NETSCOUT SYS INC

CUSIP: 64115T10 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2015
Shares 219,881 Value ($000) $6,750 Avg Close — Range —
Q3 2015
Shares 38,300 Value ($000) $1,404 Avg Close — Range —
Q2 2015
Shares 38,300 Value ($000) $1,404 Avg Close — Range —
Q4 2014
Shares 56,436 Value ($000) $2,062 Avg Close — Range —
Q3 2014
Shares 50,717 Value ($000) $2,323 Avg Close — Range —
Q2 2014
Shares 20,230 Value ($000) $897 Avg Close — Range —
Q4 2013
Shares 10,058 Value ($000) $298 Avg Close — Range —
Q3 2013
Shares 4,500 Value ($000) $115 Avg Close — Range —