NETSCOUT SYSTEMS INC — Director's Dealing 2012

May 10, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NETSCOUT SYSTEMS INC (NTCT)
CIK: 0001078075
Period of Report: 2012-05-08

Reporting Person: SZABADOS MICHAEL (Chief Operating Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-08	Common Stock	S	2000	$19.0312	Disposed	46502	Direct

Footnotes

F1: The shares of Common Stock were sold pursuant to a 10b5-1 plan.

F2: The shares sold on this date were sold in multiple transactions. This price is the weighted average sales price per share; the actual sales price per share ranged from $18.98 to $19.06.