AXCELIS TECHNOLOGIES INC

CUSIP: 054540109 Class: COMMON STOCK

Potomac Capital Management, Inc.'s Holding History (CIK: 0001418746)

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

Q3 2015
Shares 54,480 Value ($000) $145 Avg Close — Range —
Q2 2015
Shares 1,466,674 Value ($000) $4,341 Avg Close — Range —
Q1 2015
Shares 1,877,894 Value ($000) $4,469 Avg Close — Range —
Q2 2014
Shares 2,834,047 Value ($000) $5,668 Avg Close — Range —
Q4 2013
Shares 4,298,744 Value ($000) $10,489 Avg Close — Range —