Tennant to Webcast First Quarter Conference Call

MINNEAPOLIS--(Business Wire)--
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.

Tennant Company
Investor Contact:
Tom Paulson, 763-540-1204
Vice President and Chief Financial Officer
or
Media Contact:
Kathryn Lovik, 763-540-1212
Director, Communications

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