Otter Tail Corporation Increases Quarterly Dividend

Otter Tail Corporation Increases Quarterly Dividend

FARGO, N.D., Feb. 3, 2014 (GLOBE NEWSWIRE) -- Otter Tail Corporation
(Nasdaq:OTTR) announced today the Board of Directors increased the company's
quarterly common stock dividend to $0.3025 per share. The increase brings the
annual indicated dividend rate to $1.21 per share, a $.02 increase over the
2013 rate. The dividend is payable on March 10, 2014 to shareholders of record
on February 14, 2014.

This represents the 301^st consecutive quarter dividends have been paid on
common stock.

The corporation will issue a news release announcing year end 2013 financial
results after the market close on February 10, 2014.

About Otter Tail Corporation: Otter Tail Corporation has interests in
diversified operations that include an electric utility, manufacturing and
infrastructure businesses. Otter Tail Corporation stock trades on the NASDAQ
Global Select Market under the symbol OTTR. The latest investor and corporate
information is available at Corporate offices are located
in Fergus Falls, Minnesota, and Fargo, North Dakota.

CONTACT: Investor Relations
         (800) 664-1259

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