INDEPENDENCE CONTRACT DRIL I

CUSIP: 453415309 Class: COM

KINGDON CAPITAL MANAGEMENT, L.L.C.'s Holding History (CIK: 0001000097)

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

Q1 2015
Shares 722,500 Value ($000) $5,036 Avg Close — Range —
Q4 2014
Shares 722,500 Value ($000) $3,771 Avg Close — Range —
Q3 2014
Shares 625,000 Value ($000) $7,344 Avg Close — Range —