Interested investors should pre-register for the conference call and avoidpre-call delays. Using the URL below to access the pre-registration page,investors will receive an email with a conference day dial-in number and anaccess code that bypasses the usual call registration process.

https://www.theconferencingservice.com/prereg/key.process?key=P8BBMYK4J

The call can be accessed in the U.S., toll-free, by dialing 888-680-0865and internationally by dialing +1-617-213-4853 approximately 15 minutesprior to the start of the call. Please use pass-code: 44475739. Theconference call will also be broadcast live over the Internet and availablefor replay for 90 days at www.raesystems.com. A replay of the call will beavailable via telephone for two business days, beginning two hours afterthe call. To listen to the telephone replay in the U.S., please dial888-286-8010. International callers please dial +1-617-801-6888 to accessthe call replay. Enter access code 92472161.

About RAE Systems

RAE Systems is a leading global provider of rapidly deployable sensornetworks that enable customers to identify safety and security threats inreal time. Products include multi-sensor chemical detection networks,wireless gas detection systems and radiation monitors for energy productionand refining, industrial and environmental safety, and public andgovernment first responder security. RAE Systems' products are used in 85countries by many of the world's leading corporations and by many U.S.government agencies. For more information about RAE Systems, please visitwww.RAESystems.com.