AMPACS — Proxy Solicitation & Information Statement 2026

May 22, 2026

Ampacs Corporation
Notice of 2026 Annual General Shareholders' Meeting
(Summary Translation)
(Stock Code: 6743)

Announcements:
Time : 9:00 am on June 24, 2026
Venue: 3F., No. 166-A, Jingmao 2nd Rd., Nangang Dist., Taipei City 115, Taiwan (R.O.C.)
(GRANDE LUXE BANQUET) (Physical Shareholders Meeting)

1. The agenda for the Meeting is as follows:

I. Report Items
(1) Report the Business of 2025.
(2) Report the Audit Committee’s review report of 2025
(3) Report on 2025 Employee and Directors’ Remuneration Distribution.
(4) Report on 2025 Earnings Distribution of Cash Dividends.
(5) Report on Cash distribution from capital surplus.
(6) Report on 2025 Remuneration to Directors.

II. Proposed Items
(1) The 2025 Business Report and Financial Statements
(2) The 2025 Earnings Distribution.

1. The Board of Directors has approved distribution of Cash dividends from Earnings for the year 2025 is NT$ 44,250,000 ,or NT$0.3 per share.

2. Summary of the Board Resolution on the Distribution of Capital Reserve in Cash: In accordance with Article 241 of the Company Act, the Company proposes to distribute NT$398,250,000 in cash from the capital reserve arising from the share premium over the par value of issued shares. Based on shareholders' holdings recorded in the shareholders register on the cash distribution record date, a cash dividend of NT$2.7 per share will be distributed.

3. Enclosed please find each one copy of the Notice of Attending the Regular Shareholders’ Meeting and a Proxy Letter at your disposal. If you want to attend the said meeting in person, please sign or affix your seal on the said Notice of Attending the Regular Shareholders’ Meeting and bring it to the meeting place on the meeting day to report your attendance; If you want to assign a proxy to attend the said meeting, please fill out the attached Proxy Letter indicating the name and address of the proxy appointed by you and provide your personal signature or seal on the Proxy Letter and mail the Proxy Letter within five days prior to the calling of the shareholders’ meeting to the Agency of our Stock Capitals , the Transfer Agency Department of CTBC Bank, so that the Agency can send out the Sign-in cards of Attendance to that proxy appointed by you.

4. If any situation for the case of seeking the Power of Attorney in public, which case the Company will submit to S.F.I. (Website: http://free.sfi.org.tw) on May 22, 2026. Please go on the website if

This English version is a translation based on the original Chinese version.
Where any discrepancy arises between the two versions, the Chinese version shall prevail.

---

requiring any further information.

1. Shareholders may exercise their voting rights electronically via the “Shareholder eServices / eVoting” platform of the Taiwan Depository & Clearing Corporation (https://stockservices.tdcc.com.tw) during the period from May 25 to June 21, 2026.

2. Shareholders who have newly opened accounts and intend to submit their specimen seal cards may download the form from the website of the Company’s stock agent, CTBC Bank's Corporate Trust Services Division.

3. The institution responsible for verifying and counting proxies for this shareholders' meeting is CTBC Bank Co., Ltd., Agency Department.

4. Your kind attention and cooperation will be highly appreciated.

Yours faithfully,

Board of Directors,

Ampacs Corporation.

This English version is a translation based on the original Chinese version.

Where any discrepancy arises between the two versions, the Chinese version shall prevail.