Otter Tail Corporation Common Stock

Otter Tail Corp. is a holding company, which engages in the energy, infrastructure, and production businesses. The company is headquartered in Fergus Falls, Minnesota and currently employs 2,198 full-time employees. The firm operates through three segments: Electric, Manufacturing, and Plastics. The Electric segment includes the generation, purchase, transmission, distribution, and sale of electric energy in western Minnesota, eastern North Dakota, and northeastern South Dakota. The Manufacturing segment consists of businesses which provide metal fabrication services and manufacture thermoformed plastic products. These businesses have manufacturing facilities in Georgia, Illinois and Minnesota and sell products primarily in the United States. The Plastics segment consists of businesses producing polyvinyl chloride (PVC) pipe primarily used in municipal water infrastructure at plants in North Dakota and Arizona. The PVC pipe is sold primarily in the western half of the United States and Canada.