POWELL INDS INC

Ticker: POWL CUSIP: 739128106 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q2 2018

Shares 169 Value ($000) $6 Avg Close $27.36 Range $21.74 - $31.75

Q4 2017

Shares 1,344 Value ($000) $39 Avg Close $23.34 Range $18.65 - $25.35

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	169	$6	$27.36	$21.74 - $31.75
Q4 2017	1,344	$39	$23.34	$18.65 - $25.35