Completion is expected during the fourth quarter of 2012. Umpqua Holdings Corporation expects the acquisition to be immediately accretive to operating earnings per share with minimal impact on tangible book value per common share. The combined organization will have assets of approximately $11.8 billion, deposits of approximately $9.4 billion and shareholders’ equity of approximately $1.7 billion.Lane Powell PC served as legal advisor to the board of directors of Umpqua Holdings Corporation and Horgan, Rosen, Beckham & Coren, L.L.P. served in the same capacity for Circle Bancorp. Keefe, Bruyette & Woods, Inc. served as financial advisor to Circle Bancorp. *Map of store locations available About Umpqua Holdings Corporation Umpqua Holdings Corporation (NASDAQ:UMPQ) is the parent company of Umpqua Bank, an Oregon-based community bank recognized for its entrepreneurial approach, innovative use of technology, and distinctive banking solutions. Umpqua Bank has locations between San Francisco, California, and Seattle, Washington, along the Oregon and Northern California Coast, Central Oregon and Northern Nevada. Umpqua Holdings also owns a retail brokerage subsidiary, Umpqua Investments, Inc., which has locations in Umpqua Bank stores and in dedicated offices in Oregon. Umpqua Private Bank serves high-net-worth individuals and non-profits, providing trust and investment services. Umpqua Holdings Corporation is headquartered in Portland, Ore. For more information, visit www.umpquaholdingscorp.com. About Circle Bancorp Circle Bancorp is the parent company of Circle Bank ( www.circlebank.com), a full-service bank, providing a broad range of financial services to consumers and businesses. It is headquartered in Novato, with additional branches in Corte Madera, San Rafael, Petaluma, Santa Rosa and San Francisco’s Noe Valley. Circle Bank recently reported its 52 nd consecutive quarter of profitability and is the only community bank in Northern California that annually publishes and distributes a Corporate Social Responsibility report. Circle Bancorp had total net assets of $306 million as of the quarter ending June 30, 2012. This press release includes forward-looking statements within the meaning of the “Safe-Harbor” provisions of the Private Securities Litigation Reform Act of 1995, which management believes are a benefit to shareholders. These statements are necessarily subject to risk and uncertainty and actual results could differ materially due to certain risk factors, including those set forth from time to time in Umpqua’s filings with the SEC. You should not place undue reliance on forward-looking statements and we undertake no obligation to update any such statements. Specific risks in this press release include whether Circle Bancorp’s shareholders approve the merger, whether the companies receive regulatory approvals for the merger, the timing of closing, whether the companies have accurately predicted acquisition and consolidation expenses, the timing and amount of savings from consolidation, the expected earnings contributions of both companies and management’s ability to effectively integrate the companies. This press release should not be construed as a proxy solicitation by Circle Bancorp for shareholder approval of the transaction. Circle Bancorp and certain of its directors, executive officers and other members of management and employees may be participants in the solicitation of proxies in respect of the proposed transaction. Information regarding Circle Bancorp’s directors and executive officers will be available in the proxy statement to be mailed to shareholders in connection with the transaction. Other information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, will be contained in the proxy statement and other relevant materials to be mailed to shareholders in connection with the transaction.