Novaxess Selects Micromuse's Netcool Suite.

Business Editors/Technology Writers

SAN FRANCISCO--(BUSINESS WIRE)--Feb. 12, 2001

Netcool(R)Applications Help Enable Rapid

Roll-Out of Internet Services for Leading

European Broadband Communications Provider

Micromuse Inc. (Nasdaq: MUSE), the leading provider of realtime fault management and service assurance software, today announced that Novaxess has selected the Netcool(R) suite of applications to monitor faults and availability of services throughout its rapidly expanding high-speed Internet services network.

Based in the Netherlands, Novaxess is a broadband communications provider for small and medium-sized companies.

"Novaxess required a solution that would enable us to get to market quickly and allow us to differentiate our services from the competitors," said Hugo Lemmens, Senior Vice President, Novaxess. "We are delighted to be integrating Micromuse's progressive technology and are confident that its proven solution will empower Novaxess to meet its aggressive plans for growth. The Netcool suite's capability for rapid deployment and comprehensive management are helping us become more proactive when it comes to meeting our customers' needs."

Novaxess selected Micromuse's flagship Netcool/OMNIbus(TM) application for its ability to scale as networks grow. The Netcool/OMNIbus application will provide realtime, proactive monitoring of faults throughout the Novaxess infrastructure, allowing network operators to address problems before they cause disruptions in service. In addition, Novaxess is deploying the Netcool/Impact(TM) application to determine which services and customers could potentially be impacted by problems on the network.

"Novaxess has made developments in broadband technology allowing it to provide advanced and reliable services, such as Digital Subscriber Line (DSL). Its continued success is particularly significant for us as we see demand for the Netcool software solution increasing in the Netherlands," said Adrian Rowland, Micromuse's Director, Internet Strategies. "Built on an open architecture, the Netcool suite quickly integrates across a diverse set of network environments to help Novaxess maintain availability, reliability and high-quality services as its networks continue to expand."

About the Netcool(R) Suite

Micromuse's Netcool(R) software suite collects management data from more than 300 management environments and network devices, including voice, data and Internet. Fault data is rapidly processed and filtered by the Netcool ObjectServer(TM) an in-memory database. The Netcool suite helps operators to build views of service availability in realtime, helping them manage networks more efficiently. Because it is scaleable and deploys rapidly, the Netcool suite helps service providers to expand their networks as their markets grow.

About Novaxess

The Novaxess Digital Subscriber Line (DSL) means you can enjoy a reliable "always on" Internet connection, 24 hours a day, 7 days a week for a flat monthly fee. This means that Novaxess is a complete host for broadband communication. Novaxess is an officially registered European supplier of Telefony, broadband network solutions and Internet based services for small and medium-sized companies. The company is led by experienced international managers who have successful track records in telecommunications services. Novaxess aims to play a leading role in the European telecommunications marketplace and is making use of the most up-to-date technologies to achieve this. Key attributes of their services are quality, personal contact and constant innovation in the area of telecommunications and the Internet.

About Micromuse

Micromuse Inc. (Nasdaq: MUSE) is the leading provider of realtime fault management and service assurance software. Micromuse recently received the TeleStrategies OSS Excellence Award for Best New Product for the Netcool(R)/Visionary(TM) application. In addition, Micromuse has been recognized in the Forbes 500, Business Week's Info Tech 100, Bloomberg's Top 100 Stocks, Barron's 500, Deloitte & Touche's Technology Fast 500 and the San Francisco Chronicle 500. Micromuse customers include AT&T, BT, Cable & Wireless, Cellular One, Charles Schwab, Deutsche Telekom, Digex, EarthLink, Global Crossing, GTE, ITC DeltaCom, MCI Worldcom, NextLink, One2One, PSINet, XO Communications and a number of financial investment concerns. Headquarters are located at 139 Townsend Street, San Francisco, Calif. 94107; [phone]. The Web site is at www.micromuse.com.

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 is ability to manage its growth (including the ability to hire sufficient sales and technical personnel), the risks associated with the expansion of the Company is distribution channels, the risk of new product introductions and customer acceptance of new products; the rapid technological change which characterizes the Company is 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 is 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.