Investor Services

Investor Relations

Loren Hanson
Assistant Secretary
Otter Tail Corporation
Phone: 218-739-8481
Email: lhanson@ottertail.com

Transfer Agent

Wells Fargo Shareowner Services
P.O. Box 64854
St. Paul, MN 55164-0854
Phone: 800-468-9716 or 651-450-4064
Fax: 651-450-4033

General Inquiries

Shareowner Services
Otter Tail Corporation
215 S. Cascade Street
Fergus Falls, MN 56537
Phone: 800-664-1259 or 218-739-8481
Email: sharesvc@ottertail.com
Fax: 218-998-3165