BLACKROCK INC

CUSIP: 09247X101 Class: COM

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

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

Q1 2015
Shares 101,230 Value ($000) $37,034 Avg Close — Range —
Q3 2014
Shares 211,857 Value ($000) $66,625 Avg Close — Range —
Q2 2014
Shares 198,837 Value ($000) $63,548 Avg Close — Range —
Q1 2014
Shares 211,857 Value ($000) $66,625 Avg Close — Range —