3SBio Inc. — Director's Dealing 2021

Aug 31, 2021

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(Incorporated in the Cayman Islands with limited liability) (Stock code: 1530)

VOLUNTARY ANNOUNCEMENT PURCHASE OF SHARES OF THE COMPANY BY MANAGEMENT

This announcement is made by 3SBio Inc. (the “ Company ” together with its subsidiaries, the “ Group ”) on a voluntary basis.

The board of directors (the “ Board ”) of the Company has been informed by a list of management team members of the Group that they have purchased a total of 3,683,700 ordinary shares of the Company (the “ Shares ”) on open market, representing approximately 0.15% of the total issued share capital of the Company as at the date of this announcement. The purchase of the said Shares shows the management's recognition of the Shares that are currently undervalued and their confidence in the development and prospects of the Group.

By order of the Board 3SBio Inc. Dr. LOU Jing Chairman

Shenyang, the PRC 31 August, 2021

As at the date of this announcement, the Board comprises Dr. LOU Jing and Ms. SU Dongmei as executive Directors; Mr. HUANG Bin and Mr. TANG Ke as non-executive Directors; and Mr. PU Tianruo, Dr. WONG Lap Yan and Ms. YANG, Hoi Ti Heidi as independent non-executive Directors.