BRISTOW GROUP INC

CUSIP: 110394103 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q3 2013
Shares 256,540 Value ($000) $18,666 Avg Close — Range —
Q2 2013
Shares 310,225 Value ($000) $20,264 Avg Close — Range —