1The Annual Meeting of Shareholders is scheduled for Monday, May 4, 2026, at 10:00 am EDT and will be held virtually at www.virtualshareholdermeeting.com/MGA2026.
2The proxy deposit deadline is Thursday, April 30, 2026, by 5:00 pm EDT.
3Shareholders will vote on the election of directors, including Mary S. Chan, Hon. V. Peter Harder, Jan R. Hauser, Seetarama S. Kotagiri, Jay K. Kunkel, Robert F. MacLellan, Mary Lou Maher, William A. Ruh, Matthew Tsien, Peter Sklar, Lisa S. Westlake, and Dr. Thomas Weber.
4Shareholders will vote on the reappointment of Deloitte LLP as the independent auditor and authorization for the Audit Committee to fix its remuneration.
5Deloitte LLP provided its consent dated March 27, 2026, for the incorporation by reference of its reports dated February 25, 2026, on the company's consolidated financial statements for the year ended December 31, 2025, and the effectiveness of internal control over financial reporting.