CompuDyne Announces Appointment of Albert R.
            Dowden to Board; Former CEO of Volvo Group North America


    ANNAPOLIS, Md.--(BUSINESS WIRE)--April 7, 2005--CompuDyne
Corporation (NASDAQ:CDCY), an industry leader in sophisticated
security products, integration and technology for the public security
markets, announced that its Board of Directors had appointed Albert R.
Dowden to the CompuDyne Board to replace the late Millard Pryor, Jr.
Mr. Dowden was recommended to the company's Governance and Nominating
Committee by a CompuDyne stockholder who is unaffiliated with Mr.
Dowden and the Committee determined that he was an attractive
candidate to present to the CompuDyne Board. Mr. Dowden will also be
proposed for election to a full term as Director at the company's next
annual meeting. Mr. Dowden will also be joining the company's Audit
Committee.
    Mr. Dowden is a director of AIM/Invesco Funds, Annuity & Life Re
(Holdings) Ltd, Cortland Trust, Magellan Insurance Company, and The
Boss Group. Mr. Dowden was with Volvo North America from 1974 to 1998,
retiring as President, Chief Executive Officer; Director of Volvo
Group North America, Inc.; and Senior Vice President of AB Volvo.
Prior to that Mr. Dowden was an attorney with Rogers & Wells (now
Clifford, Chance) in New York City. Mr. Dowden has also served on the
Boards of The Hertz Corporation, Genmar Corporation, and National
Media Corporation.
    "We are very pleased to be able to add a Director with Rick
Dowden's vast experience in corporate management, corporate
governance, and law," said Martin Roenigk, Chairman and CEO of
CompuDyne. "Rick also brings a commercial perspective that will serve
us well as we work to expand our security solutions into the
commercial marketplace."

    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.



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