EXONE CO

CUSIP: 302104104 Class: COM

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q1 2015
Shares 1,000 Value ($000) $14 Avg Close — Range —
Q4 2014
Shares 1,000 Value ($000) $17 Avg Close — Range —
Q3 2014
Shares 1,000 Value ($000) $21 Avg Close — Range —
Q2 2014
Shares 1,000 Value ($000) $40 Avg Close — Range —
Q1 2014
Shares 1,002 Value ($000) $36 Avg Close — Range —
Q4 2013
Shares 8,602 Value ($000) $520 Avg Close — Range —
Q3 2013
Shares 2,376 Value ($000) $101 Avg Close — Range —
Q2 2013
Shares 19,337 Value ($000) $1,193 Avg Close — Range —