PRISM TECHNOLOGIES GROUP INC

Ticker: PRZM CUSIP: 74273Y100 Class: COM

DRW Securities, LLC's Holding History (CIK: 0001481986)

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

Q1 2017

Shares 259,200 Value ($000) $189 Avg Close $0.48 Range $0.27 - $1.06

Q4 2016

Shares 209,300 Value ($000) $63 Avg Close $0.22 Range $0.14 - $0.60

Q3 2016

Shares 200,000 Value ($000) $42 Avg Close $0.24 Range $0.17 - $0.40

Q2 2016

Shares 200,000 Value ($000) $54 Avg Close $0.29 Range $0.14 - $0.69

Q1 2016

Shares 275,000 Value ($000) $83 Avg Close $0.58 Range $0.24 - $1.01

Q4 2015

Shares 115,299 Value ($000) $118 Avg Close $1.56 Range $0.76 - $2.80

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	259,200	$189	$0.48	$0.27 - $1.06
Q4 2016	209,300	$63	$0.22	$0.14 - $0.60
Q3 2016	200,000	$42	$0.24	$0.17 - $0.40
Q2 2016	200,000	$54	$0.29	$0.14 - $0.69
Q1 2016	275,000	$83	$0.58	$0.24 - $1.01
Q4 2015	115,299	$118	$1.56	$0.76 - $2.80