SAN DIEGO - April 16, 2007 - Reaction Design, the clean technology chemistry leader, today announced that Rolf Reitz, Ph.D., has been appointed to the company's board of directors. Dr. Reitz is a distinguished professor at the University of Wisconsin-Madison's Department of Mechanical Engineering and is a former director of its internationally recognized Engine Research Center.

"Dr. Reitz brings a wealth of scientific and business experience to the board," said Chairman Albert Hugo-Martinez. "We believe that he will help guide Reaction Design to deliver customer-focused solutions across all its markets."

Dr. Reitz earned his Ph.D. at Princeton University and has been at the University of Wisconsin-Madison since 1989. Prior to that, he spent six years at the General Motors Research Laboratories.

"Reaction Design has a unique combination of chemists, engineers and software development professionals devising tools that will change the way engineers work in industries like automotive engine design, energy production, and chemical processing," said Dr. Reitz. "I'm excited about this company's prospects and am eager to contribute to its success."

Dr. Reitz joins five distinguished members of Reaction Design's board:

• Chairman Albert Hugo-Martinez, former CEO of GTI Corporation;
• Dr. Ralph Cunningham, former CEO of CITGO;
• Jeff Teza, former CEO and chairman of Syntricity;
• Dr. David Klipstein, founder and former CEO of Reaction Design; and
• Bernie Rosenthal, CEO and president of Reaction Design.

"I look forward to working with such a well-known member of the combustion-science community," said Rosenthal. "Dr. Reitz's knowledge of chemical kinetics will be an excellent complement to the board's existing expertise, and his experience with fluid-dynamics and real-world engine systems will enable us to bring valuable solutions to engineers."

About Reaction Design

Reaction Design helps transportation manufacturers and energy companies rapidly achieve their Clean Technology goals by automating the analysis of chemical processes via simulation and modeling solutions. Reaction Design is the exclusive developer and distributor of CHEMKIN, the de facto standard for modeling gas-phase and surface chemistry that provides engineers ultra-fast access to reliable answers that save time and money in the development process. Reaction Design also offers the CHEMKIN-CFD software package, which brings detailed kinetics modeling to other engineering applications, such as Computational Fluid Dynamics (CFD) programs. Reaction Design's world-class engineers, chemists and programmers have expertise that spans multi-scale engineering from the molecule to the plant. Reaction Design serves more than 350 customers in the commercial, government and academic markets. Reaction Design can be found online at www.reactiondesign.com.