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
2008-03-18	SPO, ADVISORY CORP	10% Owner	普通株式	購入	600	$33.86
2008-03-18	SPO, ADVISORY CORP	10% Owner	普通株式	購入	300	$33.85
2008-03-18	SPO, ADVISORY CORP	10% Owner	普通株式	購入	500	$33.84
2008-03-18	SPO, ADVISORY CORP	10% Owner	普通株式	購入	600	$34.44
2008-03-18	SPO, ADVISORY CORP	10% Owner	普通株式	購入	1,200	$34.42
2008-03-18	SPO, ADVISORY CORP	10% Owner	普通株式	購入	1,200	$34.40
2008-03-18	SPO, ADVISORY CORP	10% Owner	普通株式	購入	600	$34.33
2008-03-18	SPO, ADVISORY CORP	10% Owner	普通株式	購入	1,200	$33.83
2008-03-18	SPO, ADVISORY CORP	10% Owner	普通株式	購入	3,700	$34.45
2008-03-18	SPO, ADVISORY CORP	10% Owner	普通株式	購入	500	$33.76
2008-03-18	SPO, ADVISORY CORP	10% Owner	普通株式	購入	600	$33.82
2008-03-18	SPO, ADVISORY CORP	10% Owner	普通株式	購入	300	$33.77
2008-03-03	ISTRE, KEITH A	Chief Financial Officer	普通株式	売却	1,100	$38.06
2008-03-03	ISTRE, KEITH A	Chief Financial Officer	普通株式	売却	1,903	$38.15
2008-03-03	ISTRE, KEITH A	Chief Financial Officer	普通株式	売却	300	$38.23
2008-03-03	ISTRE, KEITH A	Chief Financial Officer	普通株式	売却	5,000	$38.45
2008-03-03	ISTRE, KEITH A	Chief Financial Officer	普通株式	売却	5,208	$38.05
2008-03-03	ISTRE, KEITH A	Chief Financial Officer	普通株式	購入	24,140	$33.38