MUSE Micromuse (MM)

Micromuse Inc. (Nasdaq: MUSE), the leading provider of ultra-scalable, realtime business and service assurance software, will participate in an industry expert discussion entitled "Service Oriented Architectures: Key to Portfolio Management," at 4:35 PM CDT on Wednesday, August 10, 2005 at the Department of the Navy Enterprise IT Industry Symposium in New Orleans, Louisiana. Chris Carlson, Micromuse's Director of Technical Services and Robert Rhodes, Micromuse's Federal Solutions Architect, will be joined by key government IT personnel to outline the complex IT challenges the U.S. Navy faces and best practices that enable the Navy to align its operational mission and IT infrastructure through end-to-end service solutions. Mr. Carlson will discuss "Delivering Mission and Service Assurance for the Department of the Navy," and Mr. Rhodes will address "Delivering an Enterprise IT Portfolio through Consolidated Operations Management: A Best Practices Approach." The Department of the Navy Enterprise IT Industry Symposium 2005 aims to extend the dialogue between the Department of the Navy (DoN) and the IT industry that is taking place as the DoN makes the transformation from a locally purchased and operated IT inventory to an enterprise IT portfolio that is acquired and managed centrally. For more information go to http://www.navyitsymposium.com/ About Micromuse's Solutions for Government End Users Micromuse Inc. (Nasdaq: MUSE) is the leading provider of ultra-scalable, realtime business and service assurance software solutions. The Netcool(R) software suite provides government organizations with the assurance that their missions are supported by their IT systems 24 hours a day. Unlike traditional infrastructure management systems, Netcool solutions provide realtime end-to-end visibility and accurate troubleshooting from a mission-critical perspective. Mission-critical intelligence about IT systems allows organizations to respond to problems quickly, streamline workflow processes and improve user uptime. Micromuse defense and intelligence agency customers include the U.S. Department of State, the U.S. Air Force, U.S. Army, the Pentagon, NASA, the U.S. Navy, the Department of Energy, USDA, the Department of Justice and the Army National Guard. Micromuse's headquarters are located at 139 Townsend Street, San Francisco, California, 94107; (415) 538-9090. Micromuse's federal sales offices are located in McLean, Virginia. For more information go to http://www.micromuse.com/sols/gov.html Micromuse and Netcool are registered trademarks of Micromuse Ltd. All other trademarks and registered trademarks in this document are the properties of their respective owners. Any statements contained in this press release that do not describe historical facts may constitute forward-looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. Any forward-looking statements contained herein are based on current expectations, but are subject to a number of risks and uncertainties. The factors that could cause actual future results to differ materially from the forward-looking statements include the following: fluctuations in customer demand, the Company's ability to manage its growth (including the ability to hire sufficient sales and technical personnel), the risks associated with the expansion of the Company's distribution channels, the risk of new product introductions and customer acceptance of new products; the rapid technological change which characterizes the Company's markets, the risks associated with competition, the risks associated with international sales as the Company expands its markets, and the ability of the Company to compete successfully in the future, as well as other risks identified in the Company's Securities and Exchange Commission Filings, including but not limited to those appearing under the caption "Risk Factors" in the Company's most recent Quarterly Reports on Form 10-Q and on Form 10-K on file with the Securities and Exchange Commission and available on the Company's Web site.