AGREEMENT AND PLAN OF MERGER by and among UNIONBANCAL CORPORATION, PEBBLE MERGER SUB INC. and PACIFIC CAPITAL BANCORP Dated as of March 9, 2012Merger Agreement • March 12th, 2012 • Unionbancal Corp • National commercial banks • Delaware
Contract Type FiledMarch 12th, 2012 Company Industry JurisdictionAGREEMENT AND PLAN OF MERGER, dated as of March 9, 2012 (this “Agreement”), by and among UnionBanCal Corporation, a Delaware corporation (“Purchaser”), Pebble Merger Sub Inc., a corporation organized under the laws of the State of Delaware and a wholly owned subsidiary of Purchaser (“Merger Sub”) and Pacific Capital Bancorp, a Delaware corporation (the “Company”).