Exhibit 11 HOUSTON INDUSTRIES INCORPORATED AND SUBSIDIARIES COMPUTATION OF EARNINGS PER COMMON SHARE AND COMMON EQUIVALENT SHARE (THOUSANDS OF DOLLARS, EXCEPT PER SHARE AMOUNTS) THREE MONTHS ENDED NINE MONTHS ENDED SEPTEMBER 30, SEPTEMBER 30, ------------------------------------ ----------------------------------- 1995 1994 1995 1994 -------------- -------------- -------------- -------------- Primary Earnings Per Share: (1) Weighted average shares of common stock outstanding................... 123,947,087 123,060,083 123,772,849 122,665,312 (2) Effect of issuance of shares from assumed exercise of stock options (treasury stock method).................... 5,571 (51,776) (5,200) (43,374) -------------- -------------- -------------- -------------- (3) Weighted average shares........................ 123,952,658 123,008,307 123,767,649 122,621,938 ============== ============== ============== ============== (4) Net income..................................... $ 853,949 $ 235,968 $ 1,101,665 $ 388,591 (5) Primary earnings per share (line 4/line 3)............................ $ 6.89 $ 1.92 $ 8.90 $ 3.17 Fully Diluted Earnings Per Share: (6) Weighted average shares per computation on line 3 above................ 123,952,658 123,008,307 123,767,649 122,621,938 (7) Shares applicable to options included on line 2 above................... (5,571) 51,776 5,200 43,374 (8) Dilutive effect of stock options based on the average price for the period or period- end price, whichever is higher, of $44.13 and $35.25 for the third quarter of 1995 and 1994, respectively, and $44.13 and $36.39 for the first nine months of 1995 and 1994, respectively (treasury stock method)......................... 8,610 (50,426) 8,610 (43,374) -------------- -------------- -------------- -------------- (9) Weighted average shares........................ 123,955,697 123,009,657 123,781,459 122,621,938 ============== ============== ============== ============== (10) Net income..................................... $ 853,949 $ 235,968 $ 1,101,665 $ 388,591 (11) Fully diluted earnings per share (line 10/line 9)..................... $ 6.89 $ 1.92 $ 8.90 $ 3.17 Notes: These calculations are submitted in accordance with Regulation S-K item 601(b) (11) although it is not required for financial presentation disclosure per footnote 2 to paragraph 14 of Accounting Principles Board (APB) Opinion No. 15 because it does not meet the 3% dilutive test. The calculations for the nine months ended September 30, 1995 and the three and nine months ended September 30, 1994 are submitted in accordance with Regulation S-K item 601(b) (11) although they are contrary to paragraphs 30 and 40 of APB Opinion No. 15 because they produce anti-dilutive results. For information about the common stock split recently declared by the Company, see Note 9 of the notes to the Company's Consolidated Financial Statements in Item 1 of this Report.