CARIBOU BIOSCIENCES, INC. (a Delaware corporation) 19,230,769 Shares of Common Stock UNDERWRITING AGREEMENTUnderwriting Agreement • July 17th, 2023 • Caribou Biosciences, Inc. • Biological products, (no disgnostic substances) • New York
Caribou Biosciences, Inc., a Delaware corporation (the “Company”), confirms its agreement with BofA Securities, Inc. (“BofA”), SVB Securities LLC (“Leerink Partners”), Evercore Group L.L.C. (“Evercore”) and each of the other underwriters named in Schedule A hereto (collectively, the “Underwriters,” which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom BofA, Leerink Partners and Evercore are acting as representatives (in such capacity, the “Representatives”), with respect to (i) the sale by the Company and the purchase by the Underwriters, acting severally and not jointly, of the respective numbers of shares of common stock, par value $0.0001 per share, of the Company (“Common Stock”) set forth opposite such Underwriters’ respective names in Schedule A hereto and (ii) the grant by the Company to the Underwriters, acting severally and not jointly, of the option described in Section 2(b) hereof to purchase all or any part of 19,2
