EXHIBIT 11.1 TRITON ENERGY LIMITED AND SUBSIDIARIES COMPUTATION OF EARNINGS PER ORDINARY SHARE (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS) (UNAUDITED) THREE MONTHS ENDED SEPTEMBER 30, ------------------------- 1997 1996 ------------------------- PRIMARY COMPUTATION: Earnings from continuing operations $ 6,201 $ 19,549 Dividends on preference shares (187) (213) -------- -------- Earnings before extraordinary item applicable to ordinary shares 6,014 19,336 Extraordinary item on extinguishment of debt --- (762) -------- -------- Net earnings (loss) applicable to ordinary shares $ 6,014 $ 18,574 -------- -------- Shares: Average number of ordinary shares outstanding 36,534 36,298 Additional shares assuming conversion of stock options and convertible debentures 536 799 -------- -------- Average ordinary and equivalent shares outstanding 37,070 37,097 -------- -------- PRIMARY EARNINGS (LOSS) PER ORDINARY SHARE: Earnings before extraordinary item $ 0.16 $ 0.52 Extraordinary item --- (0.02) -------- -------- Net earnings (loss) $ 0.16 $ 0.50 -------- -------- FULLY DILUTED COMPUTATION:* Earnings before extraordinary item applicable to ordinary shares $ 6,201 $ 19,549 Extraordinary item on extinguishment of debt --- (762) -------- -------- Net earnings (loss) applicable to ordinary shares as adjusted $ 6,201 $ 18,787 -------- -------- Shares: Average number of ordinary shares outstanding 36,534 36,298 Additional shares assuming conversion of: Stock options and convertible debentures 541 798 Preference shares 218 248 -------- -------- Average ordinary and equivalent shares outstanding as adjusted 37,293 37,344 -------- -------- FULLY DILUTED EARNINGS (LOSS) PER ORDINARY SHARE: Earnings before extraordinary item $ 0.17 $ 0.52 Extraordinary item --- (0.02) -------- -------- Net earnings (loss) $ 0.17 $ 0.50 -------- -------- NINE MONTHS ENDED SEPTEMBER 30, ------------------------- 1997 1996 ------------------------- PRIMARY COMPUTATION: Earnings from continuing operations $ 9,379 $43,596 Dividends on preference shares (400) (985) --------- -------- Earnings before extraordinary item applicable to ordinary shares 8,979 42,611 Extraordinary item on extinguishment of debt (14,491) (1,196) --------- -------- Net earnings (loss) applicable to ordinary shares $ (5,512) $41,415 --------- -------- Shares: Average number of ordinary shares outstanding 36,448 35,792 Additional shares assuming conversion of stock options and convertible debentures 571 1,027 --------- -------- Average ordinary and equivalent shares outstanding 37,019 36,819 --------- -------- PRIMARY EARNINGS (LOSS) PER ORDINARY SHARE: Earnings before extraordinary item $ 0.24 $ 1.15 Extraordinary item (0.39) (0.03) --------- -------- Net earnings (loss) $ (0.15) $ 1.12 --------- -------- FULLY DILUTED COMPUTATION:* Earnings before extraordinary item applicable to ordinary shares $ 9,379 $43,596 Extraordinary item on extinguishment of debt (14,491) (1,196) --------- -------- Net earnings (loss) applicable to ordinary shares as adjusted $ (5,112) $42,400 --------- -------- Shares: Average number of ordinary shares outstanding 36,448 35,792 Additional shares assuming conversion of: Stock options and convertible debentures 571 1,022 Preference shares 218 247 --------- -------- Average ordinary and equivalent shares outstanding as adjusted 37,237 37,061 --------- -------- FULLY DILUTED EARNINGS (LOSS) PER ORDINARY SHARE: Earnings before extraordinary item $ 0.25 $ 1.17 Extraordinary item (0.39) (0.03) --------- -------- Net earnings (loss) $ 0.14 $ 1.14 --------- -------- * This calculation is submitted in accordance with Regulation S-K item 601(b)(11) although it is contrary to paragraph 40 of APB Opinion No. 15 because it produces an anti-dilutive result for the three months ended September 30, 1997 and the nine months ended September 30, 1996.