AIG Completes Acquisitions of Strategic Minority Ownership Stakes in Convex Group and Onex Corporation

NEW YORK–(BUSINESS WIRE)–American International Group, Inc. (NYSE: AIG) today announced that it has completed the acquisitions of strategic minority ownership stakes in Convex Group Limited (“Convex”), a privately held, global specialty insurer, and Onex Corporation (“Onex”) (TSE: ONEX), a publicly traded global asset manager.

Pursuant to these transactions, AIG has acquired an approximately 35% equity interest in Convex for approximately $2.1 billion, and a 9.9% ownership stake in Onex for approximately $642 million. In conjunction with AIG’s investment in Convex, Onex has become the majority shareholder in Convex with a 63% ownership interest.

Peter Zaffino, Chairman & Chief Executive Officer, AIG said, “We could not be more pleased to announce the completion of our minority ownership stakes in Convex and Onex and are confident that these long-term investments will continue to strategically position AIG for growth in the future and will be accretive to AIG’s earnings and return on equity in 2026 and in future years.”

AIG began participating in a whole account quota share of Convex’s business beginning January 1, 2026, and will increase cessions in 2027 and 2028.

Morgan Stanley & Co. LLC acted as financial advisor and Wachtell, Lipton, Rosen & Katz and Debevoise & Plimpton LLP acted as legal counsel for AIG.

About AIG
American International Group, Inc. (NYSE: AIG) is a leading global insurance organization. AIG provides insurance solutions that help businesses and individuals in more than 200 countries and jurisdictions protect their assets and manage risks through AIG operations, licenses and authorizations as well as network partners. For additional information, visit www.aig.com. This website with additional information about AIG has been provided as a convenience, and the information contained on such website is not incorporated by reference into this press release.

AIG is the marketing name for the worldwide operations of American International Group, Inc. All products and services are written or provided by subsidiaries or affiliates of American International Group, Inc. Products or services may not be available in all countries and jurisdictions, and coverage is subject to underwriting requirements and actual policy language. Non-insurance products and services may be provided by independent third parties. Certain property casualty coverages may be provided by a surplus lines insurer. Surplus lines insurers do not generally participate in state guaranty funds, and insureds are therefore not protected by such funds.

Contacts

Quentin McMillan (Investors): quentin.mcmillan@aig.com
Leah Gerstner (Media): leah.gerstner@aig.com