EXHIBIT 11.1 ENERGY BIOSYSTEMS CORPORATION COMPUTATION OF EARNINGS PER SHARE FOR THE TWELVE MONTHS ENDED DECEMBER 31, 1994 Weighted Average Shares Outstanding: # Days Total Shares Outstanding 9,864,629 x 3 = 29,593,887 9,872,629 x 1 = 9,872,629 9,874,629 x 1 = 9,874,629 9,875,629 x 1 = 9,875,629 9,880,629 x 4 = 39,522,516 9,881,629 x 1 = 9,881,629 9,882,629 x 22 = 217,417,838 9,892,949 x 4 = 39,571,796 9,901,209 x 3 = 29,703,627 9,909,609 x 15 = 148,644,135 9,917,609 x 4 = 39,670,436 9,969,809 x 3 = 29,909,427 9,970,609 x 21 = 209,382,789 9,975,609 x 73 = 728,219,457 9,979,609 x 36 = 359,265,924 9,980,409 x 20 = 199,608,180 9,983,809 x 11 = 109,821,899 9,988,409 x 142 = 1,418,354,078 --- ------------- 365 3,638,190,505 Weighted Avg. Shares: 3,638,190,505 / 365 = 9,967,645 ========= FOR THE TWELVE MONTHS ENDED DECEMBER 31, 1994 Loss Per Share: Net Loss plus dividend accrual plus accretion of offering costs $(7,452,835) = $($0.75) --------------------------- ---------- ======= Weighted Avg. Shares 9,967,645 ENERGY BIOSYSTEMS CORPORATION COMPUTATION OF EARNINGS PER SHARE FOR THE TWELVE MONTHS ENDED DECEMBER 31, 1995 Weighted Average Shares Outstanding: # Days Total Shares Outstanding 9,988,409 x 28 = 19,976,81 9,998,409 x 28 = 279,955,452 9,999,404 x 4 = 39,997,616 10,000,604 x 4 = 40,002,416 10,040,604 x 16 = 160,649,664 10,041,604 x 1 = 10,041,604 10,046,604 x 62 = 622,889,448 10,228,645 x 21 = 214,801,545 10,233,645 x 89 = 910,794,405 10,235,645 x 2 = 20,471,290 10,237,645 x 7 = 71,663,515 10,242,640 x 18 = 184,367,520 10,249,640 x 13 = 133,245,320 10,258,241 x 7 = 71,807,687 10,270,241 x 1 = 10,270,241 10,293,241 x 4 = 41,172,964 10,368,241 x 3 = 31,104,723 10,370,749 x 23 = 238,527,227 10,512,618 x 1 = 10,512,618 10,513,388 x 6 = 63,080,328 10,514,288 x 1 = 10,514,288 10,514,788 x 2 = 21,029,576 10,516,788 x 2 = 21,033,576 10,524,188 x 30 = 315,725,640 10,524,268 x 18 = 189,436,824 --- -------------- 365 3,733,072,305 Weighted Avg. Shares: 3,733,072,305 / 365 = 10,227,595 ========== FOR THE TWELVE MONTHS ENDED DECEMBER 31, 1995 Loss Per Share: Net Loss plus dividend accrual plus accretion of offering costs $(9,713,069) = $(0.95) --------------------------- ----------- ====== Weighted Avg. Shares 10,227,595 ENERGY BIOSYSTEMS CORPORATION COMPUTATION OF EARNINGS PER SHARE FOR THE TWELVE MONTHS ENDED DECEMBER 31, 1996 Weighted Average Shares Outstanding: Total Shares # Days Outstanding 10,584,268 x 23 = 243,438,164 11,107,568 x 14 = 155,505,952 11,139,268 x 27 = 300,760,236 11,140,768 x 8 = 89,126,144 11,142,868 x 55 = 612,857,740 11,301,975 x 28 = 316,455,300 11,302,025 x 16 = 180,832,400 11,303,525 x 7 = 79,124,675 11,309,355 x 1 = 11,309,295 11,309,355 x 5 = 56,546,775 11,310,855 x 7 = 79,175,985 11,311,955 x 5 = 56,559,775 11,316,955 x 4 = 45,267,820 11,318,210 x 28 = 316,909,880 11,320,010 x 4 = 45,280,040 11,320,210 x 23 = 260,364,830 11,325,210 x 41 = 464,333,610 11,326,210 x 9 = 101,935,890 11,490,770 x 52 = 597,520,040 11,497,135 x 9 = 103,474,215 --- ------------- 366 4,116,778,766 Weighted Avg. Shares: 4,116,778,766 / 366 = 11,248,029 ========== FOR THE TWELVE MONTHS ENDED DECEMBER 31, 1996 Loss Per Share: Net Loss plus dividend accrual plus accretion of offering costs $(11,720,213) = $(1.04) --------------------------- ------------ ====== Weighted Avg. Shares 11,248,029