WALGREEN CO

CUSIP: 931422109 Class: COM

HighVista Strategies LLC's Holding History (CIK: 0001335325)

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

Q3 2014
Shares 76,214 Value ($000) $4,517 Avg Close — Range —
Q2 2014
Shares 70,081 Value ($000) $5,195 Avg Close — Range —
Q1 2014
Shares 73,955 Value ($000) $5,080 Avg Close — Range —
Q4 2013
Shares 173,041 Value ($000) $9,939 Avg Close — Range —