Insider Transactions

Date	Filer	Title	Filing	Type	Shares Traded	Price	Total Held
May 10, 2006	JOHNSTON PETER D Senior Vice President	Senior Vice President	Form 4	Open market or private sale of non-derivative or derivative security	600	$90.01	11,869
May 10, 2006	JOHNSTON PETER D Senior Vice President	Senior Vice President	Form 4	Open market or private sale of non-derivative or derivative security	503	$90.00	11,366
May 10, 2006	JOHNSTON PETER D Senior Vice President	Senior Vice President	Form 4	Exercise or conversion of derivative security exempted pursuant to Rule 16b-3	25,903	$29.38	37,269
May 10, 2006	JOHNSTON PETER D Senior Vice President	Senior Vice President	Form 4	Open market or private sale of non-derivative or derivative security	2,400	$90.38	34,869
May 10, 2006	JOHNSTON PETER D Senior Vice President	Senior Vice President	Form 4	Open market or private sale of non-derivative or derivative security	400	$90.37	34,469
May 10, 2006	JOHNSTON PETER D Senior Vice President	Senior Vice President	Form 4	Open market or private sale of non-derivative or derivative security	1,600	$90.36	32,869
May 10, 2006	JOHNSTON PETER D Senior Vice President	Senior Vice President	Form 4	Open market or private sale of non-derivative or derivative security	100	$90.34	32,769
May 10, 2006	JOHNSTON PETER D Senior Vice President	Senior Vice President	Form 4	Open market or private sale of non-derivative or derivative security	500	$90.33	32,269
May 10, 2006	JOHNSTON PETER D Senior Vice President	Senior Vice President	Form 4	Open market or private sale of non-derivative or derivative security	200	$90.32	32,069
May 10, 2006	JOHNSTON PETER D Senior Vice President	Senior Vice President	Form 4	Open market or private sale of non-derivative or derivative security	200	$90.31	31,869

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.