Ceridian CEO To Give Keynote Address At 2005 Corporate Voices For Working Families Annual Meeting.

Who:   Ronald L. Turner, Chairman, President and Chief Executive
           Officer, Ceridian Corporation

    What:  Turner will present on, "the need to make the connection
           between support for working families and improved
           productivity and economic growth." As CEO of one of the
           largest providers of employee assistance and work-life
           programs, he will provide insight on why business and
           government leadership needs to recognize that successful
           working families are essential to organizational success
           and competitiveness. He will urge corporate leaders to
           focus on the issues of childcare, elder care and schedule
           flexibility to retain and motivate their most important
           asset: their people.

    When:  12:45 p.m. EDT, Tuesday, June 7, 2005

    Where: Hotel Sofitel, Washington, D.C.

    How:   Interviews with Turner and other Ceridian work-life experts
           can be arranged in advance via Ceridian's media contact.

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. Ceridian Corporation (NYSE:CEN) is an information services company serving businesses and employees in the United States, Canada and Europe. For more information about Ceridian's comprehensive array of human resource solutions, visit www.myceridian.com or call [phone].