X0303 4 2009-02-11 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 2009-02-11 4 M 0 5350 A 34593.4047 D Common Stock 2009-02-11 4 F 0 1885 D 32708.4047 D Common Stock 205.828 I ESOP Common Stock 225.8792 I By daughters Performance Rights 2009-02-11 4 M 0 5350 D Common Stock 5350 0 D The grant price of this award was based on fair market value at the time of the grant which was $28.235. 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. The vesting price of this award was based on fair market value of $18.70 per share. Performance Award: On 2/11/2009, 1,885 shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e). This Performance Share Award had no conversion or exercise price established at the time of the grant. 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 and vested at a fair market value of $18.70 per share. /s/ Kevin G Moug by Debra J Lill, Attorney-in-Fact 2009-02-11