WILLBROS GROUP INC DEL

CUSIP: 969203108 Class: COMMON STOCK

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q4 2017
Shares 21,140 Value ($000) $30 Avg Close — Range —
Q3 2017
Shares 13,300 Value ($000) $43 Avg Close — Range —
Q2 2017
Shares 35,636 Value ($000) $88 Avg Close — Range —
Q1 2017
Shares 32,198 Value ($000) $88 Avg Close — Range —
Q3 2016
Shares 23,026 Value ($000) $43 Avg Close — Range —
Q1 2015
Shares 150,127 Value ($000) $497 Avg Close — Range —