PROOFPOINT INC

CUSIP: 743424AD5 Class: NOTE

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

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

Q2 2018
Shares 9,997,000 Value ($000) $14,731 Avg Close — Range —
Q1 2018
Shares 27,037,000 Value ($000) $39,706 Avg Close — Range —
Q4 2017
Shares 29,900,000 Value ($000) $37,658 Avg Close — Range —
Q3 2017
Shares 30,423,000 Value ($000) $38,023 Avg Close — Range —
Q2 2017
Shares 30,297,000 Value ($000) $37,824 Avg Close — Range —
Q1 2017
Shares 32,247,000 Value ($000) $36,769 Avg Close — Range —
Q4 2016
Shares 33,035,000 Value ($000) $37,513 Avg Close — Range —
Q3 2016
Shares 33,536,000 Value ($000) $38,942 Avg Close — Range —
Q2 2016
Shares 33,695,000 Value ($000) $36,028 Avg Close — Range —