China Energy Storage Technology Development Limited — Proxy Solicitation & Information Statement 2022

May 13, 2022

Link-Asia International MedTech Group Limited 環亞國際醫療科技集團有限公司

(incorporated in the Cayman Islands with limited liability)

(Stock code: 1143)

FORM OF PROXY FOR USE AT THE EXTRAORDINARY GENERAL MEETING (OR AT ANY ADJOURNMENT THEREOF)

I/We[(Note][1)] of

being the registered holder(s) of[(Note][2)] ordinary share(s) of HK$0.02 each in the capital of Link-Asia International MedTech Group Limited (the ‘‘Company’’) hereby appoint the Chairman of the extraordinary general meeting of the Company (the ‘‘EGM’’), or[(Note][3)] of as my/our proxy(ies) to attend and vote for me/us and on my/our behalf at the EGM to be held at Units 5906–5912, 59th Floor, The Center, 99 Queen’s Road Central, Hong Kong on 31 May 2022 (Tuesday) at 2:00 p.m. or at any adjournment thereof in respect of the resolutions as hereunder indicated 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 EGM and/or at any adjournment thereof:

ORDINARY RESOLUTIONS[(Note][4)] FOR[(Note][5)] Against[(Note][5)]

1. To approve, ratify and confirm the issue and allotment of the Consideration Shares (as defined in the circular of the Company dated 13 May 2022 (the ‘‘Circular’’)) pursuant to the Deed of Assignment (as defined in the Circular) and the transactions contemplated in relation thereto including the grant of the Specific Mandate (as defined in the Circular) for the allotment and issue of the Consideration Shares.

Dated this day of 2022 Signature(s)[(Note][6)] :

Notes:

1. Full name(s) and address(es) must be inserted in BLOCK CAPITALS.

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).

3. If any proxy other than the Chairman is preferred, please strike out ‘‘the Chairman of the extraordinary general meeting of the Company, or’’ and 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(S) WHO SIGN(S) IT.

4. The description of these resolutions is by way of summary only. The full text appears in the notice of EGM. 5. 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 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 EGM and/or at any adjournment thereof other than those referred to in the notice of EGM.

5. 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, attorney or other person 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.

6. Any member entitled to attend and vote at the EGM 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 proxy need not be a member of the Company.

7. 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, or a certifiedLimited, atcopyLevelof 54,suchHopewellpower orCentre,authority,183 shallQueenbe’s RoaddeliveredEast,toHongthe officeKong notof thelessHongthan forty-eightKong branch(48)sharehoursregistrarbefore theof thetimeCompany,appointedTricorfor holdingInvestorthe ServicesEGM 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 EGM 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.

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

9. Where there are joint holders of any share, any one of such joint holders may vote, 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 EGM 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.

10. The notice of EGM is set out in the Company’s circular dated 13 May 2022.

PERSONAL INFORMATION COLLECTION STATEMENT

Your supply of your and your proxy’s (or proxies’) name(s) and address(es) is on a voluntary basis for the purpose of processing your request for the appointment of a proxy (or proxies) and your voting instructions for the EGM of the Company (the ‘‘Purposes’’). We may transfer your and your proxy’s (or proxies’) name(s) and address(es) to our agent, contractor, or third party service provider who provides administrative, computer and other services to us 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. Your and your proxy’s (or proxies’) name(s) and address(es) will be retained for such period as may be necessary to fulfil the 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.