Exhibit 99.1


MILACRON
- ---------                                                       News Release
Manufacturing Technologies

CONTACT: AL BEAUPRE  (513) 487-5918


                  MILACRON APPOINTS STEVEN N. ISAACS DIRECTOR


CINCINNATI, OHIO, April 6, 2004...Steven N. Isaacs has been appointed to the
board of directors of Milacron Inc. (NYSE: MZ) effective April 5.

Mr. Isaacs, 40, is a director of Glencore Finance AG, an investment company in
Switzerland. He is also a director of Mopani Copper Mines Limited in Zambia
and an alternate director of Minara Resources Limited in Australia. He was
selected for appointment as a Milacron director and as a nominee for
re-election by Glencore Finance AG and Mizuho International plc, holders of
Milacron's Series A Notes pursuant to the Note Purchase Agreement dated March
12, 2004. He has also been appointed to the board's finance committee.

"We are very pleased to have Steven Isaacs join us as a new director," said
Ronald D. Brown, Milacron chairman, president and chief executive officer.
"Steven brings with him extensive international experience and financial
expertise to help strengthen an already strong board. We look forward to his
advice and guidance as we continue to develop our platform for future growth
and profitability."

Prior to his current position, Mr. Isaacs was responsible for the investment
activities of Glencore International AG in copper and nickel assets. He is a
chartered accountant with a bachelor of commerce, a bachelor of accounting and
an MBA from the University of the Witwatersand in South Africa.

On April 5, 2004, Milacron Inc. ("Milacron" or the "Company") filed a
preliminary proxy statement with the Securities and Exchange Commission (the
"SEC") in connection with Milacron's annual meeting of shareholders (the
"Annual Meeting") and the matters to be considered at the Annual Meeting
including proposals seeking stockholder approval for authorization of
additional shares of common stock of the Company and the issuance of new
preferred stock convertible into such common stock. In addition, Milacron will
file a definitive proxy statement, and may file other proxy materials, with
the SEC with respect to these matters. Investors and security holders are
urged to read the definitive proxy statement and any other proxy materials
when they become available because they will contain important information
concerning the Annual Meeting, the authorization of additional shares of
common stock of the Company and the issuance of new preferred stock
convertible into such common stock for which stockholder approval will be
sought at the Annual Meeting and other matters to be considered at


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the Annual Meeting. A definitive proxy statement will be sent to the
stockholders of Milacron. Investors and security holders may obtain a free
copy of the definitive proxy statement, when it becomes available, and other
documents filed with, or furnished to, the SEC by Milacron at the SEC's web
site at www.sec.gov. The definitive proxy statement and other documents may
also be obtained for free by directing a request to Milacron Inc., 2090
Florence Ave., Cincinnati, OH 45206, by calling (513) 487-5000, or by going to
the "Investors" section of Milacron's website at www.milacron.com.

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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).

Photos of all Milacron directors are available at
ftp://ftp.milacron.com/photo/directors/.

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