NETSCOUT SYS INC

Ticker: NTCT CUSIP: 64115T104 Class: Common Stock

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q2 2018

Shares 323 Value ($000) $10 Avg Close $27.81 Range $23.15 - $31.05

Q1 2018

Shares 1,333 Value ($000) $35 Avg Close $27.19 Range $25.33 - $31.60

Q4 2017

Shares 253 Value ($000) $8 Avg Close $30.56 Range $27.65 - $33.50

Q3 2017

Shares 253 Value ($000) $8 Avg Close $33.37 Range $31.70 - $36.80

Q2 2015

Shares 170 Value ($000) $6 Avg Close $41.05 Range $36.25 - $45.53

Q3 2014

Shares 471,035 Value ($000) $21,573 Avg Close $44.79 Range $41.15 - $48.13

Q2 2014

Shares 431,629 Value ($000) $19,138 Avg Close $38.84 Range $33.30 - $44.54

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	323	$10	$27.81	$23.15 - $31.05
Q1 2018	1,333	$35	$27.19	$25.33 - $31.60
Q4 2017	253	$8	$30.56	$27.65 - $33.50
Q3 2017	253	$8	$33.37	$31.70 - $36.80
Q2 2015	170	$6	$41.05	$36.25 - $45.53
Q3 2014	471,035	$21,573	$44.79	$41.15 - $48.13
Q2 2014	431,629	$19,138	$38.84	$33.30 - $44.54