PowerNet Global Communications Teams with generationE Technologies to Deploy Micromuse's Netcool(R) Carrier Class Service Assura

  Micromuse's Netcool(R) Solutions Enable Realtime Service Management
             for Integrated Communications Infrastructure

   Micromuse Inc. (Nasdaq: MUSE), the leading provider of
ultra-scalable, realtime business and service assurance software, and
generationE, a Netcool(R) systems integrator, today announced that
PowerNet Global Communications, a leading integrated communications
provider, has deployed Netcool solutions to provide the core service
management foundation for its network-based IP, voice, and private
line services, as well as network infrastructure elements such as
servers, routers, gateways and access devices. generationE
Technologies was responsible for implementing the solution in PowerNet
Global's central network operations center, located in Cincinnati,
Ohio.
   PowerNet Global delivers leading-edge communications technologies
to more than 400,000 customers nationwide and is a leading integrated
communications provider that offers a host of services to both
residential and business customers. Its network supports advanced
communications services for many of the country's leading
communications agents and affinity groups with a wide range of
integrated voice, data, and Internet solutions. PowerNet Global is
using Netcool as the primary management solution to automate network
operation processes, reduce management costs, and deliver services
more quickly, reliably and consistently for its customers.
   "Our customers are our number one priority. We are continually
focused on improving services, and with the Netcool solution we can
ensure the quality and consistency of current services, as well as
roll out new services more efficiently," said Mike Shaw, Vice
President of Product Development and Network Solutions at PowerNet
Global. "We are very excited about our relationship with Micromuse and
generationE Technologies. The professional services and support
provided by both vendors has made the deployment of this network
management solution very successful."
   generationE was selected to design and deploy the system because
of its extensive experience with sophisticated business service
assurance solutions. "The Netcool-based solution enables PowerNet
Global to offer a superior level of service to its customers. The
solution will allow them to manage their network with realtime
information and further achieve concrete business benefits such as
reduced operational costs and improved customer loyalty," affirms
Casey Kindiger, CEO and Managing Partner of generationE Technologies.
"We are very serious about our commitment to customer service and are
pleased that PowerNet Global partnered with generationE."
   Netcool solutions allow PowerNet Global's operations staff to
proactively maintain all network elements and provide the best
possible quality of service and availability to their growing customer
base. Network operations engineers are able to leverage the powerful
and scalable solutions to pinpoint network problems and identify
precisely how a fault will impact customers and services, enabling the
team to improve network efficiency and ensure customer satisfaction.
   "Micromuse's Netcool solutions provide a best-in-class solution
for end-to-end network and performance management and are used by the
world's top 20 largest telecommunications providers," said Tom Axbey,
Micromuse's Vice President, Service Provider Sales. "Our focus on
providing scalable, flexible solutions with leading partners such as
generationE ensures a fast return on investment and lower total cost
of ownership for leading service providers who want to improve service
quality and reduce customer churn."

   About PowerNet Global

   Founded in 1992, integrated communications provider PowerNet
Global works with many of the country's top communications agents and
affinity groups to offer a wide range of integrated voice, data, and
Internet solutions nationwide to residential and commercial customers.
Leveraging its reputation in the industry with strong carrier
partnerships, PowerNet Global offers tremendous opportunities for
carriers, resellers, agents, and affinity groups. The company is
headquartered in Cincinnati, and has offices in Jamestown, New York
and Chicago. PowerNet Global has achieved consistent
growth--throughout the telecom industry downturn--by developing and
marketing an expanding array of competitive products, and maintaining
a clear focus on delivering unrivaled customer support. Please visit
www.powernetglobal.com

   About generationE Technologies

   generationE Technologies is an IT solutions provider of business
service assurance and management solutions. Their best-practice
disciplines span IT Service Management and Network Systems Management,
offering robust and scaleable solutions that include Network
Management, Security Management, Help Desk Implementation and Service
Level Management. Partnered with software vanguards of the IT
Operations space, generationE provides integration services for
"best-of-class" technology solutions that include implementation,
training, and support services for these products. generationE
Technologies has customers across the US and is headquartered at 2607
w. 22nd Street, Suite 47, Oak Brook, IL 60614; [phone]. For
more information, please contact [e-mail]. Website:
www.generationetech.com

   About Micromuse

   Micromuse Inc. (Nasdaq: MUSE) is the leading provider of
ultra-scalable, realtime business and service assurance software
solutions. The Netcool(R) software suite provides organizations with
the assurance that their IT systems are supporting and driving profits
24 hours a day. Unlike traditional infrastructure management systems,
Netcool solutions provide realtime end-to-end visibility and accurate
troubleshooting from a business perspective. Such business
intelligence allows organizations to respond to problems quickly,
streamline workflow processes and improve business uptime. Micromuse
customers include BT, Cable & Wireless, Deutsche Telekom, EarthLink,
ITC DeltaCom, JPMorgan Chase, MCI, T-Mobile, and Verizon. Headquarters
are located at 650 Townsend Street, San Francisco, Calif. 94103; (415)
568-9800. 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.