GULFMARK OFFSHORE INC

CUSIP: 402629208 Class: COMMON STOCK

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q1 2016
Shares 2,600 Value ($000) $16 Avg Close — Range —
Q4 2015
Shares 18,400 Value ($000) $86 Avg Close — Range —