Infinera Selected by XO Communications for Network Upgrade

XO Expands Nationwide Capacity to Accommodate Growing Bandwidth Demand


SUNNYVALE, Calif., July 30, 2007 (PRIME NEWSWIRE) -- XO Communications (OTCBB:XOHO) has selected Infinera (Nasdaq:INFN) for a major capacity addition to its nationwide network to meet fast-growing demand for bandwidth.

Last year, XO selected Infinera for a nationwide 18,000 route-mile optical network as part of its strategic initiative to become a major competitor in the nationwide wholesale telecom market. The expansion announced today, including 800 Gigabits/second (Gb/s) of additional capacity on coast-to-coast routes, represents a 200% increase in network capacity.

Flexibility and Speed

The Infinera network has provided XO competitive advantages in terms of service flexibility and speed. The innovative modular design of the Infinera DTN is designed to allow XO to quickly and easily offer SONET/SDH and Ethernet services at rates of 10 Gb/s, 2.5 Gb/s, and 1 Gb/s from the same platform, enabling XO to sign more customers and offer more services than they could with traditional DWDM systems.

Last year's initial XO deployment of an Infinera network was completed in five months, more quickly than originally scheduled. With its carrier-class IQ network operating system including GMPLS service intelligence, the Infinera network is able to automatically recognize and configure network assets, reducing the time and manpower required to deploy a network or add a new circuit, freeing up valuable engineering resources to focus on more strategic challenges.

In addition, Infinera's digital architecture and superior economics have helped to enable XO to offer services in more locations, including Tier 1 and Tier 2 markets, providing access to more customers and more revenue to XO. In a news announcement published today, XO stated that it has seen a year-on-year increase in orders for inter-city network transport services of more than 500%. (Please see the news announcement entitled XO Communications to Significantly Increase Core Network Capacity at www.xo.com/news/352.html for further details.)

"We have again selected the Infinera DTN for the benefits of the Digital Optical Network's architecture, including faster deployment and provisioning times, greater network reliability, increased flexibility, and attractive capital and operating costs," said Randy Nicklas, chief technology officer at XO Communications.

"We are delighted to broaden and deepen our relationship with a leading service provider like XO Communications," said Infinera CEO Jagdeep Singh. "The Infinera platform is an ideal solution for the wholesale telecom market, which puts an emphasis on speed, customer service, and network intelligence."

The Infinera DTN is designed to be an effective solution for long-haul and metro optical networks, combining the scalability of high-capacity DWDM, the flexibility of integrated switching, the operational intelligence of GMPLS and a carrier-class network management solution on a single platform.

About Infinera

Infinera provides Digital Optical Networking systems (the DTN System) to telecommunications carriers, cable operators and other service providers worldwide. Infinera's large-scale photonic integrated circuit (PIC) incorporates 100 Gigabits per second of transmit and receive capacity and the functionality of more than 60 discrete optical components into a pair of indium phosphide chips. Infinera's DTN system and PIC technology are designed to provide optical networks that provide operating simplicity, enhanced revenue generation, faster time-to-service and capital cost savings. For more information, please visit www.infinera.com.

The Infinera company logo is available at http://www.primenewswire.com/newsroom/prs/?pkgid=3830

This press release contains certain forward-looking statements based on current expectations, forecasts and assumptions that involve risks and uncertainties. These statements are based on information available to Infinera as of the date hereof; and actual results could differ materially from those stated or implied, due to risks and uncertainties. Forward-looking statements include statements regarding Infinera's expectations, beliefs, intentions or strategies, including statements regarding our system and the benefits it provides our customers such as XO, our belief that our system provides superior economics and has enabled XO to sign more customers and offer more services than they could with traditional DWDM systems, our belief regarding competitors' optical systems, our belief that the DTN System is an ideal solution for the wholesale telecom market and other statements that can be identified by forward-looking words such as "anticipated," "believed," "could," "estimate," "expect," "intend," "may," "should," "will," and "would" or similar words. The risks and uncertainties that could cause our results to differ materially from those expressed or implied by such forward-looking statements include aggressive business tactics by our competitors, our dependence on a single product, our ability to protect our intellectual property, claims by others that we infringe their intellectual property, our manufacturing process is very complex, product performance problems we may encounter, our dependence on sole or limited source suppliers, our ability to respond to rapid technological changes, our ability to maintain effective internal controls, the ability of our contract manufacturers to perform as we expect, general political, economic and market conditions and events, including war, conflict or acts of terrorism; and other risks and uncertainties described more fully in our public announcements, reports to stockholders and other documents filed with or furnished to the Securities and Exchange Commission. These statements are based on information available to us as of the date hereof and we assume no obligation to update the forward-looking statements included in this press release, whether as a result of new information, future events or otherwise.



            

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