Exhibit 12.1 STATEMENT OF COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (UNAUDITED) Sunoco Logistics Partners L.P. Sunoco Logistics Partners L.P. Historical Partnership and Sunoco Logistics Predecessor (Predecessor) Combined (a) Historical (b) -------------------- -------------------- Six Months Six Months Ended Ended June 30, June 30, 2002 2001 -------------------- -------------------- Fixed Charges: Interest cost and debt expense $ 8,717 $ 6,820 Interest allocable to rental expense (c) 505 510 -------------------- -------------------- Total $ 9,222 $ 7,330 ==================== ==================== Earnings: Combined income before income tax expense $ 27,394 $ 25,793 Equity in income of less than 50 percent owned affiliated company (d) (3,390) (1,816) Dividends received from less than 50 percent owned affiliated company (d) 1,607 1,862 Fixed charges 9,222 7,330 Interest capitalized 545 948 Amortization of previously capitalized interest 84 64 -------------------- -------------------- Total $ 35,462 $ 34,181 ==================== ==================== Ratio of Earnings to Fixed Charges 3.85 4.66 ==================== ==================== - ----------------------------------------- (a) The historical financial statements of Sunoco Logistics Partners L.P. for the six months ended June 30, 2002 reflect the historical cost-basis accounts of Sunoco Logistics (Predecessor) for the period from January 1, 2002 through February 7, 2002 and of Sunoco Logistics Partners L.P. for the period from February 8, 2002 (the date of the initial public offering of the master partnership) through June 30, 2002. (b) The historical combined financial statements of Sunoco Logistics Partners L.P. for the six months ended June 30, 2001 reflect the historical cost-basis accounts of its predecessor, Sunoco Logistics (Predecessor). (c) Represents one-third of the total operating lease rental expense which is that portion deemed to be interest. (d) Reflects amounts attributable to Explorer Pipeline Company, a 9.4% owned corporate joint venture accounted for by the equity method.