PRISM TECHNOLOGIES GROUP INC

Ticker: PRZM CUSIP: 74273Y100 Class: COM

TOWERVIEW LLC's Holding History (CIK: 0001166573)

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

Q1 2017
Shares 150,000 Value ($000) $110 Avg Close $0.48 Range $0.27 - $1.06
Q4 2016
Shares 125,274 Value ($000) $38 Avg Close $0.22 Range $0.14 - $0.60
Q3 2016
Shares 125,274 Value ($000) $26 Avg Close $0.24 Range $0.17 - $0.40
Q2 2016
Shares 125,274 Value ($000) $34 Avg Close $0.29 Range $0.14 - $0.69
Q1 2016
Shares 125,000 Value ($000) $38 Avg Close $0.58 Range $0.24 - $1.01
Q4 2015
Shares 125,000 Value ($000) $128 Avg Close $1.56 Range $0.76 - $2.80
Q3 2015
Shares 125,000 Value ($000) $350 Avg Close $3.01 Range $2.65 - $3.28