China Energy Storage Technology Development Limited — Proxy Solicitation & Information Statement 2020

Sep 30, 2020

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Link-Asia International Co. Ltd. 環亞國際實業有限公司

(incorporated in the Cayman Islands with limited liability)

(Stock code: 1143)

Form of Proxy for Use at the Extraordinary General Meeting

I/We[(Note][1)] of being the registered holder(s) of[(Note][2)] ordinary share(s) of par value HK$0.02 each in the share capital of Link-Asia International Co. Ltd. (the ‘‘Company’’) hereby appoint the chairman (the ‘‘Chairman’’) of the extraordinary general meeting of the Company (the ‘‘Meeting’’), or[(Note][3)]

of

as my/our proxy(ies) to attend and vote for me/us and on my/our behalf at the Meeting to be held at 7/F., Nexxus Building, 77 Des Voeux Road Central, Hong Kong on Thursday, 22 October 2020 at 10 a.m. (Hong Kong time) or at any adjournment thereof, for the purpose of considering and, if thought fit, passing the following resolutions as set out in the notice convening the Meeting and vote for me/us and in my/our names in respect of the resolutions as indicated below or, if no such indication is given, as my/our proxy(ies) thinks fit and in respect of any other business that may properly come before the Meeting and/or at any adjournment thereof:

ORDINARY RESOLUTIONS FOR[(Note][4)] AGAINST[(Note][4)] (a) To approve the refreshment of the General Mandate to issue, allot and otherwise deal with the Shares as defined in the circular of the Company dated 30 September 2020 (the ‘‘Circular’’). Dated this day of 2020 Signature(s)[(Note][6)] :

Notes:

1. Full name(s) and address(es) must be inserted in BLOCK CAPITALS. The names of all joint registered holders should be stated. 2. Please insert the number of shares registered in your name(s) to which the 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).

2. IfCompany,any proxyor’’otherand insertthan thethe nameChairmanand addressof the ofMeetingthe proxyis preferred,desired in pleasethe spacestrikeprovided.out ‘‘theANYChairmanALTERATIONof the extraordinaryMADE TO THISgeneralFORMmeetingOF PROXYof the MUST BE INITIALLED BY THE PERSON(S) WHO SIGN(S) IT.

3. IMPORTANT: IF YOU WISH TO VOTE FOR THE RESOLUTION, TICK THE APPROPRIATE BOX MARKED ‘‘FOR’’. IF YOU WISH TO VOTE AGAINST THE RESOLUTION, TICK THE APPROPRIATE BOX MARKED ‘‘AGAINST’’. Failure to tick either box will entitle your proxy to cast your vote or abstain at his/her discretion. Your proxy will also be entitled to vote or abstain at his/her discretion on any resolution properly put to the Meeting and/or at any adjournment thereof other than those referred to in the notice of the Meeting.

4. This form of proxy shall be in writing under the hand of the appointor or of his/her attorney duly authorised in writing or, if the appointor is a corporation, either under its seal or under the hand of an officer or attorney authorised to sign the same. In the case of this form of proxy purporting to be signed on behalf of a corporation by an officer thereof it shall be assumed, unless the contrary appears, that such officer was duly authorised to sign this form on behalf of the corporation without further evidence of the fact.

5. Any member entitled to attend and vote at the Meeting is entitled to appoint another person as his/her proxy to attend and vote instead of him/her. A member may appoint a proxy in respect of part only of his/her holding of shares in the Company. A member who is the holder of two or more shares of the Company may appoint more than one proxy to represent him and vote on his/her behalf. A proxy need not be a member of the Company.

6. This form of proxy and (if required by the board of directors of the Company) the power of attorney or other authority (if any) under which it is signed,Company,or Tricora notariallyInvestorcertifiedServicescopyLimited,of suchat powerLevel or54,authority,Hopewell shallCentre,be 183deliveredQueento’s theRoadofficeEast,ofHongthe HongKong Kongnot lessbranchthan forty-eightshare registrar(48) ofhoursthe before the time appointed for holding the Meeting or adjourned meeting at which the person named in this form proposes to vote or, in the case of a poll taken subsequently to the date of the Meeting or adjourned meeting, not less than forty-eight (48) hours before the time appointed for the taking of the poll and in default this form of proxy shall not be treated as valid.

7. Delivery of this form of proxy shall not preclude a member from attending and voting in person at the Meeting convened and in such event, this form of proxy shall be deemed to be revoked.

8. Where there are joint holders of any share, any one of such joint holders may vote at the Meeting, either in person or by proxy, in respect of such share as if he/she were solely entitled thereto, but if more than one of such joint holders be present at the Meeting personally or by proxy, the vote of the senior who tenders a vote, whether in person or by proxy, shall be accepted to the exclusion of the votes of the other joint holders, and for this purpose seniority shall be determined by the order in which the names stand in the register of members of the Company in respect of the joint holding.

9. The notice of the Meeting is set out in the Company’s circular dated 30 September 2020.

PERSONAL INFORMATION COLLECTION STATEMENT

(orappointmentYourproxiessupply’) ofname(s)ofayourproxyandand(oraddress(es)yourproxies)proxyand’tos (orouryourproxiesagent,votingcontractor,’)instructionsname(s) orandforthirdaddress(es)thepartyMeetingserviceisofontheprovidera Companyvoluntarywho (theprovidesbasis‘‘Purposesfor administrative,the purpose’’). We mayofcomputerprocessingtransferandyouryourotherandrequestservicesyour proxyfortotheus’s forneeduseto inreceiveconnectionthe information.with the PurposesYour andandyourto suchproxyparties’s (or whoproxiesare’)authorisedname(s) andby address(es)law to requestwillthebeinformationretained fororsuchare periodotherwiseas mayrelevantbe necessaryfor the Purposesto fulfil andthe 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/Tricor Investor Services Limited at the above address.