WALGREEN CO

CUSIP: 931422109 Class: COM

SPHERA FUNDS MANAGEMENT LTD.'s Holding History (CIK: 0001496201)

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

Q2 2014
Shares 60,993 Value ($000) $4,521 Avg Close — Range —
Q1 2014
Shares 51,453 Value ($000) $3,397 Avg Close — Range —
Q4 2013
Shares 35,300 Value ($000) $2,028 Avg Close — Range —