WILLBROS GROUP INC DEL

CUSIP: 969203108 Class: COMMON STOCK

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q4 2017
Shares 395,741 Value ($000) $562 Avg Close — Range —
Q3 2017
Shares 454,432 Value ($000) $1,463 Avg Close — Range —
Q2 2017
Shares 396,555 Value ($000) $979 Avg Close — Range —
Q1 2017
Shares 349,568 Value ($000) $958 Avg Close — Range —
Q4 2016
Shares 382,301 Value ($000) $1,239 Avg Close — Range —
Q3 2016
Shares 315,205 Value ($000) $593 Avg Close — Range —
Q2 2016
Shares 399,021 Value ($000) $1,010 Avg Close — Range —
Q1 2016
Shares 319,357 Value ($000) $680 Avg Close — Range —
Q4 2015
Shares 228,147 Value ($000) $614 Avg Close — Range —
Q3 2015
Shares 168,831 Value ($000) $212 Avg Close — Range —
Q2 2015
Shares 483,957 Value ($000) $619 Avg Close — Range —
Q1 2015
Shares 364,559 Value ($000) $1,207 Avg Close — Range —
Q4 2014
Shares 412,057 Value ($000) $2,584 Avg Close — Range —
Q3 2014
Shares 380,383 Value ($000) $3,168 Avg Close — Range —
Q2 2014
Shares 379,683 Value ($000) $4,689 Avg Close — Range —
Q1 2014
Shares 203,181 Value ($000) $2,564 Avg Close — Range —
Q4 2013
Shares 233,312 Value ($000) $2,198 Avg Close — Range —
Q3 2013
Shares 151,991 Value ($000) $1,395 Avg Close — Range —
Q2 2013
Shares 163,490 Value ($000) $1,004 Avg Close — Range —