Sinher — Proxy Solicitation & Information Statement 2026

May 19, 2026

Sinher Technology Inc.
Stock Code: 4999

Meeting Notice for 2026 Annual Shareholders' Meeting

(Summary Translation)

I. The 2026 Annual Shareholders' Meeting will be convened at 9:00 a.m., Tuesday, June 23, 2026 (Registration will be accepted at 8:30 a.m.) at Forte Hotel (No. 128, Section 1, Datong Road, Xizhi District, New Taipei City). The agenda for the Meeting is as follows:

1. Reports:
   (1) 2025 Business Report.
   (2) 2025 Audit Committee's Review Report.
   (3) 2025 distribution of remuneration to employees and directors.
   (4) 2025 Cash dividend distribution report.

2. Proposal Resolutions
   (1) To accept 2025 Business Report and Financial Statements.

II. The major items of the proposal for distribution of 2026 profits adopted at Board of Directors meeting are as follows:
1. The distribution of cash dividends is NT$0.25 per share.
2. The record date will be decided by the Chairman as authorized by the Board of Directors.

III. Shareholders may exercise their voting rights through electronic form. Please log into the STOCKVOTE platform (https://www.stockvote.com.tw) of Taiwan Securities Central Depository Co., Ltd. and make the operation, according to relative instruction during the period from May 23 to June 20, 2026.

Board of Directors
Sinher Technology Inc.