Onex Appoints Josh Hausman to Managing Director

Onex Appoints Josh Hausman to Managing Director 
TORONTO, ONTARIO -- (Marketwire) -- 01/08/13 --  
All amounts in U.S. dollars unless otherwise stated  
Onex Corporation ("Onex") (TSX:OCX) today announced the promotion of
Josh Hausman to Managing Director. 
Mr. Hausman, who joined Onex in 2004, previously held the position of
Principal and has been an important part of the investment teams
responsible for many of Onex' healthcare investments, including
Emergency Medical Services and ResCare. Mr. Hausman will continue to
lead Onex' efforts in the Technology sector from the firm's New York
office. 
Prior to joining Onex, Mr. Hausman worked in the Healthcare
Investment Banking group at Bank of America, where he provided
capital raising and advisory services to healthcare companies. He
holds an A.B., Economics (cum laude), from Harvard College. 
About Onex  
With offices in Toronto, New York and London, Onex is one of the
oldest and most successful private equity firms. Onex acquires and
builds high-quality businesses in partnership with talented
management teams. The Company has approximately $14 billion of assets
under management, including $4.8 billion of proprietary capital, in
private equity, credit securities and real estate. Onex invests its
proprietary capital directly and as a substantial limited partner in
its Funds.  
Onex' businesses have assets of $39 billion, generate annual revenues
of $34 billion and employ approximately 235,000 people worldwide.
Onex shares trade on the Toronto Stock Exchange under the stock
symbol OCX. For more information on Onex, visit its website at
www.onex.com. The Company's security filings can also be accessed at
www.sedar.com. 
Contacts:
Onex Corporation
Emma Thompson
Vice President, Investor Relations
416.362.7711
www.onex.com