Ceridian Corporation to Webcast Fourth Quarter 2003 Earnings Report.

Business Editors

MINNEAPOLIS--(BUSINESS WIRE)--Jan. 14, 2004

Investors are invited to listen to Ceridian Corporation's (NYSE:CEN) fourth quarter earnings teleconference live via the Internet at 10 a.m. (EST) on Thursday, January 22, 2004. The webcast can be accessed through the Investor Relations section of Ceridian's website at www.ceridian.com, or directly at http://www.ceridian.com/corp/ir/1,2684,10941,00.html

Ronald L. Turner, chairman, president and chief executive officer, and John R. (Jack) Eickhoff, executive vice president and chief financial officer, will present the results for the quarter.

Financial results will be released over Business Wire before the market opens on January 22, 2004. The press release will also be posted on the Company's website.

SUMMARY:

WHAT: Ceridian Corporation's fourth quarter 2003 earnings
    teleconference

DATE: 10 a.m. (EST) Wednesday, January 22, 2004

HOW: Investors can listen to a live webcast of Ceridian's earnings
    teleconference by visiting
    http://www.ceridian.com/corp/ir/1,2684,10941,00.html A replay of
    the call will also be available at the same address beginning at
    1:00 p.m. EST on January 22, 2004.

If you have any questions, call Craig Manson, Ceridian Corporation's vice president of investor relations, at 952/853-6022.

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 these markets, and offers a suite of innovative managed business solutions for HRMS, payroll, tax filing, application outsourcing, time and attendance, benefits administration and employee effectiveness services. 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.