AGREEMENT AND PLAN OF MERGER between SUMMIT BANCSHARES, INC. and CULLEN/FROST BANKERS, INC. Dated as of July 2, 2006Agreement and Plan of Merger • July 7th, 2006 • Cullen Frost Bankers Inc • National commercial banks • Texas
Contract Type FiledJuly 7th, 2006 Company Industry JurisdictionAGREEMENT AND PLAN OF MERGER, dated as of July 2, 2006 (this “Agreement”), between Summit Bancshares, Inc., a Texas corporation (“Company”), and Cullen/Frost Bankers, Inc., a Texas corporation (“Parent”).