WPS Resources Stock Investment Plan

To join plan: Minimum $100 or have one share of stock.

Optional cash investments: Min $25, invested twice per month.

Fees: ($-Low)

• Sales fee: Commissions will be charged.

Information:

American Stock Transfer & Trust Company
P.O. Box 922
Wall Street Station
New York, NY 10269-0560

Phone: 800-236-1551 - Fax: 718-236-2641

from prospectus dated February 4, 2003 plus additional info.