ONEX Onex Corporation

Onex Corporation (TSX: ONEX) will release its results for the six months ended June 30, 2022 on August 11, 2022. A live broadcast of Onex’ webcast to discuss the results will begin at 11:00 a.m. ET on August 11, 2022.

A link to the webcast and on-line replay will be available at www.onex.com/events-and-presentations.

About Onex

Onex is an investor and asset manager that invests capital on behalf of Onex shareholders and clients across the globe. Formed in 1984, we have a long track record of creating value for our clients and shareholders. Onex’ two primary businesses are Private Equity and Credit. In Private Equity, we raise funds from third-party investors, or limited partners, and invest them, along with Onex’ own investing capital, through the funds of our private equity platforms, Onex Partners and ONCAP. Similarly, in Credit, we raise and invest capital across several private credit, public credit and public equity strategies. Our investors include a broad range of global clients, including public and private pension plans, sovereign wealth funds, insurance companies and family offices. In addition, through our private wealth platform, we service high net worth clients in Canada. In total, as of March 31, 2022, Onex has $49.2 billion in assets under management, of which $8.2 billion is Onex’ own investing capital. With offices in Toronto, New York, New Jersey, Boston and London, Onex and its experienced management teams are collectively the largest investors across Onex’ platforms. Onex is listed on the Toronto Stock Exchange under the symbol ONEX. For more information on Onex, visit its website at www.onex.com. Onex’ security filings can also be accessed at www.sedar.com.

For further information:

Jill HomenukManaging Director – Shareholder Relations and Communications+1 416.362.7711

Zev KormanVice President, Shareholder Relations and Communications+1 416.362.7711