Ceridian Names New Leaders To Head Its Technology and Human Resources Functions

December 18, 2006

MINNEAPOLIS (December 18, 2006) - Ceridian Corporation (NYSE: CEN) has named Perry Cliburn as its new executive vice president and Chief Technology Officer and Kairus Tarapore as its new executive vice president of Human Resources.

Cliburn formerly was senior vice president and Chief Information Officer for Hewitt Associates, Inc. Prior to Hewitt he held senior technology leadership positions at First Data and Arthur Andersen. Cliburn replaces Robert Severson, Ceridian's senior vice president of corporate technology, who is retiring at the end of 2006. Tarapore formerly was senior vice president of Global Quality for GE Fleet Services. In previous roles at GE, he served in a number of human resource leadership roles in the United States, Canada and India. Both will report to Kathyrn V. Marinello, Ceridian's president and chief executive officer.

"Perry's experience and expertise with technology infrastructure in the HR industry will assist us with delivering repeatable and reliable service to our customers," said Marinello. "And Kairus brings significant experience in both human resources and in quality initiatives. We are very excited about the addition of both of them to our leadership team. I would also like to thank Bob Severson for his dedication and many contributions to Ceridian during his time here. We wish him the very best in his retirement."

Cliburn is a native of Mississippi and received his bachelor's and master's degrees from Mississippi State University. Tarapore holds a bachelor's degree from Sydenham College, University of Bombay, India and a master's degree from XLRI, India.

Ceridian Corporation (www.ceridian.com) is an information services company serving businesses and employees in the United States, Canada and Europe. Ceridian is one of the top human resources outsourcing companies in each of its markets, and offers a broad range of human resource services, including payroll, benefits administration, tax compliance, HR information systems and employee advisory programs. Through its Comdata subsidiary, Ceridian is a major payment processor and issuer of credit cards, debit cards and stored value cards, primarily for the trucking and retail industries in the United States.