PERMA-FIX ENVIRONMENTAL SVCS

Ticker: PESI CUSIP: 714157203 Class: Common Stock

ELKHORN PARTNERS LIMITED PARTNERSHIP's Holding History (CIK: 0000928400)

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

Q1 2016

Shares 34,000 Value ($000) $126 Avg Close $3.75 Range $3.42 - $3.95

Q4 2015

Shares 34,000 Value ($000) $126 Avg Close $4.01 Range $3.65 - $4.37

Q3 2015

Shares 34,000 Value ($000) $137 Avg Close $3.86 Range $3.51 - $4.34

Q2 2015

Shares 44,772 Value ($000) $171 Avg Close $3.66 Range $3.32 - $4.01

Q1 2015

Shares 78,500 Value ($000) $305 Avg Close $4.23 Range $3.78 - $4.69

Q4 2014

Shares 78,500 Value ($000) $341 Avg Close $4.26 Range $3.65 - $5.01

Q3 2014

Shares 78,500 Value ($000) $300 Avg Close $4.22 Range $3.56 - $5.19

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	34,000	$126	$3.75	$3.42 - $3.95
Q4 2015	34,000	$126	$4.01	$3.65 - $4.37
Q3 2015	34,000	$137	$3.86	$3.51 - $4.34
Q2 2015	44,772	$171	$3.66	$3.32 - $4.01
Q1 2015	78,500	$305	$4.23	$3.78 - $4.69
Q4 2014	78,500	$341	$4.26	$3.65 - $5.01
Q3 2014	78,500	$300	$4.22	$3.56 - $5.19