WALGREEN CO

CUSIP: 931422109 Class: COM

PERCEPTIVE ADVISORS LLC's Holding History (CIK: 0001224962)

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

Q3 2014
Shares 50,000 Value ($000) $2,964 Avg Close — Range —
Q2 2014
Shares 282,000 Value ($000) $20,905 Avg Close — Range —
Q1 2014
Shares 304,419 Value ($000) $20,101 Avg Close — Range —
Q4 2013
Shares 322,000 Value ($000) $18,496 Avg Close — Range —
Q3 2013
Shares 187,870 Value ($000) $10,107 Avg Close — Range —