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
2011-07-15	HODGES, GEORGE W	Director, Chairman of Board	普通株式	購入	0.497	$17.28
2011-07-15	WATERS, ERNEST J	Director	普通株式	購入	0.802	$16.68
2011-07-15	STRINE, JOHN H	Vice President - Operations	普通株式	購入	35.893	$16.68
2011-07-15	BRACEY, VERNON L	Vice President - Customer Svc	普通株式	購入	0.304	$16.68
2011-07-15	SNYDER, MARK S	Vice President - Engineering	普通株式	購入	2.367	$16.68
2011-07-15	DOTZEL, CYNTHIA	Director	普通株式	購入	40.449	$16.68
2011-07-15	FINLAYSON, JOHN L	Director	普通株式	購入	173.444	$16.68
2011-07-15	GANG, MICHAEL W	Director	普通株式	購入	69.438	$16.68
2011-07-15	OSMAN, JEFFREY S	Director	普通株式	購入	2.456	$16.68
2011-07-15	RASMUSSEN, STEVEN R	Director	普通株式	購入	0.29	$16.68
2011-07-15	BRACEY, VERNON L	Vice President - Customer Svc	普通株式	購入	0.149	$16.68
2011-07-15	BRACEY, VERNON L	Vice President - Customer Svc	普通株式	購入	4.723	$16.68
2011-07-15	HAND, JOSEPH THOMAS	Chief Operating Officer	普通株式	購入	0.687	$16.68
2011-07-15	HAND, JOSEPH THOMAS	Chief Operating Officer	普通株式	購入	0.32	$16.68
2011-07-06	HAND, JOSEPH THOMAS	Chief Operating Officer	普通株式	購入	4.526	$16.57
2011-07-06	HAND, JOSEPH THOMAS	Chief Operating Officer	普通株式	購入	635	$16.57
2011-07-06	HAND, JOSEPH THOMAS	Chief Operating Officer	普通株式	購入	318	$16.57
2011-06-15	HAND, JOSEPH THOMAS	Chief Operating Officer	普通株式	購入	11.937	$16.75