TENNANT CO — Director's Dealing 2008

May 31, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TENNANT CO (TNC)
CIK: 0000097134
Period of Report: 2008-05-15

Reporting Person: DYBSKY THOMAS (VP, Administration)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-05-15	Common Stock	S	1200	$34.87	Disposed	5008	Direct
2008-05-15	Common Stock	S	800	$35.00	Disposed	4208	Direct
2008-05-28	Common Stock	S	2809	$35.00	Disposed	1399	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1657.663	Indirect