Tennant Company to Webcast First Quarter Conference Call

Tennant Company (NYSE: TNC) announced today that the company will report its 2011 first quarter results on Thursday, April 21, 2011. The company will conduct a conference call to discuss the results at 10:00 a.m. Central Time on April 21. The company’s results announcement will be issued before the call and will be posted under the Investor Relations section of Tennant’s website at www.tennantco.com. The conference call will be available via webcast under the Investor Relations section of Tennant’s website. 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, healthier world. Its products include equipment for maintaining surfaces in industrial, commercial and outdoor environments; chemical-free and other sustainable cleaning technologies; and specialty surface coatings for protecting, repairing and upgrading floors. Tennant's global field service network is the most extensive in the industry. Tennant has manufacturing operations in Minneapolis, Minn.; Holland, Mich.; Louisville, Ky.; Uden, The Netherlands; the United Kingdom; São Paulo, Brazil; 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.