GOSSAMER BIO, INC. (a Delaware corporation) [●] Shares of Common Stock UNDERWRITING AGREEMENTUnderwriting Agreement • January 23rd, 2019 • Gossamer Bio, Inc. • Pharmaceutical preparations • New York
Gossamer Bio, Inc., a Delaware corporation (the “Company”), confirms its agreement with Merrill Lynch, Pierce, Fenner & Smith Incorporated (“Merrill Lynch”), SVB Leerink LLC (“Leerink”), Barclays Capital Inc. (“Barclays”), 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 Merrill Lynch, Leerink, Barclays 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 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
