AXCELIS TECHNOLOGIES INC

CUSIP: 054540109 Class: COMMON STOCK

TWO SIGMA ADVISERS, LP's Holding History (CIK: 0001478735)

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

Q2 2016
Shares 179,900 Value ($000) $484 Avg Close — Range —
Q1 2016
Shares 166,800 Value ($000) $467 Avg Close — Range —
Q4 2015
Shares 177,724 Value ($000) $460 Avg Close — Range —
Q3 2015
Shares 249,509 Value ($000) $684 Avg Close — Range —
Q2 2015
Shares 261,002 Value ($000) $773 Avg Close — Range —
Q1 2015
Shares 92,400 Value ($000) $220 Avg Close — Range —
Q4 2014
Shares 14,000 Value ($000) $36 Avg Close — Range —
Q3 2014
Shares 17,900 Value ($000) $36 Avg Close — Range —
Q2 2014
Shares 79,400 Value ($000) $159 Avg Close — Range —
Q1 2014
Shares 101,600 Value ($000) $218 Avg Close — Range —
Q4 2013
Shares 128,600 Value ($000) $315 Avg Close — Range —
Q3 2013
Shares 104,500 Value ($000) $220 Avg Close — Range —
Q2 2013
Shares 110,100 Value ($000) $200 Avg Close — Range —