Tennant to Webcast First Quarter Conference Call - April 24, 2008

Tennant to Webcast First Quarter Conference Call

MINNEAPOLIS, Minn., April 10, 2008—Tennant Company (NYSE:  TNC) announced today that the company will report its results for the first quarter ended March 31, 2008, on Thursday, April 24, 2008.  The company will conduct a conference call to discuss the results at 10:00 a.m. Central Time on April 24.  The company’s results announcement will be issued before the call and will be posted under the Investor Relations section of Tennant’s Web site at www.tennantco.com.  The conference call will be available via webcast under the Investor Relations section of Tennant’s Web site.  To listen to the call live on the web, go to www.tennantco.com at least 15 minutes before the scheduled start time and, if necessary, download and install audio software.  A taped replay of the conference call will also be available at www.tennantco.com for two weeks after the call ends.

Company Profile

Minneapolis-based Tennant Company (NYSE:  TNC) is a world leader in designing, manufacturing and marketing solutions that help create a cleaner, safer world.  Its products include equipment for maintaining surfaces in industrial, commercial and outdoor environments; and coatings for protecting, repairing and upgrading concrete floors.  Tennant’s global field service network is the most extensive in the industry.  Tennant has manufacturing operations in Minneapolis, Minn.; Holland, Mich.; Uden, The Netherlands; Northampton, United Kingdom; and Shanghai, China; and sells products directly in 15 countries and through distributors in more than 80 countries.  For more information, visit www.tennantco.com.

INVESTOR CONTACT:
Tom Paulson
Vice President and Chief Financial Officer
763-540-1204

MEDIA CONTACT:
Kathryn Lovik
Director, Communications
763-540-1212