X0306 4 2020-05-11 0000775368 ALLEGHANY CORP /DE Y 0001252539 FOOS JOHN G C/O ALLLEGHANY CORPORATION 1411 BROADWAY, 34TH FLOOR NEW YORK NY 10018 1 0 0 0 Common Stock 2020-05-11 4 A 0 280 A 3182 D Grant of 280 restricted stock units for no cash consideration under the Alleghany Corporation 2015 Directors' Stock Plan, reflecting such number of restricted stock units ("RSUs") equal to $150,000 (as determined by the Board of Directors in accordance with the plan) divided by the average of the closing sales prices of the common stock on the 30 consecutive trading days preceding the grant date as reported by the NYSE. Under the Alleghany Corporation 2010 Directors' Stock Plan and 2015 Directors' Stock Plan, when the registrant pays a cash dividend on its common stock, each director holding RSUs awarded under such plan(s) is credited with a corresponding dividend on his or her RSUs in the form of additional RSUs. As a result, this reflects 65 RSUs 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 2020-05-11