SOTHEBYS

CUSIP: 835898107 Class: COM

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

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

Q3 2015
Shares 198,925 Value ($000) $6,362 Avg Close — Range —
Q2 2015
Shares 198,925 Value ($000) $8,999 Avg Close — Range —
Q1 2015
Shares 208,050 Value ($000) $8,792 Avg Close — Range —
Q4 2014
Shares 20,250 Value ($000) $874 Avg Close — Range —
Q3 2014
Shares 47,585 Value ($000) $1,700 Avg Close — Range —
Q2 2014
Shares 74,340 Value ($000) $3,122 Avg Close — Range —
Q1 2014
Shares 70,105 Value ($000) $3,053 Avg Close — Range —
Q4 2013
Shares 16,435 Value ($000) $874 Avg Close — Range —
Q3 2013
Shares 12,700 Value ($000) $624 Avg Close — Range —