Kingwell Group Limited — Proxy Solicitation & Information Statement 2022

Nov 3, 2022

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(Incorporated in Bermuda with limited liability)

(Stock Code: 559)

FORM OF PROXY FOR THE 2022 ANNUAL GENERAL MEETING

I/We[1]

of

being the registered holder(s) of[2] ordinary shares of HK$0.05 each in the share capital of DETAI NEW ENERGY GROUP LIMITED (the ‘‘Company’’), HEREBY APPOINT[3]

of

or failing him, the chairman of the annual general meeting of the Company (the ‘‘Meeting’’) as my/our proxy to attend and vote for me/us and on my/our behalf at the Meeting to be held at 11:00 a.m., on Monday, 5 December 2022 at Conference room, 8/F, China Insurance Group Building, No. 141 Des Voeux Road Central, Hong Kong and at any adjournment thereof for the purpose of considering and, if thought fit, passing the resolutions set out in the notice convening the Meeting and to vote for me/us in my/our name(s) in respect of the said resolutions as indicated below:

• ORDINARY RESOLUTIONS FOR[4] AGAINST[4]

• 1. To receive and adopt the audited consolidated financial statements of the Company and its subsidiaries and the reports of directors of the Company (the ‘‘Director(s)’’) and of the auditor for the year ended 30 June 2022.
• 1. 2.1 Each as a separate resolution, to re-elect the following retiring Directors: 2.1.1 Mr. Cheng Chi Kin as an executive Director; 2.1.2 Mr. Wong Siu Keung Joe as an executive Director; and 2.1.3 Mr. Chiu Wai On as an independent non-executive Director.

• 2.2 To authorise the board of Directors (the ‘‘Board’’) to fix the Directors’ remuneration.

• 1. To re-appoint BDO Limited as the Company’s auditor and to authorise the Board to fix its remuneration.

• 4A. To grant a general mandate to the Directors to allot, issue and deal with additional securities of the Company.

• 4B. To grant a general mandate to the Directors to repurchase the Company’s own shares. 4C. To add the repurchased shares to the mandate granted to the Directors under Resolution 4A. SPECIAL RESOLUTION FOR[4] AGAINST[4]

• 1. To adopt the New Bye-laws

• Dated this day of 2022 Signature(s) Notes: 1. Full name(s) and address(es) to be inserted in BLOCK CAPITALS. The names of all joint holders should be stated. 2. Please insert the number of shares registered in your name(s). 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).

• 1. Insert in BLOCK CAPITALS the name and address of the proxy desired in the space provided. If no name is inserted, the chairman of the Meeting will act as your proxy. Any member entitled to attend and vote at the meeting shall be entitled to appoint another person as his proxy to attend and vote instead of him. A proxy need not be a member of the Company.
• 1. IMPORTANT: IF YOU WISH TO VOTE FOR THE RESOLUTION, TICK THE BOX MARKED ‘‘FOR’’. IF YOU WISH TO VOTE AGAINST THE RESOLUTION, TICK THE BOX MARKED ‘‘AGAINST’’. Failure to complete the box will entitle your proxy to cast his/her vote at his/her discretion.
• 1. 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 executed under its common seal or under the hand of an officer or attorney duly authorised.
• 1. In the 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 the 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.
• 1. 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 notarially certified copy of such power or authority, must be deposited at the branch share registrar and transfer office of the Company in Hong Kong, Tricor Tengis Limited, at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong not less than 48 hours before the time appointed for holding the Meeting or any adjournment thereof (as the case may be).

• Completion and deposit of this form of proxy will not preclude you from attending and voting at the meeting if you so wish and in such event, the instrument appointing a proxy shall be deemed to be revoked.

• Any alteration made in this form should be initialed by the person(s) who sign(s) it. 10. The voting at the Meeting (or at any adjournment thereof) shall be taken by way of poll.

PERSONAL INFORMATION COLLECTION STATEMENT

ofHong‘‘PersonalprocessingKongData(‘‘yourPDPO’’ ininstructionsthis’’), whichstatementincludeas statedhas yourtheinsamethisand ProxyyourmeaningproxyFormas’s(the‘‘namepersonal‘‘Purposesand dataaddress.’’’’).definedIfYouryouinsupplyfailthetoPersonalofsupplythe PersonalsufficientData (Privacy)Datainformation,is onOrdinance,a voluntarythe CompanyChapterbasis 486andmayforofnotthethebeLawspurposeable ofto process your instructions. The Company may disclose or transfer the Personal Data to its subsidiaries, its Share Registrar and/or third party service provider who provides administrative, computer and other services to the Company for use in connection with the Purposes and to such parties who are authorised by law to request the information or are otherwise relevant for the Purposes and need to receive the information. The Personal Data will be retained for such period as may be necessary to fulfil the Purposes (including for verification and record purposes). Request for access to and/or correction of the Personal Data can be made in accordance with the provisions of the PDPO and any such request should be in writing and sent to the Privacy Compliance Officer of Tricor Tengis Limited at the above address.