幃翔 — Proxy Solicitation & Information Statement 2026

Plastron Precision Co., Ltd.
Notice for the 2026 Regular Shareholders Meeting

1. The 2026 Regular Shareholders Meeting (hereinafter as “Meeting”) will be held at 9:00 a.m. (reception at the designated entrance begins at 8:30 a.m.) on June 12, 2026 (Friday) at 3F., No.1, Lane. 11, Ziqiang St., Tucheng Dist., New Taipei City, Taiwan (The Company).

The Agenda for the Meeting is as follows :

I. Report items
(I) Report on 2025 business operating conditions.
(II) Report on 2025 financial statements reviewed by the Audit Committee.
(III) Report on 2025 execution of investments in China.
(IV) Report on 2025 employee and director remuneration distribution.
(V) Report on 2025 receipt of director remuneration.
(VI) Report on 2025 distribution of cash dividends.

II. Ratifications
(I) Motion for the Company’s 2025 financial statements.
(II) Motion for the Company’s 2025 earnings distribution.

III. Discussions
(I) Motion for amendment to some provisions of the Articles of Incorporation.
(II) Motion for amendment to some provisions of the Operating procedures for lending funds to others

IV. Election: Election of directors.

V. Other matters: Motion for lifting the non-compete restriction of newly elected directors.

VI. Extraordinary motions

1. The proposal of 2025 earnings distribution was resolved by the Board of Directors, and allocate NT$58,448,337 of cash dividends from accumulated earnings at NT$0.39 per share.

2. There shall be seven directors elected (including three independent directors) at 2026 Regular Shareholders Meeting. The list of the candidates is as follows:

Directors: Representative of the Chuntian Investment Co., Ltd.: Chen Wen-Chien, Kuan-Chu Investment Co., Ltd., Kuo Chao-Chen, Chen Wen-Yu.

Independent Directors: Lu Fu-Qi, Wang Li-Quan, Hu Yu-Ting.

Please refer to the Market Observation Post System website (https://mops.twse.com.tw) for the education and experience of the candidates.

1. In order to comply with the Article 209 of the Company Act, it is proposed to release of directors and independent directors from non-competition restrictions.

2. The registration of change of shareholders will be suspended from April 14, 2026 to June 12, 2026 in accordance with Article 165 of the Company Act.

3. Each attending notification and proxy form will be attached in the meeting notice. To attend in person, please sign or stamp on the attending notification and carry it to the check-in desk on

the day of the Meeting. To attend by proxy, please sign or stamp on proxy and fill out the name and address of the agent. The proxy should be delivered to the Transfer Agency Department of Fubon Securities Co., Ltd. (2F., No. 17, Xu Chang Street, Taipei City), at least five days (June 6, 2026) prior to the Meeting.

1. In case of a public solicitation of proxies for this Regular Shareholders Meeting, the Company will provide relevant information on the website of Securities & Futures Institute (https://free.sfi.org.tw) on May 12, 2026. If a shareholder wishes to inquire about the detail of solicitation, please follow the instructions there. (Stock code: 6185)

2. Pursuant to Article 26-2 of the Securities and Exchange Act: The notice of the shareholders meeting to shareholders who own less than 1,000 shares, may be given in the form of a public announcement thirty days prior to the Meeting.

3. Shareholders may exercise their voting rights electronically at this shareholders' meeting from May 13, 2026, to June 9, 2026. Voters must log in to the Taiwan Depository & Clearing Corporation's "Shareholder e-Service" (website: https://stockservice.tdcc.com.tw) using their CA certificate (any one of the following: individual certificate, securities firm online order certificate, online banking certificate, business certificate, securities and futures certificate, or government certificate) and vote according to the instructions. According to the Companies Act, exercising voting rights electronically is considered attending the shareholders' meeting in person. If a shareholder exercises their voting rights electronically and appoints a proxy to attend the shareholders' meeting, the voting rights exercised by the proxy shall prevail.

4. The subjects of shareholder meeting shall involve any condition mentioned in accordance with Article 172 of the Company Act. Please visit the Market Watch Station System (MOPS) website (https://mops.twse.com.tw/#/web/home) / Single Company Electronic Document Download / Annual Report and Shareholders' Meeting Related Information / Annual Report and Shareholders' Meeting Related Information (including Depositary Receipt Information) and enter the "Company Code and Year" to query the shareholder meeting related information.

To Shareholders

Board of Directors

Plastron Precision Co., Ltd.

Remark:
This meeting notice has been translated into English from the original Chinese version.
If there is any conflict within two languages, the Chinese language version should prevail.