Zai Lab Limited 9,792,350 Shares (US$0.00006 par value per Share) INTERNATIONAL UNDERWRITING AGREEMENTInternational Underwriting Agreement • September 21st, 2020 • Zai Lab LTD • Pharmaceutical preparations • New York
Zai Lab Limited, an exempted company incorporated in the Cayman Islands with limited liability (the “Company”), proposes to issue and sell to the several International Underwriters set forth in Schedule I-B hereto (the “International Underwriters”) or to the purchasers procured by the International Underwriters ordinary shares of US$0.00006 par value per share to be listed on The Stock Exchange of Hong Kong Limited (the “SEHK”) and traded in Hong Kong dollars (the “Shares”). The Company proposes to initially issue and sell to the International Underwriters or to the purchasers procured by the International Underwriters an aggregate of 9,792,350 Shares (the “Firm Shares”). In addition, the Company proposes to grant to the International Underwriters the option to purchase from the Company up to 1,584,600 additional Shares (the “Option Shares”). The Firm Shares and the Option Shares are herein referred to collectively as the “International Offer Shares.” The offering and sale of the Inter
