yours,

Board of Directors
ZINWELL CORPORATION

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