X0201 4 2004-04-08 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 2004-04-08 4 F 0 1436.0000 26.5300 D 12450.0000 D Grants of Restricted Stock. On 4/8/2004, 1,436 shares were withheld by the Corporation to pay taxes due upon vesting of restricted stock, exempt pursuant to Rule 16b-3(e). 12,450 shares remain restricted. See below for other holdings: 1. Direct holding of 730.83138 shares held jointly with his wife in "street name" with Edward Jones. 2. Direct holding of 582.1444 shares held in the Employee Stock Purchase Plan. 3. Direct holding of 4,456 shares which no longer carries the restriction. 4. Indirect holding of 177.0406 shares held by ESOP. 5. Indirect holding of 10.5148 shares held by his children in custodian accounts. 6. 5,000 stock options with expiration date of 2/22/2009. 7. 9,750 stock options with expiration date of 4/9/2010. 8. 25,000 stock options with expiration date of 4/8/2011. /s/ Kevin G Moug by Debra J Lill -POA 2004-04-09