HOLY STONE — Proxy Solicitation & Information Statement 2026

Apr 24, 2026

Holy Stone Enterprise Co., Ltd. (the “Company”)
Notice of 2026 Annual Shareholders Meeting

(Summary Translation)

This Document is prepared in accordance with the Chinese version and is for reference only. In the event of any discrepancy between the two versions, the Chinese version shall prevail.

Time/Date: 9:00 a.m., May 25th, 2026 (Monday)
Location: No.17, Lane 91, Section 1, Neihu Rd. Neihu District, Taipei City 114, Taiwan R.O.C. (7F, Conference Room, Chu Pao Building)

1. Meeting Agenda
   (1) Report Items
   1.1 Business Report of 2025
   1.2 Audit Committee’s Audit Report
   1.3 Distribution of 2025 Remuneration for Employees and Directors
   1.4 2025 Earnings Distribution and Cash Dividend Report
   (2) Acknowledgement Items
   2.1 2025 Business Report and Financial Statements
   2.2 2025 Earnings Distribution
   (3) Discussion Item
   3.1 Revision on Articles of Association
   (4) Special Motion

2. Main Content of 2025 Earnings Distribution
   (1) Cash dividend of NT$962,163,844 to shareholders, equivalent to NT$5.8 per share.

3. According to Article 172 of The Company Act, the main content of discussion should be on the website of Market Observation Post System. Please refer to the site: http://mops.twse.com.tw

4. If wishing to attend the meeting in person, please sign or stamp your personal chop on the Notice and proceed with check-in on the day of the meeting. If choose to appoint a proxy to attend the meeting on your behalf, please sign or stamp your personal chop on the proxy application form, fill in the name and address of your proxy, have your proxy sign or stamp his or her personal chop on the form and send

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the form back, which must be received within five (5) days prior to the Meeting to the company's designated agent. The Stock Transfer Agency, CTBC Bank Co., Ltd., will process the delivery of attendance cards to the proxy.

1. If proxy is needed for the Annual Shareholders Meeting, the company shall upload related information to the website of SFI http://free.sfi.org.tw, by 24th April, 2026. Please refer to the website for further information regarding this matter.

2. Voting rights for 2026 Annual Shareholders Meeting can be run by electronic transmission from April 25th 2026 to May 22nd 2026. Please refer to http://stockservices.tdcc.com.tw, the website of TDCC for further information regarding the Electronic Voting Platform for Shareholder.

3. If new shareholders intend to submit their shareholder signature cards, they can download the signature cards from the website of our company's stock agent, CTBC Bank Co. Ltd.

4. The company has appointed Stock Transfer Agency, CTBC Bank Co., Ltd. to verify the shareholder proxy.

5. Kindly follow the abovementioned procedure.

Sincerely,

Board of Directors

Holy Stone Enterprise Co., Ltd.