NORTHWEST NAT HLDG CO

Ticker: NWN CUSIP: 66765N105 Class: Common Stock

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q3 2019

Shares 84 Value ($000) $6 Avg Close $70.88 Range $68.42 - $73.50

Q4 2018

Shares 58 Value ($000) $4 Avg Close $66.85 Range $57.94 - $71.81

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	84	$6	$70.88	$68.42 - $73.50
Q4 2018	58	$4	$66.85	$57.94 - $71.81