SIRIUS XM HOLDINGS INC

CUSIP: 82968B103 Class: Common Stock

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

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

Q3 2014
Shares 13,856,294 Value ($000) $48,358 Avg Close — Range —
Q2 2014
Shares 18,391,752 Value ($000) $63,635 Avg Close — Range —
Q1 2014
Shares 22,437,739 Value ($000) $71,801 Avg Close — Range —
Q4 2013
Shares 22,528,075 Value ($000) $78,623 Avg Close — Range —