HELIX ENERGY SOLUTIONS GRP I

CUSIP: 42330PAK3 Class: NOTE 6.750

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

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

Q4 2021
Shares 12,000 Value ($000) $12 Avg Close — Range —
Q3 2021
Shares 12,000 Value ($000) $13 Avg Close — Range —
Q2 2021
Shares 12,000 Value ($000) $15 Avg Close — Range —
Q1 2021
Shares 12,000 Value ($000) $14 Avg Close — Range —
Q4 2020
Shares 12,000 Value ($000) $13 Avg Close — Range —
Q3 2020
Shares 12,000 Value ($000) $10 Avg Close — Range —