Tennant Company Closes Acquisition of Alfa Cleaning Equipment Manufacturer

Tennant Company (NYSE: TNC), a world leader in designing, manufacturing and marketing solutions that help create a cleaner, safer world, today announced that it has completed its acquisition of Sociedade Alfa Ltda., maker of the Alfa brand commercial cleaning machines. Terms of the agreement were not disclosed. Sociedade Alfa Ltda., based in Sao Paulo, Brazil, with 2007 revenues of roughly $9 million (USD), is recognized as the Brazilian market leader in the cleaning industry. Alfa manufactures and sells commercial cleaning equipment that includes commercial ride-on scrubbers, ride-on sweepers and walk-behind scrubbers. Sociedade Alfa’s low cost commercial cleaning equipment, strong distribution channel and highly-respected service organization complement the strong line of Tennant’s industrial products and specialty coatings to provide an enhanced range of options in the Latin America market, and create a tremendous foundation for growth. This is the second acquisition announced by Tennant Company in 2008. The company recently announced its acquisition of Applied Sweepers, maker of Green Machines® brand outdoor cleaning equipment, based in Falkirk, Scotland. About Tennant Company 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 Company's global field service network is the most extensive in the industry. Tennant Company 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. About Sociedade Alfa Ltda. Established in 1944, Sociedade Alfa Ltda. has established its market position through a network of distributors and dealers in Brazil and other parts of South America. Manufacturer of the Alfa line of equipment, the company employs approximately 90 people among its three locations. Forward-Looking Statements Certain statements contained in this document as well as other written and oral statements made by us from time to time are considered "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act. These statements do not relate to strictly historical or current facts and provide current expectations or forecasts of future events. Any such expectations or forecasts of future events are subject to a variety of factors. These include factors that affect all businesses operating in a global market as well as matters specific to us and the markets we serve. Particular risks and uncertainties that may affect the forward-looking statements in this release include: geopolitical and economic uncertainty throughout the world; the potential for increased competition in our business; fluctuations in the cost or availability of raw materials and purchased components; the success and timing of new products; our ability to achieve projections of future financial and operating results; successful integration of acquisitions, including the ability to carry acquired goodwill at current values; the parties’ abilities to complete the transaction described in this release; and our plans for growth. We caution that forward-looking statements must be considered carefully and that actual results may differ in material ways due to risks and uncertainties both known and unknown. Shareholders, potential investors and other readers are urged to consider these factors in evaluating forward-looking statements and are cautioned not to place undue reliance on such forward-looking statements. For additional information about factors that could materially affect Tennant's results, please see our other Securities and Exchange Commission filings, including disclosures under "Risk Factors." We do not undertake to update any forward-looking statement, and investors are advised to consult any further disclosures by us on this matter in our filings with the Securities and Exchange Commission and in other written statements we make from time to time. It is not possible to anticipate or foresee all risk factors, and investors should not consider any list of such factors to be an exhaustive or complete list of all risks or uncertainties.