EXHIBIT 12.1

ONEOK, Inc.

Computation of Ratio of Earnings to Fixed Charges

 

    

Six Months Ended

June 30,


 

(Unaudited)


   2004

    2003

 
     (Thousands of dollars)  

Fixed Charges, as defined

                

Interest on long-term debt

   $ 45,885     $ 47,263  

Other interest

     896       3,162  

Amortization of debt discount and expense

     1,856       3,121  

Interest on lease agreements

     4,306       4,740  
    


 


Total Fixed Charges

     52,943       58,286  
    


 


Earnings before income taxes and undistributed income from equity investees

     200,532       241,925  
    


 


Earnings available for fixed charges

   $ 253,475     $ 300,211  
    


 


Ratio of earnings to fixed charges

     4.79 x     5.15 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.