SinoMab BioScience Limited — Regulatory Filings 2021

Nov 23, 2021

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this notice, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this notice.

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SinoMab BioScience Limited 中國抗體製藥有限公司

(Incorporated in Hong Kong with limited liability)

(Stock code: 3681)

NOTICE OF EXTRAORDINARY GENERAL MEETING

Notice is hereby given that the extraordinary general meeting (the “ EGM ”) of SinoMab BioScience Limited (the “ Company ”) will be held at Theater R1, 10/F, United Centre, 95 Queensway, Admiralty, Hong Kong on Tuesday, 14 December 2021 at 10:00 a.m. for the following purposes:

ORDINARY RESOLUTIONS

1. “ THAT :

2. (a) the Supplemental Agreement and its execution thereof and implementation of the transactions contemplated thereunder be and are hereby approved, ratified and confirmed; and

3. (b) the directors of the Company or any other person authorised by the directors of the Company be and are hereby authorised to sign, execute, perfect and deliver all such documents and do all such deeds, acts, matters and things as they consider necessary, desirable or expedient to carry out or give effect to or otherwise in connection with the Supplemental Agreement and the transactions contemplated thereunder.”

4. “ THAT :

5. (a) the License Agreement and its execution thereof and implementation of the transactions contemplated thereunder be and are hereby approved, ratified and confirmed; and

6. (b) the directors of the Company or any other person authorised by the directors of the Company be and are hereby authorised to sign, execute, perfect and deliver all such documents and do all such deeds, acts, matters and things as they consider necessary, desirable or expedient to carry out or give effect to or otherwise in connection with the License Agreement and the transactions contemplated thereunder.”

By Order of the Board SionMab BioScience Limited Dr. Shui On LEUNG Executive Director, Chairman and Chief Executive Officer

Hong Kong, 24 November 2021

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Notes:

1. All resolutions at the meeting will be taken by poll (except where the chairman decides to allow a resolution relating to a procedural or administrative matter to be voted on by a show of hands) pursuant to the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “Listing Rules”). The results of the poll will be published on the websites of Hong Kong Exchanges and Clearing Limited and the Company in accordance with the Listing Rules.

2. Any shareholder of the Company entitled to attend and vote at the meeting is entitled to appoint a proxy or if he/she is the holder of two or more shares, more than one proxy to attend and on a poll, vote instead of him/her. A proxy need not be a shareholder of the Company. If more than one proxy is appointed, the number of shares in respect of which each such proxy so appointed must be specified in the relevant form of proxy. Every shareholder present in person or by proxy shall be entitled to one vote for each share held by him/her.

3. In order to be valid, the form of proxy and any authority, if any, under which it is signed, or a copy of such power or authority, must be deposited at the Company’s share registrar in Hong Kong, Computershare Hong Kong Investor Services Limited, at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong not less than 48 hours (excluding any part of a day that is a public holiday) before the time appointed for the meeting (i.e. not later than 10:00 a.m. on Saturday, 11 December 2021 (Hong Kong time)) or the adjourned meeting (as the case may be). Completion and return of the form of proxy shall not preclude a shareholder of the Company from attending and voting in person at the meeting or poll concerned and, in such event, the instrument appointing a proxy shall be deemed to be revoked.

4. For determining the entitlement to attend and vote at the EGM, the register of members of the Company will be closed from Thursday, 9 December 2021 to Tuesday, 14 December 2021, both dates inclusive, during which period no transfer of shares will be registered. In order to be eligible to attend and vote at the EGM, unregistered holders of shares of the Company shall ensure that all transfer documents accompanied by the relevant share certificates must be lodged with the Company’s share registrar in Hong Kong, Computershare Hong Kong Investor Services Limited, at Shops 1712-1716, 17th Floor, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong for registration not later than 4:30 p.m. on Wednesday, 8 December 2021.

5. If a tropical cyclone warning signal number 8 or above is hoisted, or “extreme conditions” caused by super typhoons or a black rainstorm warning is/are in force at or at any time after 6:00 a.m. on 14 December 2021, the EGM will not be held on 14 December 2021 but will be postponed to a later date and if postponed, the Company will as soon as practicable post an announcement on the websites of Hong Kong Exchanges and Clearing Limited and the Company. Shareholders may contact Customer Service Hotline of Computershare Hong Kong Investor Services Limited at (852) 2862 8555 from 9:00 a.m. to 5:00 p.m., Monday to Friday (excluding public holidays) for any enquiry regarding the aforesaid arrangement.

6. References to time and dates in this notice are to Hong Kong time and dates.

As at the date of this notice, the executive director of the Company is Dr. Shui On LEUNG, the non-executive directors of the Company are Dr. Haigang CHEN, Mr. Xun DONG, Mr. Senlin LIU, Ms. Wenyi LIU, Mr. Huiyuan MA and Mr. Jing QIANG, and the independent non-executive directors of the Company are Mr. George William Hunter CAUTHERLEY, Mr. Ping Cho Terence HON, Dr. Chi Ming LEE and Mr. Dylan Carlo TINKER.

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