IRON MTN INC

CUSIP: 462846106 Class: COM

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q3 2014
Shares 250,153 Value ($000) $8,167 Avg Close — Range —
Q2 2014
Shares 253,847 Value ($000) $8,999 Avg Close — Range —
Q1 2014
Shares 258,824 Value ($000) $7,136 Avg Close — Range —
Q4 2013
Shares 262,573 Value ($000) $7,969 Avg Close — Range —
Q3 2013
Shares 285,086 Value ($000) $7,703 Avg Close — Range —
Q2 2013
Shares 282,868 Value ($000) $7,527 Avg Close — Range —