AETERNA ZENTARIS INC

CUSIP: 007975303 Class: COM NEW

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q3 2014
Shares 18,844 Value ($000) $25 Avg Close — Range —
Q2 2014
Shares 21,828 Value ($000) $25 Avg Close — Range —
Q1 2014
Shares 43,126 Value ($000) $50 Avg Close — Range —
Q4 2013
Shares 13,275 Value ($000) $18 Avg Close — Range —
Q2 2013
Shares 3,254 Value ($000) $6 Avg Close — Range —