East West Bancorp (EWBC) 10-Q 2006 Q3 Quarterly report

Exhibit 32.1

CERTIFICATION

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of East West Bancorp, Inc. (the “Company”) on Form 10-Q for the quarterly period ended September 30, 2006, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Dominic Ng, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge that:

(a)the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(b)the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: November 8, 2006
	/s/ DOMINIC NG
	Dominic Ng
	President and Chief Executive Officer