<SEC-DOCUMENT>0001193125-18-249524-index.html : 20180815
<SEC-HEADER>0001193125-18-249524.hdr.sgml : 20180815
<ACCEPTANCE-DATETIME>20180815131248
ACCESSION NUMBER:		0001193125-18-249524
CONFORMED SUBMISSION TYPE:	425
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20180815
DATE AS OF CHANGE:		20180815

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENERGEN CORP
		CENTRAL INDEX KEY:			0000277595
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				630757759
		STATE OF INCORPORATION:			AL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		425
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07810
		FILM NUMBER:		181020439

	BUSINESS ADDRESS:	
		STREET 1:		605 RICHARD ARRINGTON JR BLVD N
		CITY:			BIRMINGHAM
		STATE:			AL
		ZIP:			35203-2707
		BUSINESS PHONE:		2053262997

	MAIL ADDRESS:	
		STREET 1:		605 RICHARD ARRINGTON JR BLVD N
		CITY:			BIRMINGHAM
		STATE:			AL
		ZIP:			35203

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALAGASCO INC
		DATE OF NAME CHANGE:	19851002

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Diamondback Energy, Inc.
		CENTRAL INDEX KEY:			0001539838
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		425

	BUSINESS ADDRESS:	
		STREET 1:		500 WEST TEXAS
		STREET 2:		SUITE 1210
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79701
		BUSINESS PHONE:		405-463-6900

	MAIL ADDRESS:	
		STREET 1:		9400 N. BROADWAY
		STREET 2:		SUITE 700
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73114
</SEC-HEADER>
<DOCUMENT>
<TYPE>425
<SEQUENCE>1
<FILENAME>d593162d8k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: d593162d8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-2.1
<SEQUENCE>2
<FILENAME>d593162dex21.htm
<DESCRIPTION>EX-2.1
<TEXT>
Document 2 - file: d593162dex21.htm

</DOCUMENT>
</SEC-DOCUMENT>