2seventy bio, Inc. Common Stock Underwriting AgreementUnderwriting Agreement • March 1st, 2023 • 2seventy Bio, Inc. • Pharmaceutical preparations
2seventy bio, Inc., a Delaware corporation (the “Company”), proposes, subject to the terms and conditions stated in this agreement (this “Agreement”), to issue and sell to the Underwriters named in Schedule I hereto (the “Underwriters”) an aggregate of 10,869,566 shares (the “Firm Shares”) and, at the election of the Underwriters, up to additional 1,630,434 shares (the “Optional Shares”) of common stock, $0.0001 par value per share (“Stock”), of the Company (the Firm Shares and the Optional Shares that the Underwriters elect to purchase pursuant to Section 2 hereof being collectively called the “Shares”).
