Automatic Data Processing Declares Regular Quarterly Dividend

ADP Investor Relations
(973) 974-5858

ROSELAND, New Jersey -- August 14, 2008 - The board of directors of Automatic Data Processing, Inc. (NYSE:ADP) has declared a regular quarterly dividend of 29 cents per share payable October 1, 2008 to shareholders of record on September 12, 2008.

Automatic Data Processing, Inc. (NYSE: ADP), with nearly $9 billion in revenues and over 585,000 clients, is one of the world's largest providers of business outsourcing solutions. Leveraging nearly 60 years of experience, ADP offers a wide range of HR, payroll, tax and benefits administration solutions from a single source. ADP's easy-to-use, cost-effective solutions for employers provide superior value to companies of all types and sizes. ADP is also a leading provider of integrated computing solutions to auto, truck, motorcycle, marine and recreational vehicle dealers throughout the world. For more information about ADP or to contact a local ADP sales office, reach us at 1.800.225.5237 or visit the company's Web site at www.ADP.com.

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