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
2008-02-26	CARTER, SUSAN K	EVP & Chief Financial Officer	普通株式	売却	17,083	$38.80
2008-02-26	HOGAN, MARK ROLAND	EVP, Engineering	普通株式	売却	7,130	$38.80
2008-02-26	MOON, DAVID W	EVP, President & COO of WWR	普通株式	購入	8,523	$0.00
2008-02-25	MAJOR, JOHN E	Director	普通株式	売却	400	$38.32
2008-02-25	MAJOR, JOHN E	Director	普通株式	売却	100	$38.32
2008-02-25	MAJOR, JOHN E	Director	普通株式	売却	500	$38.31
2008-02-25	MAJOR, JOHN E	Director	普通株式	売却	400	$38.30
2008-02-25	MAJOR, JOHN E	Director	普通株式	売却	100	$38.28
2008-02-25	MAJOR, JOHN E	Director	普通株式	売却	400	$38.26
2008-02-25	MAJOR, JOHN E	Director	普通株式	売却	300	$38.47
2008-02-25	MAJOR, JOHN E	Director	普通株式	売却	200	$38.43
2008-02-25	MAJOR, JOHN E	Director	普通株式	売却	2,000	$38.35
2008-02-25	MAJOR, JOHN E	Director	普通株式	購入	13,131	$18.22
2008-02-25	MAJOR, JOHN E	Director	普通株式	売却	200	$38.43
2008-02-25	MAJOR, JOHN E	Director	普通株式	購入	13,131	$18.22
2008-02-25	MAJOR, JOHN E	Director	普通株式	売却	1,000	$38.42
2008-02-25	MAJOR, JOHN E	Director	普通株式	売却	400	$38.49
2008-02-25	MAJOR, JOHN E	Director	普通株式	売却	100	$38.41