X0202 4 2007-03-01 0 0000097134 TENNANT CO TNC 0001254521 RUSSELL EDWIN L HORIZON INVESTMENTS 5 NINIGRET AVENUE WATCH HILL RI 02891 1 0 0 0 Common Stock 2007-03-01 4 M 0 4000 14.00 A 19686 D Common Stock 2007-03-01 4 S 0 4000 30.47 D 15686 D Common Stock 2007-03-01 4 M 0 4000 21.50 A 19686 D Common Stock 2007-03-01 4 S 0 4000 30.42 D 15686 D Common Stock 2007-03-01 4 M 0 4000 17.50 A 19686 D Common Stock 2007-03-01 4 S 0 4000 30.15 D 15686 D Common Stock 2007-03-01 4 M 0 4000 17.375 A 19686 D Common Stock 2007-03-01 4 S 0 4000 30.05 D 15686 D Common Stock 2007-03-01 4 M 0 4000 22.55 A 19686 D Common Stock 2007-03-01 4 S 0 4000 30.06 D 15686 D Common Stock 2007-03-01 4 M 0 4000 22.00 A 19686 D Common Stock 2007-03-01 4 S 0 4000 30.03 D 15686 D Common Stock 2007-03-01 4 M 0 4000 16.30 A 19686 D Common Stock 2007-03-01 4 S 0 4000 29.86 D 15686 D Common Stock 2007-03-01 4 M 0 666 17.925 A 16352 D Common Stock 2007-03-01 4 S 0 666 29.99 D 15686 D Stock Option (right to buy) 14.00 2007-03-01 4 M 0 4000 0 D 2007-05-02 Common Stock 4000 0 D Stock Option (right to buy) 21.50 2007-03-01 4 M 0 4000 0 D 2008-05-11 Common Stock 4000 0 D Stock Option (right to buy) 17.50 2007-03-01 4 M 0 4000 0 D 2009-05-10 Common Stock 4000 0 D Stock Option (right to buy) 17.375 2007-03-01 4 M 0 4000 0 D 2010-05-05 Common Stock 4000 0 D Stock Option (right to buy) 22.55 2007-03-01 4 M 0 4000 0 D 2011-05-04 Common Stock 4000 0 D Stock Option (right to buy) 22.00 2007-03-01 4 M 0 4000 0 D 2012-05-03 Common Stock 4000 0 D Stock Option (right to buy) 16.30 2007-03-01 4 M 0 4000 0 D 2013-05-01 Common Stock 4000 0 D Stock Option (right to buy) 17.925 2007-03-01 4 M 0 666 0 D 2015-05-09 Common Stock 666 1334 D Stock Option from the 1997 Non-Employee Director Stock Option Plan, granted 5/2/97; vesting 33 and 1/3 percent on each of 5/2/98, 5/2/99 and 5/2/00 and expiring on 5/2/2007. Stock Option from the 1997 Non-Employee Director Stock Option Plan, granted 5/11/98; vesting 33 and 1/3 percent on each of 5/11/99, 5/11/00 and 5/11/01 and expiring on 5/11/2008. Stock Option from the 1997 Non-Employee Director Stock Option Plan, granted 5/10/99; vesting 33 and 1/3 percent on each of 5/10/00, 5/10/01 and 5/10/02 and expiring on 5/10/2009. Stock Option from the 1997 Non-Employee Director Stock Option Plan, granted 5/5/00; vesting 33 and 1/3 percent on each of 5/5/01, 5/5/02 and 5/5/03 and expiring on 5/5/2010. Stock Option from the 1997 Non-Employee Director Stock Option Plan, granted 5/4/01; vesting 33 and 1/3 percent on each of 5/4/02, 5/4/03 and 5/4/04 and expiring on 5/4/2011. Stock Option from the 1997 Non-Employee Director Stock Option Plan, granted 5/3/02; vesting 33 and 1/3 percent on each of 5/3/03, 5/3/04 and 5/3/05 and expiring on 5/3/2012. Stock Option from the 1997 Non-Employee Director Stock Option Plan, granted 5/1/03; vesting 33 and 1/3 percent on each of 5/1/04, 5/1/05 and 5/1/06 and expiring on 5/1/2013. Stock Option from the 1997 Non-Employee Director Stock Option Plan, granted 5/9/05; vesting 33 and 1/3 percent on each of 5/9/06, 5/9/07 and 5/9/08 and expiring on 5/9/2015. /s/John S. Livingston, as Attorney-in-Fact 2007-03-05