FERGUS FALLS, Minn., April 16, 2012 (GLOBE NEWSWIRE) -- Otter Tail Corporation hosted 318 shareholders and guests at its annual meeting of common shareholders on Monday, April 16 in Fergus Falls, Minnesota. This was the company's 102^nd annual meeting and was the first meeting Nathan Partain, who has been a director since 1993, served as Chairman of the Board. Represented by proxy or present in person at the meeting were 84% of the corporation's total shares outstanding. Shareholders reelected Karen M. Bohn, Edward J. McIntyre, and Joyce Nelson Schuette to serve three-year terms on Otter Tail Corporation's board of directors.

Bohn, Edina, Minnesota, has been a director since 2003 and is the president of Galeo Group, LLC. McIntyre, West Fargo, North Dakota, has been a director since 2006 and was recently appointed as president and Chief Executive Officer of Otter Tail Corporation. Schuette, Walker, Minnesota, has been a director since 2006 and is a retired managing director and investment banker of Piper Jaffray.

About The Corporation: Otter Tail Corporation has interests in diversified operations that include an electric utility and energy services company, wind energy and transportation, infrastructure businesses which include manufacturing, construction and plastics, health services and food ingredient processing. Otter Tail Corporation stock trades on the NASDAQ Global Select Market under the symbol OTTR. The latest investor and corporate information is available at www.ottertail.com. Corporate offices are located in Fergus Falls, Minnesota, and Fargo, North Dakota.

The Otter Tail Corporation logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=4958

CONTACT: Investor contact:
         Loren Hanson, Manager of Investor Relations
         (218) 739-8481 or (800) 664-1259
         Media contact:
         Michael J. Olsen, Sr. VP Corporate Communications
         (701) 451-3580 or (866) 410-8780