ZAFGEN, INC. [•] Shares of Common Stock, par value $0.001 per share Underwriting AgreementZafgen, Inc. • June 5th, 2014 • Pharmaceutical preparations • New York
Zafgen, Inc., a Delaware corporation (the “Company”), proposes to issue and sell to the several Underwriters listed in Schedule 1 hereto (the “Underwriters”), for whom you are acting as representatives (the “Representatives”), an aggregate of [•] shares of Common Stock , par value $0.001 per share (the “Common Stock”), of the Company (the “Underwritten Shares”) and, at the option of the Underwriters, up to an additional [•] shares of Common Stock, par value $0.001 per share, of the Company (the “Option Shares”). The Underwritten Shares and the Option Shares are herein referred to as the “Shares”. The shares of Common Stock, par value $0.001 per share, of the Company to be outstanding after giving effect to the sale of the Shares are referred to herein as the “Stock.”
