WIBC Wilshire Bancorp, Inc. (MM)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of report (Date of earliest event reported):

April 7, 2016

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

x    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

x    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

market and other capital markets (including changes in interest rate conditions) which would negatively affect the combined company’s business and operating results.

For a more complete list and description of such risks and uncertainties, refer to Wilshire’s Form 10-K for the year ended December 31, 2015, and BBCN’s Form 10-K for the year ended December 31, 2015, as well as other filings made by Wilshire Bancorp and BBCN Bancorp with the Securities and Exchange Commission (the “SEC”). Except as required under the U.S. federal securities laws and the rules and regulations of the SEC, Wilshire disclaims any intention or obligation to update any forward-looking statements after the distribution of this press release, whether as a result of new information, future events, developments, changes in assumptions or otherwise.

Additional Information and Where to Find It

In connection with the proposed merger, BBCN has filed with the SEC a preliminary Registration Statement on Form S-4 that includes a Joint Proxy Statement/Prospectus of Wilshire and BBCN, as well as other relevant documents concerning the proposed transaction. Shareholders are urged to read the preliminary Registration Statement and the Joint Proxy Statement/Prospectus regarding the merger and any other relevant documents filed with the SEC, as well as any amendments or supplements to those documents, because they contain important information. You will be able to obtain a free copy of the Joint Proxy Statement/Prospectus, as well as other filings containing information about Wilshire and BBCN, at the SEC’s Internet site (www.sec.gov). You may also obtain these documents by contacting Wilshire’s Corporate Secretary, at Wilshire Bancorp, Inc., 3200 Wilshire Boulevard, Los Angeles, California 90010, or via e-mail to alexko@wilshirebank.com.  This communication does not constitute an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote or approval.

Participants in Solicitation

Wilshire, BBCN and their respective directors, executive officers, management and employees may be deemed to be participants in the solicitation of proxies in respect of the merger. Information concerning Wilshire’s participants is set forth in the proxy statement, dated April 9, 2015, for Wilshire’s 2015 annual meeting of stockholders as filed with the SEC on Schedule 14A.  Information concerning BBCN’s participants is set forth in the proxy statement, dated May 1, 2015, for BBCN’s 2015 annual meeting of stockholders as filed with the SEC on Schedule 14A. Additional information regarding the interests of participants of BBCN and Wilshire in the solicitation of proxies in respect of the merger is included in the preliminary Registration Statement and Joint Proxy Statement/Prospectus filed with the SEC.

3

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

4