Shanghai Haohai Biological Technology : NOTICE OF 2021 FIRST H SHAREHOLDERS' CLASS MEETING

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Shanghai Haohai Biological Technology Co., Ltd.*

上 海昊海生物科技股份有限公司

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

(Stock Code: 6826)

NOTICE OF 2021 FIRST H SHAREHOLDERS' CLASS MEETING

NOTICE IS HEREBY GIVEN that the 2021 first H shareholders' class meeting (the "H Shareholders' Class Meeting") of Shanghai Haohai Biological Technology Co., Ltd.* (the "Company") will be held on Friday, June 11, 2021 immediately after the conclusion or adjournment of 2020 annual general meeting (the "AGM") and 2021 first A shareholders' class meeting of the Company to be held on the same date at 24/F, WenGuang Plaza, No. 1386 Hongqiao Road, Changning District, Shanghai, the PRC to consider and, if thought fit, pass the following resolution. Unless the context requires otherwise, capitalized terms used herein shall have the same meaning as defined in the circular of the Company dated May 11, 2021.

Special Resolution

1. To consider and approve the proposal on granting the following general mandate to the Board to repurchase the H Shares:

"That:

1. the Board be and is hereby granted a general mandate to repurchase H Shares not exceeding 10% of the total number of the H Shares in issue as at the time when this resolution is passed at the AGM and the relevant resolution is passed at the respective class meetings of the shareholders in accordance with all applicable laws, regulations, rules and/or requirements of the PRC, the Hong Kong Stock Exchange or any other governmental or regulatory authorities and by reference to market conditions and in accordance with needs of the Company during the Relevant Period (as defined below); and
2. the Board be and is hereby authorised to deal with, in its sole discretion, all matters in relation to the repurchase of H Shares, including but not limited to:
3. 1. formulate and implement detailed repurchase plan, including but not limited to repurchase price, number of shares to be repurchased, timing of repurchase and period of repurchase, etc.;

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1. notify creditors and issue announcement in accordance with the Company Law and the Articles of Association;
2. open overseas share accounts and carry out related change of foreign exchange registration procedures;
3. carry out relevant approval or filing procedures required by regulatory authorities and the place in which the Company is listed (if necessary);
4. carry out cancellation procedures for repurchased shares, reduce registered capital, and make corresponding amendments to the Articles of Association in respect of total share capital and shareholding structure, etc., and carry out the statutory registrations and filling procedures within and outside the PRC; and
5. execute other documents, and deal with other matters, in connection with the share repurchase.

The above general mandate will expire on the earlier of:

1. the conclusion of the 2021 annual general meeting of the Company; or
2. the date on which the authority conferred by this special resolution is revoked or varied by a special resolution of the shareholders at a general meeting, or a special resolution of holders of the A Shares or holders of the H Shares at their respective class meeting, (the "Relevant Period") except where the Board has resolved to repurchase H Shares during the Relevant Period and such share repurchase plan may have to be continued or implemented after the Relevant Period."

By order of the Board

Shanghai Haohai Biological Technology Co., Ltd.*

Hou Yongtai

Chairman

Shanghai, the PRC

May 11, 2021

As at the date of this notice, the executive directors of the Company are Dr. Hou Yongtai, Mr. Wu Jianying, Ms. Chen Yiyi and Mr. Tang Minjie; the non-executive directors of the Company are Ms. You Jie and Mr. Huang Ming; and the independent non-executive directors of the Company are Ms. Li Yingqi, Mr. Jiang Zhihong, Mr. Su Zhi, Mr. Yang Yushe and Mr. Zhao Lei.

• For identification purpose only

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Notes:

1. Eligibility for attending and voting at the H Shareholders' Class Meeting and date of registration of holders for H Shares

In order to determine the holders of H Shares (the "H Shareholders") who are entitled to attend the H Shareholders' Class Meeting, the register of members of H Shares will be closed from Monday, June 7, 2021 to Friday, June 11, 2021 (both days inclusive), during which time no transfer of H Shares will be registered. For qualifying to attend and vote at the H Shareholders' Class Meeting, the H Shareholders whose transfers have not been registered must lodge all transfer instruments accompanied by the relevant share certificates with the Company's H hare registrar, Computershare Hong Kong Investor Services Limited at Shops 1712-1716, 17th Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong for H Shareholders for registration at or before 4:30 p.m. on Friday, June 4, 2021. H Shareholders whose names appear on the register of members of H Shares after 4:30 p.m. on Friday, June 4, 2021 will be entitled to attend and vote at the H Shareholders' Class Meeting or any adjournment thereof.

1. Proxy
2. 1. Each H Shareholder entitled to attend and vote at the H Shareholders' Class Meeting may appoint one or more proxies in writing to attend and vote at the H Shareholders' Class Meeting on his behalf. A proxy need not be a H Shareholder.
   2. The instrument appointing a proxy must be in writing under the hand of the appointor or his attorney duly authorised in writing, or if the appointor is a legal entity, either under seal or signed by a director or a duly authorised attorney. If that instrument is signed by an attorney of the appointor, the power of attorney authorising that attorney to sign or other document of authorisation must be notarised.
   3. To be valid, for H Shareholders, the form of proxy and notarised power of attorney or other document of authorisation (if any) must be delivered to the Company's H Share registrar, Computershare Hong Kong Investor Services Limited at 17M Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong not less than 24 hours before the time appointed for the H Shareholders' Class Meeting or any adjournment thereof (as the case may be), i.e. not later than 1:00 p.m. on Thursday, June 10, 2021. Completion and return of the form of proxy will not preclude H Shareholders from attending and vote at the H Shareholders' Class Meeting should they wish to do so.
3. Registration procedures for attending the H Shareholders' Class Meeting

A H Shareholder or his proxy should present proof of identity when attending the H Shareholders' Class Meeting. If a H Shareholder is a legal person, its legal representative or other person authorised by the Board or other governing body of such H Shareholder may attend the H Shareholders' Class Meeting by providing a copy of the resolution of the Board or other governing body of such H Shareholder appointing such person to attend the meeting.

1. Voting method at the H Shareholders' Class Meeting
   All voting at the H Shareholders' Class Meeting will be conducted by poll.
2. Miscellaneous
3. 1. The H Shareholders' Class Meeting is expected to take no more than half a day. H Shareholders who attend the H Shareholders' Class Meeting shall bear their own travelling and accommodation expenses.
   2. The address and contact details of the Company's H Share registrar, Computershare Hong Kong Investor Services Limited are:
      17M Floor, Hopewell Centre
      183 Queen's Road East Wanchai, Hong Kong Telephone: (852) 2862 8555
      Facsimile: (852) 2865 0990/(852) 2529 6087
   3. The address and contact details of the head office of the Company are:
      23/F, WenGuang Plaza,
      No. 1386 Hongqiao Road, Changning District, Shanghai, the PRC
      Telephone: (86) 021-52293555
      Facsimile: (86) 021-52293558

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