WALGREEN CO

CUSIP: 931422109 Class: COM

SECURITY NATIONAL BANK OF SIOUX CITY IOWA /IA/'s Holding History (CIK: 0000894309)

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

Q4 2013
Shares 13,994 Value ($000) $804 Avg Close — Range —
Q3 2013
Shares 19,169 Value ($000) $1,032 Avg Close — Range —
Q2 2013
Shares 18,159 Value ($000) $802 Avg Close — Range —