TOPBI — Proxy Solicitation & Information Statement 2026

May 29, 2026

TOPBI INTERNATIONAL HOLDINGS LIMITED

Meeting Notice for the 2026 Annual Shareholder’s Meeting

(Summary Translation)

1. The 2026 Annual Shareholders’ Meeting (the “Meeting”) of Topbi International Holdings Limited (the “Company”) will be held on June 29th, 2026 at 9:00 A.M. (The time for shareholder registration shall be 30 minutes before the meeting begins) Meeting Room, Building B, No.83, Xinhu 1st Road, Neihu District, Taipei City, Taiwan (R.O.C.).

The Agenda for the Meeting is as follows:

I. Reported Matters
(1) The company's 2025 Annual Business Report
(2) Audit Committee’s Review Report
(3) The Company will not continue to handle Private Placement of Securities Cases

II. Acknowledged Matters
(1) Adoption of the company's 2025 Annual Business Report and Financial Statements
(2) Adoption of the company's 2025 Loss Compensation Plan

III. Matters for Discussion
(1) Amendment to the provisions of the “Procedures for the Acquisition or Disposal of Assets” of the Company
(2) Amendment to the Articles of Association
(3) The Company May Handle Private Placement of Securities Cases

IV. Extemporary Motions

1. The company may handle private placement of securities cases. Please refer to the attachment 2 for detailed instructions.

2. If the Company decides to hold a meeting under Article 50 of the Company's Articles of Association, electronic files will be posted to the Market Observation Post System at https://mops.twse.com.tw. Please select "Shareholders' Meetings" under the "Electronic Books" tab, enter the year, and click "GO" to find the meeting files corresponding to Company code.

3. The Company hereby closes the share transfer registration from May 1, 2026, to June 29, 2026.

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1. In addition to the announcement on the Public Information Observation Station, we are hereby informed by letter, along with one copy each of the shareholders' meeting attendance sign-in card and the power of attorney. We sincerely hope that you will take the time to attend. If your shareholder attends in person, please fill out the third copy of the attendance sign-in card (no need to return it) and bring it to the venue on the day of the meeting for registration and attendance. If an agent is entrusted to attend, please fill out the fourth copy of the power of attorney, fold the full copy and return it. Please also deliver it to the company's share agent, the share agent department of Grand Fortune Securities Co., Ltd., five days before the meeting. After the department verifies the information without error, it will issue an sign-in attendance card and send it to the entrusted agent for safekeeping, so that the agent can attend the shareholders' meeting with it. If the entrusted agent has not received the sign-in card the day before the meeting, please bring your identification document to the venue on the day of the meeting to complete the attendance procedures.

2. If there is a proxy for this shareholders' meeting, our company, in accordance with the regulations, intends to summarize the written materials for the proxy and upload them to the Securities and Futures Market Development Foundation of the republic of China (the website of the SEC: https://free.sfi.org.tw) before May 29, 2026. After investors enter this website, please input the securities code for inquiry in "Free Inquiry of Entrustment Letter Announcement Materials".

3. Shareholders may exercise their voting rights electronically at this shareholders' meeting. The exercise period is from May 30, 2026, to June 26, 2026. Please log in directly to the "Shareholder e-Service" of Taiwan Securities Depository and Clearing Corporation Limited (website: https://stockservices.tdcc.com.tw), click on the "electronic voting and vote in accordance with the relevant specification.

4. The Transfer Agency Department of Grand Fortune Securities Co., Ltd. is the proxy tallying and verification institution for this Annual meeting.

5. It is highly appreciated that you handle the matters accordingly.

To Shareholders
Please attend the meeting on time.
Or you can authorize another person to attend the meeting by signing the attached Proxy Letter.

Board of Directors
Topbi International Holdings Limited