Visual Numerics® Names New President of Japan

HOUSTON, TX - August 8, 2007 - Visual Numerics, Inc., celebrating 36 years of producing advanced numerical analysis and visualization software, today announced that it appointed Toshitomo Kobayashi as president of Visual Numerics Japan, Inc. Kobayashi will be responsible for driving business development for Visual Numerics in Japan. The appointment is indicative of Visual Numerics' growth in this region for the last 15 years, and its long-standing relationships with leading companies such as ITOCHU Techno-Solutions Corporation (CTC), Geothermal Energy Research & Development Co., Ltd. and Agilent Technologies.

With Toshitomo's broad-ranging experience in sales, marketing, and IT consulting in Japan, Visual Numerics can better expand its business to Japanese companies that need advanced analytics in rapidly growing markets such as science, consulting, finance, manufacturing and R&D, said Phil Fraher, president and CEO of Visual Numerics. We're pleased to have him lead us into our next phase of growth in this important region.

Visual Numerics' focus on providing embeddable numerical libraries to application developers for building critical business applications makes the company highly desirable to large commercial companies and OEM companies in Japan, said Toshitomo Kobayashi. I look forward to helping the company scale its business in Japan.

About Toshitomo Kobayashi

Prior to joining Visual Numerics, Kobayashi was president of Websense Japan, Inc., the world's largest Internet access management software company, where he directed the company's business in Japan. At Websense, he contributed to the expansion of the company's business in Japan by focusing on overall business localization including product development and localization for the Japanese market as well as enhancing technical support. Prior to Websense Japan, Kobayashi served as a Marketing Director of the imaging solution product for enterprises at Hewlett Packard Japan, where he directed the company's marketing operations in Japan. Kobayashi was born in 1965 in Osaka, Japan and graduated from The Waseda University, Japan. He also earned an MBA from The University of Leicester, England.

About Visual Numerics®

Visual Numerics has provided technical software solutions for numerical analysis and visualization for more than three decades. The company's software products help users understand complex data from a variety of sources and build business-critical applications. Visual Numerics offers two product lines: the IMSL Numerical Libraries for powerful mathematical and statistical analysis and the PV-WAVE visual data analysis development environment. Visual Numerics also offers consulting services for applications that involve mathematical, statistical, or visual data analysis to meet today's business analytical needs.

Major corporations, academic institutions, and research laboratories worldwide use Visual Numerics' software tools, including such high profile companies as: Bear, Stearns & Company; Barclays Global Investors; Priceline.com; Humana; Sandia National Laboratories; and Boeing Company. This large and diverse customer base is supported through a direct sales force, wholly owned international subsidiaries, and international distributors. For more information about Visual Numerics, please visit www.vni.com.

Trademark Statement

Visual Numerics, IMSL and PV-WAVE are registered trademarks of Visual Numerics, Inc. in the U.S. and other countries. JMSL, JWAVE, TS-WAVE and Knowledge in Motion are trademarks of Visual Numerics, Inc. All other company, product or brand names are the property of their respective owners.