Press Release

ITW Board Approves 11 Percent Dividend Increase; Dividend Boosted To $1.24 Per Share On An Annual Basis

Glenview, IL – August 8, 2008

The board of directors of Illinois Tool Works Inc. (NYSE:ITW) today declared a regular quarterly cash dividend of 31 cents per share or $1.24 per share on an annual basis. This quarterly increase of 3 cents per share-12 cents per share annually-represents an 11 percent increase over the current dividend rate. The enhanced dividend also represents a payout of 34 percent of the prior two years net income from continuing operations.

The newly-increased dividend will be paid on Tuesday, October 14, 2008 to stockholders of record on Tuesday, September 30, 2008.

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