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TIBCO Software to Present at Piper Jaffray Seventh Annual Technology Conference

Palo Alto, Calif., May 03, 2005 - TIBCO Software Inc. (Nasdaq: TIBX), a leading enabler of real-time business and the world’s largest independent business integration software company, today announced that Christopher O’Meara, Chief Financial Officer, will present at the Piper Jaffray Seventh Annual Technology Conference in New York, NY on Thursday, May 12, 2005 at 9:05AM (Eastern time). Mr. O’Meara will provide an update on the company and the presentation will be broadcast live over the Internet. To listen to the webcast, please visit the TIBCO Software Investor Relations web site at http://www.tibco.com/company/investor_info.jsp. A replay of the webcast will be available at this location for 30 days following the presentation.

About TIBCO Software

TIBCO Software Inc. (NASDAQ:TIBX) is the leading independent business integration software company in the world, demonstrated by market share and analyst reports. In addition, TIBCO is a leading enabler of Real–Time Business, helping companies become more cost-effective, more agile and more efficient. TIBCO has delivered the value of Real–Time Business, what TIBCO calls The Power of Now®, to over 2,000 customers around the world and in a wide variety of industries. For more information on TIBCO's proven enterprise backbone, business integration, business process management, and business optimization solutions, TIBCO can be reached at +1 650-846-1000 or on the Web at www.tibco.com. TIBCO is headquartered in Palo Alto, CA.

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TIBCO, the TIBCO logo, Predictive Business, The Power of Now, and TIBCO Software are trademarks or registered trademarks of TIBCO Software Inc. in the United States and/or other countries. All other product and company names and marks mentioned in this document are the property of their respective owners and are mentioned for identification purposes only.