COMMONWEALTH REIT

CUSIP: 203233101 Class: COMMON STOCK

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q2 2014
Shares 216,285 Value ($000) $5,693 Avg Close — Range —
Q1 2014
Shares 215,185 Value ($000) $5,659 Avg Close — Range —
Q4 2013
Shares 214,185 Value ($000) $4,993 Avg Close — Range —
Q3 2013
Shares 212,785 Value ($000) $4,662 Avg Close — Range —
Q2 2013
Shares 206,154 Value ($000) $4,766 Avg Close — Range —
Q1 2013
Shares 205,695 Value ($000) $4,616 Avg Close — Range —