HALLIBURTON COMPANY EXHIBIT 11 COMPUTATION OF EARNINGS PER SHARE The calculation below for earnings per share of the $2.50 par value Common Stock of the Company on a primary and fully diluted basis for the three and six months ended June 30, 1997 and 1996, is submitted in accordance with Regulation S-K item 601 (b) (11). Three Months Six Months Ended June 30 Ended June 30 ----------------------------- ----------------------------- 1997 1996 1997 1996 ------------ ------------ ------------- ------------ Millions of dollars except Millions of dollars except per share data per share data Primary: Net income $ 101.9 $ 71.8 $ 184.9 $ 117.3 Average number of common and common share equivalents outstanding 256.0 251.2 255.7 251.1 Primary net income per share $ 0.40 $ 0.29 $ 0.72 $ 0.47 - ----------------------------------------------------------------------------------------------------------------- Fully Diluted: Net income $ 101.9 $ 71.8 $ 184.9 $ 117.3 Adjusted average number of shares outstanding 256.3 251.3 256.3 251.3 Fully diluted earnings per share $ 0.40 $ 0.29 $ 0.72 $ 0.47 <FN> The foregoing computations do not reflect any significant potentially dilutive effect the Company's Rights Agreement could have in the event Rights become exercisable and any shares of either Series A Junior Participating Preferred Stock or Common Stock of the Company are issued upon the exercise of such Rights. </FN> 18