INDEPENDENCE CONTRACT DRIL I

CUSIP: 453415309 Class: COM

JENNISON ASSOCIATES LLC's Holding History (CIK: 0000053417)

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

Q2 2019
Shares 1,501,472 Value ($000) $2,372 Avg Close — Range —
Q1 2019
Shares 1,783,468 Value ($000) $4,940 Avg Close — Range —
Q4 2018
Shares 1,785,554 Value ($000) $5,571 Avg Close — Range —
Q3 2018
Shares 1,758,649 Value ($000) $8,688 Avg Close — Range —
Q2 2018
Shares 1,759,390 Value ($000) $7,249 Avg Close — Range —
Q1 2018
Shares 1,759,253 Value ($000) $6,650 Avg Close — Range —
Q4 2017
Shares 2,080,588 Value ($000) $8,281 Avg Close — Range —
Q3 2017
Shares 2,084,631 Value ($000) $7,922 Avg Close — Range —
Q2 2017
Shares 2,089,543 Value ($000) $8,128 Avg Close — Range —
Q1 2017
Shares 2,094,551 Value ($000) $11,541 Avg Close — Range —
Q4 2016
Shares 2,094,088 Value ($000) $14,030 Avg Close — Range —
Q3 2016
Shares 2,162,936 Value ($000) $11,355 Avg Close — Range —
Q2 2016
Shares 2,161,413 Value ($000) $11,736 Avg Close — Range —
Q1 2016
Shares 2,162,717 Value ($000) $10,316 Avg Close — Range —
Q4 2015
Shares 2,498,066 Value ($000) $12,615 Avg Close — Range —
Q3 2015
Shares 2,695,263 Value ($000) $13,422 Avg Close — Range —
Q2 2015
Shares 2,681,169 Value ($000) $23,782 Avg Close — Range —
Q1 2015
Shares 2,623,687 Value ($000) $18,287 Avg Close — Range —
Q4 2014
Shares 2,607,472 Value ($000) $13,611 Avg Close — Range —
Q3 2014
Shares 2,446,531 Value ($000) $28,747 Avg Close — Range —