WILLBROS GROUP INC DEL

CUSIP: 969203108 Class: COMMON STOCK

RENAISSANCE TECHNOLOGIES LLC's Holding History (CIK: 0001037389)

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

Q4 2017
Shares 1,746,200 Value ($000) $2,480 Avg Close — Range —
Q3 2017
Shares 638,500 Value ($000) $2,056 Avg Close — Range —
Q2 2017
Shares 469,900 Value ($000) $1,161 Avg Close — Range —
Q1 2017
Shares 549,200 Value ($000) $1,505 Avg Close — Range —
Q4 2016
Shares 678,800 Value ($000) $2,199 Avg Close — Range —
Q3 2016
Shares 718,100 Value ($000) $1,350 Avg Close — Range —
Q2 2016
Shares 811,141 Value ($000) $2,052 Avg Close — Range —
Q1 2016
Shares 558,319 Value ($000) $1,189 Avg Close — Range —
Q4 2015
Shares 413,700 Value ($000) $1,113 Avg Close — Range —
Q3 2015
Shares 220,400 Value ($000) $278 Avg Close — Range —
Q2 2015
Shares 1,009,164 Value ($000) $1,292 Avg Close — Range —
Q1 2015
Shares 150,600 Value ($000) $498 Avg Close — Range —
Q3 2014
Shares 162,900 Value ($000) $1,357 Avg Close — Range —
Q2 2014
Shares 85,500 Value ($000) $1,056 Avg Close — Range —
Q3 2013
Shares 16,800 Value ($000) $154 Avg Close — Range —
Q2 2013
Shares 90,500 Value ($000) $556 Avg Close — Range —