WILLBROS GROUP INC DEL

CUSIP: 969203108 Class: COMMON STOCK

UBS Group AG's Holding History (CIK: 0001610520)

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

Q4 2017
Shares 27,856 Value ($000) $39 Avg Close — Range —
Q3 2017
Shares 17,573 Value ($000) $56 Avg Close — Range —
Q2 2017
Shares 1,000 Value ($000) $2 Avg Close — Range —
Q1 2017
Shares 1,424 Value ($000) $4 Avg Close — Range —
Q4 2016
Shares 11,971 Value ($000) $39 Avg Close — Range —
Q3 2016
Shares 8,170 Value ($000) $15 Avg Close — Range —
Q1 2016
Shares 32,662 Value ($000) $69 Avg Close — Range —
Q4 2015
Shares 8,317 Value ($000) $22 Avg Close — Range —
Q1 2015
Shares 13,386 Value ($000) $44 Avg Close — Range —
Q4 2014
Shares 7,715 Value ($000) $48 Avg Close — Range —