INTERNAP NETWORK SVCS CORP

CUSIP: 45885A30 Class: COM PAR $.001

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

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

Q1 2014
Shares 79,263 Value ($000) $561 Avg Close — Range —
Q4 2013
Shares 101,960 Value ($000) $767 Avg Close — Range —