X0306 4 2017-03-27 0000861842 CATHAY GENERAL BANCORP CATY 0001577235 Tai Pin 777 NORTH BROADWAY LOS ANGELES CA 90012 1 CEO & President Common Stock 19262 D Common Stock 849.08 D Restricted Stock Units 2017-03-27 4 A 0 3893 0 A Common Stock 3893 3893 D Includes 4.53 shares acquired through dividend reinvestment year-to-date Each restricted stock unit represents a contingent right to receive one share of Common Stock upon vesting, subject to adjustment in accordance with the award agreement and the Cathay General Bancorp 2005 Incentive Plan, as amended and restated. These restricted stock units are scheduled to vest in 3 annual equal installments beginning March 27, 2018, or earlier in the event of death, disability, retirement, or change in control. /s/ Monica Chen, attorney-in-fact 2017-03-29