WALGREEN CO

CUSIP: 931422109 Class: COM

SECURITY NATIONAL BANK OF SO DAK's Holding History (CIK: 0001105909)

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

Q4 2013
Shares 9,250 Value ($000) $532 Avg Close — Range —
Q3 2013
Shares 14,600 Value ($000) $786 Avg Close — Range —
Q2 2013
Shares 13,172 Value ($000) $582 Avg Close — Range —