EXONE CO

CUSIP: 302104104 Class: COM

DF DENT & CO INC's Holding History (CIK: 0000934999)

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

Q4 2013
Shares 4,750 Value ($000) $287 Avg Close — Range —
Q3 2013
Shares 4,750 Value ($000) $202 Avg Close — Range —
Q2 2013
Shares 5,000 Value ($000) $309 Avg Close — Range —