ADP Automatic Data Processing Inc

ADP ®, a leading provider of outsourced HR, payroll and benefits administration services, is the most admired financial data services company, according to FORTUNE magazine's annual survey of the World's Most Admired Companies. ADP posted the highest average industry ranking and was rated first in the categories of Financial Soundness, Long-Term Investment and Use of Corporate Assets. The Most Admired Companies List is the definitive report card on corporate reputations.

"We are honored to be ranked as the top financial data services company by our peers," said Gary Butler, President and CEO of ADP. "This prominent recognition is a testament to the individual and team contributions of all our associates who work tirelessly to maximize their potential, resulting in superior service and innovative solutions for our clients."

This is the fifth consecutive year that ADP has been recognized in FORTUNE's Most Admired Companies survey. This year, ADP attained the top spot in its industry after being ranked second in 2009.

FORTUNE magazine partners with Hay Group to conduct the annual survey of executives, directors, and analysts who are asked to rate 1,400 companies on nine key attributes of reputation. Only the top five companies in each industry category are ranked as the "most admired" companies. The World's Most Admired Companies survey results are featured in the March 22 issue of FORTUNE, accessible online at http://money.cnn.com/magazines/fortune/mostadmired/2010/industries/17.html.

About ADP

Automatic Data Processing, Inc. (NASDAQ: ADP), with nearly $9 billion in revenue and about 570,000 clients, is one of the world's largest providers of business outsourcing solutions. Leveraging 60 years of experience, ADP offers the widest range of HR, 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 and recreational vehicle dealers throughout the world. For more information about ADP or to contact a local ADP sales office, phone 1.800.225.5237 or visit the company's Web site at www.ADP.com.

For more information, contact: Kelly Shanley (973) 974-7612 public_relations@adp.com Kate Finnerty Cohn & Wolfe for ADP (212) 798-9861 kate.finnerty@cohnwolfe.com