MIAMI, Florida -- January 23, 2006 -- ADP TotalSource, Inc., part of ADP's Employer Services division and one of the nation's largest Professional Employer Organizations (PEOs), today announced it has entered California with the opening of seven offices in Los Angeles, Orange and San Bernardino counties.

ADP TotalSource now offers its complete human resources outsourcing services to small and medium-size businesses in southern California. ADP TotalSource's offices are located in Buena Park, Cerritos, Irvine, Long Beach, Rancho Cucamonga, Wilshire and Woodland Hills. The company currently operates 43 offices in 18 states that serve more than 5,400 client companies and 126,000 worksite employees.

"California's abundant small and medium-size entrepreneurial businesses make it an excellent growth market for the PEO industry," said Carlos Rodriguez, president of ADP TotalSource. "We have strong relationships with leading providers of health and welfare benefits in the state, making our offering very attractive to employers who want to provide a full suite of HR services and benefits that are necessary to attract and retain the best employees."

Rodriguez added, "We offer a proven solution to the complex human resources and administrative challenges faced by California's growing companies."

ADP TotalSource provides small and medium-size businesses with traditional and Internet-based outsourcing solutions to reduce the complexities and costs related to employment and human resources. The company's integrated employment-related services consist of human resources administration, regulatory and compliance management, safety and risk management, payroll administration, retirement plan services and employee benefits management. For more information about ADP TotalSource, call (800) 447-3237 or visit http://www.adptotalsource.com.

About ADP

Automatic Data Processing, Inc. (NYSE:ADP), with $8.5 billion in revenues and approximately 590,000 clients worldwide, is one of the largest providers of a broad range of premier, mission-critical, cost-effective transaction processing and information-based business solutions. ADP Employer Services (ES), a division of ADP, Inc., offers the widest range of HR, payroll and benefit administration solutions from a single source, to meet the extensive business needs of employers worldwide. Built with more than 50-years of industry experience, ADP ES' cost-effective, easy-to-use solutions provide superior value to companies of all sizes. More than 518,000 companies trust ADP ES for unparalleled service and compliance expertise, which allows them to focus on other core activities. For more information about ADP ES or to contact a local ADP sales office, call (800) 225-5237 or visit the company's Web site at http://www.adp.com.