AGREEMENT JOINT FILING OF SCHEDULE 13D

EXHIBIT 14

AGREEMENT

JOINT FILING OF SCHEDULE 13D

The undersigned hereby agree to jointly prepare and file with regulatory authorities this Schedule 13D and any future amendments thereto reporting each of the undersigned’s beneficial ownership of securities of Energen Corporation, and hereby affirm that such Schedule 13D is being filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the other, except to the extent that he or it knows or has reason to believe that such information is inaccurate.

Dated: May 21, 2018

CORVEX MANAGEMENT LP

By:		/s/ Xxxxx Xxxxxxx
		Xxxxx Xxxxxxx
		Managing Partner

XXXXX XXXXXXX
By:		/s/ Xxxxx Xxxxxxx
		Xxxxx Xxxxxxx

ICAHN PARTNERS MASTER FUND LP

ICAHN OFFSHORE LP

ICAHN PARTNERS LP

ICAHN ONSHORE XX

XXXXXXX CORP.

XXXXXX INVESTMENTS LLC

BARBERRY CORP.

HIGH RIVER LIMITED PARTNERSHIP

		By:		Xxxxxx Investments LLC, general partner
		By:		Barberry Corp.

		By:		/s/ Xxxxxx X. Xxxxxxx
				Name: Xxxxxx X. Xxxxxxx
				Title: Authorized Signatory

ICAHN CAPITAL LP

		By:		IPH GP LLC, its general partner
		By:		Icahn Enterprises Holdings L.P., its sole member
		By:		Icahn Enterprises G.P. Inc., its general partner

IPH GP LLC

		By:		Icahn Enterprises Holdings L.P., its sole member
		By:		Icahn Enterprises G.P. Inc., its general partner

ICAHN ENTERPRISES HOLDINGS L.P.
		By:		Icahn Enterprises G.P. Inc., its general partner
ICAHN ENTERPRISES G.P. INC.

By:		/s/ XxxxXxxx Xxx
		Name: XxxxXxxx Xxx
		Title: Chief Financial Officer

/s/ Xxxx X. Xxxxx

XXXX X. XXXXX