Uni-Bio Science Group Limited — Proxy Solicitation & Information Statement 2026

Apr 22, 2026

聯康集團

Uni-Bio Science

UNI-BIO SCIENCE GROUP LIMITED

聯康生物科技集團有限公司*

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 0690)

FORM OF PROXY

Form of proxy for use by shareholders at the annual general meeting (“Meeting”) of Uni-Bio Science Group Limited to be held at Unit 502, 5/F, No. 20 Science Park East Avenue, Hong Kong Science Park, Shatin, New Territories, Hong Kong at 10:30 a.m. on Tuesday, 26 May 2026 or any adjournment thereof.

I/We $^{(note a)}$

of

being the registered holder(s) of

$^{(note b)}$ shares in UNI-BIO SCIENCE GROUP LIMITED

(聯康生物科技集團有限公司*) (“Company”), hereby appoint the chairman of the Meeting or

of

to act as my/our proxy $^{(note c)}$ at the Meeting to be held at Unit 502, 5/F, No. 20 Science Park East Avenue, Hong Kong Science Park, Shatin, New Territories, Hong Kong at 10:30 a.m. on Tuesday, 26 May 2026 and at any adjournment thereof and to vote on my/our behalf as directed below. Please make a mark in the appropriate boxes to indicate how you wish your vote(s) to be cast on a poll $^{(note d)}$

	ORDINARY RESOLUTIONS#	FOR	AGAINST
1.	To receive and adopt the audited consolidated financial statements and the reports of the directors and the auditors of the Company for the year ended 31 December 2025.
2.	(i) To re-elect, each as a separate resolution, the following directors of the Company:
	(a) Mr. Chen Dawei;
	(b) Mr. Zhao Zhi Gang; and
	(c) Mr. Yau Kwok Wing Tony
	(ii) To authorise the board of directors of the Company (“Directors”) to fix the Directors’ remuneration.
3.	To re-appoint BDO Limited as the Company’s auditors and authorise the Directors to fix its remuneration.
4.	To grant the General Mandate to the Directors to allot, issue and otherwise deal with the Company’s shares in the manner as set out in resolution no. 4.
5.	To grant the Repurchase Mandate (as defined in the Circular) to the Directors to repurchase the Company’s shares in the manner as set out in resolution no. 5.
6.	To extend the general mandate granted to the Directors to issue, allot and deal with the Company’s shares repurchased by the Company in the manner as set out in resolution no. 6.
	SPECIAL RESOLUTIONS#	FOR	AGAINST
7.	To approve the adoption of the second amended and restated articles of association of the Company and to authorise any one Director or company secretary of the Company to do all things necessary to implement the adoption of the second amended and restated articles of association of the Company.
8.	To declare and approve payment of a final dividend of HK0.313 cents per Share out of the share premium account of the Company.

The full text of the resolutions is set out in the notice of the Meeting.

Date:

Shareholder's signature x

$^{(notes e, f, g, h and i)}$

Notes:

a Full name(s) and address 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) to which this form of proxy relates. 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 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 proxy in the space provided.
d If you wish to vote for any of the resolutions set out above, please tick (“φ”) the boxes marked “For”. If you wish to vote against any resolutions, please tick (“φ”) the boxes marked “Against”. If the form returned is duly signed but without specific direction on any of the proposed resolutions, the proxy will vote or abstain at his/her discretion in respect of all resolutions; or if in respect of a particular proposed resolution there is no specific direction, the proxy will, in relation to that particular proposed resolution, vote or abstain at his/her discretion. 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 In the case of a joint holding, this form of proxy may be signed by any joint holder, but if more than one joint holder is present at the Meeting, whether in person or by proxy, that one of the joint holders whose name stands first on the register of members in respect of the relevant joint holding shall alone be entitled to vote in respect thereof.
f The form of proxy must be signed by a shareholder, or his attorney duly authorised in writing, or if the shareholder is a corporation, either under its common seal or under the hand of an officer or attorney so authorised.
g To be valid, this form of proxy together with any power of attorney or other authority (if any) under which it is signed or a certified copy of such power or authority must be deposited at the offices of the Company’s Hong Kong branch share registrar and transfer office, Tricor Investor Services Limited, at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong by 10:30 a.m. Friday, 22 May 2026 or not later than 48 hours before the time of the Meeting or any adjourned meeting.
h Any alteration made to this form should be initialled by the person who signs the form.
i 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 if you so wish. In such event, this form of proxy will be deemed to be revoked.
j The resolutions set out above will be put to vote at the Meeting by way of poll.

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 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. You/your proxy (or proxies) has/have the right to request access to and/or correction of the relevant personal data 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.

• For identification purpose only