AXCELIS TECHNOLOGIES INC

CUSIP: 054540109 Class: COMMON STOCK

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q2 2016
Shares 148,677 Value ($000) $400 Avg Close — Range —
Q1 2016
Shares 111,001 Value ($000) $311 Avg Close — Range —
Q4 2015
Shares 68,594 Value ($000) $178 Avg Close — Range —
Q3 2015
Shares 391,399 Value ($000) $1,045 Avg Close — Range —
Q2 2015
Shares 503,292 Value ($000) $1,490 Avg Close — Range —
Q1 2015
Shares 228,496 Value ($000) $544 Avg Close — Range —
Q1 2014
Shares 29,338 Value ($000) $63 Avg Close — Range —
Q4 2013
Shares 297,689 Value ($000) $726 Avg Close — Range —
Q3 2013
Shares 219,778 Value ($000) $463 Avg Close — Range —
Q2 2013
Shares 292,070 Value ($000) $532 Avg Close — Range —