NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q4 2018

Shares 6,400 Value ($000) $380 Avg Close $45.03 Range $41.21 - $48.18

Q4 2017

Shares 5,896 Value ($000) $352 Avg Close $42.54 Range $39.78 - $45.45

Q3 2017

Shares 4,700 Value ($000) $268 Avg Close $41.74 Range $40.09 - $43.18

Q4 2013

Shares 18,445 Value ($000) $799 Avg Close $27.40 Range $25.54 - $28.91

Q2 2013

Shares 16,100 Value ($000) $642 Avg Close $24.78 Range $23.14 - $25.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	6,400	$380	$45.03	$41.21 - $48.18
Q4 2017	5,896	$352	$42.54	$39.78 - $45.45
Q3 2017	4,700	$268	$41.74	$40.09 - $43.18
Q4 2013	18,445	$799	$27.40	$25.54 - $28.91
Q2 2013	16,100	$642	$24.78	$23.14 - $25.97