X0306 4 2020-03-31 0000775368 ALLEGHANY CORP /DE Y 0001186549 Hicks Weston M ALLEGHANY CORPORATION 1411 BROADWAY, 34TH FLOOR NEW YORK NY 10018 1 1 0 0 President and CEO Common Stock 46777 D Common Stock 9460 I Held by trust of which reporting person has voting and investment control Common Stock 9459 I Held by trust of which reporting person has voting and investment control Phantom Stock 2020-03-31 4 A 0 75.541 554.335 A Common Stock 75.541 893.8331 D Each phantom stock unit is the economic equivalent of one share of the registrant's common stock. Phantom stock units are payable in cash on the date elected by the reporting person. Pursuant to the applicable agreement between the registrant and the reporting person, when the registrant pays a cash dividend on its common stock, the reporting person is credited with a corresponding dividend on his phantom stock units in the form of additional phantom stock units. As a result, this reflects 22.2398 phantom stock units received as dividends in connection with a special cash dividend of $15.00 per share of common stock paid on March 16, 2020. /s/ Stela Burghart, Attorney-in-fact 2020-04-01