ULTRAGENYX PHARMACEUTICAL INC. 4,385,965 Shares of Common Stock Underwriting AgreementUnderwriting Agreement • January 26th, 2018 • Ultragenyx Pharmaceutical Inc. • Pharmaceutical preparations • New York
Ultragenyx Pharmaceutical Inc., a Delaware corporation (the “Company”), proposes to issue and sell to the several Underwriters listed in Schedule 1 hereto (the “Underwriters”) an aggregate of 4,385,965 shares (the “Underwritten Shares”) of common stock, par value $0.001 per share, of the Company (the “Common Stock”). In addition, the Company proposes to issue and sell, at the option of the Underwriters, up to an additional 657,895 shares of Common Stock of the Company (the “Option Shares”). The Underwritten Shares and the Option Shares are herein referred to as the “Shares.”
