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
2010-03-12	MILLER, DARREN B	VP - IT & Administration	普通株式	購入	6,685	$0.00
2010-03-12	JENSEN, DERRICK A	V.P. & CAO	普通株式	購入	10,027	$0.00
2010-03-12	HADDOX, JAMES H	Chief Financial Officer	普通株式	購入	21,132	$0.00
2010-03-12	GRINDSTAFF, NICHOLAS M	Treasurer	普通株式	購入	3,342	$0.00
2010-03-12	COLSON, JOHN R	Director, Chief Executive Officer	普通株式	購入	75,039	$0.00
2010-03-12	BOSCO, BENADETTO G	Senior Vice President	普通株式	購入	2,480	$0.00
2010-03-12	AUSTIN, EARL C. JR.	Pres.-Natural Gas-Pipeline Div	普通株式	購入	17,544	$0.00
2010-03-12	WILSON, JOHN R /MO/	Director, Pre. - Electric Power Div.	普通株式	購入	20,054	$0.00
2010-03-03	COLSON, JOHN R	Director, Chief Executive Officer	普通株式	売却	5,900	$19.25
2010-03-03	COLSON, JOHN R	Director, Chief Executive Officer	普通株式	売却	1,300	$19.05
2010-03-03	COLSON, JOHN R	Director, Chief Executive Officer	普通株式	売却	500	$19.06
2010-03-03	COLSON, JOHN R	Director, Chief Executive Officer	普通株式	売却	1,200	$19.07
2010-03-03	COLSON, JOHN R	Director, Chief Executive Officer	普通株式	売却	1,300	$19.08
2010-03-03	COLSON, JOHN R	Director, Chief Executive Officer	普通株式	売却	2,600	$19.10
2010-03-03	COLSON, JOHN R	Director, Chief Executive Officer	普通株式	売却	4,100	$19.13
2010-03-03	COLSON, JOHN R	Director, Chief Executive Officer	普通株式	売却	13,300	$19.15
2010-03-03	COLSON, JOHN R	Director, Chief Executive Officer	普通株式	売却	9,600	$19.16
2010-03-03	COLSON, JOHN R	Director, Chief Executive Officer	普通株式	売却	800	$19.18