WALGREEN CO

CUSIP: 931422109 Class: COM

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q3 2014
Shares 344,563 Value ($000) $20,422 Avg Close — Range —
Q2 2014
Shares 353,363 Value ($000) $26,195 Avg Close — Range —
Q1 2014
Shares 349,321 Value ($000) $23,066 Avg Close — Range —
Q4 2013
Shares 384,912 Value ($000) $22,109 Avg Close — Range —
Q3 2013
Shares 391,790 Value ($000) $21,078 Avg Close — Range —
Q2 2013
Shares 407,793 Value ($000) $18,024 Avg Close — Range —