ONEX Onex Corporation

Onex Corporation (“Onex”) (TSX: ONEX) confirms all nominees set forth in the management information circular for its May 12, 2022 Annual Meeting of Shareholders have been elected as directors of the Company. Detailed results of the vote for each director are set out below.

Nominee	Elected by	% Votes For
Gerald W. Schwartz	Multiple Voting Shares	100.0
William A. Etherington	Multiple Voting Shares	100.0
Ewout Heersink	Multiple Voting Shares	100.0
John B. McCoy	Multiple Voting Shares	100.0
J. Robert S. Prichard	Multiple Voting Shares	100.0
Heather M. Reisman	Multiple Voting Shares	100.0
Arni C. Thorsteinson	Multiple Voting Shares	100.0
Mitchell Goldhar	Subordinate Voting Shares	77.7
Arianna Huffington	Subordinate Voting Shares	91.7
Sarabjit S. Marwah	Subordinate Voting Shares	99.7
Beth Wilkinson	Subordinate Voting Shares	95.7

Shareholders of Onex were also presented with and voted on an advisory resolution endorsing the Company’s approach to executive compensation, generally referred to as “say-on-pay”, as well as a shareholder proposal resolution submitted by the Shareholder Association for Research & Education (“SHARE”) on behalf of the Catherine Donnelly Foundation. Both resolutions are more fully described in the Company’s management information circular. Detailed results of the vote for each resolution are set out below.

Resolution	% Votes For
Approach to executive compensation – “ say-on-pay”	95.3
Shareholder proposal resolution submitted by SHARE	16.6

About Onex

Founded 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 Homenuk Managing Director – Shareholder Relations and CommunicationsTel: +1 416.362.7711

Emilie Blouin Director, Shareholder Relations and CommunicationsTel: +1 416.362.7711