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 MARCH 31, --------------------------------------- 1995 1994 ------------ ------------ Primary Earnings Per Share: (1) Weighted average shares of common stock outstanding.............................................. 123,598,379 122,421,159 (2) Effect of issuance of shares from assumed exercise of stock options (treasury stock method)............................................... (20,145) (23,017) ------------ ------------ (3) Weighted average shares................................................ 123,578,234 122,398,142 ============ ============ (4) Net income............................................................. $ 114,456 $ 25,898 (5) Primary earnings per share (line 4 divided by line 3)............................................ $ .93 $ .21 Fully Diluted Earnings Per Share: (6) Weighted average shares per computation (line 3).................................................. 123,578,234 122,398,142 (7) Shares applicable to options included (line 2)..................................................... 20,145 23,017 (8) Dilutive effect of stock options based on the average price for the quarter or quarter-end price, whichever is higher, of $38.75 and $40.50 for 1995 and 1994, respectively (treasury stock method)............................................... (20,145) (23,017) ------------ ------------ (9) Weighted average shares................................................ 123,578,234 122,398,142 ============ ============ (10) Net income............................................................. $ 114,456 $ 25,898 (11) Fully diluted earnings per share (line 10 divided by line 9) .................................... $ .93 $ .21 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 three months ended March 31, 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.