<SEC-DOCUMENT>0001085146-15-000330-index.html : 20150210
<SEC-HEADER>0001085146-15-000330.hdr.sgml : 20150210
<ACCEPTANCE-DATETIME>20150209200542
ACCESSION NUMBER:		0001085146-15-000330
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150210
DATE AS OF CHANGE:		20150209

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:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-34699
		FILM NUMBER:		15590131

	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:			Boston Partners
		CENTRAL INDEX KEY:			0001386060
		IRS NUMBER:				980202744
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		ONE BEACON STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02108
		BUSINESS PHONE:		2129089500

	MAIL ADDRESS:	
		STREET 1:		909 THIRD AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Robeco Investment Management, Inc.
		DATE OF NAME CHANGE:	20070111
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>egn_20915.htm
<TEXT>
Document 1 - file: egn_20915.htm

</DOCUMENT>
</SEC-DOCUMENT>