WILLBROS GROUP INC DEL

CUSIP: 969203108 Class: COMMON STOCK

LOS ANGELES CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001177206)

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

Q4 2014
Shares 17,583 Value ($000) $110 Avg Close — Range —
Q3 2014
Shares 20,623 Value ($000) $172 Avg Close — Range —
Q2 2014
Shares 19,353 Value ($000) $239 Avg Close — Range —
Q1 2014
Shares 19,353 Value ($000) $244 Avg Close — Range —
Q4 2013
Shares 19,353 Value ($000) $182 Avg Close — Range —
Q3 2013
Shares 21,203 Value ($000) $195 Avg Close — Range —
Q2 2013
Shares 12,483 Value ($000) $77 Avg Close — Range —