[1]

The amount available may be subject to limitations related to the borrowing base under the Revolving Credit Facility, outstanding letters of credit, reserve for near term Notes maturity and asset coverage requirements.

[2]

The amount available may be subject to limitations related to the borrowing base under the Revolving Credit Facility, outstanding letters of credit and asset coverage requirements.

[3]

The carrying values of the 2028 Notes, 2029 Notes, 2030 Notes and 2031 Notes are presented inclusive of an incremental $(4.3) million, $(8.7) million, $(7.4) million and $(13.3) million, respectively, which represents an adjustment in the carrying values of the 2028 Notes, 2029 Notes, 2030 Notes and 2031 Notes, each resulting from a hedge accounting relationship.

[4]

The carrying values of the Revolving Credit Facility, 2028 Notes, 2029 Notes, 2030 Notes and 2031 Notes are presented net of the combination of deferred financing costs and original issue discounts totaling $16.4 million, $2.4 million, $4.1 million, $5.6 million and $6.5 million, respectively.

[5]

The carrying values of the 2026 Notes, 2028 Notes, 2029 Notes and 2030 Notes are presented inclusive of an incremental $(5.8) million, $4.5 million, $3.3 million and $8.3 million, respectively, which represents an adjustment in the carrying values of the 2026 Notes, 2028 Notes, 2029 Notes and 2030 Notes, each resulting from a hedge accounting relationship.

[6]

The carrying values of the Revolving Credit Facility, 2026 Notes, 2028 Notes, 2029 Notes and 2030 Notes are presented net of the combination of deferred financing costs and original issue discounts totaling $15.1 million, $0.7 million, $3.3 million, $5.3 million and $6.6 million, respectively.