1 EXHIBIT 11 HOUSTON INDUSTRIES INCORPORATED AND SUBSIDIARIES COMPUTATION OF EARNINGS PER COMMON SHARE AND COMMON EQUIVALENT SHARE (THOUSANDS OF DOLLARS, EXCEPT PER SHARE AMOUNTS) Year Ended December 31, ---------------------------------------------- 1996 1995 1994 ----------- ------------ ------------ Primary Earnings Per Share: (1) Weighted average shares of common stock outstanding................................................. 244,443,110 247,706,457 245,706,746 (2) Effect of issuance of shares from assumed exercise of stock options (treasury stock method)..................................... 23,878 47,098 (79,048) ----------- ------------ ------------ (3) Weighted average shares........................................ 244,466,988 247,753,555 245,627,698 =========== ============ ============ (4) Net income..................................................... $ 404,944 $ 1,105,524 $ 399,261 (5) Primary earnings per share (line 4/line 3)............................................. $ 1.66 $ 4.46 $ 1.62 Fully Diluted Earnings Per Share: (6) Weighted average shares per computation on line 3 above............................................. 244,466,988 247,753,555 245,627,698 (7) Shares applicable to options included on line 2 above............................................. (23,878) (47,098) 79,048 (8) Dilutive effect of stock options (treasury stock method) based on higher of the average price for the year or year-end price of $22.88, $24.25 and $18.00 for 1996, 1995 and 1994, respectively.................................... 23,878 52,730 (79,048) ----------- ------------ ------------ (9) Weighted average shares........................................ 244,466,988 247,759,187 245,627,698 =========== ============ ============ (10) Net income..................................................... $ 404,944 $ 1,105,524 $ 399,261 (11) Fully diluted earnings per share (line 10/line 9)............................................ $ 1.66 $ 4.46 $ 1.62 Notes: These calculations are submitted in accordance with Regulation S-K item 601(b)(11) although submission is not required for financial presentation disclosure as provided in footnote 2 to paragraph 14 of Accounting Principles Board (APB) Opinion No. 15 because the 3 percent dilutive test is not met. The calculations for year ended December 31, 1994 are submitted in accordance with Regulation S-K item 601(b)(11) although they are contrary to paragraphs 30 and 40 of APB No. 15 because they produce anti-dilutive results. All share amounts reflect the two-for-one stock split, effective December 1995.