EXHIBIT 12 CORE-MARK INTERNATIONAL, INC. AND SUBSIDIARIES RATIO OF EARNINGS TO FIXED CHARGES (IN THOUSANDS, EXCEPT RATIOS) FOR THE SIX MONTHS ENDED FOR THE YEARS ENDED DECEMBER 31, JUNE 30, 1991 1992 1993 1994 1995 1995 1996 ---------- --------- --------- --------- --------- --------- --------- Earnings: Income (loss) before income taxes (a)................. $ (7,222) $ 4,333 $ 41,652 $ 11,904 $ 12,286 $ 5,764 $ 10,845 Fixed charges............... 13,757 9,670 8,593 9,522 11,821 6,017 5,556 ---------- --------- --------- --------- --------- --------- --------- Earnings...................... $ 6,535 $ 14,003 $ 50,245 $ 21,426 $ 24,107 $ 11,781 $ 16,401 Fixed Charges: Interest expense (net)(b)... $ 10,358 $ 5,983 $ 4,887 $ 5,773 $ 8,052 $ 4,185 $ 3,606 One-third rental expense.... 3,399 3,687 3,706 3,749 3,769 1,832 1,950 ---------- --------- --------- --------- --------- --------- --------- Fixed charges................. $ 13,757 $ 9,670 $ 8,593 $ 9,522 $ 11,821 $ 6,017 $ 5,556 Earnings to fixed charges..... N/A 1.4x 5.8x 2.3x 2.0x 2.0x 3.0x Deficiency.................... $ (7,222) -- -- -- -- -- -- (a) Before cumulative effects of changes in accounting principles and extraordinary items. (b) Including amortization of SFAS No. 15 troubled debt restructuring deferred credit and debt financing costs.