AMITYVILLE, N.Y., March 9, 2026 /PRNewswire/ -- NAPCO Security Technologies, Inc. (NASDAQ:NSSC), one of the leading designers and manufacturers of high-tech electronic security devices, wireless recurring communication services for intrusion, fire alarm, access control and locking systems as well as a leading provider of school safety solutions today is announcing it has been selected for inclusion in the S&P SmallCap 600 Index, effective prior to the opening of trading on March 13, 2026.

The S&P SmallCap 600 Index measures the performance of small-capitalization companies that meet specific criteria for market capitalization, liquidity and financial viability. Inclusion in the index is widely regarded as recognition of a company's operational strength and financial performance.

"We are honored that NAPCO Security Technologies has been selected for inclusion in the S&P SmallCap 600 Index," said Richard Soloway, Chairman and Chief Executive Officer of NAPCO. "This milestone reflects the consistent execution and strength of our business model, the dedication of our team, and our commitment to delivering innovative security solutions while creating sustained value for our shareholders."

Inclusion in the S&P SmallCap 600 Index is expected to increase NAPCO's visibility among institutional investors and investment funds that track the index.

About NAPCO Security Technologies, Inc.

NAPCO Security Technologies, Inc., is one of the world's leading manufacturers and reoccurring revenue service providers of high-tech electronic security devices as well as a leading provider of school safety solutions. The Company consists of four Divisions: NAPCO, plus three wholly owned subsidiaries: Alarm Lock, Continental Instruments, and Marks USA. Headquartered in Amityville, New York, its products are installed by tens of thousands of security professionals in commercial, industrial, institutional, residential and government applications. NAPCO products have earned a reputation for innovation, technical excellence and reliability, positioning the Company for growth in the multi-billion dollar and rapidly expanding electronic security market. For additional information on NAPCO, please visit the Company's web site at http://www.napcosecurity.com.

Safe Harbor Statement

This press release contains forward-looking statements that are based on current expectations, estimates, forecasts and projections of future performance based on management's judgment, beliefs, current trends, and anticipated product performance. These forward-looking statements include, but are not limited to, statements relating to the impact of COVID-19 pandemic; the growth of recurring service revenue and annual run rate; the introduction of new access control and locking products; the opportunities for fire alarm products; and our ability to execute our business strategies. Actual results, performance or achievements could differ materially from those anticipated in such forward-looking statements as a result of certain factors, including those risk factors set forth in the Company's filings with the Securities and Exchange Commission, such as our annual report on Form 10-K and quarterly reports on Form 10-Q. Other unknown or unpredictable factors or underlying assumptions subsequently proving to be incorrect could cause actual results to differ materially from those in the forward-looking statements. Although we believe that the expectations reflected in the forward-looking statements are reasonable, we cannot guarantee future results, level of activity, performance, or achievements. You should not place undue reliance on these forward-looking statements. All information provided in this press release is as of today's date, unless otherwise stated, and the Company undertakes no duty to update such information, except as required under applicable law.

Contact:

Francis J. Okoniewski III

Vice President of Investor Relations

NAPCO Security Technologies, Inc.

800-645-9445 x 374

Mobile: 516-404-3597

fokoniewski@napcosecurity.com

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SOURCE NAPCO Security Technologies, Inc.

NAPCO Security Technologies Selected for Inclusion in the S&P SmallCap 600 Index