Exhibit 1 WPS RESOURCES CORPORATION UNDERWRITING AGREEMENT November 9, 1999 A.G. Edwards & Sons, Inc. Robert W. Baird & Co. Incorporated Legg Mason Wood Walker, Incorporated c/o A.G. Edwards & Son's, Inc. One North Jefferson Avenue St. Louis, Missouri...Underwriting Agreement • November 12th, 1999 • WPS Resources Corp • Electric & other services combined • New York
