NAPCO SEC TECHNOLOGIES INC

Ticker: NSSC CUSIP: 630402105 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q2 2020

Shares 7,217 Value ($000) $169 Avg Close $10.12 Range $6.44 - $12.75

Q2 2019

Shares 25,790 Value ($000) $765 Avg Close $12.80 Range $9.65 - $16.85

Q1 2019

Shares 1,800 Value ($000) $37 Avg Close $9.07 Range $6.87 - $10.93

Q4 2017

Shares 1,764 Value ($000) $15 Avg Close $4.62 Range $3.81 - $5.18

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	7,217	$169	$10.12	$6.44 - $12.75
Q2 2019	25,790	$765	$12.80	$9.65 - $16.85
Q1 2019	1,800	$37	$9.07	$6.87 - $10.93
Q4 2017	1,764	$15	$4.62	$3.81 - $5.18