NETSCOUT SYSTEMS INC — Director's Dealing 2013

May 9, 2013

SEC Form 4/A — Form 4/A

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

Reporting Person: EGAN JOHN R (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-04-30	Common Stock	M	10000	$5.41	Acquired	45478	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-04-30	Stock Options (Right to Buy)	$5.41	M	10000	Disposed	2013-10-14	Common Stock (10000)	Direct

Footnotes

F1: Option was exercised.

F2: In the prior report filed on May 2, 2013, it was reported that Mr. Egan exercised 10,000 options and concurrent with such option exercise, transferred 10,000 shares to a revocable trust for his benefit. Mr. Egan is the sole beneficiary and sole trustee of such revocable trust. This report is being filed to reflect that such shares are not required to be reported as being held indirectly by Mr. Egan.

F3: Date is N/A.