IRON MTN INC

CUSIP: 462846106 Class: COM

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

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

Q4 2014
Shares 16,436 Value ($000) $635 Avg Close — Range —
Q3 2014
Shares 14,925 Value ($000) $487 Avg Close — Range —
Q2 2014
Shares 33,575 Value ($000) $1,190 Avg Close — Range —
Q1 2014
Shares 33,200 Value ($000) $915 Avg Close — Range —
Q4 2013
Shares 33,100 Value ($000) $1,005 Avg Close — Range —
Q3 2013
Shares 32,425 Value ($000) $876 Avg Close — Range —
Q2 2013
Shares 31,850 Value ($000) $848 Avg Close — Range —