ANNAPOLIS, Md., March 24, 2005 -- CompuDyne Corporation (NASDAQ:CDCY), an industry leader in sophisticated security products, integration and technology for the public security markets, was selected to provide a new $1.7 million Computer Aided Dispatch (CAD) system for Prince George's County, Maryland. Tiburon, a company with CompuDyne's Public Safety and Justice Division, is an industry-leading provider of automated public safety and justice systems which meet the demanding and complex needs of law enforcement, fire & rescue, corrections and justice environments.

Prince George's County has been a Tiburon client since 1999 and wanted to upgrade their existing system to take advantage of new hardware technology and enhanced functionality. The new CAD system will serve the county's police, fire and emergency medical agencies and will allow dispatchers to respond to and manage 9-1-1 calls more efficiently. Each dispatch position is equipped with a dynamic map that continuously displays the location of units and incidents and helps communication center personnel manage calls. In the case of a multi-agency response, information will be available to all dispatchers in real time.

Certain statements made in this press release constitute "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995, including those statements concerning the Company's expectations with respect to future operating results and other events. Although the Company believes it has a reasonable basis for these forward-looking statements, these statements involve risks and uncertainties that cannot be predicted or quantified and consequently, actual results may differ materially from those expressed or implied by such forward-looking statements. Factors which could cause actual results to differ from expectations include, among others, capital spending patterns of the security market, competitive factors, pricing measures, regulatory requirements, the Company's ability to secure new contracts, risks associated with internal control weaknesses identified in complying with Section 404 of Sarbanes-Oxley, costs related to potential acquisitions, the level of product returns, the costs associated with work to be performed pursuant to Section 404, and the risks inherent in CompuDyne's business and future uncertainties which are further described in its filings with the Securities and Exchange Commission, such as the Company's Form 10-K, Form 10-Q, and Form 8-K reports.

Investor Relations:
Geoffrey F. Feidelberg, 410-224-4415 ext.313
investors.relations@compudyne.com