CORPORATE OFFICE PPTYS TR

CUSIP: 22002T10 Class: SH BEN INT

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q1 2015
Shares 116,914 Value ($000) $3,435 Avg Close — Range —
Q4 2014
Shares 139,916 Value ($000) $3,969 Avg Close — Range —