Tennant Company Expands Chemical Free Cleaning, ec-H2O(TM) Available for New Markets


Green Technology Makes Water Behave Like a Powerful Detergent, Without Adding Chemicals

MINNEAPOLIS-January 21, 2009-Tennant Company (NYSE: TNC), a world leader in designing, manufacturing and marketing solutions that help create a cleaner, safer world, today announces that its breakthrough ec-H2O(TM) technology is now available on several of the Company's battery-powered rider scrubbers, including the Tennant T7 Micro-Rider, T15 Mid-Sized Scrubber and the Nobles Speed Scrub® Rider. ec-H2O converts plain tap water into a powerful cleaning agent without any added chemicals.

Tennant Company's ec-H2O technology was originally introduced in late 2007 on the Tennant T3, T5 and 5680/5700 and Nobles SpeedScrub walk-behind automatic scrubbers. Its extension to Rider Scrubbers helps to round out Tennant Company's portfolio of offerings to its growing commercial and light industrial customer base within aviation, distribution, education, food and beverage, healthcare, light manufacturing and retail applications.

"Tennant Company's ec-H2O technology has been very well received globally in a wide array of commercial and light industrial applications. We feel strongly that this extension to our battery-power scrubber portfolio is another step in delivering our customer commitment regarding the health, safety and environmental benefits of chemical-free cleaning," said Chris Killingstad, president and CEO of Tennant Company. "Our customers have told us that our ec-H2O technology is meeting a growing need for cleaning products and technologies that not only deliver powerful cleaning results but also support sustainable cleaning practices."

In 2008, ec-H2O was named by R&D Magazine as one of the most significant technological innovations of the year. Machines equipped with ecH2O deliver proven cleaning results without the negative environmental and health concerns associated with producing, packaging, transporting, using, and disposing of traditional cleaning chemicals. ec-H2O begins as water and ends as water, so it can be handled and disposed of easily and safely; it uses 70 percent less water than traditional cleaning methods, which increases scrub time up to three times per tank; it leaves behind no slippery detergent residue on the floor; and it releases no used detergent discharge into water systems. Eliminating the need for chemical additives enhances worker safety and reduces costs for purchasing and disposal of chemicals.

"Innovation like ec-H2O, now available on many of our Tennant and Nobles scrubbers, is the latest example of how Tennant Company engineering is changing the way global businesses are maintaining our environment," said Killingstad. "Based on market acceptance of ec-H2O, we continue to look for ways to expand its availability to additional products in our portfolio."

About Nobles

Engineered by Tennant Company, Nobles®-branded products offer cleaning professionals the rugged, easy-to-use tools they need to deliver effective cleaning results every time. With more than 400 distributors throughout North America, Nobles products are widely used by cleaning personnel and professional contractors in the educational, health care, retail, government, and commercial office industries. For more information on Nobles, visit www.nobles.com.

About Tennant

Engineered by Tennant Company, Tennant-branded products help cleaning professionals be leaders in creating healthy, safe, and attractive environments. Tennant is recognized as a world-leading manufacturer of indoor and outdoor cleaning solutions and specialty coatings. Tennant's industrial and commercial sweepers, scrubbers, coatings, detergents, carpet cleaning equipment, vacuums, floor machines, burnishers and more deliver award-winning cleaning solutions to a number of industries, including education, healthcare, hospitality, retail, manufacturing, warehousing, and government. For more information on Tennant, visit www.tennantco.com.

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 specialty surface 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 and Falkirk, United Kingdom; Sao 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.

Patty Gibbs

Patty Gibbs & Company

651-653-7302

patty@pattygibbscompany.com

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