Nanjing Sample Technology Company Limited — Proxy Solicitation & Information Statement 2025

Dec 16, 2025

The Hong Kong Exchanges and Clearing Limited and the Stock Exchange of Hong Kong Limited taken 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.

南京三寶科技股份有限公司

NANJING SAMPLE TECHNOLOGY CO.,LTD.*
(a joint stock limited company incorporated in the People's Republic of China with limited liability)
(Stock Code: 1708)

NOTICE OF EXTRAORDINARY GENERAL MEETING

NOTICE IS HEREBY GIVEN that the Extraordinary General Meeting (the "EGM") of Nanjing Sample Technology Company Limited* (the "Company") will be held at No. 10 Maqun Avenue, Qixia District, Nanjing City, Jiangsu Province, the PRC on Friday, 9 January 2026 at 10:00 a.m. for the following purposes:

Capitalised terms used in this notice shall have the same meanings as those defined in the circular for the EGM dated 16 December 2025 to the Shareholders unless otherwise specified.

AS ORDINARY RESOLUTIONS

(1) To consider and approve the removal of Mr. Sha Min as a non-executive Director;
(2) To consider and approve the appointment of Mr. Zhang Chengji as a non-executive Director with a term of office commencing from the date of approval at the EGM until the expiry of the term of the ninth session of the Board and to authorize the Board on behalf of the Company to determine his remuneration;
(3) To consider and approve the appointment of Mr. Zhang Bin as an independent non-executive Director with a term of office commencing from the date of approval at the EGM until the expiry of the term of the ninth session of the Board and to authorize the Board on behalf of the Company to determine his remuneration; and
(4) To consider and approve the appointment of Ms. Xu Gaoyan as an independent non-executive Director with a term of office commencing from the date of approval at the EGM until the expiry of the term of the ninth session of the Board and to authorize the Board on behalf of the Company to determine her remuneration.

• for identification purpose only

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By Order of the Board
Nanjing Sample Technology Company Limited*
Liu Fei
Chairman

Nanjing, the PRC
16 December 2025

Notes:

1. Any member of the Company (“Member”) entitled to attend and vote at the EGM is entitled to appoint one or more proxies to attend and vote on his behalf. A proxy need not be a member of the Company. In the case of a joint holding, the form of proxy may be signed by any joint holder, but if more than one joint holder is present at the meeting, whether in person or by proxy, that one of the joint holders whose name stands first on the register of Members in respect of the relevant joint holding shall alone be entitled to vote in respect thereof.

2. To be valid, a proxy form and the power of attorney or other authority, if any, under which it is signed or a notarially certified copy of such authority must be deposited at the Company’s H Share Registrar, Computershare Hong Kong Investor Services Limited at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong (“H Share Registrar”) and in case of holders of domestic shares, to the Company’s mailing address at No. 10 Maqun Avenue, Qixia District, Nanjing City, Jiangsu Province, the PRC not less than 24 hours before the time appointed for the holding of the EGM or 24 hours before the time appointed for taking the poll. Delivery of the form of proxy shall not preclude a shareholder of the Company from attending and voting in person at the meeting and, in such event, the instrument appointing a proxy shall be deemed to be revoked.

3. Members or their proxies shall present identity proof (and form of proxy in case of proxies) upon attending the EGM.

4. In order to determine the identity of the shareholders to attend and vote at the EGM, the register of Members in Hong Kong will be closed from Tuesday, 6 January 2026 to Friday, 9 January 2026, (both days inclusive). Instruments of transfer accompanied by relevant share certificates must be lodged with the H Share Registrar at Shops 1712-1716, 17th Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong by 4:30 p.m. on Monday, 5 January 2026.

As at the date hereof, the executive Directors are Mr. Liu Fei (Chairman), Mr. Ma Fengkui and Mr. Liu Min, the non-executive Director is Mr. Sha Min; and the independent non-executive Directors are Mr. Hu Hanhui, Mr. Gao Lihui and Ms. Chung Yuet Mei.