EXHIBIT 12.1

ONEOK, Inc.

Computation of Ratio of Earnings to Fixed Charges

	Years Ended December 31,
(Unaudited)	2005		2004		2003		2002		2001
	(Thousands of dollars)
Fixed Charges, as defined
Interest on long-term debt	$	116,642	$	78,349	$	87,382	$	78,414	$	99,530
Other interest		27,031		5,239		5,873		10,523		27,454
Amortization of debt discount and expense		3,935		3,713		4,977		7,949		3,475
Interest on lease agreements		20,781		21,638		21,323		22,831		21,564
Total Fixed Charges		168,389		108,939		119,555		119,717		152,023
Earnings before income taxes and undistributed income from equity investees		655,374		360,388		332,246		242,446		51,877
Earnings available for fixed charges	$	823,763	$	469,327	$	451,801	$	362,163	$	203,900
Ratio of earnings to fixed charges		4.89 x		4.31 x		3.78 x		3.03 x		1.34 x

For purposes of computing the ratio of earnings to fixed charges, “earnings” consists of income before cumulative effect of a change in accounting principle plus fixed charges and income taxes, less undistributed income for equity investees. “Fixed charges” consists of interest charges, the amortization of debt discounts and issue costs and the representative interest portion of operating leases.