PERMA-FIX ENVIRONMENTAL SVCS

Ticker: PESI CUSIP: 714157203 Class: Common Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q1 2017

Shares 476 Value ($000) $1 Avg Close $3.32 Range $2.85 - $4.00

Q4 2016

Shares 960 Value ($000) $4 Avg Close $4.21 Range $3.25 - $5.24

Q4 2015

Shares 460 Value ($000) $2 Avg Close $4.01 Range $3.65 - $4.37

Q2 2015

Shares 400 Value ($000) $2 Avg Close $3.66 Range $3.32 - $4.01

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	476	$1	$3.32	$2.85 - $4.00
Q4 2016	960	$4	$4.21	$3.25 - $5.24
Q4 2015	460	$2	$4.01	$3.65 - $4.37
Q2 2015	400	$2	$3.66	$3.32 - $4.01