WILLBROS GROUP INC DEL

CUSIP: 969203108 Class: COMMON STOCK

Kohlberg Kravis Roberts & Co. L.P.'s Holding History (CIK: 0001399770)

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

Q4 2017
Shares 10,125,410 Value ($000) $14,378 Avg Close — Range —
Q3 2017
Shares 10,125,410 Value ($000) $32,604 Avg Close — Range —
Q2 2017
Shares 10,125,410 Value ($000) $25,010 Avg Close — Range —
Q1 2017
Shares 10,125,410 Value ($000) $27,744 Avg Close — Range —
Q4 2016
Shares 10,125,410 Value ($000) $32,806 Avg Close — Range —
Q3 2016
Shares 10,125,410 Value ($000) $19,036 Avg Close — Range —
Q2 2016
Shares 10,125,410 Value ($000) $25,617 Avg Close — Range —
Q1 2016
Shares 10,125,410 Value ($000) $21,567 Avg Close — Range —
Q4 2015
Shares 10,125,410 Value ($000) $27,237 Avg Close — Range —
Q3 2015
Shares 10,125,410 Value ($000) $12,758 Avg Close — Range —
Q2 2015
Shares 10,125,410 Value ($000) $12,961 Avg Close — Range —
Q1 2015
Shares 10,125,410 Value ($000) $27,946 Avg Close — Range —