MILWAUKEE, April 21, 2011 – ARI (OTCBB: ARIS), a leading provider of technology-enabled business solutionsthat help dealers, distributors and manufacturers in selected vertical markets increase revenue and reduce costs, announced today that it has expanded its offering of OPE manufacturer parts catalogs on PartSmart to include Hydro-Gear’s complete product line.

Under the exclusive three-year agreement, Hydro-Gear, Sullivan, Ill., will provide ARI with the parts, pricing and support data for its line of high-performance hydrostatic transmission, gear reduction drives, piston pumps, wheel motors and accessories used on residential and commercial riding and walk-beyond mowers. ARI will manage, convert, publish, support and distribute the data.  The catalog is available today, and will be updated quarterly.

“As one of the leading manufacturers of hydrostatic drive systems, we recognize the importance of providing our dealers with easy access to the most up-to-date parts and pricing information, ” said Mike McCoy, Vice President of Sales and Marketing at Hydro-Gear. “We selected ARI because PartSmart is the de facto standard for parts lookup software in the outdoor power industry and, as a result, the majority of our dealers are already using PartSmart today. PartSmart will help our more than 9, 400 dealers worldwide improve their productivity.”

PartSmart  is ARI’s premier parts lookup software known to more than 50, 000 users worldwide. It provides the fastest way to find the right part the first time, featuring a contemporary Windows user interface that offers more information with fewer keystrokes and mouse clicks. PartSmart interfaces with more than 90 dealer business management systems to drive even more efficiency. PartSmart offers time-saving features, including easy navigation, a single log in, a single and familiar user interface, updates via the Internet, and thumbnail browsing.

“We are confident that dealers will welcome the addition of Hydro-Gear to PartSmart’s library of more than 100 catalogs, ” said Roy W. Olivier, President and Chief Executive Officer at ARI. “We are committed to working with Hydro-Gear to provide their dealers with the tools they need to improve efficiency, drive sales and increase profits.”

About Hydro-Gear

Based in Sullivan, Ill., Hydro-Gear is a world leader in the design, manufacture, sale and service of quality hydrostatic drive systems for the lawn and garden industry. Hydro-Gear produces high-performance hydrostatic transmission, gear reduction drives, piston pumps, wheel motors and accessories for both the consumer and commercial markets.

Hydro-Gear works with Original Equipment Manufacturers worldwide and has distributors in the U.S., Europe, South America, Canada, Australia, the Middle East, Asia and the Pacific Rim.

For more information on Hydro-Gear, please visit www.hydro-gear.com.

About ARI

ARI Network Services, Inc. (“ARI”) was incorporated in Wisconsin in 1981 and is a leading innovator of products and solutions that serve several vertical markets with a focus on the outdoor power, power sports, marine, RV, and appliance segments. Products and services include eCommerce-enabled websites, lead generation/lead management services, search engine marketing, and electronic catalogs (parts, garments, and accessories).

ARI markets its products and services through multiple sales channels and geographic markets serving approximately 18, 000 equipment dealers, 125 manufacturers, and 150 distributors worldwide. ARI has customers in over 100 countries with the primary market being the Americas served by multiple U.S. offices. The company also has a sales and service office in the Netherlands serving the EMEA and APAC markets.

For more information on ARI, please visit our Website at www.arinet.com.

For More Information, contact

Jon M. Lintvet, Chief Marketing Officer, +1-414-973-4300,  Jon.Lintvet@arinet.com