AIM Vaccine Co., Ltd. — Proxy Solicitation & Information Statement 2023

Nov 9, 2023

AIM Vaccine Co., Ltd. 艾美疫苗股份有限公司

(a joint stock company incorporated in the People’s Republic of China with limited liability)

(Stock Code: 06660)

FORM OF PROXY OF HOLDERS OF H SHARES FOR USE AT THE 2023 THIRD H SHARE CLASS MEETING TO BE HELD ON NOVEMBER 28, 2023

I/We [(Note][1)]

of being the holder(s) of overseas listed foreign share(s) (“ H Share(s) ”) [(Note][2)] of AIM Vaccine Co., Ltd. (the “ Company ”), hereby appoint the chairman of the meeting or of

as my/our proxy to attend the 2023 third H share class meeting (the “ H Share Class Meeting ”) of the Company to be held at Meeting Room, 43/F, Building 1, Lujiazui Century Financial Plaza, No. 729 Yanggao South Road, Pudong New District, Shanghai, the People’s Republic of China on November 28, 2023 immediately after the conclusion or adjournment of the 2023 second extraordinary general meeting and the 2023 third class meeting for holders of domestic shares of the Company and to votedefinedfor inme/usthe circularas indicatedof thebelow.CompanyUnlessdatedotherwiseNovemberstated,10,capitalized2023 (the terms“ Circular used”).herein shall have the same meanings as that

Please tick or insert the number of H Shares in the appropriate boxes to indicate how you wish your vote(s) to be cast on a (Note 3) poll .

	poll (Note 3).	poll (Note 3).	poll (Note 3).
	SPECIAL RESOLUTIONS For
	1. To consider and approve the resolution to change the existing registered office of the Company in the PRC to Room 412, 4/F, Building 6, No. 105 Jinghai 3rd Road, Beijing Economic- Technological Development Area, Beijing, and the relevant proposed amendments to the Articles of Association, and to authorize the directors of the Company to deal with on behalf of the Company the relevant applications(s), approval(s), registration(s), filing(s) and other relevant procedures or issues and to make further amendment(s) (where necessary) pursuant to the requirements of the relevant governmental and/or regulatory authorities arising therefrom.
	2. To consider and approve the resolution on the proposed amendments to the Articles of Association set out in Appendix II to the Circular.
	Signed this	day of	2023 Signature(s)(Note 4):

Notes:

1. Full name(s) and address(es) (as shown in the register of members of H Shares) to be inserted in BLOCK CAPITALS .

2. Please insert the number of H Shares registered in your name(s). If no number is inserted, this form of proxy will be deemed to relate to all the H Shares registered in your name(s).

3. IMPORTANT: If you wish to vote for any resolution, tick in the box marked “For”. If you wish to vote against any resolution, tick in the box marked “Against”. If you wish to abstain from voting on any resolution, tick in the box marked “Abstain”. Any abstain vote at the H Share Class Meeting shall be disregarded as voting rights for the purpose of calculating the result of that resolution, but will be counted in the total number of voting shares. If you wish to vote only part of the H Shares in respect of which the proxy is so appointed, please state the exact number of H Shares in lieu of a tick in the relevant box. A tick in the relevant box indicates that the votes attached to all the H Shares to which this form relates will be cast accordingly. Unless you have indicated otherwise in this form, your proxy will also be entitled to vote at his discretion on any resolution properly put to the H Share Class Meeting other than those referred to in the notice convening the H Share Class Meeting.

4. This proxy form must be signed by you or your attorney duly authorized in writing or, in the case of a corporation, must either be executed under its common seal or under the hand of an officer or attorney duly authorized. Any alteration made to this form of proxy must be initialed by the person(s) who sign(s) it.

5. In case of joint holders, the vote of the joint holder whose name stands first in the register of members of H Shares and who tenders a vote, whether in person or by proxy, will be accepted to the exclusion of the votes of other joint holder(s), and for this purpose seniority shall be determined by the order in which the names stand in the register of members of H Shares in respect of such joint holding.

6. In order 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 certified copy thereof, must be deposited at the Company’s H Share Registrar, Tricor Investor Services Limited, at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong at least 24 hours before the meetings (for the H Share Class Meeting, no later than 9:30 a.m. on November 27, 2023).

7. Completion and delivery of this form of proxy will not preclude you from attending and voting at the H Share Class Meeting if you so wish. 8. All references to date and time herein refer to Hong Kong date and time.

8. The description of the resolutions is by way of summary only. The full text appears in the notice convening the H Share Class Meeting, which is set out in the Circular.

PERSONAL INFORMATION COLLECTION STATEMENT

the appointmentYour supplyof a ofproxyyour(orandproxies)your proxy’sand your(orvotingproxies’)instructionsname(s)forandtheaddress(es)H Share Classis onMeetinga voluntaryof thebasisCompanyfor the(thepurpose“ Purposes of processing”). We mayyourtransferrequestyourfor 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 authorized 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 Tricor Investor Services Limited at the above address.