Exhibit 11. MOBIL CORPORATION COMPUTATION OF EARNINGS PER COMMON SHARE (In millions, except for per-share amounts; number of shares in thousands) For the Three Months Ended June 30 -------------------- 1997 1998 -------- -------- Net Income ................................................. $ 850 $ 642 Less: dividends on preferred stock ......................... 13 12 ------- ------- Adjusted net income applicable to common shares ............ $ 837 $ 630 ======= ======= Weighted average number of basic common shares outstanding . 787,005 781,572 ======= ======= Net income per common share ................................ $ 1.06 $ 0.81 ======= ======= Net Income ................................................. $ 850 $ 642 Less: additional contribution to ESOP ...................... 2 1 Less: Stock Appreciation Rights compensation (expense) income ................................... (2) - ------- ------- Adjusted net income applicable to common shares ............ $ 850 $ 641 ======= ======= Weighted average number of basic common shares outstanding . 787,005 781,572 Issuable on assumed exercise of stock options .............. 11,267 12,682 Assumed conversion of preferred stock ...................... 17,371 16,857 ------- ------- Total ................................................. 815,643 811,111 ======= ======= Net income per common share -- assuming dilution ........... $ 1.04 $ 0.79 ======= ======= MOBIL - 20 - Exhibit 11. (concluded) MOBIL CORPORATION COMPUTATION OF EARNINGS PER COMMON SHARE (In millions, except for per-share amounts; number of shares in thousands) For the Six Months Ended June 30, 1997 1998 Net income ................................................ $ 1,676 $ 1,347 Less dividends on preferred stock ......................... 26 25 -------- -------- Adjusted net income applicable to common shares ........... $ 1,650 $ 1,322 ======== ======== Weighted average number of basic common shares outstanding 787,574 781,843 Net income per common share ............................... $ 2.10 $ 1.69 ======== ======== Net Income ................................................ $ 1,676 $ 1,347 Less: additional contribution to ESOP ..................... 4 3 Less: Stock Appreciation Rights compensation (expense) income .................................. (3) 4 -------- -------- Adjusted net income applicable to common shares ........... $ 1,675 $ 1,340 ======== ======== Weighted average number of basic common shares outstanding 787,574 781,843 Issuable on assumed exercise of stock options ............. 10,834 11,898 Assumed conversion of preferred stock ..................... 17,437 16,929 -------- -------- Total .................................................. 815,845 810,670 ======== ======== Net income per common share -- assuming dilution .......... $ 2.05 $ 1.65 ======== ======== MOBIL - 21 -