GULFMARK OFFSHORE INC

CUSIP: 402629208 Class: COMMON STOCK

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q1 2015
Shares 3,000 Value ($000) $39 Avg Close — Range —
Q4 2014
Shares 3,000 Value ($000) $73 Avg Close — Range —
Q3 2014
Shares 3,000 Value ($000) $94 Avg Close — Range —
Q2 2014
Shares 3,000 Value ($000) $136 Avg Close — Range —
Q1 2014
Shares 3,000 Value ($000) $135 Avg Close — Range —
Q4 2013
Shares 3,000 Value ($000) $141 Avg Close — Range —
Q3 2013
Shares 3,000 Value ($000) $153 Avg Close — Range —
Q2 2013
Shares 3,000 Value ($000) $135 Avg Close — Range —