QUANTUM FUEL SYS TECH WORLDW

CUSIP: 74765E307 Class: COM

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

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

Q4 2015
Shares 1,119 Value ($000) $1 Avg Close — Range —
Q3 2015
Shares 97 Value ($000) $0 Avg Close — Range —
Q2 2015
Shares 401 Value ($000) $1 Avg Close — Range —
Q1 2015
Shares 301 Value ($000) $1 Avg Close — Range —
Q4 2014
Shares 480 Value ($000) $1 Avg Close — Range —
Q3 2014
Shares 4,467 Value ($000) $17 Avg Close — Range —
Q2 2014
Shares 757 Value ($000) $4 Avg Close — Range —
Q1 2014
Shares 1,930 Value ($000) $18 Avg Close — Range —
Q4 2013
Shares 3,098 Value ($000) $24 Avg Close — Range —