NxStage Medical, Inc. 3,200,000 Shares Common Stock ($0.001 par value) Underwriting AgreementUnderwriting Agreement • November 23rd, 2010 • NxStage Medical, Inc. • Electromedical & electrotherapeutic apparatus • New York
NxStage Medical, Inc., a Delaware corporation (the “Company”), proposes to issue and sell to Canaccord Genuity Inc. (the “Underwriters”) pursuant to this Underwriting Agreement (this “Agreement”) an aggregate of 3,200,000 shares (the “Firm Shares”) of common stock, $0.001 par value (the “Common Stock”), of the Company. In addition, solely for the purpose of covering over-allotments, the Company proposes to grant to the Underwriters the option to purchase from the Company up to an additional 480,000 shares of Common Stock (the “Additional Shares”). The Firm Shares and the Additional Shares are hereinafter collectively referred to as the “Shares.” The Shares are described in the Prospectus which is referred to below.
