<SEC-DOCUMENT>0001144204-15-002591-index.html : 20150116
<SEC-HEADER>0001144204-15-002591.hdr.sgml : 20150116
<ACCEPTANCE-DATETIME>20150116170533
ACCESSION NUMBER:		0001144204-15-002591
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150116
DATE AS OF CHANGE:		20150116

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SOUTHWESTERN ENERGY CO
		CENTRAL INDEX KEY:			0000007332
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				710205415
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-08838
		FILM NUMBER:		15533279

	BUSINESS ADDRESS:	
		STREET 1:		2350 N. SAM HOUSTON PARKWAY EAST
		STREET 2:		SUITE 125
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77032
		BUSINESS PHONE:		2816184700

	MAIL ADDRESS:	
		STREET 1:		2350 N. SAM HOUSTON PARKWAY EAST
		STREET 2:		SUITE 125
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77032

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARKANSAS WESTERN GAS CO
		DATE OF NAME CHANGE:	19790917

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BROWN BROTHERS HARRIMAN & CO
		CENTRAL INDEX KEY:			0000014661
		IRS NUMBER:				134973745
		STATE OF INCORPORATION:			NY

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		140 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005-1101
		BUSINESS PHONE:		2124938200

	MAIL ADDRESS:	
		STREET 1:		140 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005-1101
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>v398918_sc13ga.htm
<DESCRIPTION>SCHEDULE 13G AMENDMENT NO. 1
<TEXT>
Document 1 - file: v398918_sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>