FOR IMMEDIATE RELEASE

April 21, 2005.

ESA Inc. has chosen HPLC 2005 in Stockholm (26th - 30th June) for the European launch of its Pittcon Silver Award winning CORONA Charged Aerosol Detector, a new 'Universal' HPLC detector.

ESA chooses HPLC 2005 to showcase advances ..

ESA Inc. has chosen HPLC 2005 in Stockholm (26th - 30th June) for the European launch of its Pittcon Silver Award winning CORONA Charged Aerosol Detector, a new 'Universal' HPLC detector.

Visitors to stand A01:28 will be able to see the CORONA CAD, discuss the technology and new applications and review posters that describe how the revolutionary HPLC detector can reliably measure compounds, independent of molecular structure, to low nanogram levels.

Technical specialists will be on hand to discuss the latest applications developments on the Metabolomics System - a tool for advanced metabolomics studies and the DiscovArray - a unique multifunctional Electrochemical (EC) system enabling researchers to study the chemical and pharmacological benefits of potential drug candidates. ESA will also be showing its market leading products for sensitive and selective clinical diagnostic analysis.

For a copy of the HPLC 2005 posters and new application notes please telephone ESA in Europe on +44-1844-239381.

European HQ ESA Analytical Ltd. Brook Farm Dorton, Aylesbury Bucks. HP18 9BH UK tel. +44-1844-239381 email: egoodall@esainc.com www.esainc.com