IHS Inc. Second Quarter 2006 Conference Call.

ENGLEWOOD, Colo. -- Second graph, first sentence of release dated June 12, 2006, should read: Wednesday, June 28 (sted Tuesday, June 28).

The corrected release reads:

IHS INC. SECOND QUARTER 2006 CONFERENCE CALL

IHS Inc. (NYSE: IHS) will release its results for the second quarter of fiscal year 2006 on June 28, 2006.

Investors will have the opportunity to listen to IHS senior management review its second quarter results via webcast on Wednesday, June 28, at 5:00 p.m. Eastern time. To hear the live event, visit the IHS website under the Investor Relations pages at www.ihs.com and log on at least 15 minutes prior to the start of the call.

A replay of the conference call will be available approximately two hours after the conclusion of the live event on June 28 through July 5. To access the webcast recording, visit the Investor Relations section of www.ihs.com, or the audio replay by dialing 888-286-8010 (U.S. participants) or 617-801-6888 (international participants). The audio replay passcode number is 82895614.

About IHS

IHS (NYSE: IHS) is one of the leading global providers of critical technical information, decision-support tools and related services to customers in a number of industries including energy, defense, aerospace, construction, electronics, and automotive through two operating segments: Engineering and Energy. We serve customers ranging from governments and large multinational corporations to smaller companies and technical professionals in more than 100 countries. Our customers rely on our offerings to facilitate decision making, support key processes and improve productivity. We have been in business for more than 45 years and employ more than 2,300 people around the world.

IHS is a registered trademark of IHS Inc. All other company and product names may be trademarks of their respective owners. Copyright (C) 2006 IHS Inc. All rights reserved.