Integra Telecom Selects Infinera for Northwest Network

SUNNYVALE, CA -- (MARKET WIRE) -- November 28, 2006 -- Integra Telecom has selected Infinera to provide a new optical network for Integra's long-haul network in the western U.S. The investment in an Infinera Digital Optical Network marks the latest step in Integra's growth strategy aimed at delivering unrivalled customer service in its region.

Based in Portland, Oregon, Integra Telecom is one of the largest competitive carriers in the U.S. In July, Integra acquired Electric Lightwave, LLC. (ELI) to add ELI's 4,700 route-mile long-haul network to Integra's robust metropolitan area fiber networks spanning more than 2,200 route-miles. With a reputation for market-leading customer service, Integra provides services to enterprises and carriers in eight western states.

Integra is confident that Infinera's digital architecture will enable it to meet customer demand for fast-growing high-speed data services. Infinera's digital architecture and monolithic photonic integrated circuits are designed to provide very high reliability which will help Integra sustain and enhance its reputation for quality and dependability, which has been confirmed by independent surveys in its major markets. With 100 Gigabits/second of bandwidth on every line card, Infinera also enables service delivery for new wavelengths or new services in days rather than in weeks or months.

"The Infinera solution enables Integra to reduce our service provisioning time dramatically while increasing the flexibility of our network through greater capabilities to switch and groom traffic into 10 Gigabit/second wavelengths. We believe that the Infinera solution's advanced performance monitoring will allow us to enhance our response time and increase our network reliability. We found that the total cost of ownership for the Infinera solution was less than other optical transport competitors. The benefits of the Infinera solution include the cost of the actual equipment, together with operational benefits such as ease of installation, service provisioning and maintenance support services. Finally, Infinera provides us with the variety and flexibility we demand for future service offerings," said Dave Bennett, Senior Vice President of Network Engineering of Integra Telecom.

"We are thrilled to be supporting a fast-growing, forward-looking carrier like Integra Telecom, and we are confident that the Infinera Digital Optical Networking system will help them achieve their ambitious growth and service provisioning plans," said Infinera co-founder and CEO Jagdeep Singh.

With total capacity of 800 Gb/s and fast, simple service turn-up thanks to its digital architecture, the Infinera DTN is designed to meet the needs of high-bandwidth networks and fast-growing networks. The Infinera DTN is architected to combine high-capacity transport, fully reconfigurable switching, and GMPLS service intelligence in one platform.

About Infinera

Infinera provides Digital Optical Networking systems to telecommunications carriers worldwide. Infinera's systems are unique in their use of a breakthrough semiconductor technology: the Photonic Integrated Circuit (PIC). Infinera's systems and PIC technology are designed to provide optical networks with simpler engineering and operations, faster time-to-service, and more flexible networking. For more information, please visit www.infinera.com.

About Integra Telecom

Integra Telecom, Inc. provides voice, data and Internet communications to thousands of business and carrier customers in eight Western states, including: Arizona, California, Idaho, Minnesota, North Dakota, Oregon, Utah and Washington. The company owns and operates a best-in-class fiber-optic network comprised of eight metropolitan access networks, a nationally acclaimed tier one Internet and data network and a 4,700-mile high-speed long haul network. The company enjoys some of the highest customer loyalty and customer satisfaction ratings in the telecommunications industry. Primary equity investors in the company include Bank of America Capital Investors, Boston Ventures and Nautic Equity Partners. Integra Telecom and Electric Lightwave are registered trademarks of Integra Telecom Inc. For more information, visit www.integratelecom.com.

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 regarding the future and can be identified by forward-looking words such as "anticipated," "believed," "could," "estimate," "expect," "intend," "may," "should," "will," and "would" or similar words. Infinera assumes no obligation to update the information included in this press release, whether as a result of new information, future events or otherwise.

Contact Information: For further information: Jeff Ferry Infinera Tel. +1 (650) 273-2100 Email Contact