WILLBROS GROUP INC DEL

CUSIP: 969203108 Class: COMMON STOCK

PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.'s Holding History (CIK: 0001166152)

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

Q3 2017
Shares 206,770 Value ($000) $666 Avg Close — Range —
Q2 2017
Shares 207,852 Value ($000) $513 Avg Close — Range —
Q1 2016
Shares 789,561 Value ($000) $1,682 Avg Close — Range —
Q4 2015
Shares 1,092,240 Value ($000) $2,938 Avg Close — Range —
Q3 2015
Shares 949,663 Value ($000) $1,197 Avg Close — Range —
Q2 2015
Shares 506,944 Value ($000) $649 Avg Close — Range —
Q1 2015
Shares 1,969,617 Value ($000) $6,519 Avg Close — Range —
Q4 2014
Shares 1,005,525 Value ($000) $6,305 Avg Close — Range —