AVISTA CORP

Ticker: AVA CUSIP: 05379B107 Class: Common Stock

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

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

Q4 2018

Shares 81 Value ($000) $3 Avg Close $36.19 Range $30.77 - $38.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	81	$3	$36.19	$30.77 - $38.41