NAPCO Security Systems, Inc. to Present at Investor Conferences.

-Management to Appear at Three Investor Conferences in September-

AMITYVILLE, N.Y. -- NAPCO Security Systems, Inc., (Nasdaq: NSSC), one of the world's leading suppliers of high performance electronic security equipment for over 30 years, today announced that its management team has been invited to present its investment story at three investor conferences in September.

The first presentation will be made by management at the Kaufman Bros., L.P. 10th Annual Investor Conference on Wednesday, September 5, 2007 at 4:45 p.m. EDT. The conference will be held at the W Hotel in New York City. Founded in 1995 in response to growing investment community demand for specialization, Kaufman Bros., L.P. is a research-based, full-service investment bank, securities trading firm and brokerage operation serving the technology, communications, and media universe. This annual conference will exhibit leading companies in various industries including communications, technology and defense and is highly-anticipated by sophisticated institutional investors, as more than 1,000 attendees participated in last year's event.

Management will deliver the second presentation at the Roth Capital Partners 2007 New York Conference on Thursday, September 6, 2007, at 11:30 a.m. EDT. The conference will be held at the Westin New York at Times Square in New York, NY. The conference will showcase a selected group of companies and over 1,000 attendees representing various institutional investors are expected.

The third presentation to be delivered by management will be at the Maxim Group LLC Annual Growth Conference on Thursday, September 20, 2007 at the Grand Hyatt Hotel in New York City. This powerful one day event will feature interactive presentations, as well as one-on-one meetings with executives from over 70 domestic and international companies representing the technology, healthcare, and special situations sectors. As this conference is in its first year, it is expected to be an exciting and invigorating event as indicated with several hundred investors already pre-registered to attend.

"We are delighted to announce NAPCO's participation in these important investor conferences," commented Mr. Richard Soloway, Chairman and CEO of NAPCO. "As a result of NAPCO's solid track record over many years combined with its exciting growth prospects and its unique position as one of the few publicly owned independent security system manufacturers, we have been invited to these three investor conferences. We are appreciative to these institutions for conducting such key events as they enable NAPCO to share its investment story with the relevant investor audiences."

About NAPCO Security Systems, Inc.

NAPCO Security Systems, Inc. is one of the world's leading manufacturers of technologically advanced -electronic security equipment including intrusion and fire alarm systems, access control systems and electronic locking devices. The Company's products, including those of Alarm Lock and Continental Instruments, feature some of the most popular and best-selling control panels, sensors, locking devices and access control products. They are used in residential, commercial, institutional, industrial and governmental applications. NAPCO security products have earned a reputation for technical excellence, reliability and innovation, poising the Company for revenue growth in the rapidly expanding electronic security market, a market whose current size exceeds $30 billion.

For additional information on NAPCO, please visit the Company's web site at www.napcosecurity.com.

This press release contains forward-looking statements that involve numerous risks and uncertainties. Actual results, performance or achievements could differ materially from those anticipated in such forward-looking statements as a result of certain factors, including those set forth in the Company's filings with the Securities and Exchange Commission.