Integrated Security Systems, Inc. Announces Release of Intelli-Site(R) Version 3.6.

IRVING, Texas -- Integrated Security Systems, Inc. (ISSI), (OTCBB:IZZI) today announced that it's wholly owned subsidiary, Intelli-Site, Inc., has released the latest version of their highly respected security system integration software platform: Intelli-Site(R) Version 3.6. Intelli-Site's newest offering provides significantly increased flexibility with a broad range of database options, including: MS-SQL, MSDE, MS-Access, and now offers full interoperability with the Oracle(R) enterprise-wide database structure and the PeopleSoft(R) database management system. This version also includes an enhanced import-export function, Simple Network Management Protocol (SNMP) support, and global anti-passback feature. Version 3.6 adds Enhanced Boolean Expression capability, which allows for any input or output to automatically drive or initiate functions within the system.

Intelli-Site represents a giant advance in enterprise-wide integration of various security systems and tools from a wide-variety of manufacturers. Under Intelli-Site, both legacy and new security devices can be integrated and operate within a single, unified user-configurable Windows(R) based platform. This allows the organization the flexibility of deploying the optimal security hardware without being restricted by manufacturer-specific software platforms. Utilizing a driver database of over fifty devices, including leading CCTV, Card Access, Intercom, Fire, Lighting, Perimeter/Fence Intrusion Detection, DVR, sensor and panel manufacturers, Intelli-Site provides seamless integration to most industry-leading hardware platforms and also develops custom drivers for specific customer applications.

About Intelli-Site

Intelli-Site is the world leader in providing "open architecture" integration systems for security platforms in both industry and government. The company currently has in excess of 500 sites operating throughout the world. Specific applications include border security, facility security, port security, corrections and transport security. Current customers include governmental entities, international finance, on and off-shore oil and gas facilities, military, healthcare and transportation facilities. Intelli-Site also provides products on an OEM basis.

About ISSI

Headquartered in Irving, Texas, ISSI is a technology company that provides products and services for homeland security needs. ISSI also designs, develops and markets safety equipment and security software to the commercial, industrial and governmental marketplaces. ISSI's Intelli-Site(R) provides users with a software solution that integrates existing subsystems from multiple vendors without incurring the additional costs associated with upgrades or replacement. Intelli-Site(R) features a user-defined graphics interface that controls various security devices within one or multiple facilities. DoorTek Corporation is a leading provider of card access control and correctional security products. ISSI is a leading provider of anti-terrorist barriers, traffic control and safety systems within the road and bridge and perimeter security gate industries. ISSI designs, manufactures and distributes warning gates, lane changers, airport and navigational lighting and perimeter security gates and operators ISSI conducts its design, development, manufacturing and distribution activities through three wholly owned subsidiaries: Intelli-Site, Inc., DoorTek Corporation and B&B ARMR Corporation. For more information, please visit www.integratedsecurity.com, www.bb-armr.com, www.intelli-site.com, or www.doortek.com.

This information contains certain forward-looking statements. It is important to note that ISSI's actual results could differ materially from those projected by such forward-looking statements. Important factors that could cause actual results to differ materially from those projected in the forward-looking statements include, but are not limited to, the following: operations may not improve as projected, new products may not be accepted by the marketplace as anticipated, or new products may take longer to develop than anticipated.