ADP Automatic Data Processing Inc

The board of directors of Automatic Data Processing, Inc.(Nasdaq:ADP) approved a 6% increase in the cash dividend to an annual rate of $1.44 per share, Gary C. Butler, president and chief executive officer, announced today.

The new quarterly dividend of 36 cents per share compares with the previous quarterly dividend rate of 34 cents per share. This increased quarterly dividend will be distributed on January 1, 2011 to shareholders of record at December 10, 2010.

The increased cash dividend marks the 36th consecutive year in which the company has raised its dividend.

Automatic Data Processing, Inc. (Nasdaq:ADP), with nearly $9 billion in revenues and about 550,000 clients, is one of the world's largest providers of business outsourcing solutions. Leveraging over 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.

CONTACT:  Automatic Data Processing, Inc.
          Investor Relations
          973.974.5858