LAYNE CHRISTENSEN CO

CUSIP: 521050104 Class: CMN

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q1 2018
Shares 50,872 Value ($000) $759 Avg Close — Range —
Q4 2017
Shares 2,730 Value ($000) $34 Avg Close — Range —