X0508 4 2026-01-23 0 0001069157 EAST WEST BANCORP INC EWBC 0001482107 Oh Irene H EAST WEST BANCORP, INC. 135 N. LOS ROBLES AVE. 7TH FLOOR PASADENA CA 91101 0 1 0 0 Chief Risk Officer 0 Common Stock 2026-01-23 4 M 0 29 0 A 85743 D Common Stock 2026-01-23 4 F 0 12 111.35 D 85731 D Common Stock 2475 I 401 (k) Plan Time-Based Restricted Stock Units granted on January 23, 2023, with full cliff vesting in three years on January 23, 2026, pursuant to the Issuer's Spirit of Ownership stock program. Shares withheld for payment of tax liability in connection with the vesting of Time-Based Restricted Stock Units pursuant to the Issuer's Spirit of Ownership stock program. The number of shares withheld was based on the closing price of the Issuer's common stock on January 23, 2026. /s/ Louisa Wang, as Attorney-in-fact 2026-01-27