1 ITEM 14(A)3, EXHIBIT 11 TESORO PETROLEUM CORPORATION AND SUBSIDIARIES INFORMATION SUPPORTING EARNINGS PER SHARE COMPUTATIONS (IN THOUSANDS EXCEPT PER SHARE AMOUNTS) YEARS ENDED DECEMBER 31, ---------------------------- 1996 1995 1994 ------- ------ ------- PRIMARY EARNINGS PER SHARE COMPUTATION Earnings before extraordinary loss on extinguishment of debt...................................................... $76,800 57,489 20,483 Extraordinary loss on extinguishment of debt, net of income tax benefit............................................... (2,290) (2,857) (4,752) ------- ------ ------- Net earnings................................................ 74,510 54,632 15,731 Dividend requirements on preferred stock.................... -- -- 2,680 ------- ------ ------- Net earnings applicable to common stock..................... $74,510 54,632 13,051 ======= ====== ======= Average outstanding common shares........................... 25,999 24,557 22,552 Average outstanding common equivalent shares................ 500 550 644 ------- ------ ------- Average outstanding common and common equivalent shares... 26,499 25,107 23,196 ======= ====== ======= Primary Earnings Per Share: Earnings before extraordinary loss on extinguishment of debt................................................... $ 2.90 2.29 .77 Extraordinary loss on extinguishment of debt, net......... (.09) (.11) (.21) ------- ------ ------- Net earnings.............................................. $ 2.81 2.18 .56 ======= ====== ======= FULLY DILUTED EARNINGS PER SHARE COMPUTATION Net earnings applicable to common stock..................... $74,510 54,632 13,051 Add: Dividend requirements on preferred stock............... -- -- 2,680 ------- ------ ------- Net earnings applicable to common stock -- fully diluted.... $74,510 54,632 15,731 ======= ====== ======= Average outstanding common and common equivalent shares..... 26,499 25,107 23,196 Shares issuable on conversion of preferred shares........... -- -- 1,476 Additional fully diluted shares............................. 50 -- 58 ------- ------ ------- 26,549 25,107 24,730 ======= ====== ======= Fully Diluted Earnings Per Share*........................... $ 2.81 2.18 .56 ======= ====== ======= - --------------- * 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 immaterial dilutive effect for 1996 and 1995 and an anti-dilutive result for 1994.