NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

SEARLE & CO.'s Holding History (CIK: 0000710127)

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

Q2 2015

Shares 136 Value ($000) $6 Avg Close $33.40 Range $31.54 - $35.25

Q1 2015

Shares 137 Value ($000) $7 Avg Close $35.30 Range $32.73 - $38.16

Q4 2014

Shares 136 Value ($000) $7 Avg Close $33.16 Range $28.63 - $37.51

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	136	$6	$33.40	$31.54 - $35.25
Q1 2015	137	$7	$35.30	$32.73 - $38.16
Q4 2014	136	$7	$33.16	$28.63 - $37.51