<PAGE>
 

<TABLE> 
<CAPTION> 
                                           June 30, 1995       June 30, 1994
                                           -------------       -------------
<S>                                        <C>                 <C> 
Fleet utilization:
  Horsepower                                     81.5%                77.8%

Monthly rental rate, based on:
  Horsepower                                   $15.54               $17.43

Fleet size:
  Number of units                                 771                  701
  Horsepower                                  129,467              107,494
</TABLE>

 

     Reflecting the effects of low natural gas prices, Energy Industries' 
operating results continued to be negatively impacted during the third quarter 
of fiscal 1995. As a result, Energy Industries' operating income during the 
third quarter of fiscal 1995 compared unfavorably to the third quarter income in
fiscal 1994.

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