ING U S INC

CUSIP: 45685E106 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2013
Shares 14,317 Value ($000) $503 Avg Close — Range —
Q2 2013
Shares 11,984 Value ($000) $324 Avg Close — Range —