4,848,485 Shares1 XBiotech Inc. Common Stock PURCHASE AGREEMENTPurchase Agreement • June 3rd, 2019 • XBiotech Inc. • Pharmaceutical preparations • New York
XBiotech Inc., a company incorporated under the laws of the Province of British Columbia (the “Company”), proposes to sell to Piper Jaffray & Co. (the “Underwriter”) an aggregate of 4,848,485 shares (the “Firm Shares”) of the common shares, no par value per share (the “Common Stock”), of the Company. The Firm Shares consist of 4,848,485 authorized but unissued shares of Common Stock to be issued and sold by the Company. The Company has also granted to the Underwriter an option to purchase up to 351,515 additional shares of Common Stock, on the terms and for the purposes set forth in Section 3 hereof (the “Option Shares”). The Firm Shares and any Option Shares purchased pursuant to this Purchase Agreement are herein collectively called the “Securities.”
