NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q3 2017
Shares 36,254 Value ($000) $2,064 Avg Close $41.74 Range $40.09 - $43.18