NETSCOUT SYS INC

Ticker: NTCT CUSIP: 64115T104 Class: Common Stock

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q1 2020

Shares 196 Value ($000) $5 Avg Close $25.36 Range $19.11 - $29.62

Q4 2017

Shares 75 Value ($000) $2 Avg Close $30.56 Range $27.65 - $33.50

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	196	$5	$25.36	$19.11 - $29.62
Q4 2017	75	$2	$30.56	$27.65 - $33.50