MSA SAFETY INC

Ticker: MSA CUSIP: 553498106 Class: Com

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

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

Q4 2017
Shares 5,082 Value ($000) $394 Avg Close $79.81 Range $75.79 - $86.36