NEWS RELEASE
FOR IMMEDIATE RELEASE
COMPANY CONTACT:                                     INVESTOR CONTACT:
Matthew Knight                                       Matt Hayden/Brett Maas
Chief Executive Officer                              Hayden Communications, Inc.
(302) 456-6789                                       (843) 272-4653
www.sdix.com                                         brett@haydenir.com


   STRATEGIC DIAGNOSTICS NAMES ANTHONY J. SIMONETTA AS CHIEF FINANCIAL OFFICER

            - Former KPMG Partner brings 30 years experience to SDI -

NEWARK, DEL., FEBRUARY 2, 2005 - Strategic Diagnostics Inc. (Nasdaq: SDIX), a
leading provider of antibody products and analytical test kits for the
food-safety and water-quality markets, today announced that Anthony J. Simonetta
has joined SDI as the Company's Chief Financial Officer.

Mr. Simonetta worked for 28 years with KPMG, ascending to the role of partner in
the Philadelphia office. During his last three years with KPMG, Mr. Simonetta, a
Certified Public Accountant, managed the business advisory practice group,
consulting with numerous KPMG clients on business development tactics and
strategies. Prior to this assignment, Mr. Simonetta was an audit partner,
serving both public and private clients in the development and execution of
financial audit plans. He left KPMG in 2002 and has continued to consult with
private clients on business development strategy and execution. Mr. Simonetta is
a veteran of the U.S. Navy and a graduate of Hofstra University. Mr. Simonetta
also serves as Chairman of the Board for The Center for Autistic Children in
Philadelphia.

Matthew Knight, President of SDI commented, "Attracting a candidate as qualified
and experienced as Tony is a noteworthy achievement for our Company, and
significantly enhances our management team. Tony's expertise in financial
strategy and business development will play an integral role as we execute our
growth strategy going forward. Tony will oversee each of our information-driven
functions, including finance, accounting, information technology and human
relations, and I am confident Tony will guide each of these functions in
operating with efficient, well-defined processes. I'm thrilled to welcome Tony
to the SDI team and look forward to a long and productive relationship."

Mr. Simonetta commented, "What is exciting about the SDI opportunity is how the
Company is positioned to succeed in both the bio-services and bio-detection
segments. SDI has an expertise in customized antibody production, a strong
technology portfolio, broad spectrum of key diagnostic tests for the food safety
and environmental sectors, and a blue chip customer list. The Company has done
an excellent job managing cash flows and building operating leverage. I feel
that my expertise will build on this foundation and increase the Company's
ability to leverage more opportunities for growth. I am pleased to be a part of
the team."

About Strategic Diagnostics Inc.
- --------------------------------
SDI develops and markets biotechnology based detection solutions for a broad
range of agricultural, industrial, environmental and water management
applications. By leveraging its expertise in immunology, proteomics,
bio-luminescence, and other bio-reactive technologies with innovative
application and production capabilities, the Company is able to provide
sophisticated diagnostic testing and immunoreagent systems to a diverse customer
base serving multiple vertical markets. A comprehensive suite of detection
products addresses the food safety and environmental sectors. SDI's test kits
are produced in a variety of formats suitable for field and laboratory use,
offering advantages of accuracy, cost-effectiveness, portability, and rapid
response. The Strategic BioSolutions (SBS) division of SDI serves the Research,
Human Diagnostic and pharmaceutical sectors with a wide range of services
including complete outsourcing for the production of monoclonal and polyclonal
antibodies used in commercialized products offered by leading diagnostic and
pharmaceutical companies.

This news release contains forward-looking statements reflecting SDI's current
expectations. When used in this press release, the words "anticipate", "could",
"enable", "estimate", "intend", "expect", "believe", "potential", "will",
"should", "project" "plan" and similar expressions as they relate to SDI are
intended to identify said forward-looking statements. Investors are cautioned
that all forward-looking statements involve risks and uncertainties, which may
cause actual results to differ from those anticipated by SDI at this time. Such
risks and uncertainties include, without limitation, changes in demand for
products, delays in product development, delays in market acceptance of new
products, retention of customers and employees, adequate supply of raw
materials, the successful integration and consolidation of the Maine production
facilities, inability to obtain or delays in obtaining third party, including
AOAC, or required government approvals, the ability to meet increased market
demand, competition, protection of intellectual property, non-infringement of
intellectual property, seasonality, and other factors more fully described in
SDI's public filings with the U.S. Securities and Exchange Commission.