ADP. Vision. Commitment. Performance.

Automatic Data Processing, Inc. (Nasdaq: ADP), with about $10 billion in revenues and approximately 570,000 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 human resource, payroll, tax and benefits administration solutions from a single source.  ADP's easy-to-use 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, recreational vehicle, and heavy equipment 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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Investor information last updated February 2, 2012

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