WALGREEN CO

CUSIP: 931422109 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q3 2014
Shares 1,378,584 Value ($000) $81,708 Avg Close — Range —
Q2 2014
Shares 1,401,125 Value ($000) $103,865 Avg Close — Range —
Q1 2014
Shares 1,408,969 Value ($000) $93,034 Avg Close — Range —
Q4 2013
Shares 1,404,014 Value ($000) $80,646 Avg Close — Range —
Q3 2013
Shares 1,442,506 Value ($000) $77,606 Avg Close — Range —
Q2 2013
Shares 1,479,913 Value ($000) $65,412 Avg Close — Range —