AGREEMENT AND PLAN OF MERGER Dated as of July 8, 2006, Among WPS RESOURCES CORPORATION, WEDGE ACQUISITION CORP. And PEOPLES ENERGY CORPORATIONMerger Agreement • July 11th, 2006 • WPS Resources Corp • Electric & other services combined • New York
Contract Type FiledJuly 11th, 2006 Company Industry JurisdictionOn , the undersigned sold the securities of WPS RESOURCES CORPORATION (“Parent”) described below in the space provided for that purpose (the “Securities”). The Securities were received by the undersigned in connection with the merger of WEDGE ACQUISITION CORP., a subsidiary of Parent, with and into PEOPLES ENERGY CORPORATION.