NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

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

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

Q1 2018
Shares 250 Value ($000) $13 Avg Close $37.69 Range $35.55 - $42.53
Q4 2017
Shares 7,476 Value ($000) $446 Avg Close $42.54 Range $39.78 - $45.45