Duluth, GA – November 26, 2008– Tech Systems announced today it has received the Certificate of Registration for the
ISO 9001:2000 compliant Quality Management System. Certification has been awarded by BSI of Reston VA, a world
leader in independent quality assessments.

The ISO 9001:2000 is an internationally recognized quality management system standard developed by the International
Organization for Standardization (ISO). To be certified to the standard, companies must implement a quality
management system (QMS) which incorporates customer expectations into every aspect of a continually improving
system of processes and results.

Certificate No. FS 540503 proves Tech Systems’ scope; the design, integration, and maintenance of electronic security
products and enterprise systems for liability prevention and asset protection, as compliant with the ISO 9001:2000