Offers Innovative Quality of Service Monitoring Solutions to Enable Rich Multimedia Experience to Mobile Users MILPITAS, Calif., Jan. 4 /PRNewswire-FirstCall/ -- JDSU today announced an agreement to purchase Casabyte Inc., a leading provider of service quality monitoring solutions for mobile network operators. Casabyte addresses the rapidly growing need for quality of service (QoS) test solutions as network operators deliver bandwidth-intensive multimedia content over converged fixed- mobile networks. Casabyte will be integrated with JDSU's Communications Test and Measurement division, one of the leading providers of service assurance solutions to telecommunications and cable network operators worldwide. Service assurance solutions enable network operators to identify, troubleshoot and prevent network degradation that can impair voice, data, video and mobile service quality. JDSU expects to complete the acquisition of Casabyte in the current fiscal third quarter ending March 31, 2007. Financial terms of the transaction were not disclosed. According to OSS Observer, an industry research firm specializing in telecom software market analysis, the mobile probe test system market addressed by Casabyte will grow 12 to 14 percent annually over the next five years. "JDSU has a leading position in the residential broadband market," said Patrick Kelly, founder and analyst at OSS Observer. "Casabyte's solutions should help JDSU provide a broader offering of products to support customers deploying fixed-mobile networks and services. Casabyte's product set is very complementary with JDSU's NetComplete service assurance product portfolio." Casabyte's service quality monitoring solutions help ensure quality of service, reduce operating expenses and lower customer churn as mobile network operators deploy next generation networks and new, content-rich data and video services. Casabyte's products include the RCATS(R) (Remote Cellular Automated Test System) platform and a managed wireless test platform known as RoamerNet(R). Casabyte, based outside of Seattle in Renton, Washington, serves tier-one mobile service providers. Head End to Handset Test "The convergence of fixed-mobile networks and services requires communications test solutions for any service at any point in the network -- from the head end to the handset," said John Peeler, president of JDSU's Communications Test and Measurement division. "With the addition of Casabyte's product portfolio, JDSU offers the industry's broadest set of service assurance solutions for the deployment of 'quad-play' broadband services for consumers and businesses." With this acquisition, JDSU builds on the leadership position it has gained in the service assurance market for fixed telecommunications and cable networks and services. The company has gained this position through its award-winning NetComplete(TM) portfolio, a set of test systems to ensure high-quality performance of IP networks and services such as IPTV and VoIP. JDSU's NetComplete VoIP solution was recently recognized by the International Engineering Consortium with a 2006 InfoVision Award. "In a fiercely competitive market, the simple expansion of services alone will not enable service and content providers to meet their business objectives," said John Read, president of Casabyte. "Quality of service is a key success factor, and we will continue to help our customers achieve their QoS goals as a part of the JDSU family." JDSU's acquisition of Casabyte is designed to accelerate the company's service assurance growth by capitalizing on a number of key assets, including Casabyte's established wireless service quality solutions expertise and innovation; the established customer relationships JDSU and Casabyte have with leading fixed and wireless network operators worldwide; and JDSU's global direct sales organization and other distribution channels. About Casabyte, Inc. Casabyte Inc., based in Renton, WA, is a world leader in providing automated end-to-end service quality monitoring technology to the wireless industry. Casabyte's advanced wireless QoS solutions enable wireless service providers, equipment vendors, applications providers and system integrators to remotely monitor and audit the quality and availability of subscriber services. Telecommunications companies worldwide count on Casabyte Wireless QoS solutions to optimally manage wireless networks. Casabyte delivers global solutions compatible with U.S. and international wireless protocols 2G (GSM, TDMA, cdmaOne & iDEN), as well as 2.5G (GPRS, EDGE & CDMA2000 1xRTT), 3G (WCDMA/UMTS & CDMA2000 1xEV-DO). For more information, please visit http://www.casabyte.com/ . About JDSU JDSU (Nasdaq: JDSU; and TSX: JDU) is committed to enabling broadband & optical innovation in the communications, commercial and consumer markets. JDSU is the leading provider of communications test and measurement solutions and optical products for telecommunications service providers, cable operators, and network equipment manufacturers. Furthermore, JDSU is the leading provider of innovative optical solutions for medical/environmental instrumentation, semiconductor processing, display, brand authentication, aerospace and defense, and decorative applications. More information is available at http://www.jdsu.com/ . The statements contained in this press release that are not purely historical are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Act of 1934. Such forward-looking statements include, but are not limited to any statement or implication that the mobile phone test system market will grow at the rate predicted by third parties; that Casabyte's operations, sales channels and business will be successfully integrated into JDSU, or that Casabyte's products described in this press release (i) will be successfully introduced or marketed, (ii) will be qualified and purchased by our customers, or (iii) will perform to any particular specifications or performance or reliability standards. Such forward-looking statements involve risks and uncertainties that, if realized, could materially impair the Company's results of operations, business, and financial condition. These risks and uncertainties include the following, among other things: (a) our current visibility as to customer demand levels, future market growth and the timing, extent, location, requirements and nature of network build-outs and technology transitions, is extremely limited; (b) the timing, extent, location, requirements and nature of network technology transitions is extremely unpredictable and development cycles are generally very long; and (c) the products may not (i) perform as expected without material defects, (ii) be manufactured at acceptable volumes, yields, and cost, (iii) be qualified and accepted by our customers, and (iv) successfully compete with products offered by our competitors, and (d) factors discussed from time to time in reports filed by the Company with the Securities and Exchange Commission. The forward-looking statements contained in this news release are made as of the date hereof, and the Company does not assume any obligation to update or qualify any of the statements made herein. Source: JDS Uniphase Corporation. http://www.newscom.com/cgi-bin/prnh/20050913/SFTU125LOGO http://photoarchive.ap.org/ DATASOURCE: JDSU CONTACT: media, Jim Monroe, +1-240-404-1922, or , or investors, Jacquie Ross, +1-408-546-4445, or , both of JDSU Web site: http://www.jdsu.com/ http://www.casabyte.com/

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