The following tables present a summary of our unaudited interim results of operations:

	Predecessor		Successor
	First		First			Second		Third			Fourth
	Quarter		Quarter			Quarter		Quarter			Quarter
2017
Total revenues	$	66,531	$	7,808		$	74,048	$	75,947		$	69,276
Operating income (loss) (1)	$	9,752	$	(6,292	)	$	4,600	$	2,135		$	(45,709	)
Net income (loss) (2)(3)	$	1,041,959	$	(19,683	)	$	21,365	$	(19,115	)	$	(101,469	)
Earnings per share:
Basic for Class A and Class B	*		*			$	0.47	$	(0.42	)	$	(2.26	)
Diluted for Class A and Class B	*		*			$	0.47	$	(0.42	)	$	(2.26	)

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(1)

Includes loss on impairment of oil and natural gas properties of $42,146 for the fourth quarter.

(2)

Includes a loss from the sale of our EOR assets of $25,163 for the fourth quarter. See “Note 6—Acquisitions and divestitures” for additional information.

(3)

Includes reorganization items income (expense) related to the Company’s restructuring under Chapter 11 filings of $988,727, $(620), $(1,070), $(858), and $(543) for the Predecessor first quarter, Successor first, second, third, and fourth quarters, respectively. See “Note 4—Fresh start accounting” for additional information.

* Item not disclosed. See “Note 2—Earnings per share.”

	Predecessor
	First			Second			Third			Fourth
	Quarter			Quarter			Quarter			Quarter
2016
Total revenues	$	48,239		$	65,990		$	65,847		$	72,076
Operating income (loss) (1)(2)	$	(103,718	)	$	(209,864	)	$	7,519		$	10,599
Net income (loss) (3)(4)	$	(138,406	)	$	(256,654	)	$	(5,491	)	$	(15,169	)
Earnings per share	*			*			*			*

____________________________________________________________

(1)

Includes loss on impairment of oil and natural gas properties of $77,896 and $203,183 for the first and second quarters, respectively.

(2)

Includes liability management expense of $5,589 and $3,807 for the first and second quarters, respectively. See “Note 1—Nature of operations and summary of significant accounting policies” for additional information.

(3)

Includes expense from writing-off the Senior Note issuance costs, discount and premium for the first quarter. See “Note 8—Debt” for additional information.

(4)

Includes reorganization items income (expense) related to the Company’s restructuring under Chapter 11 filing of $(5,355), $(5,504), and $(5,861) for the second, third, and fourth quarters, respectively. See “Note 4—Fresh start accounting” for additional information.

* Item not disclosed. See “Note 2—Earnings per share.”