WALGREEN CO

CUSIP: 931422109 Class: COM

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q3 2014
Shares 1,785,721 Value ($000) $105,840 Avg Close — Range —
Q2 2014
Shares 592,395 Value ($000) $43,914 Avg Close — Range —
Q1 2014
Shares 593,445 Value ($000) $39,185 Avg Close — Range —
Q4 2013
Shares 596,050 Value ($000) $34,237 Avg Close — Range —
Q3 2013
Shares 596,970 Value ($000) $32,117 Avg Close — Range —
Q2 2013
Shares 596,340 Value ($000) $26,358 Avg Close — Range —