Art Group Holdings Limited — Proxy Solicitation & Information Statement 2021

May 28, 2021

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ART GROUP HOLDINGS LIMITED ����������

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 565)

EXTRAORDINARY GENERAL MEETING TO BE HELD ON FRIDAY, 18 JUNE 2021 FORM OF PROXY

I/We[(1)]

of

being the registered holder(s) of[(2)] shareshares in the capital of Art Group Holdings Limited (the ‘‘Company’’), hereby appoint the chairman of the Meeting[(3][and][4)] or

shareshares of HK$0.01 each (the ‘‘Shares’’)

of

as my/our proxy to act for me/us at the extraordinary general meeting (the ‘‘Meeting’’) of the Company to be held at Unit 1603-1604, 16/F, Causeway Bay Plaza I, 489 Hennessy Road, Causeway Bay, Hong Kong on Friday, 18 June 2021 at 3:20 p.m. for the purpose of considering and, if thought fit, passing the resolutions set out in the notice convening the Meeting and at the Meeting, and at any adjournment thereof, to vote for me/us in my/our name(s) as indicated below in respect of such resolution and, if no such indication is given, as my/our proxy thinks fit.

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----- Start of picture text ----- ORDINARY RESOLUTIONS FOR [(5)] AGAINST [(5)]1. To approve, ratify and confirm the Sale and Purchase Agreement (as defined in thecircular of the Company dated 28 May 2021) and the transactions contemplatedthereunder; and to authorise any one or more of the directors of the Company to do allsuch acts and things, to sign, execute and amend all such documents for and on behalf ofthe Company and to take such steps as he/she/they may in his/her/their absolute discretionconsider necessary, appropriate, desirable or expedient to give effect to or in connectionwith the Sale and Purchase Agreement and the transactions contemplated thereunder.2. To approve, ratify and confirm the Lease Contract Jiachao’s (as defined in the circular ofthe Company dated 28 May 2021) and the transactions contemplated thereunder; and toauthorise any one or more of the directors of the Company to do all such acts and things,to sign, execute and amend all such documents for and on behalf of the Company and totake such steps as he/she/they may in his/her/their absolute discretion consider necessary,appropriate, desirable or expedient to give effect to or in connection with the LeaseContract Jiachao’s and the transactions contemplated thereunder.3. To approve, ratify and confirm the Lease Contract Zone C (as defined in the circular ofthe Company dated 28 May 2021) and the transactions contemplated thereunder; and toauthorise any one or more of the directors of the Company to do all such acts and things,to sign, execute and amend all such documents for and on behalf of the Company and totake such steps as he/she/they may in his/her/their absolute discretion consider necessary,appropriate, desirable or expedient to give effect to or in connection with the LeaseContract Zone C and the transactions contemplated thereunder.----- End of picture text -----

Date: Shareholder’s signature[(6)] : 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 such Shares registered in your name(s). 3. Please insert the name and address of the proxy desired in the space provided. Any alteration made to this form of proxy must be initialled by the person who signs it. If no name is inserted, the duly appointed Chairman of the Meeting will set as your proxy.

3. A proxy need not be the Chairman of the Meeting. If you wish to appoint some person 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 proxy in the space provided.

4. IMPORTANT: If you wish to vote for or against the resolution, please place a ‘‘✓’’ in the box marked ‘‘FOR’’ or the box marked ‘‘AGAINST’’ as appropriate. Failure to complete a box will entitle your proxy to cast your vote(s) or abstain at his discretion. Your proxy will also be entitled to vote or abstain at his discretion on any resolution properly put to the Meeting other than that referred to in the notice convening the Meeting.

5. The full text of these resolutions appear in the notice of the Meeting dated 28 May 2021. 7. 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 seal or under the hand of an officer or attorney duly authorised to sign the same.

6. Where there are joint registered holders of any Shares, any one of such joint holders may vote at the Meeting, either in person or by proxy, in respect of such Shares as if he were solely entitled thereto, but if more than one of such joint holders are present at the Meeting in person or by proxy, then one of the said persons so present whose name stands first on the register of members in respect of such Shares shall alone be entitled to vote in respect thereof.

7. A proxy need not be a member of the Company. 10. branchIn ordershareto beregistrarvalid, thisof theformCompanyof proxyinandHongthe Kong,power Tricorof attorneyInvestoror otherServicesauthority,Limitedif atany,Levelunder54,whichHopewellit is signedCentre,or183a certifiedQueen’s copyRoad ofEast,suchHongpowerKong,of attorneyas soonorasauthority,possible butmustinbeanydepositedevent notat lessthe than 48 hours before the time appointed for the holding of the Meeting or any adjournment thereof. Completion and return of this form of proxy will not preclude you from attending and voting in person at the Meeting or any adjournment thereof should you so wish.

PERSONAL INFORMATION COLLECTION STATEMENT

forYourthesupplyMeetingof yourof theandCompanyyour proxy(the’s‘‘(orPurposesproxies’’’).）name(s)We mayandtransferaddress(es)your andis youron a voluntaryproxy’s (orbasisproxiesfor ’the）name(s)purposeandof address(es)processing yourto ourrequestagent,forcontractor,the appointmentor third ofpartya proxyservice(orproviderproxies)whoand providesyour votingadministrative,instructions information.computer andYourotherandservicesyour proxyto us ’fors (oruseproxiesin connection’）name(s)withandtheaddress(es)Purposes willand beto suchretainedpartiesfor whosuch areperiodauthorizedas may bybe lawnecessaryto requestto fulfilthe informationthe Purposes.or Requestare otherwisefor accessrelevantto and/orfor thecorrectionPurposes ofandtheneedrelevantto receivepersonalthe 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/Tricor Investor Services Limited at the above address.