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
2012-08-06	HANSEN, DAVID R	Sr VP Adminstration	普通株式	売却	24,342	$67.15
2012-08-06	MANGIERI, GEORGE J	VP & Chief Accounting Officer	普通株式	購入	2,595	$31.61
2012-08-06	HANSEN, DAVID R	Sr VP Adminstration	普通株式	売却	500	$500.00
2012-08-06	HANSEN, DAVID R	Sr VP Adminstration	普通株式	売却	939	$67.22
2012-05-29	CHAO, JAMES	Director, Chairman, 10% Owner, 10% Owner	普通株式	売却	200	$57.17
2012-05-29	CHAO, JAMES	Director, Chairman, 10% Owner, 10% Owner	普通株式	売却	1,500	$57.17
2012-05-29	CHAO, JAMES	Director, Chairman, 10% Owner, 10% Owner	普通株式	売却	500	$57.16
2012-05-29	CHAO, JAMES	Director, Chairman, 10% Owner, 10% Owner	普通株式	売却	1,271	$57.15
2012-05-29	CHAO, JAMES	Director, Chairman, 10% Owner, 10% Owner	普通株式	売却	800	$57.11
2012-05-29	CHAO, JAMES	Director, Chairman, 10% Owner, 10% Owner	普通株式	売却	2,800	$57.10
2012-05-29	CHAO, JAMES	Director, Chairman, 10% Owner, 10% Owner	普通株式	売却	100	$57.08
2012-05-29	CHAO, JAMES	Director, Chairman, 10% Owner, 10% Owner	普通株式	売却	1,100	$57.08
2012-05-29	CHAO, JAMES	Director, Chairman, 10% Owner, 10% Owner	普通株式	売却	1,300	$57.07
2012-05-29	CHAO, JAMES	Director, Chairman, 10% Owner, 10% Owner	普通株式	売却	1,829	$57.05
2012-05-29	CHAO, JAMES	Director, Chairman, 10% Owner, 10% Owner	普通株式	売却	600	$57.04
2012-05-29	TAYLOR, JEFFREY L	Sr VP, Polyethylene	普通株式	売却	800	$56.69
2012-05-29	TAYLOR, JEFFREY L	Sr VP, Polyethylene	普通株式	売却	700	$56.70
2012-05-29	TAYLOR, JEFFREY L	Sr VP, Polyethylene	普通株式	購入	7,678	$31.61