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KDDI EZweb Mobile Internet Service Chooses Narus to Drive Billing for Content, Premium Services

Innovative New Service Includes Location-Based Information, Commerce, Movies

Palo Alto, CA - February 14, 2002 — Japan's KDDI's Ezweb mobile service this week announced that its next generation wireless service, which was deployed in December 2001, incorporates the Narus OSS mediation solution for advanced content and premium service billing. The Narus-generated information is being used for upstream settlement with content providers as well as downstream consumer billing based on criteria such as web sites visited.

KDDI's EZweb is the first announced next generation service that gives customers tiered billing for content and premium offerings. NEC (NEC Networks) was the prime contractor for KDDI's IP mediation system, and acted as system integrator for the KDDI IP billing deployment.

"Our unified mobile and IP strategy is designed to provide a wireless environment that offers subscribers compelling and fun information, much of it location-based. This requires a scaleable, flexible infrastructure capable of collecting customer usage intelligence for millions of subscribers. The Narus platform has proven itself up to this task, and we expect to deepen our relationship with the company as our service expands even further," said Mr. Takahashi, general manager, IP Application Development Group, KDDI.

Based on a WAP 2.0 platform, the new EZweb will take advantage of the latest technologies to deliver such services as ezmovie movie clip delivery and eznavigation location-based services for maps, landmarks, etc. The Narus OSS mediation solution is at the heart of KDDI's delivery of these services, collecting and filtering detailed granular information to power consumer billing by service used, content delivered and location. The same information will be used for complex settlements with content providers, based on transaction commissions, traffic, content viewed, or other criteria.

"This is a major deployment for Narus and a significant endorsement of our mobile market strategy," said Ori Cohen, Narus chairman. "Unlike the gradual ramp-up of many services, KDDI's EZweb is already serving millions of customers in Japan, and our platform had to be capable of handling not only this traffic but also significant increases in subscriber base, service offerings and complexity as the service migrates to the next generation."

In July, 2001, Narus announced a content and premium services solution for mobile internet operators. The solution is designed to support a fault tolerant, highly redundant wireless environment, capable of handling billions of transactions daily. Narus' solution gives the operator the power to target specific customer segments, offering premium content that can be billed according to such criteria as premium services consumed, websites visited, volume, flow usage data and email traffic. Information generated through the NARUS platform is filtered and delivered to a post-paid billing system in the industry-standard IPDR format.

Additionally, decision support solutions provide an information backbone, allowing operators to design and implement new services. As well as standard reports, operators can create more, custom reports.

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About Narus, Inc.

Narus software solutions provide the real-time traffic insight essential to profitably manage, secure and deliver Services over IP. Today, large IP-based networks are transforming the traditional circuit-switched world of telecommunications into a dynamic, ever-changing world of IP-based services such as VoIP, IPTV and others. In order to secure, monitor, bill and provide excellent quality of service for these IP-based offerings, service providers must simultaneously capture, normalize and correlate IP traffic across all layers of the network. Only NarusInsight is capable of providing companies with the means to capture, normalize and correlate IP traffic at the speed required for carrier-class networks. With its patented technology and processes, Narus helps customers like AT&T, Korea Telecom, KDDI, Telecom Egypt, Saudi Telecom, France Telecom and T-Mobile in areas of network security, traffic classification and monitoring.

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