Pacific Premier and San Diego Trust Bank undertake no obligation to revise or publicly release any revision or update to these forward-looking statements to reflect events or circumstances that occur after the date on which such statements were made.Notice to San Diego Trust Bank Shareholders This press release 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. In connection with the proposed acquisition transaction, a registration statement on Form S-4 will be filed with the SEC by Pacific Premier. The registration statement will contain a proxy statement/prospectus to be distributed to the shareholders of San Diego Trust Bank in connection with their vote on the acquisition. SHAREHOLDERS OF SAN DIEGO TRUST BANK ARE ENCOURAGED TO READ THE REGISTRATION STATEMENT AND ANY OTHER RELEVANT DOCUMENTS FILED WITH THE SEC, INCLUDING THE PROXY STATEMENT/PROSPECTUS THAT WILL BE PART OF THE REGISTRATION STATEMENT, BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED ACQUISITION. The final proxy statement/prospectus will be mailed to shareholders of San Diego Trust Bank. Investors and security holders will be able to obtain the documents free of charge at the SEC's website, www.sec.gov. In addition, documents filed with the SEC by Pacific Premier will be available free of charge by (1) accessing Pacific Premier’s website at www.ppbi.com under the “Investor Relations” link and then under the heading “SEC Filings,” (2) writing Pacific Premier at 17901 Von Karman Avenue, Suite 1200, Irvine, CA 92614, Attention: Investor Relations or (3) writing San Diego Trust Bank at 2550 Fifth Avenue, Suite 1010, San Diego, CA 92103, Attention: Corporate Secretary. The directors, executive officers and certain other members of management and employees of Pacific Premier may be deemed to be participants in the solicitation of proxies in favor of the acquisition from the shareholders of San Diego Trust Bank. Information about the directors and executive officers of Pacific Premier is included in the proxy statement for its 2012 annual meeting of Pacific Premier shareholders, which was filed with the SEC on April 16, 2012. The directors, executive officers and certain other members of management and employees of San Diego Trust Bank may also be deemed to be participants in the solicitation of proxies in favor of the acquisition from the shareholders of San Diego Trust Bank. Information about the directors and executive officers of San Diego Trust Bank will be included in the proxy statement/prospectus for the acquisition. Additional information regarding the interests of those participants and other persons who may be deemed participants in the transaction may be obtained by reading the proxy statement/prospectus regarding the proposed acquisition when it becomes available. Free copies of this document may be obtained as described in the preceding paragraph.