WALGREEN CO

CUSIP: 931422109 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q3 2014
Shares 562,164 Value ($000) $33,319 Avg Close — Range —
Q2 2014
Shares 1,987,968 Value ($000) $147,368 Avg Close — Range —
Q1 2014
Shares 2,010,800 Value ($000) $132,773 Avg Close — Range —
Q4 2013
Shares 482,360 Value ($000) $27,706 Avg Close — Range —
Q3 2013
Shares 1,793,936 Value ($000) $96,513 Avg Close — Range —
Q2 2013
Shares 43,504 Value ($000) $1,923 Avg Close — Range —