WALGREEN CO

CUSIP: 93142210 Class: COM

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

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

Q3 2014
Shares 921,093 Value ($000) $54,593 Avg Close — Range —
Q1 2014
Shares 480,308 Value ($000) $31,715 Avg Close — Range —
Q3 2013
Shares 82,413 Value ($000) $4,434 Avg Close — Range —