Sinopharm Group Co. Ltd. — Proxy Solicitation & Information Statement 2026

May 28, 2026

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.

國藥控股股份有限公司

SINOPHARM GROUP CO. LTD.*

(A joint stock limited company incorporated in the People's Republic of China with limited liability and carrying on business in Hong Kong as 國控股份有限公司)

(Stock Code: 01099)

NOTICE OF DOMESTIC SHAREHOLDERS' CLASS MEETING

NOTICE IS HEREBY GIVEN that the domestic shareholders' class meeting (the "Domestic Shareholders' Class Meeting") of Sinopharm Group Co. Ltd. (the "Company") will be held at 10:15 a.m. on Thursday, 18 June 2026 at Meeting Room 1401, Sinopharm Group Building, No. 385, East Longhua Road, Huangpu District, Shanghai, the People's Republic of China (the "PRC"), for the purpose of considering, and if thought fit, passing the following resolution:

SPECIAL RESOLUTION

1. To consider and approve the granting of a general mandate to the Board to repurchase H Shares, during the Relevant Period (as defined in paragraph (c) below):

"THAT:

(a) in accordance with all applicable laws and regulations promulgated by the Chinese government or securities regulatory authorities and the Hong Kong Stock Exchange and on such terms as it shall think fit, repurchase the H Shares not exceeding 10% of the total number of the H Shares in issue (excluding any treasury shares) as at the date when this resolution is passed;

(b) the Board be authorized to (including but not limited to the following):

(i) determine detailed repurchase plan, including but not limited to repurchase price, number of shares to repurchase, timing of repurchase and period of repurchase, etc.;

• The Company is registered as a non-Hong Kong company under the Hong Kong Companies Ordinance under its Chinese name and the English name “Sinopharm Group Co. Ltd.”.

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(ii) open overseas share accounts and carry out the foreign exchange approval and the registration procedures for the changes in foreign exchange in relation to transmission of repurchase fund overseas;

(iii) decide to cancel the repurchased H Shares or hold such H Shares by way of treasury shares based on the market condition and the capital management needs of the Group at the relevant time of the repurchase;

(iv) carry out cancellation procedures for repurchased shares to reduce registered capital of the Company and make corresponding amendments to the Articles of Association as it thinks fit and necessary in order to reflect the reduction of the registered capital of the Company pursuant to the provisions of the Articles of Association if it decides to cancel such repurchased H Shares; and

(v) carry out any other necessary actions and deal with any necessary matters in order to repurchase relevant shares in accordance with paragraph (a) of this special resolution.

(c) For the purposes of this special resolution, “Relevant Period” means the period from the passing of this special resolution until the earliest of:

(i) the conclusion of the next annual general meeting of the Company following the passing of this resolution; or

(ii) the date on which the authority granted to the Board set out in this resolution is revoked or amended by a special resolution of the Shareholders at a general meeting or a special resolution of the class Shareholders at the respective class meeting.”

By Order of the Board
Sinopharm Group Co. Ltd.
Jin Bin
Chairman

Shanghai, the PRC
28 May 2026

As at the date of this notice, the executive Directors are Mr. Lian Wanyong and Mr. Yang Binghua; the non-executive Directors are Mr. Jin Bin, Mr. Chen Qiyu, Mr. Zu Jing, Mr. Xing Yonggang, Mr. Ma Yue, Mr. Chen Yuqing, Mr. Wen Deyong and Ms. Li Ying; and the independent non-executive Directors are Mr. Li Peiyu, Mr. Wu Tak Lung, Mr. Yu Weifeng, Mr. Shi Shenghao and Mr. Chen Weiru.

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Notes:

1. The register of members of the Company will be closed from Monday, 15 June 2026 to Thursday, 18 June 2026 (both days inclusive), during which period no transfer of Shares of the Company can be registered.

In order to be qualified to attend and vote at the Domestic Shareholders' Class Meeting, for holders of Domestic Shares of the Company, all transfer documents accompanied by the relevant share certificates must be lodged with the office of the Company in the PRC at Room 1413, Sinopharm Group Building, No. 385, East Longhua Road, Huangpu District, Shanghai, the PRC, no later than 4:30 p.m. on Friday, 12 June 2026.

The Domestic Shareholders whose names appear on the register of members of the Company on Monday, 15 June 2026 are entitled to attend and vote at the Domestic Shareholders' Class Meeting.

1. Shareholders who are entitled to attend and vote at the Domestic Shareholders' Class Meeting may appoint one or more proxies to attend and vote on their behalves. A proxy need not be a member of the Company.

2. The instrument appointing a proxy must be in writing under the hand of a Shareholder or his attorney duly authorised in writing. If the Shareholder is a legal person, that instrument must be executed either under its seal or under the hand of its director or other attorney duly authorised to sign the same.

3. In order to be valid, the form of proxy must be deposited to the office of the Company in the PRC not less than 24 hours before the time appointed for holding the Domestic Shareholders' Class Meeting or any adjourned thereof. If the form of proxy is signed by a person under a power of attorney or other authority, a notarially certified copy of that power of attorney or other authority shall be deposited at the same time as mentioned in the form of proxy. Completion and return of the form of proxy will not preclude Shareholders from attending and voting in person at the Domestic Shareholders' Class Meeting or any adjourned meetings should you so wish.

4. Individual Domestic Shareholders shall produce their identity documents and supporting documents in respect of the Shares of the Company held when attending the Domestic Shareholders' Class Meeting. If corporate Domestic Shareholders appoint authorised representative to attend the Domestic Shareholders' Class Meeting, the authorised representative shall produce his/her identity documents and a notarially certified copy of the relevant authorisation instrument signed by the board of directors or other authorised parties of the corporate Shareholders or other notarially certified documents allowed by the Company. Proxies shall produce their identity documents and the form of proxies signed by the Shareholders or their attorneys when attending the Domestic Shareholders' Class Meeting.

5. The Domestic Shareholders' Class Meeting is expected to take for less than half a day. Shareholders attending the Domestic Shareholders' Class Meeting shall be responsible for their own travel and accommodation expenses.

6. Contact details of the office of the Company in the PRC are as follows:

Address: Room 1413, Sinopharm Group Building, No. 385, East Longhua Road, Huangpu District, Shanghai, 200023, the PRC

Telephone No.: (86 21) 2305 2147

Fax No.: (86 21) 2305 2146