EXFO Announces Positive Preliminary Results for First Quarter of FY 2010

· GAAP net earnings and sales to finish above guidance range

· Book-to-bill ratio above 1

QUEBEC CITY, CANADA, November 30, 2009—EXFO Electro-Optical Engineering Inc. (NASDAQ: EXFO; TSX: EXF) announced today preliminary results for the first quarter ended November 30, 2009.

Given a stronger-than-anticipated US dollar versus Canadian dollar and higher sales volume, EXFO’s management now expects GAAP net earnings to finish between US$0.00 and US$0.01 per diluted share for the first quarter of fiscal 2010.

The company had previously forecasted a GAAP net loss between US$0.06 and US$0.02 per share, partially based on an anticipated pre-tax, foreign exchange loss of US$0.03 per share to account for the significant weakness of the US dollar in days preceding the issuing of company guidance on October 13, 2009. more

Windstream to acquire Iowa Telecommunications Services, Inc.

• Improves company’s financial position with free cash flow accretive transaction that lowers dividend payout ratio while maintaining solid balance sheet

• Provides approximately $35 million in annual expense and capital savings

• Includes tax assets with an estimated net present value of approximately $130 million

• Grows rural footprint with expansion into Iowa and Minnesota and adds approximately 256,000 access lines, about 95,000 high-speed Internet customers and about 26,000 digital TV customers

• Iowa Telecom Chairman and CEO Alan Wells to join Windstream board of directors

Release date: Nov. 24, 2009

LITTLE ROCK, Ark. - Windstream Corporation (NYSE: WIN) announced today that it has entered into a definitive agreement to acquire Iowa Telecommunications Services, Inc. (NYSE: IWA), based in Newton, Iowa, in a transaction valued at approximately $1.1 billion.

Iowa Telecom shareholders will receive 0.804 more

Optical Transport Equipment Market Revenues Declined in the Third Quarter,

According to Dell’Oro Group

Metro Equipment and 40 Gbps to Drive Growth in 2010

REDWOOD CITY, Calif. – November 23, 2009 – According to a newly published report by Dell’Oro Group, the trusted source for market information about the networking and telecommunications industries, worldwide optical market revenues were just under $3 billion in the third quarter of this year, a 4 percent decline over the second quarter of this year. The demand for optical transport equipment stabilized in North America where revenues have increased in the two most recent quarters. Asia Pacific continues to be the largest region for optical transport equipment with nearly 40 percent of worldwide market revenues.

“We believe that the optical market is recovering, and forecast steady improvements in year-over-year growth rates as well as a return to positive year-over-year growth by the more

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Corporate Communications

1-888-931-1117

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Global-i (Gi) Launches its Consulting Services via its Broadband Solutions to Support Recovery Act for Broadband Initiative, November 23, 2009

Herndon, VA (November 23, 2009) - Global-i (www.globaliconsulting.com), a provider of strategic business and technology consulting and project-based outsourcing services to Commercial and Government Clients is now offering its Consulting services via Global-i Broadband Solutions in support of the Recovery Act for Broadband Initiative of 2009.

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Global-i Broadband Solutions will provide Infrastructure and Systems Consulting, Service Development and Management Consulting-based Solutions via its Consulting and Contracting Services beginning November 23rd, 2009. Global-i Broadband Solutions demonstrate expertise in three specific solution areas: Communications Service Provider and Carrier Solutions, Communications Manufacturer and OEM Solutions; and Government Policy Solutions.

For further information on these services please call our office at 703-574-2917 and visit our more

Nokia Siemens Networks confirms that, with its financial partner, it did not submit the highest bid for Nortel’s optical networking and carrier Ethernet assets in the bankruptcy court-sanctioned auction that began on Friday morning and extended through the weekend. Nokia Siemens Networks believes that its final offer represented fair value for the assets, and further bidding could not be financially justified.<777>

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About Nokia Siemens Networks<777>

Nokia Siemens Networks is a leading global enabler of telecommunications services. With its focus on innovation and sustainability, the company provides a complete portfolio of mobile, fixed and converged network technology, as well as professional services including consultancy and systems integration, deployment, maintenance and managed services. It is one of the largest telecommunications hardware, software and professional services companies in the world. Operating in 150 countries, its headquarters are in Espoo, Finland. www.nokiasiemensnetworks.com<777>

PARIS, November 19, 2009 – Ekinops, a leading optical transport equipment provider, clearly stood out in the Deloitte Technology Fast 50 competition, a prestigious annual award that honors the fastest growing French technology companies. Ekinops received a first place ranking in the national award for the Telecom and Network industry sector.

The Deloitte Technology Fast 50 competition ranks companies based on the percentage of revenue growth over a five-year period (2004 - 2008). Ekinops achieved a remarkable revenue growth rate of 2,938 percent over this period.

“The optical transport market is facing many challenges; despite the economic crisis, telecom carriers have to rapidly upgrade their network to meet the growing need for increased bandwidth. Applications and services like video, TV over IP (Internet Protocol), new smart phones, and new next generation high speed wireless networks require significantly more bandwidth at the metro, regional and long-haul levels. The Ekinops more

tw telecom Forms Alliance with Fiber Ring

Colorado-based company is first national broadband provider to sign on to the project

Canandaigua, N.Y., November 18, 2009 — The Finger Lakes Regional Telecommunications Development Corp. (FLRTDC) is pleased to announce that tw telecom (Nasdaq: TWTC) — a $1 billion national broadband telecom provider based in Littleton, Colo., — has signed a master agreement with the public-benefit corporation.

The agreement makes tw telecom the first national business broadband telecommunications provider to participate in the advantages of the fiber optic ring in Ontario County. Finger Lakes Technologies Group was the first local competitive local exchange carrier (CLEC) to sign with the Corporation. more

SCOTTSDALE, Ariz., November 16, 2009 – Across nearly every category of wireline data services, spending by US businesses is falling in 2009, reports market research firm In-Stat (http://email.in-stat.com/cgi-bin4/DM/y/hBVYb0JPFkY0K560DHgc0Es). Overall, In-Stat expects a nearly 2% decline in US business spending on wireline data services, which represents the first time this market has declined in the 10 plus years In-Stat has been tracking it. more

Acquisition of DS3 DataVaulting Enhances Company’s Remote Data Storage, Backup Offering

1:47 pm EST, Thursday November 12, 2009

MIAMI–Terremark Worldwide, Inc. (NASDAQ:TMRK), a leading global provider of managed IT infrastructure services, today announced that it has acquired DS3 DataVaulting, a leading data management solutions company, for a purchase price of $11.5 million in cash. Founded in 2002, Fairfax, VA based DS3 provides customers with offsite, online data backup and restore services which enable enterprises and government agencies to rapidly and securely backup and restore files, databases and operating systems. more

Modular, extensible E7 introduces flexible new high-capacity option to Calix Unified Access portfolio

November 9, 2009, ORLANDO, FL (TelcoTV)— Calix, the largest communications equipment supplier focused solely on access solutions for broadband service delivery, today unveiled a revolutionary new approach to access networks: the E7 Ethernet Service Access Platform (ESAP), a modular, chassis-based pure Ethernet platform architected for carrier class performance, deployment flexibility and management simplicity. Marrying an advanced 100 gigabits per second (Gbps) backplane with a one rack unit (RU), two slot chassis, the E7 can deploy any mix of GPON, point-to-point gigabit Ethernet (GE) or Active Ethernet (AE), and 10GE transport for business and residential services, allowing communications service providers (CSPs) to combine multiple E7 platforms as a single, manageable network element.

The E7 is a highly extensible standards-based, Ethernet platform that offers CSPs the flexibility needed to address the bandwidth more