1 1 12345678 12345678 12345678 12345678 12345678 12345678 12345678 12345678 000000000000 NAME THE COMPANY NAME INC. - COMMON 123,456,789,012.12345 THE COMPANY NAME INC. - CLASS A 123,456,789,012.12345 THE COMPANY NAME INC. - CLASS B 123,456,789,012.12345 THE COMPANY NAME INC. - CLASS C 123,456,789,012.12345 THE COMPANY NAME INC. - CLASS D 123,456,789,012.12345 THE COMPANY NAME INC. - CLASS E 123,456,789,012.12345 THE COMPANY NAME INC. - CLASS F 123,456,789,012.12345 THE COMPANY NAME INC. - 401 K 123,456,789,012.12345 . x 02 0000000000 JOB # 1 OF 2 1 OF 2 PAGE SHARES CUSIP # SEQUENCE # THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED. KEEP THIS PORTION FOR YOUR RECORDS DETACH AND RETURN THIS PORTION ONLY TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS: Signature (Joint Owners) Signature [PLEASE SIGN WITHIN BOX] Date Date CONTROL # SHARES 0 0 0 0 0 0 0 0 0 0000187658_1 R1.0.0.51160 METROCORP BANCSHARES, INC. 9600 BELLAIRE BOULEVARD, SUITE 252 PO BOX 4760 HOUSTON, TX 77036 ATTN: CAROL BROOKS Investor Address Line 1 Investor Address Line 2 Investor Address Line 3 Investor Address Line 4 Investor Address Line 5 John Sample 1234 ANYWHERE STREET ANY CITY, ON A1A 1A1 Investor Address Line 1 Investor Address Line 2 Investor Address Line 3 Investor Address Line 4 Investor Address Line 5 John Sample 1234 ANYWHERE STREET ANY CITY, ON A1A 1A1 VOTE BY INTERNET - www.proxyvote.com Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 P.M. Eastern Time the day before the cut-off date or meeting date. Have your proxy card in hand when you access the web site and follow the instructions to obtain your records and to create an electronic voting instruction form. ELECTRONIC DELIVERY OF FUTURE PROXY MATERIALS If you would like to reduce the costs incurred by our company in mailing proxy materials, you can consent to receiving all future proxy statements, proxy cards and annual reports electronically via e-mail or the Internet. To sign up for electronic delivery, please follow the instructions above to vote using the Internet and, when prompted, indicate that you agree to receive or access proxy materials electronically in future years. VOTE BY PHONE - 1-800-690-6903 Use any touch-tone telephone to transmit your voting instructions up until 11:59 P.M. Eastern Time the day before the cut-off date or meeting date. Have your proxy card in hand when you call and then follow the instructions. VOTE BY MAIL Mark, sign and date your proxy card and return it in the postage-paid envelope we have provided or return it to Vote Processing, c/o Broadridge, 51 Mercedes Way, Edgewood, NY 11717. The Board of Directors recommends you vote FOR proposals 1, 2, and 3. For Against Abstain 1. Adoption of the Agreement and Plan of Merger, dated as of September 18, 2013, by and between East West Bancorp, Inc. and MetroCorp. 2. Approval, on an advisory (non-binding) basis, of specified compensation that may become payable to the named executive officers of MetroCorp in connection with the merger. 3. Approval of one or more adjournments of the MetroCorp special meeting, if necessary or appropriate, including adjournments to permit further solicitation of proxies in favor of the MetroCorp merger proposal. NOTE: Such other business as may properly come before the meeting or any adjournment thereof. Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator, or other fiduciary, please give full title as such. Joint owners should each sign personally. All holders must sign. If a corporation or partnership, please sign in full corporate or partnership name, by authorized officer.

0000187658_2 R1.0.0.51160 Important Notice Regarding the Availability of Proxy Materials for the Special Meeting: The Notice & Proxy Statement is/are available at www.proxyvote.com . METROCORP BANCSHARES, INC. PROXY FOR SPECIAL MEETING OF SHAREHOLDERS TO BE HELD ON MONDAY, DECEMBER 16, 2013 THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS. A Special Meeting of Shareholders of MetroCorp Bancshares, Inc. ("MetroCorp") will be held at MetroCorp's principal executive office at 9600 Bellaire Boulevard, Suite 252, Houston, Texas 77036, on Monday, December 16, 2013 beginning at 10:00 a.m. (local time). The undersigned hereby acknowledges receipt of the Notice of Special Meeting of Shareholders and related Proxy Statement accompanying this proxy. The undersigned hereby appoints Don J. Wang and David C. Choi and each of them, with or without the other, attorneys and agents, with full power of substitution, to vote as proxy all shares of Common Stock, par value $1.00 per share, of MetroCorp owned of record by the undersigned and otherwise to act on behalf of the undersigned at the Special Meeting of Shareholders and any adjournment thereof in accordance with the directions set forth herein and with discretionary authority with respect to such other matters, as may properly come before such meeting or any adjournment thereof, including any matter presented by a shareholder at such meeting for which advance notice was not received by MetroCorp in accordance with MetroCorp's Amended and Restated Bylaws. This proxy is solicited on behalf of the Board of Directors of MetroCorp and will be voted FOR the proposals listed on the reverse side unless otherwise indicated. Continued and to be signed on reverse side