Yusin — Proxy Solicitation & Information Statement 2026

May 20, 2026

Stock Code:4557

(Translation – In case of any discrepancy between the Chinese and English versions, the Chinese version shall prevail.)

Yusin Holding Corp

Meeting Notice of

2026 Annual Shareholders’ Meeting

Dear Shareholders,

The 2026 Annual Shareholders’ Meeting (“the Meeting”) will be held on Juan 5, 2026 at 9 a.m. (Friday), at Nice Prince Hotel, 5F., No. 600, Zhongxiao Rd., East Dist., Chiayi City 600, Taiwan (R.O.C.).

1. The agenda for the Meeting is as follows:

(1) Reported Matters:
i) 2025 Business Report of the Company
ii) 2025 Audit committee’s audit report
iii) 2025 Employees ‘and directors’ remuneration allocation report
iv) 2025 Individual directors’ remuneration

(2) Acknowledged Matters:
i) 2025 business report and annual final accounting books and statements
ii) 2025 earnings distribution proposal

(3) Matters for Discussion:
i) Amendment to the Company’s Corporate Charter (Articles of Incorporation)
ii) Proposal for Election of One Director for the 5th Board
iii) Lift Non-Compete Restrictions for Directors

(4) Extraordinary Motions

1. Shareholder Dividends to be distributed:

Proposed cash dividend is NT$95,943,680, which is equivalent to NT$2 per share. It is proposed that the Chairman be authorized to resolve the ex-dividend date and other relevant issues.

In the event that the outstanding shares are affected by the a buyback of shares, exercise of employee stock options to convert shares, or issuance or cancellation of treasury shares, it is proposed that the Board of Directors be fully authorized to adjust the payout ratio.

1. In addition to this notice, a meeting notice and a proxy will be posted to each shareholder 30 days prior to the date of the Meeting. Any shareholder who does not receive the meeting notice and proxy may contact Mega Securities Corp. at the telephone number (02) 3393-0898.

2. For any shareholder intending to solicit proxy statements, our Company will have the necessary information uploaded to the Securities and Futures

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Stock Code:4557

Institute website (https://free.sfi.org.tw) on May 5 2026. On this website, simply click the section entitled "Proxy Statement Information Free Inquiry System" and then proceed to enter your query parameters.

1. For any shareholder intending to excise the voting power by way of electronic transmission during the excise period from May 6 to June 2, 2026 please login https://www.stockvote.com.tw, the website of Taiwan Depository and Clearing Corporation, for operation manual.
2. If there is a stipulation in Article 172 of the Company Law that should list and explain the main contents of the convening, please go to the Market Observation Post System (website: https://mops.twse.com.tw)
3. The proxies shall be tallied and verified by the Transfer Agency Department of Mega Securities Corp.
4. This year's shareholder meeting will be a hybrid one. Online participants will attend through the e-Meeting Platform (https://stockservices.tdcc.com.tw) run by the Taiwan Depository Clearing Corporation (TDCC).

Shareholders who plan to attend the meeting virtually must sign up for it and register such attendance on the TDCC e-Meeting Platform between May 6, 2026 and June 2, 2026.

1. Please be advised of the aforementioned.

Sincerely Yours,

Board of Directors

Yusin Holding Corp.