Argyle Security, Inc. Appoints Donald F. Neville as Chief Financial Officer.

SAN ANTONIO -- Argyle Security, Inc. (OTC BB:ARGL.OB), a service and solutions provider in the physical electronic security industry, today announced that it has appointed Donald F. Neville as its Executive Vice President and Chief Financial Officer, effective September 7, 2007.

Neville, 41, joins Argyle with two decades of professional experience and has served as CFO and CEO of private and public companies in the high technology, internet marketing services and manufacturing industries. Neville's direct experience includes financial reporting (SEC and private), internal controls, strategic planning, mergers and acquisitions, capital markets activities and international operations, among other areas. Neville is also a partner of Tatum, LLC, the largest CFO firm in the country providing a wide variety of companies with experienced financial executives, which will allow him access to a variety of professional resources provided by Tatum, LLC to its partners.

Bob Marbut, Chairman and Co-CEO of Argyle Security, stated, "We are pleased to welcome Don to our senior management team. Having completed our first acquisition, this is an exciting time for Argyle Security. Don adds significant and relevant experience, which will help Argyle to effectively execute its integrated buildup strategy."

Ron Chaimovski, Vice-Chairman and Co-CEO of Argyle Security, added, "Don has a strong track record as a financial professional. We believe Don's leadership skills and financial management expertise will play a critical role in our growth, particularly as we continue to explore new acquisition opportunities in the fragmented security industry."

Neville previously held executive positions at ClearCube Technology, Tanisys Technology, Mall.com, Harvard Technologies, Plasmaco, and Technology, Manufacturing and Design, Inc. He began his career at Deloitte and Touche and has a Bachelor of Science in Accounting from Fordham University.

About Argyle Security, Inc.

Formed in 2005 and headquartered in San Antonio, TX, Argyle Security's goal is to become a leading global provider of services and solutions in the physical electronic security industry through an integrated buildup strategy. Argyle's channel focus is Video Surveillance, Access Control, Perimeter/Outdoor Protection, Intrusion Protection, Fire Detection and Threat Analysis, serving selected commercial, governmental and residential markets.

In July 2007, Argyle acquired ISI Security Group ("ISI"), the parent company for three rapidly growing service and solution providers in the physical security industry: ISI Detention Contracting ("ISI-Detention"), Metroplex Control Systems ("MCS-Detention"), and Metroplex Commercial Fire and Security Alarms ("MCS-Commercial"). ISI Detention is one of the nation's largest providers of detention equipment products and service solutions. MCS-Detention and MCS-Commercial specialize in turnkey, electronic security systems for facilities that include unique engineering competencies and proprietary software products, which have security system integration capabilities as applied to the correctional facilities market as well as to commercial markets. ISI was founded in 1976.

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