RAE Systems Europe Dedicates Larger Facility

EU Market Continues Strong Growth in Toxic Gas Detection Products COPENHAGEN, DENMARK--(Marketwire - October 24, 2007) - RAE Systems Inc. (AMEX: RAE), a leading global provider of rapidly deployable sensor networks that enable customers to identify safety and security threats in real time, today announced the grand opening of a new larger facility to manage its European operations. "The new facility located at Kirstinehøj in Copenhagen will be our European gateway to Scandinavia, Western Europe, Eastern Europe, Russia, the Middle East, Africa, India, Australia and New Zealand in order to serve the industrial safety, petrochemical and public safety markets," said Chris Hameister, vice president, Europe, Middle East, and Asian operations. "This latest investment demonstrates RAE Systems Europe's long-term service commitment to its customers, distribution partners and subsidiaries." "RAE Systems Europe ApS opened its doors in 2003 with three people. This new larger facility demonstrates our commitment, confidence, and success in the European market. Europe, the Middle East, India and the surrounding countries continue to fuel our growth in industrial gas detection products," said Robert Chen, president and CEO for RAE Systems. "Our European operations now include 30 people to manage sales, training, customer service, and distribution beyond the European Union. It is a great pleasure to be in Copenhagen today to dedicate this new facility and to deliver best in class safety and security solutions for our European customers and distribution partners." Services provided in the new facility will include product management, product design, sales administration, customer training, after sales service, contract maintenance, distribution and shipping. All wireless and handheld toxic gas detection products sold into the European market meet the ATEX intrinsic safety certification. About RAE Systems RAE Systems is a leading global provider of rapidly deployable sensor networks that enable customers to identify safety and security threats in real time. Products include single and multi-sensor toxic chemical detection, wireless gas detection, and radiation monitoring networks for energy production and refining, industrial and environmental safety, and public and government first responder security sectors. RAE Systems' products are used in over 65 countries by many of the world's leading corporations and by many international government agencies. For more information about RAE Systems, please visit www.RAESystems.eu. U.S. Contact: Bob Durstenfeld 408-952-8402 bdurstenfeld@raesystems.com EU Contact Poul Bastrup + 45 (86) 52 51 55 pbastrup@raesystems.com