aTyr Pharma, Inc. [ ] Shares of Common Stock Underwriting AgreementaTYR PHARMA INC • May 1st, 2015 • Biological products, (no disgnostic substances) • New York
aTyr Pharma, 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 (the “Underwritten Shares”) of common stock, par value $0.001 per share, of the Company (the “Common Stock”) and, at the option of the Underwriters, up to an additional [ ] shares (the “Option Shares”) of Common Stock. The Underwritten Shares and the Option Shares are herein referred to as the “Shares.” The shares of Common Stock to be outstanding after giving effect to the sale of the Shares are referred to herein as the “Stock.”
