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 nine months ended September 30, 1995 and 1994, is submitted in accordance with Regulation S-K item 601 (b) (11). Three Months Nine Months Ended September 30 Ended September 30 ---------------------------- ---------------------------- 1995 1994 1995 1994 ----------- ----------- ------------ ----------- Millions of dollars except per share data Primary: Primary: Net income (loss) $ 1.1 $ 51.7 $ 96.4 $ 50.3 Average number of common and common share equivalents outstanding 114.6 114.2 114.4 114.2 Primary net income (loss) per share $ 0.01 $ 0.45 $ 0.84 $ 0.44 Fully Diluted: Net income (loss) $ 1.1 $ 51.7 $ 96.4 $ 50.3 Add after-tax interest expense applicable to Zero Coupon Convertible Subordinated Debentures due 2006 2.3 3.3 9.2 9.6 ----------- ----------- ------------ ----------- Adjusted net income (loss) $ 3.4 $ 55.0 $ 105.6 $ 59.9 Adjusted average number of shares outstanding 118.0 119.1 119.0 119.1 Fully diluted earnings (loss) per share $ 0.03 $ 0.46 $ 0.89 $ 0.50 The foregoing computations do not reflect any significant potentially dilutive effect the Company's Preferred Stock Purchase Rights Plan could have in the event such 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.