X0201 4 2004-01-23 1 0000075129 OTTER TAIL CORP OTTR 0001191497 HELGAAS MAYNARD D 215 S CASCADE ST FERGUS FALLS MN 56537-2801 1 0 0 1 No longer subject to Sec 16 Common Stock 2004-01-23 4 M 0 1118.0000 A 1368.0000 D Restricted Stock Unit 2004-01-23 4 M 0 1118.0000 D 2004-01-23 2004-01-23 Common Stock 1118.0000 0 D There is not specific price on these shares as they were acquired from Restricted Stock Units, see Table II. There is no specific price on these Restricted Stock Units. These were Restricted Stock Units that were acquired under the 1999 Stock Incentive Plan at fair market value as part of the Compensation Program for outside directors. Upon his retirement from the Board, Mr. Helgaas elected to have these units distributed as Common Stock. See below for other holdings: 1. Indirect holding of 1,626.6293 shares held by IRA. 2. Direct holding of 109.3283 shares held in Dividend Reinvestment Plan. 3. Direct holding of 2,050 shares which is a grant of Restricted Stock. 4. 2,000 stock options with expiration date of 4/8/2011. /s/ Maynard D Helgaas by Debra J Lill -POA 2004-01-27