IRON MTN INC

CUSIP: 462846106 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2014
Shares 804,759 Value ($000) $31,116 Avg Close — Range —
Q3 2014
Shares 679,493 Value ($000) $22,190 Avg Close — Range —
Q2 2014
Shares 772,019 Value ($000) $27,366 Avg Close — Range —
Q1 2014
Shares 527,142 Value ($000) $14,531 Avg Close — Range —
Q4 2013
Shares 336,648 Value ($000) $10,218 Avg Close — Range —
Q3 2013
Shares 330,933 Value ($000) $8,944 Avg Close — Range —
Q2 2013
Shares 323,933 Value ($000) $8,621 Avg Close — Range —