POLYMET MINING CORP

CUSIP: 731916102 Class: COM

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

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

Q4 2017
Shares 700 Value ($000) $1 Avg Close — Range —
Q3 2017
Shares 700 Value ($000) $1 Avg Close — Range —
Q2 2017
Shares 700 Value ($000) $1 Avg Close — Range —
Q1 2017
Shares 700 Value ($000) $1 Avg Close — Range —
Q4 2016
Shares 700 Value ($000) $1 Avg Close — Range —
Q3 2016
Shares 100 Value ($000) $0 Avg Close — Range —
Q2 2016
Shares 500 Value ($000) $1 Avg Close — Range —
Q1 2016
Shares 100 Value ($000) $0 Avg Close — Range —
Q2 2015
Shares 20 Value ($000) $0 Avg Close — Range —
Q1 2015
Shares 20 Value ($000) $0 Avg Close — Range —
Q4 2014
Shares 62 Value ($000) $0 Avg Close — Range —
Q3 2014
Shares 62 Value ($000) $0 Avg Close — Range —
Q2 2014
Shares 62 Value ($000) $0 Avg Close — Range —
Q1 2014
Shares 62 Value ($000) $0 Avg Close — Range —