BURLINGTON RESOURCES INC. EARNINGS PER SHARE COMPUTATION EXHIBIT 11.1 (UNAUDITED) THIRD QUARTER 1994 1993 Earnings Shares Earnings Shares Primary earnings per common share: Net earnings available for common stock and weighted average number of common shares outstanding..........................$ 20,695 127,939 $ 24,587 130,131 Stock options assumed exercised-net........... - 714 - 1,462 --------- ------- --------- ------- Total net earnings and primary common shares..$ 20,695 128,653 $ 24,587 131,593 ========= ======= ========= ======= Primary earnings per common share.............$ .16 $ .18 ========= ========= Fully diluted earnings per common share: Net earnings available for common stock and weighted average number of common shares outstanding..........................$ 20,695 127,939 $ 24,587 130,131 Stock options assumed exercised - net......... - 714 - 1,611 --------- ------- --------- ------- Total net earnings and fully diluted common shares...............................$ 20,695 128,653 $ 24,587 131,742 ========= ======= ========= ======= Fully diluted earnings per common share.......$ .16 $ .18 ========= ========= NINE MONTHS 1994 1993 Earnings Shares Earnings Shares Primary earnings per common share: Net earnings available for common stock and weighted average number of common shares outstanding..........................$ 101,427 128,930 $ 204,264 129,643 Stock options assumed exercised-net........... - 678 - 1,124 --------- ------- --------- ------- Total net earnings and primary common shares..$ 101,427 129,608 $ 204,264 130,767 ========= ======= ========= ======= Primary earnings per common share.............$ .78 $ 1.56 ========= ========= Fully diluted earnings per common share: Net earnings available for common stock and weighted average number of common shares outstanding..........................$ 101,427 128,930 $ 204,264 129,643 Stock options assumed exercised - net......... - 678 - 1,260 --------- ------- --------- ------- Total net earnings and fully diluted common shares...............................$ 101,427 129,608 $ 204,264 130,903 ========= ======= ========= ======= Fully diluted earnings per common share.......$ .78 $ 1.56 ========= =========