1
                                                                      Exhibit 11



                 THE COLUMBIA GAS SYSTEM, INC. AND SUBSIDIARIES
                Statements Re Computation of Per Share Earnings




                                                                             Three Months                   Twelve Months
                                                                                Ended                          Ended
                                                                              March 31,                       March 31,   
                                                                           ----------------              ------------------
                                                                           1996          1995            1996           1995
                                                                          ------        ------          ------         -----
                                                                                                         
Computation for Statements of Consolidated                  
- ------------------------------------------                  
Income ($ in millions)                                      
- ----------------------                                      
                                                            
Income (Loss) before extraordinary item . . . . . . . . . . . . .         151.3         128.8          (409.8)        234.8
Extraordinary item  . . . . . . . . . . . . . . . . . . . . . . .             -             -            71.6             -
                                                                                                                                   
- ------------------------------------------------------------------------------------------------------------------------------------
                                                            
Net income (loss) . . . . . . . . . . . . . . . . . . . . . . . .         151.3         128.8          (338.2)        234.8
                                                                                                                                   
- ------------------------------------------------------------------------------------------------------------------------------------
Earnings (Loss) per share of common stock                   
 (based on average shares outstanding) ($)                  
Before extraordinary item . . . . . . . . . . . . . . . . . . . .          2.99          2.55           (8.09)         4.64
Extraordinary item  . . . . . . . . . . . . . . . . . . . . . . .             -             -            1.41             -
                                                                                                                                   
- ------------------------------------------------------------------------------------------------------------------------------------
Earnings (Loss) on common stock . . . . . . . . . . . . . . . . .          2.99          2.55           (6.68)         4.64
                                                            
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Additional computation of average common                    
 shares outstanding (thousands) (NOTE)                                                                                             
- ------------------------------------------------------------------------------------------------------------------------------------
Average shares of common stock outstanding  . . . . . . . . . . .        50,662        50,563          50,603        50,561
Incremental common shares applicable to                     
 common stock based on the common stock                     
 daily average market price:                                
  Applicable to contingent stock awards . . . . . . . . . . . . .            60             -               -             2
                                                                                                                                   
- ------------------------------------------------------------------------------------------------------------------------------------
Average common shares as adjusted . . . . . . . . . . . . . . . .        50,722        50,563          50,603        50,563

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Average shares of common stock outstanding  . . . . . . . . . . .        50,662        50,563          50,603        50,561
Incremental common shares applicable to                     
 common stock based on the more dilutive                    
 of the common stock ending or daily average                
 market price during the year:                              
  Applicable to contingent stock awards . . . . . . . . . . . . .            74             -               -             2
                                                                                                                                   
- ------------------------------------------------------------------------------------------------------------------------------------
Average common shares assuming full dilution  . . . . . . . . . .        50,736        50,563          50,603        50,563
Earnings (Loss) per share of common stock                   
 as adjusted:                                               
Before extraordinary item . . . . . . . . . . . . . . . . . . . .          2.98          2.55           (8.09)         4.64
Extraordinary item  . . . . . . . . . . . . . . . . . . . . . . .             -             -            1.41             -
- ------------------------------------------------------------------------------------------------------------------------------------
Earnings (Loss) on common stock as adjusted ($) . . . . . . . . .          2.98          2.55           (6.68)         4.64
                                                            
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Earnings (Loss) per common shares assuming full             
 dilution:                                                  
Before extraordinary item . . . . . . . . . . . . . . . . . . . .          2.98          2.55           (8.09)         4.64
Extraordinary item  . . . . . . . . . . . . . . . . . . . . . . .             -             -            1.41             -
- ------------------------------------------------------------------------------------------------------------------------------------
Earnings (Loss) on common stock assuming full dilution ($)   . . .         2.98          2.55           (6.68)         4.64

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NOTE      These calculations are submitted in accordance with the Securities
          Exchange Act of 1934 Release No. 9083 although not required by
          footnote 2 to paragraph 14 of Accounting Principles Opinion No. 15
          because they result in dilution of less than 3%.