LAYNE CHRISTENSEN CO

CUSIP: 521050104 Class: CMN

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q4 2016
Shares 200 Value ($000) $2 Avg Close — Range —
Q1 2016
Shares 1,200 Value ($000) $9 Avg Close — Range —
Q2 2015
Shares 2,800 Value ($000) $25 Avg Close — Range —