ONEX Onex Corporation

Onex Corporation (TSX: ONEX) will release its results for the first three months ended March 31, 2022 on May 13, 2022. A live broadcast of Onex’ webcast to discuss the results will begin at 11:00 a.m. ET on May 13, 2022.

Onex’ Annual Meeting of Shareholders will be held virtually on May 12, 2022 at 10:00 a.m. ET.

A link to these webcasts and the on-line replays will be available at www.onex.com/events-and-presentations.

About OnexFounded in 1984, Onex manages and invests capital on behalf of its shareholders, institutional investors and high net worth clients from around the world. Onex’ platforms include: Onex Partners, private equity funds focused on mid- to large-cap opportunities in North America and Western Europe; ONCAP, private equity funds focused on middle market and smaller opportunities in North America; Onex Credit, which manages primarily non-investment grade debt through tradeable, private and opportunistic credit strategies as well as actively managed public equity and public credit funds; and Gluskin Sheff’s wealth management services. In total, as of December 31, 2021, Onex has approximately $49 billion of assets under management, of which approximately $8.2 billion is its 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 shares trade on the Toronto Stock Exchange under the stock 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

Emilie BlouinDirector, Shareholder Relations and Communications+1 416.362.7711