WILLBROS GROUP INC DEL

CUSIP: 969203108 Class: COMMON STOCK

PANAGORA ASSET MANAGEMENT INC's Holding History (CIK: 0000883677)

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

Q1 2018
Shares 155,061 Value ($000) $86 Avg Close — Range —
Q4 2017
Shares 211,579 Value ($000) $300 Avg Close — Range —
Q2 2017
Shares 1,727 Value ($000) $4 Avg Close — Range —
Q2 2016
Shares 19,730 Value ($000) $50 Avg Close — Range —
Q1 2016
Shares 4,977 Value ($000) $11 Avg Close — Range —
Q4 2015
Shares 4,977 Value ($000) $13 Avg Close — Range —
Q3 2015
Shares 4,977 Value ($000) $6 Avg Close — Range —
Q2 2015
Shares 4,977 Value ($000) $6 Avg Close — Range —
Q1 2015
Shares 4,977 Value ($000) $16 Avg Close — Range —
Q4 2014
Shares 4,977 Value ($000) $31 Avg Close — Range —
Q3 2014
Shares 9,129 Value ($000) $76 Avg Close — Range —
Q2 2014
Shares 31,139 Value ($000) $385 Avg Close — Range —
Q1 2014
Shares 53,904 Value ($000) $680 Avg Close — Range —
Q4 2013
Shares 52,323 Value ($000) $493 Avg Close — Range —
Q3 2013
Shares 13,283 Value ($000) $122 Avg Close — Range —
Q2 2013
Shares 23,942 Value ($000) $147 Avg Close — Range —