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
2010-04-01	DEMSHUR, DAVID M	Director, Chief Executive Officer	譲渡制限付株式ユニット	購入	13,800	$0.00
2010-04-01	SCHOUTEN, JACOBUS	Director	譲渡制限付株式ユニット	購入	765	$0.00
2010-03-01	MILLER, CHARLES BRIGHAM	Chief Accounting Officer	普通株式	売却	66	$124.37
2010-03-01	MILLER, CHARLES BRIGHAM	Chief Accounting Officer	譲渡制限付株式ユニット	売却	200	$0.00
2010-03-01	ELVIG, MARK F	VP, Counsel & Secretary	普通株式	購入	100	$0.00
2010-03-01	ELVIG, MARK F	VP, Counsel & Secretary	普通株式	売却	33	$124.37
2010-03-01	ELVIG, MARK F	VP, Counsel & Secretary	譲渡制限付株式ユニット	売却	100	$0.00
2010-03-01	DAVIS, MONTY L	Chief Operating Officer	普通株式	購入	1,100	$0.00
2010-03-01	DAVIS, MONTY L	Chief Operating Officer	普通株式	売却	315	$124.37
2010-03-01	DAVIS, MONTY L	Chief Operating Officer	譲渡制限付株式ユニット	売却	1,100	$0.00
2010-03-01	BERGMARK, RICHARD L	Director, EVP, CFO & Treasurer	普通株式	購入	1,100	$0.00
2010-03-01	BERGMARK, RICHARD L	Director, EVP, CFO & Treasurer	普通株式	売却	315	$124.37
2010-03-01	BERGMARK, RICHARD L	Director, EVP, CFO & Treasurer	譲渡制限付株式ユニット	売却	1,100	$0.00
2010-03-01	MILLER, CHARLES BRIGHAM	Chief Accounting Officer	普通株式	購入	200	$0.00
2010-02-17	BERGMARK, RICHARD L	Director, EVP, CFO & Treasurer	普通株式	売却	10,454	$122.91
2010-02-17	BERGMARK, RICHARD L	Director, EVP, CFO & Treasurer	普通株式	売却	24,546	$123.36
2010-02-16	DEMSHUR, DAVID M	Director, Chief Executive Officer	普通株式	売却	5,178	$124.10
2010-02-16	DEMSHUR, DAVID M	Director, Chief Executive Officer	普通株式	売却	2,602	$122.91