OCEAN RIG UDW INC

CUSIP: G66964100 Class: Common equity shares

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

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

Q2 2017
Shares 74,298 Value ($000) $12 Avg Close — Range —
Q1 2017
Shares 34,498 Value ($000) $10 Avg Close — Range —
Q4 2016
Shares 235,175 Value ($000) $409 Avg Close — Range —
Q3 2016
Shares 197,306 Value ($000) $166 Avg Close — Range —
Q2 2016
Shares 196,233 Value ($000) $487 Avg Close — Range —