PRISM TECHNOLOGIES GROUP INC

Ticker: PRZM CUSIP: 74273Y100 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q1 2016

Shares 22,913 Value ($000) $7 Avg Close $0.58 Range $0.24 - $1.01

Q4 2015

Shares 53,319 Value ($000) $53 Avg Close $1.56 Range $0.76 - $2.80

Q3 2015

Shares 53,319 Value ($000) $149 Avg Close $3.01 Range $2.65 - $3.28

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	22,913	$7	$0.58	$0.24 - $1.01
Q4 2015	53,319	$53	$1.56	$0.76 - $2.80
Q3 2015	53,319	$149	$3.01	$2.65 - $3.28