X0303 4 2009-02-03 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 29243.4047 D Common Stock 205.828 I ESOP Common Stock 225.8792 I By daughters Performance Rights 2009-02-03 4 A 0 5350 A Common Stock 5350 5350 D 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. This is a Performance Share Award and has no conversion or exercise price at this time. There is no specific "Exercisable Date" on this Performance Share Award. There is no specific "Expiration Date" on this Performance Share Award. The grant price of this award was based on fair market value at the time of the grant which was $28.235. Performance Share Award acquired under the 1999 Stock Incentive Plan. This award was reaffirmed at the Board of Directors meeting held 2/3/09 and is based on performance period of 1/1/2006 - 12/31/2008. /s/ Kevin G Moug by Debra J Lill, Attorney-in-Fact 2009-02-05