IMPAX LABORATORIES INC

CUSIP: 45256B10 Class: COM

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

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

Q4 2014
Shares 43,464 Value ($000) $1,377 Avg Close — Range —
Q3 2014
Shares 70,754 Value ($000) $1,678 Avg Close — Range —
Q2 2014
Shares 15,448 Value ($000) $463 Avg Close — Range —
Q1 2014
Shares 283,287 Value ($000) $7,484 Avg Close — Range —
Q4 2013
Shares 51,007 Value ($000) $1,282 Avg Close — Range —