RAE Rae Systems Common Stock

RAE® Systems Inc. (NYSE Amex: RAE) ("RAE" or "the Company"), a leader in delivering innovative sensor solutions to serve industrial, energy, environmental, and government safety markets worldwide, today announced that it has postponed its special meeting of stockholders, which had previously been scheduled for 10:00 AM Pacific Time on Thursday, April 14, 2011. RAE Systems expects to announce a new date for the special meeting in the near future. The record date for determining stockholders eligible to vote at the special meeting, March 9, 2011, has not changed.

About RAE Systems RAE Systems is a leading global provider of rapidly deployable connected, intelligent gas detection systems that enable real-time safety and security threat detection. RAE Systems products are used in more than 95 countries by many of the world's leading corporations and government agencies. RAE Systems offers a full line of wirelessly enabled solutions including personal, hand-held, transportable, and fixed instruments designed to meet the needs of any usage scenario. Applications include energy production, refining, industrial and environmental safety, public venue safety, and government first responder markets.

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

Safe Harbor Statement This press release may contain "forward-looking" statements, as that term is used in Section 21E of the Securities Exchange Act of 1934. Forward-looking statements include, without limitation: expressions of "belief," "anticipation," or "expectations" of management; statements as to industry trends or future results of operations of RAE Systems and its subsidiaries; and other statements that are not historical fact. These types of statements address matters that are subject to risks and uncertainties, which could cause actual results to differ materially. Factors that could cause or contribute to such differences include, but are not limited to, failure to consummate the recently-announced divestiture of RAE Systems' interest in its Fushun joint venture, the general economic and industry factors and receptiveness of the market to RAE Systems and its products. In addition, our forward-looking statements should be considered in the context of other risk factors discussed in our filings with the Securities and Exchange Commission, including but not limited to our annual report on Form 10-K and Form 10-Q filings, available online at http://www.sec.gov. All forward-looking statements are based on information available to the company on the date hereof, and the company assumes no obligation to update such statements.

Company Contact: Investor Relations 408-952-8449 investorrelations@raesystems.com IR Agency Contact: Becky Herrick 415-433-3777 bherrick@lhai.com