X0306 4 2019-03-11 0000861842 CATHAY GENERAL BANCORP CATY 0001301191 BINGHAM KIM R 777 NORTH BROADWAY LOS ANGELES CA 90012 1 EVP, Chief Risk Officer Common Stock 2019-03-11 4 M 0 621 A 28884 D Common Stock 2019-03-11 4 F 0 215 36.53 D 28669 D Restricted Stock Units 2019-03-11 4 M 0 621 0 D Common Stock 621 0 D Represents the conversion into Common Stock upon vesting of the restricted stock units reported on Table II. Each restricted stock unit represented a contingent right to receive one share of Common Stock of the Issuer. Shares withheld by Registrant to satisfy tax withholding requirement on vesting of restricted stock units. The Reporting Person previously reported the award of 607 restricted stock units, based on a closing stock price as of March 9, 2018, on Form 4 filed March 13, 2018. The actual number of restricted stock units issued was 621 based on a closing stock price as of March 8, 2018. In addition, such restricted stock units actually vested in full on the date of grant, with the shares of common stock to be distributed on the first anniversary of the date of the grant or immediately upon the death, disability or retirement of the Reporting Person, or a change in control of the Issuer. /s/ Georgia Lo, attorney-in-fact 2019-03-13