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