---

Exchange Ratio Fixed for Illinois Tool Works-Premark Transaction

23 November 1999

Exchange Ratio Fixed for Illinois Tool Works-Premark Transaction

    GLENVIEW, Ill., Nov. 22 -- Illinois Tool Works Inc.
and Premark International, Inc. announced today that
assuming the merger transaction between the two companies closes on
November 23 following the required shareholder approval, Premark shareholders
would receive .8081 of a share of Illinois Tool Works common stock for each
share of Premark common stock exchanged in the merger.
    ITW announced its intention to merge with Premark International on
September 9 of this year.  Premark is a $2.7 billion commercial manufacturer
of food equipment and decorative products which are marketed in more than 100
countries.
    A $5.6 billion diversified manufacturer of highly engineered components
and industrial systems, ITW consists of more than 400 decentralized operations
in 36 countries and employs approximately 29,000 people.