IRON MTN INC

CUSIP: 462846106 Class: COM

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

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

Q4 2014
Shares 21,376 Value ($000) $826 Avg Close — Range —
Q3 2014
Shares 20,246 Value ($000) $661 Avg Close — Range —
Q2 2014
Shares 20,296 Value ($000) $719 Avg Close — Range —
Q1 2014
Shares 17,926 Value ($000) $494 Avg Close — Range —
Q4 2013
Shares 18,102 Value ($000) $549 Avg Close — Range —
Q3 2013
Shares 18,152 Value ($000) $490 Avg Close — Range —
Q2 2013
Shares 17,148 Value ($000) $456 Avg Close — Range —