X0206 3 2014-04-14 0 0001466593 Otter Tail Corp OTTR 0001605621 ROGELSTAD TIMOTHY J 215 S CASCADE ST FERGUS FALLS MN 56537-2801 0 1 0 0 Sr VP, Elect Plat; Pres OTP Common Stock 2570.3834 D Common Stock 1944.3457 I ESOP Restricted Stock Units (right to buy) 2015-04-08 2015-04-08 Common Stock 250 D Restricted Stock Units (right to buy) 2016-04-08 2016-04-08 Common Stock 250 D Restricted Stock Units (right to buy) 2016-04-08 2016-04-08 Common Stock 1000 D Restricted Stock Units (right to buy) 2017-04-08 2017-04-08 Common Stock 250 D Otter Tail Corporation announced Mr. Rogelstad as Sr Vice President, Electric Platform and President of Otter Tail Power Company at the Shareholder Annual Meeting held April 14, 2014. His new role is effective immediately and he will report directly to Mr. Charles MacFarlane. Total direct holdings include shares of Common Stock acquired under the 2014 Stock Incentive Plan, which is a grant of Restricted Stock. The 1,800 shares granted 4/14/2014 vest 25% yearly commencing 4/8/2015. Other direct holdings include shares jointly held with spouse in the Employee Stock Purchase Plan and shares acquired pursuant to Restricted Stock Unit distributions. 1 -for -1 /s/ Timothy J Rogelstad by Debra J Lill, Attorney-in-Fact 2014-04-16