DBC — Proxy Solicitation & Information Statement 2026

May 25, 2026

DEC BONDING PARTNERSHIP

Double Bond Chemical Ind. Co., Ltd.

Meeting Notice of 2026 Annual General Shareholders' Meeting (Summary Translation)

Announcements:

Time: 10:00am Thursday, June 25, 2026

Venue: Meeting Room, 4F, No. 959, Zhongzheng Road, Zhonghe District, New Taipei City, Taiwan (R.O.C.)

Method of Convening the Meeting: Physical shareholders' meeting

Meeting Agenda:

I. Call Meeting to Order

II. Chairman's Speech

III. Report Items:

(I) The 2025 Business Report.
(II) The Audit Committee's 2025 Review Report.
(III) Report on the Employees' Compensation and Directors' Remuneration of 2025.
(IV) Report on the 2025 Earnings Distribution of cash dividends.

IV. Ratification Items:

(I) The 2025 Business Report and Financial Statements.
(II) The 2025 Earnings Distribution Proposal.

V. Election Item:

(I) Election for The Board of Directors.

VI. Other Proposals:

(I) Proposal for Release the Prohibition on Directors for participation in Competitive Business.

VII. Extraordinary Motions

VIII. Meeting Adjourned

Very sincerely yours,

Board of Directors

Double Bond Chemical Ind. Co., Ltd.

(This translated document is prepared in accordance with the Chinese version and is for reference only. In the event of any inconsistency between the English version and the Chinese version, the Chinese version shall prevail.)