HELIX ENERGY SOLUTIONS GRP I

CUSIP: 42330PAG2 Class: CORPORATE OBLIG

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

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

Q1 2017
Shares 3,000,000 Value ($000) $2,963 Avg Close — Range —
Q4 2016
Shares 3,000,000 Value ($000) $2,975 Avg Close — Range —
Q3 2016
Shares 3,000,000 Value ($000) $2,839 Avg Close — Range —
Q2 2016
Shares 3,000,000 Value ($000) $2,630 Avg Close — Range —
Q1 2016
Shares 3,000,000 Value ($000) $2,385 Avg Close — Range —
Q4 2015
Shares 6,850,000 Value ($000) $5,276 Avg Close — Range —
Q3 2015
Shares 6,850,000 Value ($000) $5,673 Avg Close — Range —
Q2 2015
Shares 8,283,000 Value ($000) $7,930 Avg Close — Range —
Q1 2015
Shares 8,362,000 Value ($000) $8,350 Avg Close — Range —
Q4 2014
Shares 29,580,000 Value ($000) $32,707 Avg Close — Range —
Q3 2014
Shares 33,856,000 Value ($000) $39,956 Avg Close — Range —
Q2 2014
Shares 36,076,000 Value ($000) $48,820 Avg Close — Range —
Q1 2014
Shares 34,754,000 Value ($000) $42,935 Avg Close — Range —
Q4 2013
Shares 29,512,000 Value ($000) $35,669 Avg Close — Range —
Q3 2013
Shares 29,946,000 Value ($000) $39,888 Avg Close — Range —
Q2 2013
Shares 30,094,000 Value ($000) $37,697 Avg Close — Range —