GULFMARK OFFSHORE INC

CUSIP: 402629208 Class: COMMON STOCK

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q2 2014
Shares 9,500 Value ($000) $429 Avg Close — Range —
Q1 2014
Shares 332,465 Value ($000) $14,941 Avg Close — Range —
Q4 2013
Shares 412,781 Value ($000) $19,454 Avg Close — Range —
Q3 2013
Shares 380,660 Value ($000) $19,372 Avg Close — Range —
Q2 2013
Shares 380,485 Value ($000) $17,156 Avg Close — Range —