Brix Networks Secures $5 Million in Latest Round of Funding.

CHELMSFORD, Mass. -- Brix Networks

--New Investor Castile Ventures Leads Round;

--Long-time Brix Supporters Charles River Ventures, ComVentures, Fidelity Ventures, Partech International, And STAR Ventures Also Continue To Back Growing VoIP Management Company

Brix Networks (www.brixnet.com), the trusted provider of Voice over Internet Protocol (VoIP) performance management and service assurance solutions, today announced it has raised $5 million in its fifth round of venture capital funding.

This latest series of financing was lead by new Brix investor Castile Ventures, and also included long-time company backers Charles River Ventures, ComVentures, Fidelity Ventures, Partech International, and STAR Ventures.

Additionally, Nina Saberi, a partner at Castile, has joined the Brix Board of Directors where she'll serve along with Tom Pincince, president and CEO of Brix Networks; Joe Chinnici, senior vice president, finance and CFO, CIENA Corporation; Rubin Gruber, founder and chairman emeritus, Sonus Networks; Rob Ketterson, managing partner, Fidelity Ventures; Alan Taffel, former vice president of marketing, UUNET Technologies (now part of MCI); and Mike Zak, partner, Charles River Ventures.

"With its compelling technology, established products, and ever expanding list of brand-name customers and partners, Brix Networks enjoys a strong position in the VoIP monitoring market and is a company on the move and building value," said Saberi.

With total funding of approximately $60 million since the company's inception in July 1999, this new round of capital will be used to accelerate the sales, marketing, and engineering development efforts at the growing VoIP management company.

"The proceeds from this latest round will help fuel our aggressive sales expansion plans, fund our increased marketing programs, and also allow us to make additional investments in our engineering and corporate infrastructure," said Pincince. "Our solutions have increasingly become vital components in the networks of leading companies around the world, and we want to be able to take full advantage of all the market opportunities before us."

The company's seamlessly integrated hardware and software products -- collectively called the Brix System -- are strategic and indispensable network management tools that proactively monitor VoIP quality. The Brix System features the unique Brix Tri-Q(TM) Analysis that provides total VoIP service testing across each of the three most important areas that impact users: signaling quality (call setup performance), delivery quality (media path network performance), and call quality (overall voice clarity and call experience).

The Brix System improves the overall effectiveness of networks, and allows organizations to maximize their investment in -- and increase the value of -- all their business-critical IP services.

About Brix Networks

Brix Networks is the trusted provider of real-time performance management and service assurance solutions that allow carriers, service providers, cable companies, large enterprises, and government agencies to build, operate, and assure their VoIP networks and services. The Chelmsford, Mass., U.S.A.-based company's award-winning hardware and software products let network operators proactively manage the quality and reliability of their offerings. Additional information about Brix Networks can be found on the company's Web site at www.brixnet.com, and by calling 978-367-5600, or 1-888-BRIXNET.

Brix Networks, Brix, Brixnet, the Brix Networks logo, and Brix Tri-Q are trademarks of Brix Networks, Inc.

All other company or product names mentioned may be trademarks of their respective holders.