NORTHWESTERN CORP

Ticker: NWE CUSIP: 668074305 Class: EQTY

Employees Retirement System of Texas's Holding History (CIK: 0001398739)

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

Q3 2019

Shares 12,199 Value ($000) $916 Avg Close $54.27 Range $50.60 - $58.08

Q1 2015

Shares 52,900 Value ($000) $2,845 Avg Close $35.30 Range $32.73 - $38.16

Q4 2014

Shares 52,900 Value ($000) $2,993 Avg Close $33.16 Range $28.63 - $37.51

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	12,199	$916	$54.27	$50.60 - $58.08
Q1 2015	52,900	$2,845	$35.30	$32.73 - $38.16
Q4 2014	52,900	$2,993	$33.16	$28.63 - $37.51