Alleghany 2021 Full Year Performance Highlights

Stable Leadership - Aligned with Long-Term Horizon Otis & Mantis Van Sweringen Robert Young Allan Kirby F.M. Kirby 1929-1937 Founders 1937-1958 21 years 1958-1967 9 years 1967-1992 25 years John J. Burns, Jr. Weston M. Hicks Joe Brandon 1992-2004 12 years 2004 - 2021 17 years 2022- Current ° Strong Team of Executive Leaders Kerry Jacobs - EVP & CFO Chris Dalrymple, General Counsel David Van Geyzel, CEO - Alleghany Capital • John Shannon, CIO • Reeva Bakhshi, Deputy CFO & Treasurer 3

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