Press Release

ITW Announces Plans to Webcast June 19 Presentation for William Blair & Company Growth Stock Conference

Glenview, Illinois – June 16, 2008

Illinois Tool Works Inc. (NYSE: ITW) today announced plans to webcast its presentation at the William Blair & Company 28th Annual Growth Stock Conference in Chicago. The presentation will take place Thursday, June 19, 2008 at 7:30 AM CT. The URL for the presentation is:

http://www.wsw.com/webcast/blair13/ITW

The presentation will be delivered by David B. Speer, chairman and chief executive officer.

With $16.2 billion in revenues, ITW is a multinational manufacturer of a diversified range of value-added industrial products and equipment. The Company consists of approximately 825 business units in 52 countries and employs some 60,000 people.

Contact: John Brooklier, 847-657-4104 or jbrooklier@itw.com