IRON MTN INC

CUSIP: 462846106 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q2 2014
Shares 186,319 Value ($000) $6,605 Avg Close — Range —
Q1 2014
Shares 165,411 Value ($000) $4,560 Avg Close — Range —
Q4 2013
Shares 91,203 Value ($000) $2,768 Avg Close — Range —
Q3 2013
Shares 5,850 Value ($000) $158 Avg Close — Range —