ION GEOPHYSICAL CORP

CUSIP: 462044108 Class: COM

US BANCORP \DE\'s Holding History (CIK: 0000036104)

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

Q4 2015
Shares 90 Value ($000) $0 Avg Close — Range —
Q3 2015
Shares 90 Value ($000) $0 Avg Close — Range —
Q2 2015
Shares 90 Value ($000) $0 Avg Close — Range —
Q1 2015
Shares 90 Value ($000) $0 Avg Close — Range —
Q4 2014
Shares 90 Value ($000) $0 Avg Close — Range —
Q3 2014
Shares 90 Value ($000) $0 Avg Close — Range —
Q2 2014
Shares 90 Value ($000) $0 Avg Close — Range —
Q1 2014
Shares 90 Value ($000) $0 Avg Close — Range —
Q4 2013
Shares 90 Value ($000) $0 Avg Close — Range —
Q3 2013
Shares 90 Value ($000) $0 Avg Close — Range —
Q2 2013
Shares 4,290 Value ($000) $26 Avg Close — Range —