Underwriting AgreementUnderwriting Agreement • May 18th, 2010 • CBOE Holdings, Inc. • Security & commodity brokers, dealers, exchanges & services • New York
Contract Type FiledMay 18th, 2010 Company Industry JurisdictionCBOE Holdings, Inc., a Delaware corporation (the “Company”), proposes, subject to the terms and conditions stated herein, to issue and sell to the Underwriters named in Schedule I hereto (the “Underwriters”) an aggregate of [ ] shares and, at the election of the Underwriters, up to [ ] additional shares of unrestricted common stock, par value $0.01 per share (“Stock”) of the Company and the stockholders of the Company named in Schedule II hereto (the “Selling Stockholders”) propose, subject to the terms and conditions stated herein, to sell to the Underwriters an aggregate of [ ] shares. The aggregate of [ ] shares to be sold by the Company and the Selling Stockholders is herein called the “Firm Shares” and the aggregate of [ ] additional shares to be sold by the Company is herein called the “Optional Shares”. The Firm Shares and the Optional Shares that the Underwriters elect to purchase pursuant to Section 2 hereof are herein collectively called the “Shares”).