

This ceremony marks the switch of ADP's listing from The New York Stock Exchange to The NASDAQ Stock Market, an exchange of The NASDAQ OMX Group, Inc., effective October 21, 2008. ADP will be listed on The NASDAQ Global Select Market and trade on the exchange with the ticker symbol "ADP."
About Automatic Data Processing, Inc.:
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, call 1.800.225.5237 or visit the company's Web site at www.ADP.com.