Milacron Second Quarter Earnings Release and Conference Call Set for July 29

CINCINNATI, Ohio - July 23, 2003 - Milacron Inc. (NYSE: MZ), a leading global supplier of plastics-processing technologies and industrial fluids, announced today it will report its financial results for the second quarter ended June 30, 2003, on Tuesday, July 29, 2003.

Following its usual practice, on July 29 the company will release its results in the morning before the market opens. Later that day at 3:00 p.m. ET, management will conduct an open investor conference call to discuss the second quarter along with the current outlook. The call can be accessed live via Milacron’s website, www.milacron.com. For analysts and investors wishing to ask questions, the dial-in number will be (913) 981-5532. A recording of the conference call will be available from 6 p.m. Tuesday, July 29, through midnight Tuesday, August 5, and may be accessed on Milacron’s website, www.milacron.com, or by dialing (719) 457-0820 and providing the access code: 509314.

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First incorporated in 1884, Milacron is a leading global supplier of plastics-processing technologies and industrial fluids, with major manufacturing facilities in North America, Europe and Asia. For further information, visit the company’s web site or call the toll-free investor hot line: 800-909-MILA (800-909-6452).