You are invited to attend the 2002 Annual Meeting to be held on Wednesday, April 24, in Waukesha, Wisconsin.

The Annual Meeting will begin with a report on Company operations, followed by discussion and voting on the matters set forth in the accompanying Notice of Annual Meeting and Proxy Statement and discussion on other business matters properly brought before the meeting.

If you plan to attend the meeting, please follow the advance registration instructions on the back of this Proxy Statement. An admission card, which is required for admission to the meeting, will be mailed to you prior to the meeting.

Whether or not you plan to attend, you can be sure your shares are represented at the meeting by promptly voting and submitting your proxy by phone, by Internet, or by completing, signing, dating and returning your Proxy Form in the enclosed envelope.