NAPCO SECURITY TECHNOLOGIES, INC — Director's Dealing 2005

Aug 19, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NAPCO SECURITY SYSTEMS INC (NSSC)
CIK: 0000069633
Period of Report: 2005-08-18

Reporting Person: Blaustein Randy B (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-08-18	NAPCO Security Systems, Inc	M	9600	$1.7188	Acquired	48000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-08-18	NAPCO Security Systems, Inc. Employee Stock Options	$1.7188	M	9600	Disposed	2005-09-27	NAPCO Security Systems, Inc. Common Stock (0)	Direct

Footnotes

F1: An Option to purchase 20,000 shares was issued on 9/27/00 at $4.125 per share. Due to a stock split the number of shares were increased to 40,000 and the exercise price was adjusted to $2.0625. On April 15, 2004, 32,000 shares (post split) were purchased, leaving a balance of 8,000 shares. In November 2004, as a result of a 20% stock dividend the the number of remaining shares were increased to 9,600 and the exercise price was adjusted to $1.71875.

F2: Option to purchase stock is exercisable , cumulatively, at 20% per year commnencing 9/27/00.