BRISTOW GROUP INC

CUSIP: 110394103 Class: COM

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

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

Q2 2018
Shares 4,483 Value ($000) $63 Avg Close — Range —
Q1 2018
Shares 4,483 Value ($000) $58 Avg Close — Range —
Q4 2017
Shares 7,609 Value ($000) $102 Avg Close — Range —
Q3 2017
Shares 7,609 Value ($000) $71 Avg Close — Range —
Q2 2017
Shares 7,609 Value ($000) $58 Avg Close — Range —
Q1 2017
Shares 7,609 Value ($000) $116 Avg Close — Range —
Q4 2016
Shares 7,773 Value ($000) $159 Avg Close — Range —
Q3 2016
Shares 7,773 Value ($000) $109 Avg Close — Range —
Q2 2016
Shares 7,773 Value ($000) $89 Avg Close — Range —
Q1 2016
Shares 152,034 Value ($000) $2,876 Avg Close — Range —
Q4 2015
Shares 152,034 Value ($000) $3,938 Avg Close — Range —
Q3 2015
Shares 152,034 Value ($000) $3,977 Avg Close — Range —
Q2 2015
Shares 152,307 Value ($000) $8,118 Avg Close — Range —
Q1 2015
Shares 152,773 Value ($000) $8,318 Avg Close — Range —
Q4 2014
Shares 153,712 Value ($000) $10,113 Avg Close — Range —
Q3 2014
Shares 153,712 Value ($000) $10,329 Avg Close — Range —
Q2 2014
Shares 153,712 Value ($000) $12,392 Avg Close — Range —
Q1 2014
Shares 130,061 Value ($000) $9,822 Avg Close — Range —
Q4 2013
Shares 130,061 Value ($000) $9,762 Avg Close — Range —
Q3 2013
Shares 90,061 Value ($000) $6,553 Avg Close — Range —
Q2 2013
Shares 90,061 Value ($000) $5,883 Avg Close — Range —