COMMONWEALTH REIT

CUSIP: 203233101 Class: COMMON STOCK

MUFG Americas Holdings Corp's Holding History (CIK: 0001011659)

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

Q3 2011
Shares 58,600 Value ($000) $1,112 Avg Close — Range —
Q2 2011
Shares 28,000 Value ($000) $724 Avg Close — Range —
Q1 2011
Shares 30,925 Value ($000) $803 Avg Close — Range —
Q4 2010
Shares 30,925 Value ($000) $789 Avg Close — Range —