NETSCOUT SYS INC

Ticker: NTCT CUSIP: 64115T104 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

Note: Option positions (PUT/CALL) are excluded.

Q4 2017

Shares 12,852 Value ($000) $391 Avg Close $30.56 Range $27.65 - $33.50

Q3 2017

Shares 599 Value ($000) $19 Avg Close $33.37 Range $31.70 - $36.80

Q2 2017

Shares 2,001 Value ($000) $69 Avg Close $36.18 Range $32.25 - $38.48

Q3 2016

Shares 1,097 Value ($000) $32 Avg Close $27.44 Range $21.46 - $30.31

Q2 2016

Shares 33,820 Value ($000) $752 Avg Close $23.15 Range $20.99 - $25.33

Q2 2015

Shares 69,824 Value ($000) $2,560 Avg Close $41.05 Range $36.25 - $45.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	12,852	$391	$30.56	$27.65 - $33.50
Q3 2017	599	$19	$33.37	$31.70 - $36.80
Q2 2017	2,001	$69	$36.18	$32.25 - $38.48
Q3 2016	1,097	$32	$27.44	$21.46 - $30.31
Q2 2016	33,820	$752	$23.15	$20.99 - $25.33
Q2 2015	69,824	$2,560	$41.05	$36.25 - $45.53