OCEAN RIG UDW INC

CUSIP: G66964100 Class: Common equity shares

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q1 2017
Shares 16 Value ($000) $0 Avg Close — Range —
Q4 2016
Shares 11,148 Value ($000) $19 Avg Close — Range —
Q3 2016
Shares 30,368 Value ($000) $26 Avg Close — Range —
Q2 2016
Shares 78,427 Value ($000) $194 Avg Close — Range —