On August 21, 2012, Stuart McGuigan informed the Board of Directors, or the Board, of NetScout Systems, Inc., or the Company, that he is resigning from the Board effective as of such date. Mr. McGuigan's decision to resign from the Board did not result from any disagreements with the Company concerning any matters related to its operations, policies or practices.

On August 21, 2012, the Company held its Annual Meeting of Stockholders. As of June 28, 2012, the record date for the Annual Meeting, 41,708,608 shares of the Company's common stock were issued and outstanding. A summary of the matters voted upon by stockholders is set forth below.

1. The Company's stockholders re-elected each of Victor A. DeMarines and Vincent J. Mullarkey as a Class I director of the Company to serve a three-year term until the Company's 2015 annual meeting. The voting results were as follows:

                                Votes For        Withheld        Broker Non-Votes
        Victor A. DeMarines      36,675,342       1,464,790              2,119,807
        Vincent J. Mullarkey     37,138,791       1,001,341              2,119,807

2. The Company's stockholders ratified the appointment of PricewaterhouseCoopers LLP as the Company's independent registered public accounting firm for the fiscal year ending March 31, 2013. The voting results were as follows:

Votes For Votes Against Abstain Broker Non-Votes 39,985,373 197,768 76,798 0

3. The Company's stockholders approved, on an advisory basis, the compensation of the Company's named executive officers as disclosed in the Company's proxy statement. The voting results were as follows:

Votes For Votes Against Abstain Broker Non-Votes 36,879,851 1,198,919 61,362 2,119,807