GULFMARK OFFSHORE INC

CUSIP: 402629208 Class: COMMON STOCK

Boston Partners's Holding History (CIK: 0001386060)

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

Q1 2015
Shares 68,378 Value ($000) $892 Avg Close — Range —
Q4 2014
Shares 138,517 Value ($000) $3,383 Avg Close — Range —
Q3 2014
Shares 116,779 Value ($000) $3,661 Avg Close — Range —