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.

	Directors and Officers
	Stock Quote & Graphs
	Dividend History
	Stock Split Information
	Reportable Segment Financial Data
	Financial History
	Stock Transfer Agent and Registrar
	Direct Registration System
	Electronic Distribution of Stockholder Information
	(including proxy materials)

Investor information last updated May 16, 2012