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
2008-05-13	SIMPSON, ROBERT G	SVP, Chief Financial Officer	普通株式	売却	212	$36.84
2008-05-13	ROBERTSON, GREG A	VP, Chief Accounting Officer	普通株式	売却	106	$36.84
2008-05-01	AARDSMA, DAVID A	Sr. VP, Sales and Marketing	普通株式	購入	5.1405	$0.00
2008-04-17	AARDSMA, DAVID A	Sr. VP, Sales and Marketing	普通株式	購入	5.3879	$0.00
2008-04-03	HARRIS, JEFF M	Senior Vice President	普通株式	売却	539	$34.65
2008-04-03	AARDSMA, DAVID A	Sr. VP, Sales and Marketing	普通株式	購入	4.8274	$0.00
2008-03-20	AARDSMA, DAVID A	Sr. VP, Sales and Marketing	普通株式	購入	3672	$0.00
2008-03-06	AARDSMA, DAVID A	Sr. VP, Sales and Marketing	普通株式	購入	3.132	$0.00
2008-03-05	ROBERTSON, GREG A	VP, Chief Accounting Officer	普通株式	売却	36	$33.48
2008-03-05	SIMPSON, ROBERT G	SVP, Chief Financial Officer	普通株式	売却	120	$33.48
2008-03-04	WITTENBRAKER, RICK L	SVP and General Counsel	普通株式	売却	265	$32.77
2008-03-04	ROBERTSON, GREG A	VP, Chief Accounting Officer	普通株式	売却	93	$32.77
2008-03-04	CALDWELL, BARRY H	Senior Vice President	普通株式	売却	318	$32.77
2008-03-04	HARRIS, JEFF M	Senior Vice President	普通株式	売却	108	$32.77
2008-03-04	ODONNELL, LAWRENCE III	President and COO	普通株式	売却	1,012	$32.77
2008-03-04	RICE, CHERIE C	Vice President and Treasurer	普通株式	売却	159	$32.77
2008-03-04	SIMPSON, ROBERT G	SVP, Chief Financial Officer	普通株式	売却	318	$32.77
2008-03-04	STEINER, DAVID P	Director, Chief Executive Officer	普通株式	売却	1,012	$32.77