<PAGE>
AGGREGATED FISCAL YEAR-END OPTION VALUES
<TABLE>
<CAPTION>
NUMBER OF SECURITIES VALUE OF UNEXERCISED
UNDERLYING UNEXERCISED IN-THE-MONEY OPTIONS AT
OPTIONS AT FISCAL FISCAL YEAR-END($)
YEAR-END($)
NAME EXERCISABLE/UNEXERCISABLE EXERCISABLE/UNEXERCISABLE
- -------------------------------------------------------------------------------
<S> <C> <C>
Ronald C. Lassiter 1,220,000 / 0 457,500 / 0
- -------------------------------------------------------------------------------
Robert W. Jackson 0 / 0 0 / 0
- -------------------------------------------------------------------------------
Thomas H. Bowersox 700,000 / 0 262,500 / 0
- -------------------------------------------------------------------------------
Marvin J. Migura 700,000 / 0 262,500 / 0
- -------------------------------------------------------------------------------
Bruce K. Williams 490,000 / 0 183,750 / 0
- -------------------------------------------------------------------------------
</TABLE>
The foregoing table sets forth information for each of the Named Officers
with respect to options to purchase a like number of shares of Common Stock
granted under the Company's 1990 Stock Option Plan and held as of September 30,
1993, including the aggregate amount by which the market value of the option
shares exceeds the exercise price of the options at September 30, 1993. All of
these options are currently exercisable. No options were exercised by the Named
Officers in fiscal 1993.
LONG-TERM INCENTIVE PLANS - AWARDS IN 1993
<TABLE>
<CAPTION>
NUMBER OF PERFORMANCE ESTIMATED FUTURE PAYOUTS UNDER
SHARES, OR OTHER PERIOD NON-STOCK PRICE-BASED PLANS
OR OTHER UNTIL MATURATION -----------------------------------------
NAME OTHER RIGHTS OR PAYOUT THRESHOLD TARGET MAXIMUM
- -------------------------------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C>
Robert W. Jackson:
Incentive Appreciation Agreement (1) 09/30/97(1) (1) (1)(3) (1)
Cimarron Incentive (2) 09/30/97(2) (2) (2)(3) (2)
Appreciation Plan
- --------------------------------------------------------------------------------------------------------------------------------
</TABLE>
- ---------------------
(1) Mr. Jackson and Cimarron Gas Holding Company ("Cimarron") are parties to an
Incentive Appreciation Agreement which provides that a payment is to be made
to Mr. Jackson in cash or a combination of cash and Common Stock (provided
that no more than 40% of such amount may be Common Stock) upon the earlier
of September 30, 1997 or the date when Mr. Jackson ceases to be an employee
of Cimarron due to total and permanent disability, involuntary termination
by Cimarron without cause, or voluntary termination by Mr. Jackson with good
reason. The payment is to be equal to 5% of certain increases above $4.1
million of Cimarron's appraised equity value on the valuation date (as
calculated in accordance with guidelines set forth in the Incentive
Appreciation Agreement) and grossed up for federal income tax purposes.
(2) The Cimarron Incentive Appreciation Plan provides that a payment is to be
made to participants in the plan in cash or a combination of cash and Common
Stock (provided that no more than 40% of such amount may be Common Stock)
upon the earlier of September 30, 1997 or the date when such participant
ceases to be an employee of the Company due to total and permanent
disability,
9
