自社株取引日	役員・従業員名	役員・従業員の役職	株式の種類	売却／購入	株数	株価
2008-07-01	SCHWARTZ, ALAN G	Director	普通株式	購入	43.2526	$115.60
2008-07-01	RIEDERER, RICHARD K	Director	普通株式	購入	43.2526	$115.60
2008-07-01	CUNNINGHAM, SUSAN M	Director	普通株式	購入	43.2526	$115.60
2008-06-26	HARBINGER, CAPITAL PARTNERS SPECIAL SITUATIONS FUND, L.P.	10% Owner, * See Remarks	普通株式	購入	250,000	$108.81
2008-06-25	HARBINGER, CAPITAL PARTNERS SPECIAL SITUATIONS FUND, L.P.	10% Owner, * See Remarks	普通株式	購入	250,000	$112.22
2008-06-24	HARBINGER, CAPITAL PARTNERS SPECIAL SITUATIONS FUND, L.P.	10% Owner, *See Remarks	普通株式	購入	250,000	$114.41
2008-06-23	HARBINGER, CAPITAL PARTNERS SPECIAL SITUATIONS FUND, L.P.	10% Owner, *See Remarks	普通株式	購入	250,000	$110.13
2008-05-30	HARBINGER, CAPITAL PARTNERS SPECIAL SITUATIONS FUND, L.P.	10% Owner, * See Remarks	普通株式	購入	167,000	$104.75
2008-05-28	HARBINGER, CAPITAL PARTNERS SPECIAL SITUATIONS FUND, L.P.	10% Owner, * See Remarks	普通株式	購入	820,000	$102.33
2008-05-28	GALLAGHER, DONALD J	Pres. N. Am. Iron Ore	普通株式	売却	100	$0.00
2008-05-27	HARBINGER, CAPITAL PARTNERS SPECIAL SITUATIONS FUND, L.P.	10% Owner, * See Remarks	普通株式	購入	750,000	$95.26
2008-05-23	CARRABBA, JOSEPH A	Director, Chairman, Pres. & CEO	普通株式	売却	2,125	$92.84
2008-05-23	HARBINGER, CAPITAL PARTNERS MASTER FUND I, LTD.	10% Owner, * See Remarks	普通株式	購入	147,019	$92.57
2008-05-23	HARBINGER, CAPITAL PARTNERS MASTER FUND I, LTD.	10% Owner, * See Remarks	普通株式	購入	452,981	$92.57
2008-05-22	HARBINGER, CAPITAL PARTNERS MASTER FUND I, LTD.	10% Owner, * See Remarks	普通株式	購入	333,333	$92.92
2008-05-22	HARBINGER, CAPITAL PARTNERS MASTER FUND I, LTD.	10% Owner, * See Remarks	普通株式	購入	166,667	$92.92
2008-05-21	BOOR, WILLIAM C	Sr. Vice Pres., Bus. Devel.	普通株式	売却	1,065	$95.36
2008-05-19	GALLAGHER, DONALD J	Pres. N. Am. Iron Ore	普通株式	売却	300	$100.54