NETSCOUT SYSTEMS INC — Director's Dealing 2013

May 2, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NETSCOUT SYSTEMS INC (NTCT)
CIK: 0001078075
Period of Report: 2013-04-30

Reporting Person: SZABADOS MICHAEL (Chief Operating Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-04-30	Common Stock	S	2000	$22.593	Disposed	37765	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 $22.53 to $22.66.

F3: Includes 983 shares of Common Stock acquired under the Netscout Systems Inc. 2011 Employee Stock Purchase Plan on February 28, 2013.