MEDIA ALERT: NEON Systems Inc. Commences Trading of Common Stock Under Nasdaq Ticker Symbol `NEON'

Business Wire, June 3, 2002

Business Editors/High-Tech Writers

SUGAR LAND, Texas--(BUSINESS WIRE)--June 3, 2002

NEON(R) Systems Inc. (Nasdaq: formerly NESY, now trading as (Nasdaq:NEON)) commences trading of its common stock under the Nasdaq Stock Market symbol or ticker "NEON."

WHAT:  NEON Systems Changes Stock Ticker Symbol to "NEON"

WHEN:  Monday, June 3, 2002

WHO:   Louis Woodhill, Chief Executive Officer
       Brad Poynter, Chief Financial Officer

WHERE: Company Headquarters
       14100 Southwest Freeway
       Suite 500
       Sugar Land, TX 77478
       Toll Free: 800/505-NEON (6366)
       Phone: 281/491-4200
       Fax: 281/242-3880

OTHER: NEON Systems Inc. (Nasdaq: formerly NESY, now trading as NEON)
       is a leading provider of powerful data access, legacy renewal
       and OS/390 enterprise system management solutions. Today, many
       of the Fortune 100 are using NEON Systems' Shadow solutions to
       enable transparent access to System/390 data and transactions
       for the Internet, application servers or distributed computing
       environments -- all without custom coding. NEON's IMS/CICS
       utilities enhance and maintain high availability, integrity and
       performance while consistently outperforming competitor
       products. NEON's iWave Helpdesk Integrator product provides a
       powerful integration solution for organizations with multiple
       helpdesks. For more information, visit www.neonsys.com or call
       800/505-NEON.

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended (the "Act") and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), which are intended to be covered by the safe harbors created thereby and the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. Such statements regarding, among other things, the additional revenue opportunities and improvement of overall productivity of operations, are based on the current expectations and beliefs of management, and are subject to a number of factors and uncertainties that could cause actual results to differ materially from those described in the forward-looking statements. The following factors, among others, could cause actual results to differ materially from those described in the forward-looking statements: development by competitors of new or competitive products or services, the entry into the market by new competitors, the ability to recruit and retain qualified personnel, the ability to retain customers or attract customers from other businesses, the uncertainties of whether new software products and product strategies, will be successful, the sufficiency of NEON Systems' working capital and market and general economic conditions. Please refer to the risk factors described in NEON Systems' filings with the Securities and Exchange Commission, including its Annual Report on Form 10-K filed on June 29, 2001 and its Quarterly Reports on Form 10-Q, for a detailed description of these risks and others that could cause actual results to differ materially from the forward-looking statements.

NEON and Shadow are registered trademarks and iWave Helpdesk Integrator, iWave and the NEON logo are trademarks of NEON Systems Inc. in the USA and in other select countries. All other trademarks are the property of their respective owners.