IRON MTN INC

CUSIP: 462846106 Class: COM

RiverFront Investment Group, LLC's Holding History (CIK: 0001469751)

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

Q3 2011
Shares 780,232 Value ($000) $24,671 Avg Close — Range —
Q2 2011
Shares 792,316 Value ($000) $27,010 Avg Close — Range —
Q1 2011
Shares 761,166 Value ($000) $23,771 Avg Close — Range —
Q4 2010
Shares 697,660 Value ($000) $17,448 Avg Close — Range —