X0202 3 2005-12-09 0 0001124887 CERIDIAN CORP /DE/ CEN 0001347019 Severson Robert J CERIDIAN CORPORATION 3311 EAST OLD SHAKOPEE ROAD MINNEAPOLIS MN 55425 0 1 0 0 Senior Vice President Common Stock 11482 D Common Stock 151 I 401(k) Employee Stock Option (Right to Buy) 17.33 2001-01-05 2008-01-05 Common Stock 10012 D Employee Stock Option (Right to Buy) 18.11 2005-01-29 2007-01-29 Common Stock 40000 D Employee Stock Option (Right to Buy) 14.55 2006-01-21 2008-01-21 Common Stock 26665 D Employee Stock Option (Right to Buy) 20.56 2007-01-31 2009-01-31 Common Stock 20000 D Employee Stock Option (Right to Buy) 18.16 2008-02-24 2010-02-24 Common Stock 26665 D Employee Stock Option (Right to Buy) 18.61 1999-10-03 2006-10-03 Common Stock 12121 D Employee Stock Option (Right to Buy) 17.33 2001-10-01 2008-01-05 Common Stock 13468 D Employee Stock Option (Right to Buy) 21.32 2001-10-01 2008-09-18 Common Stock 13468 D Employee Stock Option (Right to Buy) 20.35 2001-10-21 2008-10-21 Common Stock 13468 D Employee Stock Option (Right to Buy) 14.80 2002-10-20 2009-10-20 Common Stock 10101 D Employee Stock Option (Right to Buy) 20.35 2001-02-15 2008-10-21 Common Stock 13468 D Employee Stock Option (Right to Buy) 14.80 2002-02-15 2009-10-20 Common Stock 10101 D Option fully vested on this date. As of 01/21/2005, 17,777 shares have vested. The remaining 8,888 shares will vest on January 21, 2006. As of 01/31/2005, 6,667 shares have vested. The remaining shares vest 6,667 shares on 01/31/2006 and 6,666 shares on 01/31/2007. This option vests 8,889 shares on 02/24/2006, 8,888 shares on 02/24/2007 and 8,888 shares on 02/24/2008. Robert J. Severson 2005-12-15