Hilong Holding Limited — Proxy Solicitation & Information Statement 2025

Aug 4, 2025

HILONG

Hilong Holding Limited 海隆控股有限公司*

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 1623)

Number of shares to which this form of proxy relates (Note 2)

Form of Proxy for use at the 2025 Second Extraordinary General Meeting to be held on Monday, 25 August 2025 (the "Meeting") and at any adjournment thereof

I/We (Note 2).

of

being the registered holder(s) of _____ shares in the issued share capital of Hilong Holding Limited (the "Company")

HEREBY APPOINT (Note 3)

of

or failing him, the Chairman of the Meeting as my/our proxy to attend and vote for me/us and on my/our behalf as directed below at the Meeting of the Company to be held at Conference Room, 6th Floor, Hilong Group of Companies Ltd., No. 1825 Luodong Road, Baoshan Industrial Zone, Shanghai, China on Monday, 25 August 2025 at 10:00 a.m. and at any adjournment thereof.

Please tick (☑) the appropriate boxes to indicate how you wish your vote(s) to be cast (Note 4).

ORDINARY RESOLUTIONS		FOR	AGAINST
1.	“THAT:
(a) the 2025 Drill Pipe Inspection and Coating Services Agreement and the transactions contemplated thereunder and the proposed annual cap and the Revised Hilong Energy Annual Cap referred to in the sub-section headed “2. (A) Revised Hilong Energy Annual Cap” in the “Letter from the Board” contained in the circular dated 4 August 2025 (the “Circular”) of the Company, be and are hereby approved, confirmed and ratified; and
(b) any one or more directors of the Company be and is/are hereby authorised to do all such acts and things and sign all such documents (under seal, if necessary) and to take all such steps as he/she/they consider necessary or expedient or desirable to implement and/or give effect to the above agreements and the transactions contemplated thereunder and the proposed revised annual cap, and to agree to such variation, amendment or waiver as are, in the opinion of the directors of the Company, in the interests of the Company.” (Note 5)
2.	“THAT:
(a) the 2025 Pipeline Cleaning and Inspection Agreement dated 1 August 2025 referred to in the sub-section headed “2. (B) 2025 Pipeline Cleaning and Inspection Agreement” in the “Letter from the Board” contained in the Circular and the transactions contemplated thereunder and the proposed annual cap, be and are hereby approved, confirmed and ratified; and
(b) any one or more directors of the Company be and is/are hereby authorised to do all such acts and things and sign all such documents (under seal, if necessary) and to take all such steps as he/she/they consider necessary or expedient or desirable to implement and/or give effect to the above agreement and the transactions contemplated thereunder and the proposed revised annual cap, and to agree to such variation, amendment or waiver as are, in the opinion of the directors of the Company, in the interests of the Company.” (Note 5)

Dated this __ day of __ 2025

Signed (Note 6)

Notes:

1. Please insert the number of shares to which this form of proxy relates. If no number is inserted, this form of proxy will be deemed to relate to all the shares of the Company registered in your name(s). If more than one proxy is appointed, the number of shares in respect of which each such proxy so appointed must be specified.
2. Full name(s) and address to be inserted in BLOCK CAPITALS. The names of all joint holders should be stated.
3. Please insert the name and address of the proxy desired in the space provided. A shareholder of the Company who is the holder of two or more shares of the Company may appoint more than one proxy to attend and vote on his behalf. A proxy need not be a shareholder of the Company but must attend the Meeting in person to represent you.
4. IMPORTANT: IF YOU WISH TO VOTE FOR A RESOLUTION, PLEASE TICK (☑) THE BOX MARKED "FOR". IF YOU WISH TO VOTE AGAINST A RESOLUTION, PLEASE TICK (☑) THE BOX MARKED "AGAINST". If no direction is given, your proxy will vote or abstain at his discretion.
5. For details, please refer to the circular of the Company dated 4 August 2025.
6. This form of proxy must be signed by you or your attorney duly authorised in writing. In case of a corporation, the same must be either under its common seal or under the hand of an officer or attorney so authorised. ANY ALTERATION MADE TO THIS FORM OF PROXY MUST BE INITIALLED BY THE PERSON WHO SIGNS IT.
7. In case of joint holders, the vote of the senior who tenders a vote, whether in person or by proxy, will be accepted to the exclusion of votes of the other joint holder(s) and for this purpose seniority will be determined by the order in which the names stand in the register of members of the Company.
8. In order to be valid, this form of proxy, together with the power of attorney or other authority (if any) under which it is signed or a certified copy thereof, must be deposited at the Company's Hong Kong share registrar, Computershare Hong Kong Investor Services Limited, at 17M Floor, Hopewell Centre, 183 Queen's Road East, Wan Chai, Hong Kong not less than 48 hours before the time appointed for the Meeting (i.e. not later than 10:00 a.m. on Saturday, 23 August 2025 (Hong Kong time)) or any adjournment thereof.

9. Completion and delivery of this form of proxy will not preclude you from attending and voting in person at the Meeting or at any adjournment thereof if you so wish, and, in such event, this form of proxy will be deemed to be revoked.

10. For identification purposes only

PERSONAL INFORMATION COLLECTION STATEMENT

"Personal Data" in this statement has the same meaning as "personal data" defined in the Personal Data (Privacy) Ordinance, Chapter 486 of the Laws of Hong Kong (the "PDPO"), which include your and your proxy's name and address. Your supply of your and your proxy's Personal Data is on a voluntary basis for the purpose of processing your request for the appointment of a proxy (or proxies) and your instructions as stated in this form (the "Purposes"). Failure to provide sufficient information may result in the Company being unable to process your instructions and/or requests as stated in this form. Your and your proxy's Personal Data may be disclosed and transferred by the Company to its subsidiaries, affiliates, the Company's Hong Kong share registrar, Computershare Hong Kong Investor Services Limited and/or other companies or bodies for any of the Purposes. Your and your proxy's Personal Data will be retained for such period as may be necessary to fulfil the Purposes (including for verification and record purposes). You have the right to request access to and/or to correct your and your proxy's Personal Data in accordance with the provisions of the PDPO. Any such request should be in writing, by mail to the Hong Kong Privacy Officer of the Share Registrar at 17M Floor, Hopewell Centre, 183 Queen's Road East, Wan Chai, Hong Kong or by email at PrivacyOfficer@computershare.com.hk.