Ceridian Names Greg Hawes Senior Vice President of Account Management

May 22, 2007

(MINNEAPOLIS) - May 22, 2007 - Ceridian Corporation (NYSE: CEN) has named Greg Hawes senior vice president of HR/Payroll account management, where he will lead the account executive team.

Prior to Ceridian, Hawes held leadership roles at Monster Worldwide. Before Monster he worked at Automatic Data Processing (ADP) for more than 12 years in a variety of sales leadership positions.

Hawes is a native of Westport, Conn. and has a bachelor's degree in accounting from Bryant University in Rhode Island and a master's degree in finance from Fairfield University in Fairfield, Conn.

About Ceridian
Ceridian is changing the world of work by enabling companies to be free to succeed in their core business through its suite of innovative managed human resource solutions that include payroll and compensation, staffing, compliance, HR administration and employee effectiveness. Our wide range of HR, payroll, work-life and benefits services are designed to help companies maximize the value of their people. Ceridian Corporation (NYSE: CEN) is an information services company serving businesses and employees in the United States, Canada and Europe. For more information about the human resource outsourcing company's comprehensive array of solutions, visit www.myceridian.com or call (800) 729-7655.