HSB — Proxy Solicitation & Information Statement 2026

May 18, 2026

Stock Code: 5469

PSA

瀚宇博德股份有限公司

HANNSTAR BOARD CORPORATION

Notice of 2026 Annual General Shareholders' Meeting

(Translation)

Subject:

The Company, HannStar Board Corporation, intends to convene 2026 Annual General Meeting of Shareholders in accordance with the Company Act, the Securities and Exchange Act and the resolutions approved by the meetings of the Board of Directors on Feb 24, 2026.

Announcements:

I. Type of Meeting: Physical Meeting
II. Meeting Date and Time: 9:30 a.m. on Thursday, June 18, 2026
III. Meeting Location: B1F, No. 9, Gongye 4th Rd., Guanyin Dist., Taoyuan City (Employee Activity Center)
IV. Meeting Agenda:

1. Reported matters:
   (1). 2025 Business Report.
   (2). Audit Committee's Review Report.
   (3). Report on the 2025 Remuneration of Employees and Directors.
   (4). Other Matters to be reported.

2. Ratification and Discussion Items
   (1). To ratify the 2025 Business Report and Financial Statements.
   (2). To ratify the 2025 Earnings Distribution.
   (3). Re-election of Directors.
   (4). To release the new directors from the non-competition restriction.

3. Other Matters and Extempore Motions

Shareholders are eligible to use exercise their voting rights electronically through the webpage of TDCC. (https://www.stockvote.com.tw)

This document is prepared in accordance with the Chinese version and is for reference only. In the event of any discrepancy between the Chinese version and this content, the Chinese version shall prevail.