RUN LONG — Proxy Solicitation & Information Statement 2026

May 20, 2026

RUN LONG CONSTRUCTION CO., LTD.

Meeting Notice of 2026 Annual Shareholders' Meeting

The 2026 annual shareholders' meeting will be held at 9:00 a.m. on Tuesday, June 9, 2026 at No. 8 Zhifu Rd., Zhongshan District, Taipei City (Luma Hall, Dazhi Denwell Hotel). Registration begins at 8:30 a.m. The registration location is the same as the meeting location.

I. The agenda for the Meeting is as follows:

1. Reported Item(s):
   (1). 2025 Business Report.
   (2). 2025 Audit Report of the Audit Committee.
   (3). Report on the distribution status for the 2025 remuneration to employees and directors.
   (4). Report on the distribution of cash dividends from the 2025 earnings.
   (5). Report on offering and issuance status of corporate bonds.

2. Ratification Item(s):
   (1). Proposal for the Company's 2025 business report and financial statements.
   (2). Proposal for the Company's 2025 earnings distribution.

3. Discussion Item(s):
   (1). Company's Proposal for Capital Reduction.

4. Extemporary Motions:

II. If the agenda of this shareholders' meeting includes any proposals that are required to be listed in accordance with Article 172 of the Company Act, please visit the Market Observation Post System (website: https://mops.twse.com.tw), click on "Single Company" / "Electronic Documents Download" / "Annual Reports and Shareholders' Meeting Information" /, and enter the company code (or abbreviation) and the year to search for

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"Reference Materials for Shareholders' Meeting Proposals" or "Meeting Handbook and Supplementary Materials".

III. Proposal for the Company's 2025 earnings distribution approved by the resolution of the board of directors plan be adopted as follows:

(1) 1. Cash dividends of NT$1.5 per share (e.g. NT$1,500 per thousand shares).

1. The cash dividends are calculated up to NT$1.0, decimal points are not accounted for. The total uncounted shares in fractions of NT$1.0 shall be listed as other income of the Company.

(2) In case of changes to laws and regulations or adjustments made by competent agencies or the buyback, cancellation, share exchange of corporate bonds, issuance of new stocks or other changing factors affecting the shares by the Company afterward, resulting in changes to the current number of shares and pay-out ratio, full authorization shall be given to Chairperson to fully handle these matters.

IV. Pursuant to Article 165 of the Company Act, the Company hereby closes the share transfer registration from April 11, 2026 to June 9, 2026.

V. In addition to announcing the convening of this Shareholders' Meeting on the Market Observation Post System, we are hereby sending this meeting notice the attendance card and the authorization letter to you. We sincerely hope that you could spare your time to attend this Shareholders' Meeting. If you would attend the Meeting in person, please fill in the attendance card on the second stub of this meeting notice and bring it to the venue on the day of the Meeting, without sending it back to us. If you intend to attend the Meeting by proxy, please fill in the authorization letter on the second stub of this meeting notice, and send the meeting notice to the Corporation's agent for stock

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affairs, Capital Securities Co., Ltd., on five days before the meeting. After the Department registering your stub of attendance card with the stamp, it will then be sent to your proxy, allowing to attend the Meeting.

VI. If there is a proxy solicitation from shareholders, the company will prepare a summary form of solicitation information for solicitors before May 8, 2026 and publish it on the website of the Securities and Futures Market Development Foundation. If investors want to inquire, they can directly enter the URL: https://Free.sfi.org.tw Go to "Free Inquiry of Power of Attorney Announcement Information" and enter the search conditions.

VII. The Transfer Agency Department of Capital Securities Co., Ltd. is the proxy tallying and verification institution for this Annual Shareholders' meeting.

VIII. The shareholders for this shareholders' meeting may exercise their voting rights in the electronic form. The period for exercising the rights is from May 9, 2026 through June 6, 2026. Please log into the "Shareholder e Service" of the Taiwan Depository & Clearing Corporation and vote according to relevant instructions. [Website://stockservices.tdcc.com.tw]

To Shareholders

Best Regards,
Board of Directors
RUN LONG CONSTRUCTION CO., LTD.

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