ENERGY BIOSYSTEMS CORPORATION EXHIBIT 11.1 STATEMENT REGARDING COMPUTATION OF PER SHARE EARNINGS The following schedules reflect the information used in calculating the number of shares in the computation of net loss per share for each of the periods set forth in the Statements of Operations. ENERGY BIOSYSTEMS CORPORATION COMPUTATION OF PER SHARE EARNINGS FOR THE SIX MONTHS ENDED JUNE 30, 1996 WEIGHTED AVERAGE SHARES OUTSTANDING: TOTAL # DAYS SHARES 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 11,309,295 x 1 = 11,309,295 11,309,355 x 3 = 33,928,065 -------- --------------- 91 2,023,337,971 / 91= 11,117,242 ========== FOR THE SIX MONTHS ENDED JUNE 30, 1996 LOSS PER SHARE: Net Loss plus dividend accrual plus accretion of offering costs ($5,064,031)= ($0.46) ------------ ========== Weighted Avg. Shares 11,117,242 ENERGY BIOSYSTEMS CORPORATION COMPUTATION OF PER SHARE EARNINGS FOR THE QUARTER ENDED JUNE 30, 1996 WEIGHTED AVERAGE SHARES OUTSTANDING: TOTAL # DAYS SHARES OUTSTANDING - ------------------------------------ 11,142,868 x 36 = 401,143,248 11,301,975 x 28 = 316,455,300 11,302,025 x 16 = 180,832,400 11,303,525 x 7 = 79,124,675 11,309,295 x 1 = 11,309,295 11,309,355 x 3 = 33,928,065 ---------- ------------ 90 902,254,710 / 91 = 11,239,483 ========== FOR THE QUARTER ENDED JUNE 30, 1996 LOSS PER SHARE: Net Loss plus dividend accrual plus accretion of offering costs ($2,560,952)= ($0.23) ----------- ========== Weighted Avg. Shares 11,239,483 ENERGY BIOSYSTEMS CORPORATION COMPUTATION OF PER SHARE EARNINGS FOR THE SIX MONTHS ENDED JUNE 30, 1995 WEIGHTED AVERAGE SHARES OUTSTANDING: TOTAL # DAYS SHARES OUTSTANDING - -------------------------------------- 9,988,409 x 2 = 19,976,818 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 43 = 440,046,735 -------- ------------- 181 1,828,361,298 / 91 = 10,101,444 ========== FOR THE SIX MONTHS ENDED JUNE 30, 1995 LOSS PER SHARE: Net Loss plus dividend accrual plus accretion of offering costs ($4,720,843)= ($0.47 ----------- ========== Weighted Avg. Shares 10,101,444 ENERGY BIOSYSTEMS CORPORATION COMPUTATION OF PER SHARE EARNINGS FOR THE THREE MONTHS ENDED JUNE 30, 1995 WEIGHTED AVERAGE SHARES OUTSTANDING: TOTAL # DAYS SHARES OUTSTANDING - -------------------------------------- 10,046,604 x 27 = 271,258,308 10,228,645 x 21 = 214,801,545 10,233,645 x 43 = 440,046,735 -------- ------------ 91 926,106,588 / 91 = 10,176,995 ========== FOR THE THREE MONTHS ENDED JUNE 30, 1995 LOSS PER SHARE: Net Loss plus dividend accrual plus accretion of offering costs ($2,129,003) = ($0.21) ------------ ========== Weighted Avg. Shares 10,176,995