NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q3 2015

Shares 16,040 Value ($000) $863 Avg Close $34.01 Range $31.66 - $36.90

Q1 2015

Shares 8,702 Value ($000) $468 Avg Close $35.30 Range $32.73 - $38.16

Q4 2014

Shares 52,615 Value ($000) $2,977 Avg Close $33.16 Range $28.63 - $37.51

Q2 2014

Shares 29,901 Value ($000) $1,561 Avg Close $30.04 Range $28.38 - $33.02

Q1 2014

Shares 5,507 Value ($000) $261 Avg Close $27.98 Range $26.36 - $29.86

Q2 2013

Shares 17,220 Value ($000) $687 Avg Close $24.78 Range $23.14 - $25.97

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	16,040	$863	$34.01	$31.66 - $36.90
Q1 2015	8,702	$468	$35.30	$32.73 - $38.16
Q4 2014	52,615	$2,977	$33.16	$28.63 - $37.51
Q2 2014	29,901	$1,561	$30.04	$28.38 - $33.02
Q1 2014	5,507	$261	$27.98	$26.36 - $29.86
Q2 2013	17,220	$687	$24.78	$23.14 - $25.97