Proxene® The one and whole.

Stock code: 6904

PROXENE TOOLS CO., LTD.

2026 Annual General Shareholders' Meeting Notice

(Summary Translation)

General Meeting of Shareholders

The 2026 Annual Shareholders’ Meeting (the “Meeting”) of Proxene Tools Co., Ltd. (the “Company”) will be convened at 10:00 a.m., Friday, June 26, 2026 at No.160, Wenzheng St., Shengang Dist., Taichung City

Method of Meeting: Physical Meeting

The agenda for the Meeting is as follows:

I. Report the total number of shares represented at this Meeting.

II. Announce commencement of the meeting and Chairman’s address.

III. Report Items:

(1) 2025 Business Report
(2) Audit Committee's Review Report for 2025 Financial Statements
(3) Report on the 2025 Distribution of Remuneration to Employees and Directors
(4) Amendments to the “Sustainable Development Best Practice Principles”
(5) The Status of Domestic Unsecured Convertible Corporate Bonds

IV. Ratification Items:

(1) 2025 Business Report and Financial Reports.
(2) The Company’s 2025 Earnings Distribution Proposal
(3) The company is handling the 2025-year cash capital increase, issuance of new shares and the first domestic guaranteed conversion of corporate bonds, and plans to carry out a plan change case.

V. Discussion Items:

(1) Amendment to the Company’s “Procedures for Acquisition or Disposal of Assets”.

VI. Interim Motion.

VII. Adjournment.

Proxene® The one and whole.

Stock code: 6904

VIII. The main content of dividend distribution: cash dividend of NT$92,500,000, NT$5 of cash dividends per share.

X. Shareholders may exercise their voting rights through Taiwan Depository and Clearing Corporation’s STOCK VOTE platform (https://www.stockvote.com.tw) during the period from May 27, 2026, to June 23, 2026.

Board of Directors
PROXENE TOOLS CO., LTD