FORM OFEAST WEST BANCORP PREFERRED STOCK CERTIFICATE Fixed Rate Cumulative Fixed Rate Cumulative Perpetual Preferred Stock, Series B Perpetual Preferred Stock, Series B $0.001 Par Value Certificate Number B-1 EAST WEST BANCORP, INC. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE Shares 306,546

EXHIBIT 4.3

FORM OF EAST WEST BANCORP PREFERRED STOCK CERTIFICATE

FULLY PAID AND NON-ASSESSABLE SHARES OF THE FIXED RATE CUMULATIVE PERPETUAL PREFERRED STOCK, SERIES B OF EAST WEST BANCORP, INC.,

transferable in person or by duly authorized attorney upon surrender of this certificate properly endorsed.  This certificate and the shares represented hereby are subject to the provisions of the Certificate of Incorporation, all amendments thereto, and the Bylaws of the Corporation, and to the rights, preferences, and voting powers of the Preferred Stock of the Corporation now or hereafter outstanding; the terms of all such provisions, rights, preferences and voting powers being incorporated herein by reference.

IN WITNESS THEREOF, East West Bancorp, Inc. has caused this certificate to be executed by signatures of its duly authorized officers and has caused its corporate seal to be hereunto affixed.

THE SECURITIES REPRESENTED BY THIS INSTRUMENT ARE NOT SAVINGS ACCOUNTS, DEPOSITS OR OTHER OBLIGATIONS OF A BANK AND ARE NOT INSURED BY THE FEDERAL DEPOSIT INSURANCE CORPORATION  OR ANY OTHER GOVERNMENTAL AGENCY.

THE SECURITIES REPRESENTED BY THIS INSTRUMENT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE AND MAY NOT BE TRANSFERRED, SOLD OR OTHERWISE DISPOSED OF EXCEPT WHILE A REGISTRATION STATEMENT RELATING THERETO IS IN EFFECT UNDER SUCH ACT AND APPLICABLE STATE SECURITIES LAWS OR PURSUANT TO AN EXEMPTION FROM REGISTRATION UNDER SUCH ACT OR SUCH LAWS.  EACH PURCHASER OF THE SECURITIES REPRESENTED BY THIS INSTRUMENT IS NOTIFIED THAT THE SELLER MAY BE RELYING ON THE EXEMPTION FROM SECTION 5 OF THE SECURITIES ACT PROVIDED BY RULE 144A THEREUNDER. ANY TRANSFEREE OF THE SECURITIES REPRESENTED BY THIS INSTRUMENT BY ITS ACCEPTANCE HEREOF (1) REPRESENTS THAT IT IS A “QUALIFIED INSTITUTIONAL BUYER” (AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT), (2) AGREES THAT IT WILL NOT OFFER, SELL OR OTHERWISE TRANSFER THE SECURITIES REPRESENTED BY THIS INSTRUMENT EXCEPT (A) PURSUANT TO A REGISTRATION STATEMENT WHICH IS THEN EFFECTIVE UNDER THE SECURITIES ACT, (B) FOR SO LONG AS THE SECURITIES REPRESENTED BY THIS INSTRUMENT ARE ELIGIBLE FOR RESALE PURSUANT TO RULE 144A, TO A PERSON IT REASONABLY BELIEVES IS A “QUALIFIED INSTITUTIONAL BUYER” AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT THAT PURCHASES FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF A QUALIFIED INSTITUTIONAL BUYER TO WHOM NOTICE IS GIVEN THAT THE TRANSFER IS BEING MADE IN RELIANCE ON RULE 144A, (C) TO THE ISSUER OR (D) PURSUANT TO ANY OTHER AVAILABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND (3) AGREES THAT IT WILL GIVE TO EACH PERSON TO WHOM THE SECURITIES REPRESENTED BY THIS INSTRUMENT ARE TRANSFERRED A NOTICE SUBSTANTIALLY TO THE EFFECT OF THIS LEGEND.

SIGNATURE(S) GUARANTEED:

THE SIGNATURE(S) SHOULD BE GUARANTEED

BY AN ELIGIBLE GUARANTOR INSTITUTION

(Banks, Stockbrokers, Savings and Loan Associations

and Credit Unions) WITH MEMBERSHIPS IN AN

APPROVED SIGNATURE GUARANTEE MEDALLION

PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15.