IRON MTN INC

CUSIP: 462846106 Class: COM

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q4 2014
Shares 6,327 Value ($000) $245 Avg Close — Range —
Q3 2014
Shares 5,900 Value ($000) $217 Avg Close — Range —
Q2 2014
Shares 5,800 Value ($000) $207 Avg Close — Range —
Q1 2014
Shares 5,800 Value ($000) $160 Avg Close — Range —
Q4 2013
Shares 5,600 Value ($000) $170 Avg Close — Range —
Q3 2013
Shares 5,600 Value ($000) $151 Avg Close — Range —