BIOAMBER INC

CUSIP: 09072Q114 Class: *W EXP 05/09/201

PIPER SANDLER & CO.'s Holding History (CIK: 0000724683)

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

Q1 2015
Shares 14,330 Value ($000) $23 Avg Close — Range —
Q4 2014
Shares 11,426 Value ($000) $19 Avg Close — Range —
Q1 2014
Shares 40,012 Value ($000) $87 Avg Close — Range —