GULFMARK OFFSHORE INC

CUSIP: 402629208 Class: COMMON STOCK

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q4 2014
Shares 6,687 Value ($000) $163 Avg Close — Range —
Q1 2014
Shares 28,286 Value ($000) $1,271 Avg Close — Range —
Q3 2013
Shares 4,087 Value ($000) $208 Avg Close — Range —