Formosan Union Chemical Corp. — Proxy Solicitation & Information Statement 2026

May 11, 2026

FUCC

和益化學工業股份有限公司

Formosan Union Chemical Corporation

2026 Annual General Shareholders' Meeting (Summary)

Date: Thursday, June 11, 2026

Time: 9:00 a.m. (Taipei Time)

Venue: Room 901, 9th Floor, No. 350, Songjiang Road, Taipei City 10414, Taiwan, R.O.C.

(Importers and Exporters Association of Taipei, IEAT).

Meeting Agenda

Reports :

1. 2025 Business Report
2. Audit Committee's Review Report for 2025
3. Report on Distribution of Employees' and Directors' Compensation for 2025
4. Report on Earnings Distribution for 2025
5. Report on Amendments to the "Corporate Governance Best Practice Principles"
6. Report on Amendments to the "Sustainable Development Best Practice Principles"

Ratification Matters :

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

Discussion Matters :

1. Amendment to the Company's "Articles of Incorporation"

Election Matters:

1. Election of the Company's Directors of new term

Other Matters:

1. Proposal to Release the Non-Compete Restrictions on Newly Elected Directors and Their Representatives

Extemporary Motions

Adjournment

Shareholders may exercise their voting rights via the TDCC STOCKVOTE

platform provided by the Taiwan Depository & Clearing Corporation

(https://www.stockvote.com.tw) during the period from May 12, 2026 to June 08, 2026.

Please bring valid identification documents for verification when attending the meeting. Your cooperation is greatly appreciated.

Sincerely,

Formosan Union Chemical Corporation