2,807,017 Shares Repligen Corporation UNDERWRITING AGREEMENTRepligen Corp • June 29th, 2017 • Biological products, (no disgnostic substances) • New York
Repligen Corporation, a Delaware corporation (the “Company”), proposes to issue and sell to the several underwriters named in Schedule A hereto (the “Underwriters”) an aggregate of 2,807,017 shares of its common stock, par value $0.01 per share (the “Common Stock”). The 2,807,017 shares of Common Stock 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 421,052 shares of Common Stock as provided in Section 2. The additional 421,052 shares of Common Stock 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.” J.P. Morgan Securities LLC (“J.P. Morgan”) and Stephens Inc. have agreed to act as representatives of the several Underwriters (in such capacity, the “Representatives”) in connection with the offering and sa
