Integrator Henry Bros. Electronics to Use RAE's Sensors

San Jose, Calif. - May 15, 2006 - RAE Systems Inc. (AMEX:RAE, HBE), a leading global developer and manufacturer of rapidly deployable, multi-sensor chemical and radiation detection monitors and networks for homeland security and industrial applications, today announced that it has signed a cooperation agreement with Henry Bros. Electronics, Inc. (HBE), an established player in the electronic physical security industry, specializing in integrated security systems and emergency preparedness.

HBE provides products and services to customers in the public and private sectors nationwide. Customers include transit authorities, seaports, airports, universities, office-buildings, hospitals and airlines. Current Henry Bros' projects include Dodger Stadium, Metropolitan Transit Authority of New York, Port Authority of New York and New Jersey, Ports of Oakland and Los Angeles as well as other commercial and government operations.

"With the current state of the world, we believe a great need exists to integrate a broader range of sensors into commercial and industrial security systems," said Jim Henry, CEO of Henry Bros. "RAE Systems wireless sensor networks provides us with a new set of products to solve the security concerns of our customers."

"We are pleased to have the opportunity to integrate our chemical and radiation sensors into some of Henry Bros.' future projects," said Robert Chen, CEO of RAE Systems. "Henry Bros. will give us a vehicle to begin deployment of the first generation of pervasive sensing."

Henry Brothers featured RAE Systems security products at the recent American Society of Industrial Security (ASIS) East Exposition held at the Jacob Javitz Convention Center in New York City.

For more information about RAE Systems, please visit www.raesystems.com

For more information about Henry Bros. Electronics, visit www.hbeonline.net, or www.henrybroselectronics.com