FERGUS FALLS, Minn., July 29, 2013 (GLOBE NEWSWIRE) -- Otter Tail Corporation (Nasdaq:OTTR) will issue a news release announcing second quarter 2013 earnings results after the market close on August 5, 2013, and host a live conference call and webcast on August 6, 2013, at 10:00 a.m. CDT to discuss the company's financial and operating performance. The presentation will be posted on the company's website before the webcast. To access the live webcast go to www.ottertail.com/presentations.cfm and select "Webcast". Please allow extra time prior to the call to visit the site and download any necessary software that may be needed to listen to the Internet broadcast. An archived copy of the webcast will be available on our website shortly following the call. If you are interested in asking a question during the live broadcast, the Dial-In Number is: 877-312-8789. Please contact Loren Hanson at 218-739-8481 or firstname.lastname@example.org with any questions. A bout 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 www.ottertail.com. Corporate offices are located in Fergus Falls, Minnesota, and Fargo, North Dakota.