AXCELIS TECHNOLOGIES INC

CUSIP: 054540109 Class: COMMON STOCK

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q1 2016
Shares 40,700 Value ($000) $114 Avg Close — Range —
Q4 2015
Shares 25,900 Value ($000) $67 Avg Close — Range —
Q3 2015
Shares 38,500 Value ($000) $103 Avg Close — Range —
Q2 2015
Shares 9,100 Value ($000) $27 Avg Close — Range —