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
2005-03-04	KNEALE, JAMES C	Exec. VP - Finance & Admin and, Exec. VP - Finance & Admin and	普通株式	購入	1	$
2005-03-04	GIBSON, JOHN WILLIAM	President - Energy, President - Energy	普通株式	購入	1	$
2005-03-04	HOLBIRD, J D	President - ONEOK Energy, President - ONEOK Energy	普通株式	購入	1	$
2005-03-04	GABERINO, JOHN A JR	Sr VP & Special Counsel, Sr VP & Special Counsel	普通株式	購入	1	$
2005-03-04	KYLE, DAVID L	Director, Chairman of the Board &, Chairman of the Board &	普通株式	購入	1	$
2005-03-04	DINAN, CURTIS	Senior VP & Chief Acct Offcr, Senior VP & Chief Acct Offcr	普通株式	購入	1	$
2005-03-04	BARKER, JOHN R	Sr. VP & General Counsel, Sr. VP & General Counsel	普通株式	購入	1	$
2005-03-04	CORDES, WILLIAM R	President, Northern Plains, President, Northern Plains	普通株式	購入	1	$
2005-03-02	COMBS, SAMUEL III	President - Oklahoma Natural, President - Oklahoma Natural	普通株式	売却	120	$29.90
2005-03-01	SKOOG, CHRIS R	Exec. VP-No.Plains Natural Gas, Exec. VP-No.Plains Natural Gas	普通株式	売却	2,689	$29.66
2005-03-01	SKOOG, CHRIS R	Exec. VP-No.Plains Natural Gas, Exec. VP-No.Plains Natural Gas	普通株式	購入	4,680	$17.05
2005-03-01	DAY, JAMES C	Director	普通株式	購入	13	$2.66
2005-03-01	BELL, WILLIAM M	Director	普通株式	購入	13	$29.66
2005-03-01	SKOOG, CHRIS R	Exec. VP-No.Plains Natural Gas, Exec. VP-No.Plains Natural Gas	普通株式	売却	625	$29.66
2005-03-01	SKOOG, CHRIS R	Exec. VP-No.Plains Natural Gas, Exec. VP-No.Plains Natural Gas	ストックオプション	売却	4,680	$29.66
2005-03-01	SKOOG, CHRIS R	Exec. VP-No.Plains Natural Gas, Exec. VP-No.Plains Natural Gas	ストックオプション	購入	2,689	$29.66
2005-02-18	GABERINO, JOHN A JR	Sr VP & Special Counsel, Sr VP & Special Counsel	普通株式	売却	150	$
2005-02-17	MOORE, PATTYE L	Director	普通株式	購入	51	$29.46