ION GEOPHYSICAL CORP

CUSIP: 462044AJ7 Class: NOTE 8.00

DUPONT CAPITAL MANAGEMENT CORP's Holding History (CIK: 0001128251)

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

Q1 2022
Shares 1,044,000 Value ($000) $570 Avg Close — Range —
Q4 2021
Shares 1,044,000 Value ($000) $734 Avg Close — Range —
Q3 2021
Shares 1,044,000 Value ($000) $903 Avg Close — Range —
Q2 2021
Shares 1,044,000 Value ($000) $1,060 Avg Close — Range —