22,222,223 SHARES SESEN BIO, INC. UNDERWRITING AGREEMENTUnderwriting Agreement • June 1st, 2018 • Sesen Bio, Inc. • Pharmaceutical preparations • New York
Introductory. Sesen Bio, Inc., a Delaware corporation (the “Company”), proposes to issue and sell to the several underwriters named in Schedule A (the “Underwriters”) an aggregate of 22,222,223 shares of its common stock, par value $0.001 per share (the “Shares”). The 22,222,223 Shares to be sold by the Company are called the “Firm Shares.” In addition, the Company has granted to the Underwriters an option to purchase up to an additional 3,333,333 Shares as provided in Section 2. The additional 3,333,333 Shares to be sold by the Company pursuant to such option are collectively called the “Optional Shares.” The Firm Shares and, if and to the extent such option is exercised, the Optional Shares are collectively called the “Offered Shares.” Jefferies LLC (“Jefferies”) and Canaccord Genuity LLC (“Canaccord”) have agreed to act as representatives of the several Underwriters (in such capacity, the “Representatives”) in connection with the offering and sale of the Offered Shares. To the exten
