Austar Lifesciences Limited — Proxy Solicitation & Information Statement 2026

Apr 23, 2026

AUSTAR

货 量

Austar Lifesciences Limited

奥星生命科技有限公司

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 6118)

FORM OF PROXY FOR USE BY THE SHAREHOLDERS AT THE ANNUAL GENERAL MEETING TO BE HELD AT 10:00 A.M. ON FRIDAY, 22 MAY 2026 OR ANY ADJOURNMENT OR POSTPONEMENT THEREOF

I/We (note a)

of

being the registered holder(s) of __ (note b) shares of HK$0.01 each of Austar Lifesciences Limited (“Company”), HEREBY APPOINT THE CHAIRMAN OF THE MEETING or __ of _____ to act as my/our proxy (note c) at the annual general meeting (“Meeting”) of the Company to be held at 10:00 a.m. on Friday, 22 May 2026 at Conference Room, Room 2010, 20th Floor, No. 1018, Changning Road, Changning District, Shanghai, the People’s Republic of China and at any adjournment or postponement thereof to vote for me/us and in my/our name(s) in respect of such resolutions as hereunder indicated (note d), and, if no such indication is given, as my/our proxy thinks fit.

ORDINARY RESOLUTIONS		FOR	AGAINST
1	To receive and adopt the audited consolidated financial statements and the report of the directors of the Company (“Directors”, and each a “Director”) and the auditor’s report of the Company for the year ended 31 December 2025
2	(a) To re-elect Mr. Ho Kwok Keung, Mars as an executive Director
	(b) To re-elect Madam Zhou Ning as an executive Director
	(c) To re-elect Mr. Bian Ce as an executive Director
	(d) To re-elect Madam Ji Lingling as a non-executive Director
	(e) To authorise the board of Directors (“Board”) to fix the remuneration of the Directors
3	To re-appoint Moore CPA Limited as the auditor of the Company and to authorise the Board to fix its remuneration
4(A)	To grant a general mandate to the Directors to allot, issue and otherwise deal with the Company’s shares
4(B)	To grant a general mandate to the Directors to repurchase the Company’s shares
4(C)	To add the number of the Company’s shares repurchased by the Company to the mandate granted to the Directors under resolution numbered 4(A)
SPECIAL RESOLUTION
5	To approve the adoption of the second amended and restated articles of association of the Company in substitution for, and to the exclusion of, the existing articles of association of the Company.

Dated the __ day of __ 2026

Shareholder’s signature _____ (notes a, f, g, h and i)

Notes:

(a) Full name(s) and address(es) are to be inserted in BLOCK CAPITALS. The names of all joint registered holders should be stated.

(b) 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 in the capital of the Company registered in your name(s).

(c) A member entitled to attend and vote at the Meeting shall be entitled to appoint another person as his/her/its proxy to attend and vote instead of him/her/it. A member who is the holder of two or more shares may appoint more than one proxy to represent him/her/it and vote on his/her/its behalf at a general meeting of the Company or at a class meeting. A proxy need not be a member of the Company. 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 as proxy in the space provided.

(d) If the form returned is duly signed but without specific direction on the proposed resolution, the proxy will vote or abstain at his/her discretion in respect of such resolution. A proxy will also be entitled to vote at his/her discretion on any resolution properly put to the Meeting other than those set out in the notice convening the Meeting.

(e) 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/it were solely entitled thereto, but if more than one of such joint holders be present at the Meeting, the vote of the senior holder 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 in respect of the joint holding.

(f) The form of proxy must be signed 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.

(g) To be valid, this form of proxy together with a power of attorney or other authority (if any) under which it is signed, or a certified copy of that power or authority, must be deposited at the office of the Company’s branch share registrar and transfer office in Hong Kong, Tricor Investor Services Limited, at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong as soon as practicable but in any event by 10:00 a.m. on Wednesday, 20 May 2026 or not less than 48 hours before the time of any adjourned or postponed meeting.

(h) Any alteration made to this form should be initialled by the person who signed the form.

(i) Completion and return of this form will not preclude you from attending and voting in person at the Meeting or any adjourned or postponed Meeting if you so wish, and in such case, the form of proxy previously submitted will be deemed to be revoked.

(j) References to time and dates in this form are to Hong Kong time and dates.

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 Meeting (“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 (Chapter 486 of the Laws of Hong Kong) and any such request should be in writing by mail to the Company/Tricor Investor Services Limited at the above address.