•] Shares of Common Stock (or Pre-Funded Warrants to Purchase Shares of Common Stock in Lieu Thereof) Warrants to Purchase [•] Shares of Common Stock SYNLOGIC, INC. UNDERWRITING AGREEMENTUnderwriting Agreement • September 27th, 2023 • Synlogic, Inc. • Pharmaceutical preparations • New York
Synlogic, Inc., a Delaware corporation (the “Company”), proposes, subject to the terms and conditions stated herein, to issue and sell to Chardan Capital Markets, LLC, as underwriter (“Chardan” or the “Underwriter”) (i) an aggregate of [•] authorized but unissued shares (the “Shares”) of common stock, par value $0.001 per share, of the Company (the “Common Stock”) or pre-funded warrants (the “Pre-Funded Warrants”) to purchase shares of Common Stock in lieu thereof at an exercise price of $0.001 per share (the “Pre-Funded Warrant Shares”), and (ii) warrants (the “Warrants”) to purchase up to an aggregate of [•] shares of Common Stock (the “Warrant Shares”). The Shares, the Pre-Funded Warrants, the Pre-Funded Warrant Shares, the Warrants and the Warrant Shares are collectively referred to as the “Securities”. The offering of the Securities pursuant hereto is referred to as the “Offering”.
