TransThera Sciences (Nanjing), Inc. — Proxy Solicitation & Information Statement 2026

May 22, 2026

TransThera

药捷安康

TransThera Sciences (Nanjing), Inc.

薰捷安康（南京）科技股份有限公司

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

(Stock Code: 2617)

Number of shares to which this form of proxy relates(Note 1)	unlisted shares
	H shares

FORM OF PROXY FOR THE EXTRAORDINARY GENERAL MEETING

TO BE HELD ON 18 JUNE 2026 OR ANY ADJOURNMENT THEREOF

I/We $^{(Note 2)}$

of

being the registered holder(s) of unlisted share(s)/H share(s) in the issued share capital of TransThera Sciences (Nanjing), Inc. (the "Company")

hereby appoint the Chairman of the meeting $^{(Note 3)}$ or

of

of email address as my/our proxy to attend, act and vote for me/us and on my/our behalf as directed below at the extraordinary general meeting (the "EGM") of the Company to be held by way of a virtual meeting via the Vistra eVoting Portal on 18 June 2026 at 9:00 a.m. (and at any adjournment thereof).

Please tick $(^{\prime \prime}\checkmark)$ the appropriate boxes to indicate how you wish your vote(s) to be cast(Note 4).

SPECIAL RESOLUTION		FOR	AGAINST	ABSTAIN
1.	In relation to the H Share Award Scheme: 1.1 To consider and approve the H Share Award Scheme; 1.2 To consider and approve the Scheme Mandate Limit; and 1.3 To consider and approve the authorization to the Scheme Administrator to deal with matters related to the H Share Award Scheme.
ORDINARY RESOLUTION		FOR	AGAINST	ABSTAIN
2.	To consider and approve the Service Provider Sublimit.

Date: 2026

Signature(s) $^{(Note 5)}$ :

Notes:

1. Please insert the number of shares 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 of the Company registered in your name(s). If more than one proxy is appointed, the number of shares in respect of which each such proxy so appointed must be specified.
2. Full name(s) and address(es) to be inserted in BLOCK CAPITALS. The names of all joint registered shareholders should be stated.
3. If any proxy other than the Chairman of the meeting is preferred, please strike out the words "the Chairman of the meeting" and insert the name and address of the proxy desired in the space provided. Any shareholder of the Company entitled to attend and vote at the EGM is entitled to appoint a proxy to attend and on a poll, vote instead of him. A proxy need not be a shareholder of the Company. Every shareholder present in person or online through Vistra eVoting Portal or by proxy shall be entitled to one vote for each share held by him.
4. IMPORTANT: IF YOU WISH TO VOTE FOR A RESOLUTION, PLEASE TICK $(\checkmark)$ THE BOX MARKED "FOR". IF YOU WISH TO VOTE AGAINST A RESOLUTION, PLEASE TICK $(\checkmark)$ THE BOX MARKED "AGAINST". If no direction is given, your proxy will vote or abstain at his discretion. Your proxy will also be entitled to vote at his discretion on any resolution properly put to the EGM other than those referred to in the notice convening the EGM.
5. The instrument appointing a proxy must be signed by you or your attorney duly authorized in writing. In case of a corporation, the same must be either under its common seal or under the hand of an officer or attorney so authorized. ANY ALTERATION MADE TO THIS FORM OF PROXY MUST BE INITIALLED BY THE PERSON WHO SIGNS IT.
6. In case of joint holders, only one pair of login username and password will be provided to the joint holders. Any one of such joint holders may attend or vote in respect of such share(s) as if he/she/it was solely entitled thereto.
7. 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 notarized 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 (for holders of H shares) or the Company's head office in the PRC at 3rd Floor, 9th Building, Accelerator Phase 2 of Biotech and Pharmaceutical Valley, Jiangbei New Area, Nanjing, Jiangsu Province (for holders of unlisted shares) not less than 24 hours before the time appointed for the meeting or any adjournment thereof (i.e. not later than 9:00 a.m. on 17 June 2026 (Hong Kong time)). If you attend and vote at the EGM, the authority of your proxy will be revoked.
8. Completion and delivery of the form of proxy will not preclude you from attending and voting at the EGM in person via the e-Meeting System if you so wish.
9. Shareholders are requested to provide a valid email address of his or her proxy (except for the appointment of "The Chairman of the Meeting" as proxy) for the proxy to receive the username and password to cast their votes and submit online questions via the e-Meeting System.

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 Tricor Investor Services Limited at the above address.