Source: Onex Corporation

Onex Announces Retail Industry Partnership

TORONTO, ONTARIO--(Marketwire - Sept. 5, 2012) -

All amounts in U.S. dollars unless otherwise stated

Onex Corporation ("Onex") (TSX:OCX) today announced that it has established a strategic partnership with Neil Fiske to strengthen its retail expertise and broaden its investment opportunities in the sector.

"Industrial partnerships have served us well. Our building products and gaming partnerships have led to several proprietary opportunities, including our investment in JELD-WEN last fall," said Gerald W. Schwartz, Onex' Chairman and Chief Executive Officer. "We are pleased to partner with Neil, a retail veteran, to support continued growth of our investing activities."

Prior to partnering with Onex, Mr. Fiske was CEO of multi-channel retailer Eddie Bauer, where he led the successful turnaround and restructuring of the business. Previously, he was CEO of Bath and Body Works. Mr. Fiske's career also includes 14 years at The Boston Consulting Group, where he was a Partner in the retail practice and co-authored "Trading Up: The New American Luxury." He has been awarded Retailer of the Year and Marketer of the Year by Women's Wear Daily.

"I am delighted to be partnering with Onex, given its reputation and long-term track record," commented Mr. Fiske. "I look forward to working with the team to build the firm's retail capabilities and find attractive opportunities that fit with Onex' investment approach."

About Onex

Onex is one of North America's oldest and most successful private equity firms committed to acquiring and building high-quality businesses in partnership with talented management teams. Onex manages investment platforms focused on private equity, real estate and credit securities. In total, the Company manages approximately $14 billion, of which $9 billion is third-party capital. As well, Onex invests its own proprietary capital of approximately $5 billion 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.

Contact Information:

Onex Corporation
Emma Thompson
Vice President, Investor Relations
416.362.7711
www.onex.com