NETSCOUT SYS INC

Ticker: NTCT CUSIP: 64115T104 Class: Common Stock

THOMPSON SIEGEL & WALMSLEY LLC's Holding History (CIK: 0001008322)

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

Q3 2013

Shares 48,595 Value ($000) $1,240 Avg Close $25.82 Range $23.22 - $27.55

Q2 2013

Shares 832,942 Value ($000) $19,440 Avg Close $23.24 Range $21.22 - $24.92

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2013	48,595	$1,240	$25.82	$23.22 - $27.55
Q2 2013	832,942	$19,440	$23.24	$21.22 - $24.92