WILLBROS GROUP INC DEL

CUSIP: 969203108 Class: COMMON STOCK

Oppenheimer & Close, LLC's Holding History (CIK: 0001591377)

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

Q4 2017
Shares 15,000 Value ($000) $21 Avg Close — Range —
Q3 2017
Shares 15,000 Value ($000) $48 Avg Close — Range —
Q2 2017
Shares 15,000 Value ($000) $37 Avg Close — Range —
Q1 2017
Shares 15,000 Value ($000) $41 Avg Close — Range —
Q4 2016
Shares 15,000 Value ($000) $48 Avg Close — Range —
Q3 2016
Shares 15,000 Value ($000) $28 Avg Close — Range —
Q2 2016
Shares 15,000 Value ($000) $37 Avg Close — Range —
Q1 2016
Shares 15,000 Value ($000) $32 Avg Close — Range —
Q4 2015
Shares 15,000 Value ($000) $40 Avg Close — Range —
Q3 2015
Shares 15,000 Value ($000) $19 Avg Close — Range —
Q2 2015
Shares 10,500 Value ($000) $13 Avg Close — Range —