UNITECH — Proxy Solicitation & Information Statement 2026

May 15, 2026

Unitech

Unitech Printed Circuit Board Corp.

Notice of the 2026 Annual General Shareholders' Meeting

I. The 2026 Annual General Shareholders' Meeting of Unitech Printed Circuit Board Corp. will be convened at 9:00 a.m., Tuesday, June 16, 2026, at No. 6, Zhongshan Road, Tucheng District, New Taipei City (4th Plant, Unitech Printed Circuit Board Corp). Shareholder check-in will begin at 8:30 a.m. at the same location. This meeting will be conducted in person only.

Mode of convention: physical

Agenda of the Meeting:

(I) Reporting Items:

1. 2025 Business Report
2. Audit Committee’s Review Report on the 2025 Financial Statements
3. Report on the Allocation of 2025 Employee and Director Remuneration

(II) Approval Items:

1. Adoption of the 2025 Business Report and Financial Statements
2. Adoption of the 2025 Earnings Distribution Proposal

(III) Discussion Items:

1. Proposal to Amend the Articles of Incorporation

(IV) Extraordinary Motions

II. The 2025 earnings distribution proposal, as resolved by the Board of Directors, is as follows:

1. Cash dividends: NT$141,250,635 is proposed to be distributed, at NT$0.2 per share. Subject to approval at the Shareholders’ Meeting, the Chairman will be authorized to determine the ex-dividend date, payment date, and other relevant matters.

2. If the number of outstanding shares changes due to repurchase, transfer, cancellation of treasury shares, cash capital increase, or other reasons, thereby affecting the dividend per share, the Chairman will be authorized to adjust such matters accordingly.

III. In accordance with Article 172 of the Company Act, any proposal meeting the criteria will be disclosed on the Market Observation Post System (MOPS) website:

https://mops.twse.com.tw

→ Select: “Listed Companies” → “Electronic Documents Download” → “Annual Reports and Shareholders’ Meeting Related Materials” → Enter the company code or name and the year → Check “Meeting Agenda Reference Materials” or “Meeting Handbook and Supplementary Information”.

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IV. Pursuant to Article 165 of the Company Act, the stock transfer registration will be suspended from April 18, 2026 to June 16, 2026.

V. In addition to the MOPS announcement, this notice is formally delivered by mail, along with an Attendance Notification Card and a Proxy Form:

• For shareholders attending in person: Please sign or affix your seal on the “Attendance Notification Card” and bring it with you on the meeting date (no need to return it beforehand).
• For shareholders appointing a proxy: Please sign or affix your seal on the “Proxy Form,” fill in the proxy’s name and address, and submit it to the Company’s Shareholder Services Office at least five days prior to the meeting date. The office will then issue a meeting attendance card for the proxy’s use.

VI. If proxy solicitations are made, related written materials will be uploaded to the website of the Securities and Futures Institute (https://free.sfi.org.tw) by May 15, 2026. Investors may enter the “Free Proxy Inquiry System” on the site to search for relevant information.

VII. Shareholders may exercise their voting rights electronically between May 16, 2026 and June 13, 2026 via the TDCC Shareholder eServices website: https://stockservices.tdcc.com.tw

VIII. The Company’s Shareholder Services Office is the organization responsible for verifying proxy statistics.

IX. Please be advised and act accordingly.

To Shareholders

Board of Directors

Unitech Printed Circuit Board Corp.