1 ITEM 14(A)3, EXHIBIT 11 TESORO PETROLEUM CORPORATION AND SUBSIDIARIES INFORMATION SUPPORTING EARNINGS (LOSS) PER SHARE COMPUTATIONS (IN THOUSANDS EXCEPT PER SHARE AMOUNTS) YEARS ENDED DECEMBER 31, ------------------------------- 1994 1993 1992 ------- ------- ------- PRIMARY EARNINGS (LOSS) PER SHARE COMPUTATION: Earnings (loss) before extraordinary loss on extinguishment of debt and the cumulative effect of accounting changes.................................................. $20,483 16,956 (45,245) Extraordinary loss on extinguishment of debt................ (4,752) -- -- Cumulative effect of accounting changes..................... -- -- (20,630) ------- ------- ------- Net earnings (loss)......................................... 15,731 16,956 (65,875) Dividend requirements on preferred stock.................... 2,680 9,207 9,207 ------- ------- ------- Net earnings (loss) applicable to common stock.............. $13,051 7,749 (75,082) ======= ======= ======= Average outstanding common shares............................. 22,552 14,070 14,063 Average outstanding common equivalent shares.................. 644 220 -- ------- ------- ------- Average outstanding common and common equivalent shares..... 23,196 14,290 14,063 ======= ======= ======= Primary Earnings (Loss) Per Share: Earnings (loss) before extraordinary loss on extinguishment of debt and the cumulative effect of accounting changes.................................................. $ .77 .54 (3.87) Extraordinary loss on extinguishment of debt................ (.21) -- -- Cumulative effect of accounting changes..................... -- -- (1.47) ------- ------- ------- Net earnings (loss)......................................... $ .56 .54 (5.34) ======= ======= ======= FULLY DILUTED EARNINGS (LOSS) PER SHARE COMPUTATION: Net earnings (loss) applicable to common stock.............. $13,051 7,749 (75,082) Add: Dividend requirements on preferred stock............... 2,680 9,207 9,207 ------- ------- ------- Net earnings (loss) applicable to common stock -- fully diluted.................................................. $15,731 16,956 (65,875) ======= ======= ======= Average outstanding common and common equivalent shares....... 23,196 14,290 14,063 Shares issuable on conversion of preferred shares............. 1,476 4,775 4,775 ------- ------- ------- 24,672 19,065 18,838 ======= ======= ======= Fully Diluted Earnings (Loss) Per Share -- Anti-dilutive*..... $ .56 .54 (5.34) ======= ======= ======= - --------------- * This calculation is submitted in accordance with paragraph 601(b)(11) of Regulation S-K, although it is not required by APB Opinion No. 15 because it produces an anti-dilutive result.