7,407,408 Shares SIENTRA, INC. Common Stock UNDERWRITING AGREEMENTUnderwriting Agreement • May 4th, 2018 • Sientra, Inc. • Orthopedic, prosthetic & surgical appliances & supplies • New York
Sientra, Inc., a Delaware corporation (the “Company”), proposes to issue and sell to the several underwriters named in Schedule I hereto (the “Underwriters”) for whom you are acting as representatives (the “Representatives”) an aggregate of 7,407,408 shares (the “Firm Shares”) of the common stock, par value $0.01 per share, of the Company (“Common Stock”). The Company also proposes to sell to the several Underwriters, for the sole purpose of covering over-allotments in connection with the sale of the Firm Shares, at the option of the Underwriters, up to an additional 1,111,111 shares of Common Stock (the “Option Shares”). The Firm Shares and the Option Shares are hereinafter referred to collectively as the “Shares”.
