X0202 4 2007-02-13 0 0000075129 OTTER TAIL CORP OTTR 0001191494 MACFARLANE JOHN C 215 S CASCADE ST FERGUS FALLS MN 56537-2801 1 0 0 0 Common Stock 2007-02-13 4 M 0 13000 19.1875 A 14767 D Common Stock 2007-02-13 4 S 0 13000 33.00 D 1767 D Stock Options (right to buy) 19.1875 2007-02-13 4 M 0 13000 0.00 D 2009-02-22 Common Stock 52000 26000 D These shares are held jointly with his wife. See below for other holdings: 1. Direct holding of 25,299.6406 shares held in the Dividend Reinvestment Plan. 2. Direct holding of 2,417.6142 shares held in Employee Stock Purchase Plan. 3. Direct holding 4,100 shares which is a grant of Restricted Stock. 4. Direct holding of 7,843 shares which no longer carries the restriction. 5. Indirect holding of 20,844.6371 shares held by ESOP. 6. Indirect holding of 3,441.2810 shares held by an IRA. 7. 26,000 stock options with expiration date of 2/22/2009. 8. 100,000 stock options with expiration date of 4/9/2010. 9. 100,000 stock options with expiration date of 4/8/2011. The options become exercisable in four equal annual installments on the anniversaries of the date of grant, beginning February 23, 2000. /s/ John C MacFarlane by Debra J Lill -POA 2007-02-14