EXHIBIT 11 CONSOLIDATED NATURAL GAS COMPANY AND SUBSIDIARIES COMPUTATION OF PER SHARE EARNINGS (In Thousands, Except Per Share Data) - ------------------------------------------------------------------------------------------------------- Years Ended December 31, 1996 1995 1994 - ------------------------------------------------------------------------------------------------------- Earnings Per Share of Common Stock, as Shown on the Consolidated Statement of Income Net income..................................................... $298,273 $21,344 $183,171 -------- ------- -------- Average common shares outstanding.............................. 94,434 93,246 93,000 -------- ------- -------- Earnings per share of common stock........................... $3.16 $.23 $1.97 ======== ======= ======== Primary Earnings Per Share (Note 1) Net income..................................................... $298,273 $21,344 $183,171 -------- ------- -------- Average common shares outstanding.............................. 94,434 93,246 93,000 Incremental shares resulting from assumed exercise of stock options............................ 736 99 78 -------- ------- -------- Average common shares, as adjusted............................. 95,170 93,345 93,078 -------- ------- -------- Primary earnings per share................................... $3.13 $.23 $1.97 ======== ======= ======== Fully Diluted Earnings Per Share Net income..................................................... $298,273 $21,344 $183,171 Interest on 7 1/4% Convertible Subordinated Debentures, net of tax effect................................ 11,823 11,913 12,465 -------- ------- -------- Net income, as adjusted........................................ $310,096 $33,257 $195,636 -------- ------- -------- Average common shares outstanding.............................. 94,434 93,246 93,000 Incremental shares resulting from assumed exercise of stock options............................ 862 154 96 Shares issuable from assumed conversion of 7 1/4% Convertible Subordinated Debentures.......................... 4,559 4,559 4,577 -------- ------- -------- Average common shares, as adjusted............................. 99,855 97,959 97,673 -------- ------- -------- Fully diluted earnings per share............................. $3.11(1) $.34(2) $2.00(2) ======== ======= ======== - ------------------------------------------------------------------------------------------------------- Notes: (1) This calculation is submitted in accordance with Regulation S-K Item 601(b)(11) although not required by footnote 2 to paragraph 14 of APB Opinion No. 15 because it results in dilution of less than 3%. (2) This calculation is submitted in accordance with Regulation S-K Item 601(b)(11) although it is contrary to paragraph 40 of APB Opinion No. 15 because the assumed conversion of the 7 1/4% Convertible Subordinated Debentures produces an antidilutive result.