WALGREEN CO

CUSIP: 931422109 Class: COM

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q3 2014
Shares 1,763,008 Value ($000) $104,493 Avg Close — Range —
Q2 2014
Shares 1,766,210 Value ($000) $130,929 Avg Close — Range —
Q1 2014
Shares 1,816,411 Value ($000) $119,938 Avg Close — Range —
Q4 2013
Shares 1,847,365 Value ($000) $106,113 Avg Close — Range —
Q3 2013
Shares 1,903,156 Value ($000) $102,390 Avg Close — Range —
Q2 2013
Shares 1,933,646 Value ($000) $85,467 Avg Close — Range —