The NYSE Arca Networking Index (NWX) - Quarterly Rebalancing			
"Changes effective before the open of trading Monday, July 22, 2013"			
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Symbol	Component Name	Previous Share Weight	Rebalanced Share Weight
ADTN	ADTRAN Inc	217	225
ALU	Alcatel Lucent SA	8573	2816
ARRS	Arris Group Inc	276	389
AXE	Anixter International Inc	69	Deletion
BRCD	Brocade Communications Systems Inc	Addition	934
CIEN	Ciena Corp	309	262
CSCO	Cisco Systems Inc	562	587
ELX	Emulex Corp	763	Deletion
FFIV	F5 Networks Inc	Addition	189
HRS	Harris Corp	274	288
INFN	Infinera Corp	723	499
JNPR	Juniper Networks Inc	672	720
NTGR	NETGEAR Inc	166	179
PLCM	Polycom Inc	441	517
RVBD	Riverbed Technology Inc	Addition	353
SONS	Sonus Networks Inc	2145	Deletion
TLAB	Tellabs Inc	2309	2726
XXIA	Ixia	280	397
			
Additions			
BRCD	Brocade Communications Systems Inc		
FFIV	F5 Networks Inc		
RVBD	Riverbed Technology Inc		
			
Deletions			
AXE	Anixter International Inc		
ELX	Emulex Corp		
SONS	Sonus Networks Inc