<PAGE>
 
 
                               ENERGY INDUSTRIES
 
                           COMBINED INCOME STATEMENTS
                           (UNAUDITED, IN THOUSANDS)
 

<TABLE>
<CAPTION>
                                  NINE MONTHS  EIGHT MONTHS    ELEVEN MONTHS
                                     ENDED         ENDED           ENDED
                                 JUNE 30, 1995 JUNE 30, 1994 SEPTEMBER 30, 1994
                                 ------------- ------------- ------------------
<S>                              <C>           <C>           <C>
Revenues........................    $53,086       $49,874         $72,522
                                    -------       -------         -------
Expenses:
  Operating expenses............     40,221        36,480          52,768
  Depreciation and amortization.      4,322         3,600           4.867
  Selling, general and
   administrative...............      3,742         4,952           6,917
                                    -------       -------         -------
                                     48,285        45,032          64,552
                                    -------       -------         -------
Operating income................      4,801         4,842           7,970
Interest expense, net...........     (2,208)       (2,549)         (3,124)
Other income....................        474            --              --
                                    -------       -------         -------
Income before income taxes......      3,067         2,293           4,846
Provision for income taxes......      1,354           941           2,049
                                    -------       -------         -------
Net income......................    $ 1,713       $ 1,352         $ 2,797
                                    =======       =======         =======
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    The accompanying notes are an integral part of the financial statements.
 
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