WALGREEN CO

CUSIP: 931422109 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q3 2014
Shares 1,000 Value ($000) $66 Avg Close — Range —
Q2 2014
Shares 1,000 Value ($000) $74 Avg Close — Range —
Q1 2014
Shares 1,000 Value ($000) $66 Avg Close — Range —
Q4 2013
Shares 1,000 Value ($000) $57 Avg Close — Range —
Q3 2013
Shares 480 Value ($000) $28 Avg Close — Range —
Q2 2013
Shares 1,000 Value ($000) $44 Avg Close — Range —