Du Du Holdings Limited — Proxy Solicitation & Information Statement 2025

Oct 28, 2025

CN

Du Du Holdings Limited

都都控股有限公司

(formerly known as Silk Road Energy Services Group Limited 絲路能源服務集團有限公司)

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 8250)

FORM OF PROXY

Form of proxy for use by shareholders of Du Du Holdings Limited (the "Company") at the annual general meeting (the "Meeting") to be held at Flat C, 2/F., Gaylord Commercial Building, 114-118 Lockhart Road, Wan Chai, Hong Kong, on Monday, 8 December 2025 at 3:00 p.m. and any adjournment thereof.

I/We, (note a)

of

being the registered holder(s) of (note b) shares of HK$0.20 each in the share capital

of the Company HEREBY APPOINT THE CHAIRMAN OF THE MEETING, or (note c)

of

as my/our proxy to attend and act for me/us at the Meeting and at any adjournment thereof and to vote on my/our behalf in respect of the resolutions set out in the notice convening the Meeting dated 28 October 2025 (the "AGM Notice") as hereunder indicated, and, if no such indication is given, as my/our proxy thinks fit.

Please tick $(^{\prime \prime}\checkmark^{\prime \prime})$ the appropriate boxes to indicate how you wish your vote(s) to be cast (note d).

No.	Ordinary Resolutions	For (note d)	Against (note e)
1.	To receive and adopt the audited consolidated financial statements, the reports of the directors and the independent auditor (the “Independent Auditor”) of the Company for the year ended 30 June 2025.
2.	(A) To re-elect Mr. Cai Da as an executive director of the Company.
	(B) To re-elect Mr. Huang Tianhua as an independent non-executive director of the Company.
	(C) To re-elect Ms. Yuen Wai Man as an independent non-executive director of the Company.
	(D) To re-elect Mr. Wan Yu as an independent non-executive director of the Company.
3.	To authorise the board (the “Board”) of directors of the Company to fix the directors’ remuneration.
4.	To re-appoint Confucius International CPA Limited as the Independent Auditor and authorise the Board to fix the Independent Auditor’s remuneration.
5.	To grant a general mandate to the directors of the Company to allot, issue and deal with additional shares of the Company not exceeding 20% of the existing issued share capital of the Company as at the date of passing of this resolution as described in resolution no. 5 of the AGM Notice.
6.	To grant a general mandate to the directors of the Company to repurchase shares of the Company not exceeding 10% of the existing issued share capital of the Company as at the date of passing of this resolution as described in resolution no. 6 of the AGM Notice.
7.	To add the nominal amount of repurchased shares of the Company to the general mandate granted to the directors of the Company under resolution no. 5 above as described in resolution no. 7 of the AGM Notice.

Dated this __ day of __ 2025

Shareholder's Signature: _______ (note f)

Notes:

a. Full name(s) and address(es) are to be inserted in BLOCK CAPITALS.
b. Please insert the number of shares registered in your name(s) 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 ("Shares") registered in your name(s).
c. A proxy need not be a shareholder of the Company but must attend the Meeting in person to represent you. If you wish to appoint some person(s) other than the Chairman of the Meeting as your proxy, please delete the words "THE CHAIRMAN OF THE MEETING, or" and insert the name and address of the person appointed as proxy in the space provided.
d. If you wish to vote for a resolution set out above, please tick $(^{\prime \prime}\checkmark^{\prime \prime})$ the appropriate box marked "For". If you wish to vote against a resolution, please tick $(^{\prime \prime}\checkmark^{\prime \prime})$ the appropriate box marked "Against". If no direction is given, your proxy may vote or abstain as he/she thinks fit. Your proxy will also be entitled to vote at his/her discretion on any resolution properly put to the Meeting other than those set out in the AGM Notice.
e. In the case of a joint holding of any Shares, this form of proxy (the "Form of Proxy") may be signed by any one of the joint holders, 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 of the Company in respect of the relevant joint holding of Shares shall alone be entitled to vote in respect thereof.
f. This Form of Proxy must be signed by a shareholder of the Company, or his/her attorney duly authorised in writing, or if the shareholder is a corporation, either under its common seal or under the hand of an officer or attorney so authorised.
g. To be valid, this Form of Proxy together with any power of attorney or other authority (if any) under which it is signed or a notarially certified copy of such power or authority must be deposited at the office of the Company's branch share registrar in Hong Kong, Computershare Hong Kong Investor Services Limited at Floor 17M, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong not less than 48 hours before the time appointed for holding the Meeting or any adjournment thereof (as the case may be).
h. Any alteration made to this form of proxy should be initialed by the person who signs it.
i. Completion and delivery of the Form of Proxy will not preclude shareholders from attending and voting in person at the Meeting or at any adjourned meeting (as the case may be) if they so wish and in such event, such form(s) of proxy shall be deemed to be revoked.