Form of Underwriting Agreement IHS Inc. Class A Common Stock, par value $0.01 per share Underwriting AgreementIHS Inc. • March 22nd, 2007 • Services-computer programming, data processing, etc. • New York
[Name] (the "Selling Stockholder"), a stockholder of IHS Inc., a Delaware corporation (the "Company"), proposes, subject to the terms and conditions stated herein, to sell to you (the "Underwriter") an aggregate of [Number of Shares] shares of Class A Common Stock, par value $0.01 per share ("Stock"), of the Company (the "Shares").
