1 EXHIBIT 11 THE WILLIAMS COMPANIES, INC. COMPUTATION OF EARNINGS PER COMMON AND COMMON-EQUIVALENT SHARE* YEARS ENDED DECEMBER 31, ----------------------------------- 1993 1992** 1991** --------- --------- --------- (THOUSANDS, EXCEPT PER-SHARE AMOUNTS) Primary earnings: Income before extraordinary credit....................... $ 231,800 $ 128,300 $ 110,000 Preferred stock dividends: $2.21 cumulative preferred stock...................... 8,900 2,900 -- $3.875 cumulative convertible exchangeable preferred stock............................................... 2,900 11,600 11,600 --------- --------- --------- Income before extraordinary credit, net of preferred stock dividends....................................... 220,000 113,800 98,400 Extraordinary credit..................................... -- 9,900 -- --------- --------- --------- Income applicable to common stock........................ $ 220,000 $ 123,700 $ 98,400 --------- --------- --------- --------- --------- --------- Primary shares: Average number of common shares outstanding during the period..................................... 98,735 89,964 83,098 Common-equivalent shares attributable to options and deferred stock........................................ 1,176 852 682 --------- --------- --------- Total common and common-equivalent shares................ 99,911 90,816 83,780 --------- --------- --------- --------- --------- --------- Primary earnings per common and common-equivalent share: Income before extraordinary credit....................... $ 2.20 $ 1.25 $ 1.17 Extraordinary credit..................................... -- .11 -- --------- --------- --------- Net income............................................... $ 2.20 $ 1.36 $ 1.17 --------- --------- --------- --------- --------- --------- Fully diluted earnings: Net income............................................... $ 231,800 Preferred stock dividends: $2.21 cumulative preferred stock...................... 8,900 --------- Income applicable to common stock........................ $ 222,900 --------- --------- Fully diluted shares: Average number of common shares outstanding during the period..................................... 98,735 Common-equivalent shares attributable to options and deferred stock.................................... 1,318 Shares attributable to conversion, assumed at January 1, 1993 to the conversion dates, of convertible exchangeable preferred stock....................................... 3,118 --------- Total common and common-equivalent shares................ 103,171 --------- --------- Fully diluted earnings per common and common-equivalent share.................................................... $ 2.16 --------- --------- - --------------- * All references to shares outstanding and per-share amounts reflect the effect of the 2-for-1 common stock split and distribution described in Note 11 of Notes to Consolidated Financial Statements. ** Primary and fully diluted earnings per share are the same in 1992 and 1991.