ISHARES

CUSIP: 464286848 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2015
Shares 850,000 Value ($000) $10,302 Avg Close — Range —
Q3 2015
Shares 850,000 Value ($000) $9,716 Avg Close — Range —
Q2 2015
Shares 4,300,000 Value ($000) $55,083 Avg Close — Range —
Q1 2015
Shares 4,300,000 Value ($000) $53,879 Avg Close — Range —
Q3 2014
Shares 500,000 Value ($000) $5,665 Avg Close — Range —
Q1 2014
Shares 500,000 Value ($000) $5,665 Avg Close — Range —
Q4 2013
Shares 500,000 Value ($000) $6,070 Avg Close — Range —
Q2 2013
Shares 500,000 Value ($000) $5,610 Avg Close — Range —