SHIN SHIN — Proxy Solicitation & Information Statement 2026

May 25, 2026

Shin Shin Co., Ltd. Notice of 2026 Annual General Shareholders' Meeting

I. The 2026 Annual General Shareholders' Meeting is scheduled to be held at 4F., No. 247, Linsen N. Rd., Taipei City (the Company's Shin Shin Showtime Cinemas) on June 25, 2026 (Thursday), 9 a.m. The time for accepting shareholders' sign-in of the meeting starts at 8:30 a.m., and the sign-in location is the same as the meeting convention venue. Meeting agenda: (I) Report Items: 1. 2025 Business Report. 2. 2025 Audit Committee's Review Report. 3. Report on distribution of remuneration of employees and directors for 2025. 4. Other report matters. (II) Ratification Items: 1. Adoption of 2025 Business Report and Financial Statements. 2. Appropriation of 2025 earnings. (III) Discussion matter: Proposed Amendment to the Company's "Articles of Incorporation". (IV) Extraordinary Motions.

II. If the matters to be convened at this shareholders' meeting include motions required to be listed in accordance with Article 172 of the Company Act, please visit the MOPS (website: https://mops.twse.com.tw), and click on "Single Company" / "Electronic Documents" / "Annual Reports and Shareholders' Meeting Information", then enter the company code (or abbreviation) and year to search for "Reference Materials for Shareholders' Meeting Motions" or "Meeting Handbook and Supplemental Meeting Materials."

III. According to the Board of Directors' resolution on the 2025 earnings distribution proposal of the Company on March 10, 2026: It is proposed to distribute cash dividends at an amount of NT$27,257,615, i.e., NT$0.37317072 per share, is to be distributed to shareholders. After the approval by the Shareholders' Meeting through resolution, the Shareholders' Meeting is requested to authorize the Board of Directors to further specify the ex-dividend date. In case of repurchase of the Company's shares or transfer, conversion or cancellation of treasury shares, such that the number of outstanding shares is affected, causing changes to the shareholders' dividend distribution ratio, the Shareholder's Meeting is requested to authorize the Chairman to handle such matter with full discretion and to make adjustments.

IV. According to Article 165 of the Company Act, the registration of transfer of shares shall be prohibited starting from April 27, 2026 to June 25, 2026.

V. In addition to public announcement, this letter is served along with a copy of the Shareholders' Meeting Attendance Sign-in Card and a copy of the Proxy Form to each shareholder. Please review such forms and attend the meeting accordingly. If a shareholder plans to attend the meeting in person, please fill out Second Copy of the Attendance Sign-in Card along with shareholder's seal or signature thereon. To report to the meeting, please present this card at the meeting place on the meeting date directly, and it is not required to mail back the card in advance. If a proxy is authorized to attend the meeting, please fill out Second Copy of the Proxy Form along with the shareholder's seal and signature, followed by mailing the form to the Company's stock affairs agent, Registrar Agency Department of Capital Securities Corporation, five days before the meeting. The stock affairs agent will prepare and mail the Attendance Sign-in Card to the shareholder's proxy for receipt, in order to attend the Shareholders' Meeting with the Attendance Sign-in Card accordingly.

VI. If any shareholder solicits for a proxy, the Company will disclose the summarization of the solicitation prepared by the Company on the website of Securities and Futures Institute on May 25, 2026. If any investor wishes to make inquiries, please visit the website of the "free inquiry system for published information of proxy" at: http://free.sfi.org.tw and input the key words for inquiry.

VII. The Registrar Agency Department of Capital Securities Corporation is the proxy tallying and verification institution for the present Shareholders' Meeting.

VIII. The shareholders of the present Shareholders' Meeting may exercise their voting rights by electronic means. The period for exercising the voting rights is from May 26, 2026 to June 22, 2026. Please log onto the "Stockservices" website of Taiwan Depository & Cleaning Corporation (TDCC) in order to perform voting according to relevant instructions (website address: https://stockservices.tdcc.com.tw).

IX. The Company's 2026 annual general shareholders' meeting will be recorded in its entirety without interruption, and the recording will be uploaded to YouTube (URL: https://www.youtube.com/channel/UCnEA23N7OD75WN9GdqEgPkQ) after the meeting. Anyone may access the recording directly via the above link.

To:
Shareholders

Board of Directors of Shin Shin Co., Ltd.