GULFMARK OFFSHORE INC

CUSIP: 402629109 Class: CL A

GLENMEDE TRUST CO NA's Holding History (CIK: 0000314949)

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

Q4 2009
Shares 20,973 Value ($000) $593 Avg Close — Range —
Q3 2009
Shares 20,677 Value ($000) $676 Avg Close — Range —
Q2 2009
Shares 20,377 Value ($000) $562 Avg Close — Range —
Q1 2009
Shares 19,458 Value ($000) $464 Avg Close — Range —
Q4 2008
Shares 20,889 Value ($000) $496 Avg Close — Range —
Q3 2008
Shares 21,990 Value ($000) $986 Avg Close — Range —
Q2 2008
Shares 22,800 Value ($000) $1,326 Avg Close — Range —
Q1 2008
Shares 39,240 Value ($000) $2,147 Avg Close — Range —