CRISPR THERAPEUTICS AG 5,000,000 Common Shares (nominal value CHF 0.03 per share) Underwriting AgreementCRISPR Therapeutics AG • January 5th, 2018 • Biological products, (no disgnostic substances) • New York
CRISPR Therapeutics AG, a stock corporation (Aktiengesellschaft) incorporated under the laws of Switzerland (the “Issuer”), proposes to sell to the several underwriters named in Schedule II hereto (the “Underwriters”), for whom you (the “Representatives”) are acting as representatives, 5,000,000 common shares, nominal value CHF 0.03 per share (“Common Shares”), of the Issuer (said shares to be issued and sold by the Issuer being hereinafter called the “Underwritten Securities”). The Issuer also proposes to grant to the Underwriters an option to purchase up to 750,000 additional Common Shares (the “Option Securities;” the Option Securities, together with the Underwritten Securities, hereinafter called the “Securities”). To the extent there are no additional Underwriters listed on Schedule II other than you, the term Representatives as used herein shall mean you, as Underwriters, and the terms Representatives and Underwriters shall mean either the singular or plural as the context requir
