DAHON TECH (SHENZHEN) CO., LTD. — AGM Information 2026

Apr 23, 2026

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this notice, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this notice.

DAHON TECH (SHENZHEN) CO., LTD. 大行科工（深圳）股份有限公司

(A joint stock company incorporated in the People’s Republic of China with limited liability)

(Stock Code: 2543)

NOTICE OF ANNUAL GENERAL MEETING

NOTICE IS HEREBY GIVEN that an annual general meeting (the “AGM”) of DAHON TECH (SHENZHEN) CO., LTD. (the “Company”) will be held at Room 211, Block A, Manjinghua Chuangzhi Center, Shapu Community, Songgang Sub-district, Bao’an District, Shenzhen, the PRC at 9: 30 a.m. on Thursday, May 14, 2026, or any adjournment thereof, for the purpose of considering and, if thought fit, passing the following resolutions:

ORDINARY RESOLUTIONS

1. To consider and approve the annual report of the Company and its subsidiaries for the year ended December 31, 2025.

2. To consider and approve the report of the board (the “Board”) of directors (the “Directors”) of the Company for the year ended December 31, 2025.

3. To consider and approve the report of the supervisory committee of the Company for the year ended December 31, 2025.

4. To consider and approve the report of the auditor and the audited consolidated financial statements of the Company for the year ended December 31, 2025.

5. To consider and approve the profit distribution plan for the year 2025.

6. To consider and approve the re-appointment of Deloitte Touche Tohmatsu, as the auditor of the Company and to authorize the Board to determine its remuneration.

7. To consider and approve the amendment of the Policy for the Administration of External Investments.

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1. To authorize the Board to fix the remuneration of the Directors and the senior management of the Company.

2. To authorize the Board to fix the remuneration of the supervisors of the Company.

SPECIAL RESOLUTIONS

1. To consider and approve the grant of a general mandate to the Board to issue new Shares, with the details of the general mandate as set out in the Circular.

2. To consider and approve the grant of a general mandate to the Board to repurchase H Shares, with the details of the general mandate as set out in the Circular.

By order of the Board

DAHON TECH (SHENZHEN) CO., LTD.

Dr. Hon Ta-Wei

Chairman of the Board, Executive Director and General Manager

Shenzhen, April 23, 2026

As of the date of this announcement, the executive directors of the Company are Dr. Hon Ta-Wei, Ms. Li Guiyu, Ms. Liu Guocun and Ms. Lee Hsiu-Fen; and the independent non-executive directors of the Company are Dr. Lee Lai Sun Peter, Mr. Liu Xuequan and Mr. Zhao Gensheng.

Notes:

1. Details of the above resolutions are set out in the circular of the Company dated 23 April 2026.

2. Resolutions to be submitted at the AGM shall be voted on by poll.

3. For determining the entitlement to attend and vote at the AGM, the register of members of the Company will be closed from Monday, May 11, 2026 to Thursday, May 14, 2026, both dates inclusive, during which period no transfer of shares will be registered. The record date for the purpose of ascertaining the eligibility of the holders of H shares to attend and vote at the AGM is on Thursday, May 14, 2026. In order to be eligible to attend and vote at the forthcoming AGM, holders of H Shares must lodge all completed transfer documents accompanied by the relevant share certificates with the Company’s H Share Registrar, Computershare Hong Kong Investor Services Limited at Shops 1712–1716, 17th Floor, Hopewell Centre, 183 Queen’s Road East, Wan Chai, Hong Kong on or before 4: 30 p.m. on Friday, May 8 2026.

4. Shareholders who are entitled to attend and vote at the AGM may appoint one or more proxies to attend and vote on their behalf. A proxy need not be a Shareholder. If more than one proxy is appointed, the number and class of Shares in respect of which each such proxy is so appointed shall be specified in the appointment of the proxy.

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1. The form of proxy must be signed by the Shareholder or by an authorized person appointed by the Shareholder in writing. If the Shareholder is a legal person, it must be stamped with the seal of the legal person or signed by a director or duly authorized attorney. If the form is signed by an attorney of the Shareholder, the power of attorney authorizing that attorney to sign or other authorization document must be notarized.

2. In order to be valid, in the case of holders of H Shares, the form of proxy, and if the form of proxy is signed by a person under a power of attorney or other authorization document on behalf of the appointer, a notarially certified copy of that power of attorney or other authorization document, must be deposited with the H Share registrar of the Company, Computershare Hong Kong Investor Services Limited, at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wan Chai, Hong Kong not less than 24 hours before the time appointed for holding the AGM.

In case of registered joint holders of any Shares, any one of the registered joint holders can vote on such Shares at the AGM in person or by proxy as if he/she is the only holder entitled to vote. If more than one registered joint holders attend the AGM in person or by proxy, only the vote of the person whose name appears first in the register of members of the Company relating to such Shares (in person or by proxy) will be accepted as the sole and exclusive vote of the joint holders.

Completion and return of the form of proxy will not preclude a Shareholder from attending and voting in person at the AGM or any adjournment thereof should he/she/it so wish. In this case, the power of attorney will be deemed to have been revoked.

1. Individual shareholders who wish to attend the meeting in person shall produce their identity cards or other effective document or proof of identity and stock account cards. Proxies of individual shareholders shall produce their effective proof of identity. A corporate shareholder should attend the meeting by its legal representative or proxy appointed by the legal representative. A legal representative who wishes to attend the meeting should produce his/her identity card or other valid documents evidencing his/her capacity as a legal representative. If appointed to attend the meeting, the proxy should produce his/her identity card and an authorization instrument duly signed by the legal representative of the corporate shareholder.

2. The AGM is expected to last for no more than half a day. Shareholders or their proxies attending the AGM are responsible for their own transportation and accommodation expenses.

3. All times refer to Hong Kong local time, except as otherwise stated.

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