INDEPENDENCE CONTRACT DRIL I

CUSIP: 453415309 Class: COM

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

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

Q3 2019
Shares 788 Value ($000) $1 Avg Close — Range —
Q2 2019
Shares 9,677 Value ($000) $15 Avg Close — Range —
Q1 2019
Shares 43,522 Value ($000) $121 Avg Close — Range —
Q4 2018
Shares 4,121 Value ($000) $13 Avg Close — Range —
Q2 2018
Shares 4,823 Value ($000) $20 Avg Close — Range —
Q1 2018
Shares 3,194 Value ($000) $13 Avg Close — Range —
Q4 2017
Shares 2,847 Value ($000) $11 Avg Close — Range —
Q3 2017
Shares 9,104 Value ($000) $34 Avg Close — Range —
Q4 2016
Shares 90 Value ($000) $1 Avg Close — Range —
Q3 2016
Shares 12,406 Value ($000) $65 Avg Close — Range —
Q1 2016
Shares 320 Value ($000) $2 Avg Close — Range —
Q4 2015
Shares 8,212 Value ($000) $41 Avg Close — Range —
Q3 2015
Shares 13,668 Value ($000) $68 Avg Close — Range —
Q2 2015
Shares 8,956 Value ($000) $79 Avg Close — Range —
Q3 2014
Shares 13,881 Value ($000) $163 Avg Close — Range —