Cosmos Software to Offer Micromuse's Netcool Suite; Leading Middle East-Based eBusiness Technology Provider Adds Service Assurance Solution.

Business & High Tech Editors

SAN FRANCISCO--(BUSINESS WIRE)--June 21, 2001

Micromuse Inc. (Nasdaq: MUSE), the leading provider of realtime fault management and service assurance software, announced today Cosmos Software, based in the United Arab Emirates, will deliver and integrate Micromuse's Netcool(R) suite of products to service providers and enterprises throughout the Middle East and Gulf regions.

As a Micromuse Authorized Reseller(TM), Cosmos Software will be able to custom-design service provider strategies based on Micromuse's Netcool suite of products. Cosmos Software is a professional technology services provider for enterprises in the Middle East, and one of the key suppliers of Internet, multimedia and eBusiness solutions in the region. The company will implement the Netcool suite as part of its systems integration solutions offering.

"Cosmos Software's clientele includes a range of service providers in the Middle East who are enhancing their offerings to their customers through eBusiness," said Abdallah Madani, Managing Director, Cosmos Software. "Micromuse's Netcool solutions enhance the value of services we offer our customers by providing a flexible, best-of-breed solution that is rapidly scalable and can grow as our customers expand their Internet presence."

"We are pleased to welcome Cosmos Software to the Netcool channels program," said Mike Donohue, Micromuse's Senior Vice President, Sales & Business Operations. "With its award-winning solutions for managing networks and its extensive experience in the region, Cosmos Software is an ideal partner for Micromuse as we expand our presence in the Gulf and Middle East regions. We are looking forward to working together to provide integrated realtime operations management solutions to customers throughout the territory."

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 scalable and deploys rapidly, the Netcool suite helps service providers expand their networks as their markets grow.

About Cosmos Software

Cosmos Software has been developing Internet solutions for corporations and government in the Middle East since 1997. Cosmos has implemented e-solutions and multimedia content projects for some of the largest new economy ventures and enterprise customers in the region. Cosmos Software benefits from an internal `ecosystem' that enables it to cover all aspects of building tailored `e-initiatives', from developing user interfaces, broadcast multimedia projects and Internet media through to providing content and data conversion, Internet-based business solutions and business software consulting and integration for Middle Eastern enterprises.

Cosmos has forged long-term alliances with some of the world's top technology and content providers such as Sun Microsystems, ATG, Micromuse, Ascential Software, Diwan Software, BMC Software and BEA Systems. Cosmos Software also has offices and channel partners in the UAE, Egypt, Saudi Arabia as well in the United Kingdom and United States.

About Micromuse

Micromuse Inc. (Nasdaq: MUSE) is the leading provider of realtime fault management and service assurance software. Micromuse's recent list of awards include the TeleStrategies OSS Excellence Award for Best New Product for the Netcool(R)/Visionary(TM) application, and Web Hosting Magazine Editor's Choice Award. In addition, Micromuse has been recognized in the Forbes 500, Bloomberg's Top 100 Stocks, the Barron's 500, Deloitte & Touche's Technology Fast 500, San Francisco Chronicle 500, Individual Investor's Index of America's Fastest Growing Companies and Network World's NW200. Micromuse customers include AT&T, BT, Cable & Wireless, Cellular One, Charles Schwab, Deutsche Telekom, Digex, EarthLink, ITC^DeltaCom, MCI Worldcom, One2One, Verizon, 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'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.