WILLBROS GROUP INC DEL

CUSIP: 969203108 Class: COMMON STOCK

Pier Capital, LLC's Holding History (CIK: 0001310051)

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

Q3 2014
Shares 610,338 Value ($000) $5,084 Avg Close — Range —
Q2 2014
Shares 612,974 Value ($000) $7,570 Avg Close — Range —
Q1 2014
Shares 676,232 Value ($000) $8,534 Avg Close — Range —