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 SIX MONTHS ENDED JUNE 30, JUNE 30, -------------------------- -------------------------- 1995 1994 1995 1994 ------------ ------------ ------------ ------------ Primary Earnings Per Share: (1) Weighted average shares of common stock outstanding........ 123,769,249 122,507,671 123,684,286 122,464,654 (2) Effect of issuance of shares from assumed exercise of stock options (treasury stock method)......... (4,633) (66,344) (12,095) (42,705) ------------ ------------ ------------ ------------ (3) Weighted average shares......... 123,764,616 122,441,327 123,672,191 122,421,949 ============ ============ ============ ============ (4) Net income...................... $ 133,260 $ 126,725 $ 247,716 $ 152,623 (5) Primary earnings per share (line 4/line 3)................. $ 1.08 $ 1.03 $ 2.00 $ 1.25 Fully Diluted Earnings Per Share: (6) Weighted average shares per computation on line 3 above..... 123,764,616 122,441,327 123,672,191 122,421,949 (7) Shares applicable to options included on line 2 above........ 4,633 66,344 12,095 42,705 (8) Dilutive effect of stock options based on the average price for the period or period- end price, whichever is higher, of $42.13 and $33.63 for the second quarter of 1995 and 1994, respectively, and $42.13 and $37.06 for the first six months of 1995 and 1994, respectively. (treasury stock method)......... (1,364) (66,344) (1,364) (42,705) ------------ ------------ ------------ ------------ (9) Weighted average shares......... 123,767,885 122,441,327 123,682,922 122,421,949 ============ ============ ============ ============ (10) Net income...................... $ 133,260 $ 126,725 $ 247,716 $ 152,623 (11) Fully diluted earnings per share (line 10/line 9).......... $ 1.08 $ 1.03 $ 2.00 $ 1.25 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 quarters and six months ended June 30, 1995 and 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.