NETSCOUT SYSTEMS INC — Director's Dealing 2013

May 15, 2013

SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: NETSCOUT SYSTEMS INC (NTCT)
CIK: 0001078075
Period of Report: 2013-03-31

Reporting Person: SINGHAL ANIL K (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-12-06	Common Stock	J	400000	—	Disposed	2190043	Indirect
2012-12-06	Common Stock	G	20410	—	Disposed	2169633	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	33849	Direct

Footnotes

F1: The transfer was made without the receipt of consideration by a trust for the benefit of the reporting person's spouse to a blind trust in connection with a 10b5-1 trading plan. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting
person is the beneficial owner of such securities for the purpose of Section 16 or for any other purpose.

F2: Price is N/A.

F3: The shares of Common Stock are beneficially owned by various trusts for the benefit of the reporting person and his spouse.

F4: The transfer was made without receipt of consideration by the reporting person to a charitable foundation in which the reporting person is a trustee but has no pecuniary interest.