AXCELIS TECHNOLOGIES INC

CUSIP: 05454010 Class: COM

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

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

Q4 2015
Shares 246,400 Value ($000) $638 Avg Close — Range —
Q3 2015
Shares 34,900 Value ($000) $93 Avg Close — Range —
Q1 2014
Shares 60,120 Value ($000) $129 Avg Close — Range —
Q4 2013
Shares 130,557 Value ($000) $319 Avg Close — Range —