BRISTOW GROUP INC

CUSIP: 110394103 Class: COM

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q3 2018
Shares 34,520 Value ($000) $419 Avg Close — Range —
Q2 2018
Shares 33,620 Value ($000) $474 Avg Close — Range —
Q1 2018
Shares 35,120 Value ($000) $457 Avg Close — Range —
Q4 2017
Shares 35,120 Value ($000) $473 Avg Close — Range —