Exhibit 99.2

Pershing Square L.P.

Tran Code			Security			Trade Date			Settle Date			Quantity						Unit Cost						Trade Amount
BUY			CERIDIAN CORPORATION			June 4, 2007			June 7, 2007					37,658					$	35.44					$	1,334,562
BUY			CERIDIAN CORPORATION			June 4, 2007			June 7, 2007					42,229					$	35.42					$	1,495,722
BUY			CERIDIAN CORPORATION			June 5, 2007			June 8, 2007					139,796					$	35.31					$	4,936,085
BUY			CERIDIAN CORPORATION			June 5, 2007			June 8, 2007					19,208					$	35.31					$	678,323

Pershing Square International Ltd.

Tran Code			Security			Trade Date			Settle Date			Quantity						Unit Cost						Trade Amount
BUY			CERIDIAN CORPORATION			June 4, 2007			June 7, 2007					202,507					$	35.44					$	7,176,646
BUY			CERIDIAN CORPORATION			June 4, 2007			June 7, 2007					227,086					$	35.42					$	8,043,227
BUY			CERIDIAN CORPORATION			June 5, 2007			June 8, 2007					183,154					$	35.31					$	6,467,021
BUY			CERIDIAN CORPORATION			June 5, 2007			June 8, 2007					25,166					$	35.31					$	888,727

Pershing Square II, L.P.

Tran Code			Security			Trade Date			Settle Date			Quantity						Unit Cost						Trade Amount
BUY			CERIDIAN CORPORATION			June 4, 2007			June 7, 2007					9,835					$	35.44					$	348,543
BUY			CERIDIAN CORPORATION			June 4, 2007			June 7, 2007					11,029					$	35.42					$	390,639
BUY			CERIDIAN CORPORATION			June 5, 2007			June 8, 2007					2,050					$	35.31					$	72,384
BUY			CERIDIAN CORPORATION			June 5, 2007			June 8, 2007					282					$	35.31					$	9,959