7,000,000 Shares Seattle Genetics, Inc. Common Stock UNDERWRITING AGREEMENTUnderwriting Agreement • February 5th, 2004 • Seattle Genetics Inc /Wa • Biological products, (no disgnostic substances) • New York
Seattle Genetics, Inc., a Delaware corporation (the “Company”) proposes, subject to the terms and conditions contained herein, to sell to you and the other underwriters named on Schedule I to this Agreement (the “Underwriters”), for whom you are acting as Representatives (the “Representatives”), an aggregate of 7,000,000 shares (the “Firm Shares”) of the Company’s common stock, $0.001 par value per share (the “Common Stock”). The respective amounts of the Firm Shares to be purchased by each of the several Underwriters are set forth opposite their names on Schedule I hereto. In addition, the Company proposes to grant to the Underwriters an option to purchase up to an additional 1,050,000 shares (the “Option Shares”) of Common Stock from the Company. The Firm Shares and the Option Shares are collectively called the “Shares.”
