OCEAN RIG UDW INC

CUSIP: Y64354205 Class: COMMON STOCK-FO

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2013
Shares 894,179 Value ($000) $17,213 Avg Close — Range —
Q3 2013
Shares 2,901,473 Value ($000) $52,807 Avg Close — Range —
Q2 2013
Shares 3,067,463 Value ($000) $57,454 Avg Close — Range —