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
2013-01-31	DEBENEDICTIS, NICHOLAS	Director, CHAIRMAN & PRESIDENT	普通株式	売却	60,225	$27.29
2013-01-29	DEBENEDICTIS, NICHOLAS	Director, CHAIRMAN & PRESIDENT	普通株式	売却	49	$27.01
2013-01-24	ROSS, WILLIAM C	Sr. VP Engineering and Environ	普通株式	売却	103	$27.00
2013-01-24	ROSS, WILLIAM C	Sr. VP Engineering and Environ	普通株式	売却	103	$27.00
2013-01-22	ROSS, WILLIAM C	Sr. VP Engineering and Environ	普通株式	購入	10,666	$18.33
2013-01-22	LUNING, CHRISTOPHER PAUL	Sr. VP, General Counsel & Sec	普通株式	売却	1,074	$27.00
2013-01-22	KYRISS, KARL	Exec. VP/ Pres. Cap Ventures	普通株式	売却	1,792	$27.00
2013-01-22	RUBIN, ROBERT A	Chief Accounting Officer	普通株式	売却	736	$27.00
2013-01-22	RUBIN, ROBERT A	Chief Accounting Officer	普通株式	購入	9,999	$12.48
2013-01-22	RUBIN, ROBERT A	Chief Accounting Officer	普通株式	売却	4,990	$27.00
2013-01-22	ROSS, WILLIAM C	Sr. VP Engineering and Environ	普通株式	売却	993	$27.00
2013-01-22	ROSS, WILLIAM C	Sr. VP Engineering and Environ	普通株式	売却	993	$27.00
2013-01-22	LUNING, CHRISTOPHER PAUL	Sr. VP, General Counsel & Sec	普通株式	売却	1,074	$27.00
2013-01-22	FRANKLIN, CHRIS	Exec. VP & COO Reg. Ops	普通株式	売却	1,742	$27.00
2013-01-22	SMELTZER, DAVID	Executive VP & CFO	普通株式	売却	2,557	$27.00
2013-01-22	SMELTZER, DAVID	Executive VP & CFO	普通株式	売却	2,557	$27.00
2013-01-22	RUBIN, ROBERT A	Chief Accounting Officer	普通株式	売却	736	$27.00
2013-01-22	RUBIN, ROBERT A	Chief Accounting Officer	普通株式	購入	9,999	$12.48