SACHEM announced today that they will exhibit at the PREP Symposium next week in Baltimore, Maryland. Dr. Barry Haymore, Director of New Technology Development, will be presenting a poster on SACHEM’s line of displacers for use in displacement chromatography.

Austin, TX- May 27, 2007– SACHEM announced today that it will exhibit at the PREP Symposium next week in Baltimore, Maryland. Dr. Barry Haymore, Director of New Technology Development, will be presenting a poster on SACHEM’s line of displacers for use in displacement chromatography.

Dr. Haymore’s poster demonstrates the power of SACHEM’s Expell™displacers and displacement chromatography. SACHEM’s Expell™ displacers are for use in both protein purification for lab preparations and large scale production. Expell’s™ precision displacers are effective in cation exchange, anion exchange, reverse phase and hydrophobic interaction chromatography.

SACHEM, Inc. is a global chemical solutions provider with over 50 years of experience supplying high purity and precision chemical products and services to the biotechnology, pharmaceutical and electronics markets. Based in Texas, SACHEM, Inc. currently operates five plants globally providing high-purity chemicals and services tailored to the requirements of customers throughout the world.