GAITHERSBURG, MD, August 31, 2004 - This year KPL celebrates 25 years of service to the life science research community. Founded in 1979 by two entrepreneurs who recognized the need for affinity purified antibodies, KPL has introduced over 600 products from comprehensive kits to a full range of highly purified immunoreagents. The company develops and manufactures tools for protein research applications, including cell biology, immunology, protein chemistry and molecular biology. KPL also supplies reagents to leading diagnostic kit manufacturers for use in a variety of commercially successful diagnostic kits. Our record of service to the life science industry reveals a degree of stability and expertise that is only achievable over time.

"From the beginning we have striven to produce products that perform above expectation while meeting customer needs," said Albert Perry, President and CEO, in an address at the August 22^nd silver anniversary dinner attended by KPL employees. "Twenty five years of achievement speaks to the strength of our technology base and our commitment to the rapidly evolving life science marketplace."

"Today we are reshaping KPL to better meet the growing needs of life scientists, and to continue to provide high quality, reliable protein detection reagents that accelerate and enhance their research. Our tradition of excellence has positioned KPL to serve our clients well into the 21st century."

KPL is located in Maryland 15 miles from Washington, D.C in one of the largest hubs of the biotech industry. Products are marketed around the world in more than 50 countries through a national sales force and a worldwide network of distributors.