SANTA CLARA, CA, November 19, 2007—Symyx Technologies, Inc. (Nasdaq: SMMX) today announced that Symyx Tools now offers new capabilities in viscous formulations. The applications are available in both self-contained Benchtop Systems and fully Integrated Workflow configurations for the following markets:

• Paints, Coatings and Inks
• Personal Care & Cosmetics and
• Household Care & Cleaning

The Symyx viscous formulations applications enable scientists engaged in developing new consumer and industrial products to speed the development of novel formulations by enabling measurement and combination of a greater number of materials, extensive testing and improved experimental and data consistency. By integrating automation, chemistry protocols, and research software, the new Symyx Tools viscous formulations applications help companies efficiently implement R&D technologies to reduce the cost per experiment and bring new products to market more quickly.

Symyx Tools viscous formulations capabilities include:

• Integrated characterization methods enabling high-throughput and conventional analysis of properties of formulations and coated films including viscosity, tribology and optical property measurements
• Viscous material handling and mixing/emulsification
• Automated film preparation via drawdown, casting, or deposition
• Parallel washing of fabric or other substrates to assess cleaning or deposition profiles
• Flexible Symyx Software for handling multiple aspects of library design, automation, data storage and/or data analysis/reporting

"Symyx's new viscous formulations applications offer a unique combination of custom characterization methods developed over many years of close collaboration with customers," said Gerard Abraham, president of Symyx Tools. "We are committed to supporting the formulations industry with flexible, scaleable products that improve R&D certainty and productivity for customers of all sizes."

Come see Symyx Tools and Software at the Dechema/Formal V Conference in Germany November 19-22, 2007. For more information about the new Symyx Tools viscous formulations configurations and other offerings, please contact inforequest@symyx.com.

Symyx Technologies, Inc. is the R&D execution partner to the life sciences, chemicals, energy, consumer products and electronics industries. Symyx provides electronic lab notebook and scientific decision-support software, automated lab systems (workflows) and collaborative research services to improve R&D productivity. In October 2007, Symyx acquired MDL Information Systems, Inc., a leading provider of innovative informatics software, databases and services that accelerate successful scientific R&D by improving the speed and quality of scientists’ decision making. Information about Symyx, including reports and other information filed by Symyx with the Securities and Exchange Commission, is available at www.symyx.com.