WILLBROS GROUP INC DEL

CUSIP: 969203108 Class: COMMON STOCK

Mariner, LLC's Holding History (CIK: 0001373442)

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

Q3 2017
Shares 119,865 Value ($000) $386 Avg Close — Range —
Q2 2017
Shares 119,865 Value ($000) $296 Avg Close — Range —
Q1 2017
Shares 119,865 Value ($000) $328 Avg Close — Range —
Q4 2016
Shares 119,865 Value ($000) $388 Avg Close — Range —
Q3 2016
Shares 38,752 Value ($000) $73 Avg Close — Range —
Q2 2016
Shares 38,752 Value ($000) $98 Avg Close — Range —
Q1 2016
Shares 38,752 Value ($000) $83 Avg Close — Range —
Q4 2015
Shares 38,752 Value ($000) $104 Avg Close — Range —
Q3 2015
Shares 47,180 Value ($000) $59 Avg Close — Range —
Q2 2015
Shares 50,680 Value ($000) $65 Avg Close — Range —
Q1 2015
Shares 43,680 Value ($000) $145 Avg Close — Range —
Q4 2014
Shares 42,180 Value ($000) $264 Avg Close — Range —
Q3 2014
Shares 28,180 Value ($000) $235 Avg Close — Range —
Q2 2014
Shares 28,180 Value ($000) $348 Avg Close — Range —
Q1 2014
Shares 28,180 Value ($000) $356 Avg Close — Range —
Q4 2013
Shares 28,180 Value ($000) $265 Avg Close — Range —
Q3 2013
Shares 28,180 Value ($000) $259 Avg Close — Range —
Q2 2013
Shares 28,180 Value ($000) $173 Avg Close — Range —