Richard A. Gephardt Joins Onex Team

   Former U.S. Representative and House Minority Leader to Counsel on Labor
Negotiations Related to Acquisition of Boeing's Wichita/Tulsa Division

TORONTO, April 29 /CNW/ -- Onex Corporation (TSX: OCX.SV) announced
today former U.S. Representative Richard A. Gephardt of Missouri has joined
the company's team of advisors related to the planned acquisition of Boeing
Commercial Airplanes' Wichita/Tulsa Division. Mr. Gephardt's focus will be on
transition labor matters as the new business continues negotiations with
representatives of currently unionized employees to whom it intends to offer
employment upon completion of the acquisition.
Onex announced on Feb. 22 its agreement to acquire the Wichita/Tulsa
Division.
"Mr. Gephardt's long and distinguished career has many hallmarks of
achievement, most notably his dedication to working with both companies and
workers to keep manufacturing jobs in America," said Seth M. Mersky, managing
director of Onex Corporation. "His direct efforts as a congressman and member
of the U.S. House of Representatives leadership have helped save thousands of
jobs, and we are confident Mr. Gephardt's wisdom and years of experience will
be helpful to us as we transition the Wichita/Tulsa Division to an independent
business."
Mr. Gephardt was a member of the U.S. House of Representatives from 1977
to 2005, serving as House Majority Leader from 1989 to 1995, and as House
Minority Leader from 1995 to 2003. He ran for the Democratic nomination for
president in 1988 and 2004.
Onex Corporation is a diversified company with annual consolidated
revenues of approximately $16 billion and consolidated assets of approximately
$12 billion. Onex has global operations in service, manufacturing, and
technology industries. Its operating companies include Celestica Inc.,
Magellan Health Services, Inc., ClientLogic Corporation, Cineplex Galaxy LP,
J.L. French Automotive Castings, Inc., Res-Care, Inc., Emergency Medical
Services Corporation, Cosmetic Essence, Inc., Center for Diagnostic Imaging,
Inc., and Radian Communication Services Corporation. Onex shares trade on the
Toronto Stock Exchange under the stock symbol OCX.SV.

For more information on Onex Corporation, visit its Web site at
http://www.onex.com .
For the latest information on the proposed acquisition of the
Wichita/Tulsa Division, visit http://www.midwesternaircraft.com .

This news release may contain forward-looking statements that are based on
management's current expectations and are subject to known and unknown
uncertainties and risks, which could cause actual results to differ materially
from those contemplated or implied by such forward-looking statements. Onex is
under no obligation to update any forward-looking statements contained herein
should material facts change due to new information, future events or
otherwise.
As of its date, this press release contains all material information
associated with this event.

All amounts in Canadian dollars unless otherwise stated