AMKOR TECHNOLOGY INC

CUSIP: 03165210 Class: COM

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

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

Q3 2016
Shares 2,143,347 Value ($000) $20,833 Avg Close — Range —
Q2 2016
Shares 584,390 Value ($000) $3,360 Avg Close — Range —
Q1 2016
Shares 540,442 Value ($000) $3,183 Avg Close — Range —
Q4 2015
Shares 726,945 Value ($000) $4,420 Avg Close — Range —
Q3 2015
Shares 987,220 Value ($000) $5,904 Avg Close — Range —
Q2 2015
Shares 987,220 Value ($000) $5,904 Avg Close — Range —
Q1 2015
Shares 1,838,356 Value ($000) $16,242 Avg Close — Range —
Q4 2014
Shares 1,869,956 Value ($000) $13,277 Avg Close — Range —
Q3 2014
Shares 1,446,764 Value ($000) $12,167 Avg Close — Range —
Q2 2014
Shares 1,743,723 Value ($000) $19,495 Avg Close — Range —
Q1 2014
Shares 1,823,872 Value ($000) $12,512 Avg Close — Range —
Q4 2013
Shares 769,333 Value ($000) $4,716 Avg Close — Range —
Q3 2013
Shares 430,208 Value ($000) $1,845 Avg Close — Range —
Q2 2013
Shares 978,837 Value ($000) $4,121 Avg Close — Range —