LightHouse(TM) Sensor Technology for Power Utilities Generally Available


SMART GRID SOLUTION FEATURED AT DISTRIBUTECH CONFERENCE, FEBRUARY 3-5

PITTSBURGH, Feb. 3 / / - Tollgrade Communications, Inc. (NASDAQ:TLGD), a leading supplier of service assurance test products and solutions, announced that the first release of its LightHouse(TM) distribution grid monitoring system is now generally available. Availability of the new sensor technology coincides with the power distribution industry's annual DistribuTECH Conference & Exhibition, which is being held in San Diego, Feb. 3-5, 2009.

Tollgrade officials will be displaying its new centralized remote monitoring system to improve service delivery for power utility operations and efficiency of electric grid systems at Booth #2239 at the San Diego Convention Center.

Tollgrade's LightHouse solution is designed to provide real-time grid intelligence by using sensors that continuously monitor key circuit parameters while transmitting data over a wireless network to a central location, thus reducing time of detecting a problem on the grid, identifying its location and restoring service.

"We have recently completed development of the first LightHouse release and are pleased that it has achieved general availability," said Joseph Ferrara, President and CEO of Tollgrade. "This smart grid solution remains in active trials with multiple electric utilities, and we have a number of trials planned with customers and partners in the coming quarters," added Ferrara.

In 2008, Tollgrade was among the companies selected by the U.S. Department of Energy to be a part of a multi-year project called the "West Virginia Super Circuit," one of a number of initiatives aimed at modernizing the nation's electricity grid. Also, Tollgrade is a member of the national consortium GridWise(TM) Alliance that comprises the leading U.S. companies and organizations that are participating in the Alliance's collective effort to transform the nation's electric power and distribution systems.

For more information about Tollgrade's LightHouse product line for the electric power industry, please visit www.tollgrade.com/lighthouse, or call 1-800-878-3399.

About Tollgrade

Tollgrade Communications, Inc. is a leading provider of network service assurance products and services for centralized test systems around the world. Tollgrade designs, engineers, markets and supports centralized test systems, test access and status monitoring products, and next generation network assurance technologies. Tollgrade's customers range from the top telecom and cable providers, to numerous independent telecom, cable and broadband providers around the world. Tollgrade's network testing, measurement and monitoring solutions support the infrastructure of cable and telecom companies, as well as for power distribution companies. For more information, visit Tollgrade's web site at www.tollgrade.com.

Source: Tollgrade Communications, Inc.

CONTACT: Bob Butter, Communications, Tollgrade Communications, Inc.,
+1-412-820-1347, bbutter@tollgrade.com

Web Site: www.tollgrade.com/

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