ADP Dealer Services Achieves National Advanced Technology Partner Award From Cisco Systems, Inc.

HOFFMAN ESTATES, Ill., May 4, 2005 -- ADP Dealer Services today announced it was named National Vertical Partner of the Year during The Cisco Partner Summit 2005. This award recognizes ADP for its national presence and outstanding performance in sales, marketing, installation and support of Cisco solutions and applications in a vertical market. ADP is one of Cisco's highest volume network and IP Telephony partners in the auto and truck retail markets.

"Our channel partners are critical to our success," said Chuck Robbins, vice president of U.S. Channels, Cisco Systems. "At our annual Partner Summit, I had the privilege of recognizing our top channel partner performers for 2004. I would like to congratulate ADP Dealer Services on an award-winning year."

"We are proud to be chosen for this honor," said Joe Bihner, division vice president of ADP Dealer Services. "It validates our continued commitment to invest in voice and data networking competence, develop value-added applications, and provide our customers with proven technology solutions and world-class service and support."

About ADP Dealer Services

ADP Dealer Services provides integrated computing solutions to 19,500 auto, truck, motorcycle, marine and recreational vehicle dealers throughout the United States, Canada and Europe. ADP Dealer Services is the third largest business unit of Automatic Data Processing, Inc. . ADP, with approximately $8 billion in revenues and 550,000 clients, is one of the largest providers of a broad range of premier mission-critical, cost effective transaction processing and information-based business solutions in selected markets on a global basis. More information on ADP Dealer Services is available on the Internet at http://www.dealersuite.com/ .

ADP is a registered trademark of ADP of North America, Inc.