Underwriting AgreementIHS Inc. • October 23rd, 2006 • Services-computer programming, data processing, etc. • New York
Company FiledOctober 23rd, 2006 Industry JurisdictionGoldman, Sachs & Co., Citigroup Global Markets Inc., Morgan Stanley & Co. Incorporated, KeyBanc Capital Markets, A Division of McDonald Investments Inc., Piper Jaffray & Co., As representatives of the several Underwriters named in Schedule I hereto, c/o Goldman, Sachs & Co., 85 Broad Street, New York, New York 10004.