Shining — Proxy Solicitation & Information Statement 2026

May 26, 2026

SHINING BUILDING BUSINESS CO., LTD.
Notice of 2026 Annual General Shareholders' Meeting

1. The 2026 Annual General Shareholders' Meeting (the "AGM") of SHINING BUILDING BUSINESS CO., LTD. (the "Company") will be convened at 10:30 a.m., Wednesday, June 17, 2026 at International Conference Hall, 13F., No. 88, Boguan Rd., Taichung City, Taiwan (R.O.C.). Registration for shareholders will begin at 10:00 a.m. at the same venue. The meeting agenda is as follows:

(I). Matters for Report:
(1). To report the Company's Employees' and Directors' remuneration distribution of 2025.
(2). To report Directors' remuneration payment of 2025.
(3). To report the Company's Business Conditions in 2025.
(4). To report the Company's Financial Statements of 2025 as reviewed by the Audit Committee.

(II). Matters for Ratification:
(1). To ratify the Company's Business Report and Financial Statements of 2025.
(2). To ratify the Company's Loss Appropriation Proposal of 2025.

(III). Matters for Discussion:
(1). To discuss lifting the non-compete restrictions on Directors.
(2). To discuss the Amendment to partial articles of the "Rules of Procedure for Shareholders Meetings".
(3). To discuss the Amendment to partial articles of the Company's "Articles of Incorporation".

(IV). Extraordinary Motions.

1. The Company will discuss lifting the prohibition on competition of Directors. Pursuant to Article 209 of the Company Act, it is proposed to request the Shareholders' Meeting to approve lifting the non-compete restrictions on Directors.

2. Pursuant to Article 165 of the Company Act, the share register closed period is set from April 19, 2026 to June 17, 2026.

3. An attendance notice and a proxy form are hereby attached. If you will attend the meeting in person, please sign or affix your seal on the Attendance Notice and bring it to the meeting venue for registration on the meeting date. If you wish to appoint a proxy, please sign or affix your seal on the Proxy Form, fill in the proxy's name, ID number, address, and signature/seal, and send the form to the Agency Department of Fubon Securities Co., Ltd. (11F., No. 17, Xuchang St., Zhongzheng Dist., Taipei City) no later than five days before the meeting for processing the proxy attendance procedures.

4. If any situation for public solicitation of proxy forms arises in this Shareholders' Meeting, the Company will upload relevant information to the Securities and Futures Institute website before May 15, 2026. Investors may visit the S.F.I. website at https://free.sfi.org.tw and search under "Free Inquiry for Proxy Form Information" by entering the required search criteria. (Stock Code: 5531)

5. According to Article 26-2 of the Securities and Exchange Act, "The notice of the shareholders meeting to be given by an issuer to shareholders who own less than 1,000 shares of registered stocks may be given in the form of a public announcement; for the AGM, such public announcements shall be made 30 days prior to the meeting date."

---

1. In this Shareholders' Meeting, voting rights may be exercised electronically. The period to exercise the rights is from May 16, 2026 to June 14, 2026. Shareholders must use a CA certificate (including any one of the following: natural person certificate, securities firm online order certificate, online banking certificate, industrial and commercial certificate, securities and futures joint certificate, or government certificate) to log in to the "Shareholders' e-Service" of the Taiwan Depository & Clearing Corporation website at https://stockservices.tdcc.com.tw and vote in accordance with the instructions provided. According to the Company Act, shareholders exercising voting rights electronically shall be deemed to have attended the Shareholders' Meeting in person. If a shareholder exercises voting rights electronically and also appoints a proxy to attend the Shareholders' Meeting, the voting rights exercised by the proxy at the meeting shall prevail.

2. For matters required to be explained pursuant to Article 172 of the Company Act, please refer to the relevant materials available on the Market Observation Post System (Website: https://mops.twse.com.tw/mops/#/web/home), by selecting "Electronic Books / Shareholders' Meetings" and entering the Company's stock code and year.

3. No souvenirs will be provided at the Annual General Shareholders' Meeting.

Board of Directors

SHINING BUILDING BUSINESS CO., LTD.