X0303 4 2009-04-20 0 0000075129 OTTER TAIL CORP OTTR 0001191492 MOUG KEVIN G 215 S CASCADE ST FERGUS FALLS MN 56537-2801 0 1 0 0 CFO & Treasurer Common Stock 2009-04-20 4 A 0 4500 A 36804.1316 D Common Stock 209.1119 I ESOP Common Stock 229.4552 I By daughters Shares of Common Stock acquired under the Corporation's Stock Incentive Plan, which is a grant of Restricted Stock. The 4,500 shares granted 4/20/2009 vest 25% yearly commencing 4/8/2010. The grant has a FMV of $22.15. Total direct holdings include shares jointly held with spouse in the Dividend Reinvestment Plan, shares acquired individually through the Employee Stock Purchase Plan and shares acquired pursuant to Restricted Stock Awards and Performance Award distributions. /s/ Kevin G Moug by Debra J Lill, Attorney-in-Fact 2009-04-22