RESEARCH TRIANGLE PARK, N.C., U.S.A. (August 19, 2004)

  Qualyst, Inc. announced today its financial contribution to the seventh international meeting of the International Society for the Study of Xenobiotics (ISSX).  Qualyst, Inc., a meeting contributor and exhibitor, is sending three executive officers and two senior scientists to represent the company at this year’s meeting.

  The meeting will be held in Vancouver, Canada, August 29 through September 2, 2004.  Qualyst scientists will present posters 183, 568 and 121, and Qualyst executives will be stationed at booth 215.

  “We are happy to contribute our time and resources to an organization that has connected the international science community on such a large scale,” said Scott Neuville, Qualyst president and CEO.  “ISSX has advanced the field of metabolic science by providing a forum through which researchers can share and discuss their findings.”

  ISSX was founded in 1981in order to facilitate and encourage the assemblage, acquaintanceship and the association of scientists engaged in research in Xenobiotic metabolism and in other related disciplines.  Today the organization has an international base of more than 2,500 members from more than 50 countries.

About Qualyst, Inc.
Qualyst commercializes novel and proprietary ADMET products for drug discovery and development. Qualystís products allow pharmaceutical and biotechnology researchers to make faster, better decisions regarding drug candidate compounds, saving valuable time and research dollars in the process. Qualyst, Inc. was founded on discoveries from breakthrough research at the University of North Carolina at Chapel Hill in 2001. For additional information, please refer to the company's web site at www.Qualyst.com or call 919-313-6500.

CONTACT:

Ian J. Mehr
Vice President, Business Development
Qualyst, Inc.
919-313-6507
info[AT]qualyst[DOT]com
www.Qualyst.com