Otter Tail Corporation Sells ShoreMaster

Otter Tail Corporation Sells ShoreMaster

Waterfront Equipment Manufacturer Sold to High Street Capital

FARGO, N.D., Feb. 8, 2013 (GLOBE NEWSWIRE) -- Otter Tail Corporation
(Nasdaq:OTTR) today announced it has sold substantially all of the assets of
ShoreMaster, its waterfront equipment manufacturing business, to High Street
Capital, a longstanding private equity group based in Chicago, IL. The impact
of this transaction on the 2012 Otter Tail Corporation consolidated financial
results will be disclosed in the company's earnings release on February 11,

ShoreMaster will continue to operate independently, with its headquarters
remaining in Fergus Falls, MN. "This is a good outcome for Otter Tail
Corporation, High Street Capital and ShoreMaster," said Otter Tail Corporation
president and CEO Edward J. "Jim" McIntyre. "It fits with our ongoing strategy
of business portfolio alignment, while also adding a great opportunity for
High Street Capital to acquire an experienced leader in the production of
waterfront equipment."

Joseph R. Katcha, Principal at High Street Capital added, "This transaction
will enable us to leverage High Street Capital's experience in growing middle
market companies with the knowledge of ShoreMaster's management team in the
waterfront equipment industry. With the management team, we plan to grow the
business and continue to offer the quality service ShoreMaster's customers
have come to expect from this market leading company."

About ShoreMaster:ShoreMaster is a premier manufacturer of boat lifts, docks,
and accessories for residential and marina use in the waterfront equipment
industry. ShoreMaster's products can be found near the water's edge, providing
value to the owners of first-class marinas and residential lake homes the

About High Street Capital: High Street Capital, founded in 1997, is a leading
lower middle market private equity firm headquartered in Chicago, IL.They
provide flexible capital and operating expertise to drive high-quality
manufacturing, services and distribution businesses to the next stage of their

About Otter Tail Corporation: Otter Tail Corporation has interests in
diversified operations that include an electric utility and energy services
company, and infrastructure businesses that include manufacturing,
construction and plastics. 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.

The Otter Tail Corporation logo is available at

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

Otter Tail Corporation Logo
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