Hi Sun Technology (China) Limited — Proxy Solicitation & Information Statement 2026

Apr 16, 2026

HI SUN TECHNOLOGY (CHINA) LIMITED

高陽科技（中國）有限公司*

(Incorporated in Bermuda with limited liability)

(Stock Code: 818)

FORM OF PROXY FOR ANNUAL GENERAL MEETING

Form of Proxy for use at the annual general meeting (the "Annual General Meeting") convened at Room 2515, 25th Floor, Sun Hung Kai Centre, 30 Harbour Road, Wanchai, Hong Kong on Wednesday, 20 May 2026 at 11:30 a.m. (or at any adjournment thereof)

I/We(1)

of (address)

being the registered holder(s) of(2) __________ shares of HK$0.0025 each in the share capital

of Hi Sun Technology (China) Limited (the "Company"), HEREBY APPOINT(3)

of (address)

or failing him(3) the Chairman of the Annual General Meeting as my/our proxy to act for me/us and on my/our behalf at the Annual General Meeting (or any adjournment thereof) for the purpose of considering and, if thought fit, passing the resolutions set out in the notice convening the said Annual General Meeting and at such meeting or at any adjournment thereof to vote for me/us and in my/our name(s) in respect of the resolutions as indicated below and, if no such indication is given, as my/our proxy thinks fit.

ORDINARY RESOLUTIONS		FOR(3)	AGAINST(3)
1.	To receive and adopt the audited consolidated financial statements of the Company and the reports of the directors and the auditor of the Company for the year ended 31 December 2025.
2.	To re-elect Mr. Xu Wensheng as a Director.
3.	To re-elect Mr. Tam Chun Fai as a Director.
4.	To re-elect Mr. Leung Wai Man, Roger as a Director.
5.	To re-elect Mr. Xu Sitao as a Director.
6.	To authorise the Board of Directors to fix the remuneration of the Directors.
7.	To re-appoint PricewaterhouseCoopers as the auditor of the Company and to authorise the Board of Directors to fix their remuneration.
8.	To grant a general mandate to the Directors to allot, issue and deal with additional shares of the Company not exceeding 20% of the issued shares of the Company.
9.	To grant a general mandate to the Directors to repurchase shares of the Company not exceeding 10% of the issued shares of the Company.
10.	To extend the general mandate granted to the Directors to allot, issue and deal with additional shares of the Company of an amount representing the total number of shares to be repurchased by the Company.

Dated this __ day of __ 2026

Signature(4)

Notes:

1. Full name(s) and address(es) to be inserted in BLOCK CAPITALS.
2. Please insert the number of shares of HK$0.0025 each registered in your name(s). If no number is inserted, this form of proxy will be deemed to relate to all the shares in the capital of the Company registered in your name(s).
3. Any shareholder of the Company entitled to attend and vote at a meeting of the Company or a meeting of the holders of any class of shares in the Company shall be entitled to appoint another person as his proxy to attend and, on a poll, vote instead of him. Please insert the name and address of the proxy desired. IF NO NAME IS INSERTED, THE CHAIRMAN OF THE ANNUAL GENERAL MEETING WILL ACT AS YOUR PROXY. Any alterations made to this form of proxy should be initialled by the person who signs it. The proxy need not be a member of the Company.
4. The full text of the resolution is set out in the notice of Annual General Meeting.
5. IMPORTANT: IF YOU WISH TO VOTE FOR A RESOLUTION, PLEASE PLACE A “√” IN THE RELEVANT BOX MARKED “FOR”. IF YOU WISH TO VOTE AGAINST A RESOLUTION, PLEASE PLACE A “√” IN THE RELEVANT BOX MARKED “AGAINST”. Failure to tick either box will entitle your proxy to cast his vote at his discretion. Your proxy will also be entitled to vote at his discretion on any resolution properly put to the meeting other than those referred to in the notice convening the meeting.
6. This form of proxy must be signed by you or your attorney duly authorised in writing or, in the case of a corporation, must be either under its common seal or under the hand of an officer or attorney duly authorised.
7. Where there are joint registered holders of any share, any one of such persons may vote at the meeting, either personally or by proxy. If more than one of such joint holders be present at the meeting, the vote of the senior who tenders a vote, whether in person or by proxy, shall be accepted to the exclusion of the vote(s) of the other joint holder(s), and for this purpose seniority shall be determined by the order in which the names stand in the register of members.
8. To be valid, this form of proxy together with the power of attorney or other authority, if any, under which it is signed or certified copy of that power or authority must be lodged at the Company's branch share registrar in Hong Kong, Tricor Investor Services Limited at 17/F., Far East Finance Centre, 16 Harcourt Road, Hong Kong as soon as possible but in any event not less than 48 hours before the time appointed for holding the meeting or any adjournment thereof.
9. Completion and return of this form of proxy will not preclude you from physically attending and voting in person at the Annual General Meeting. In the event that you physically attend the Annual General Meeting after having lodged this form of proxy, this form of proxy will be deemed to have been revoked.

PERSONAL INFORMATION COLLECTION STATEMENT

Your supply of your and your proxy's (or proxies') name(s) and address(es) is on a voluntary basis for the purpose of processing your request for the appointment of a proxy (or proxies) and your voting instructions for the Meeting of the Company (the "Purposes"). We may transfer your and your proxy's (or proxies') name(s) and address(es) to our agent, contractor, or third party service provider who provides administrative, computer and other services to us for use in connection with the Purposes and to such parties who are authorized by law to request the information or are otherwise relevant for the Purposes and need to receive the information. Your and your proxy's (or proxies') name(s) and address(es) will be retained for such period as may be necessary to fulfil the Purposes. Request for access to and/or correction of the relevant personal data can be made in accordance with the provisions of the Personal Data (Privacy) Ordinance and any such request should be in writing by mail to the Company at the above address or Tricor Investor Services Limited at 17/F., Far East Finance Centre, 16 Harcourt Road, Hong Kong.

• For identification purpose only