Excel Switching Corporation Names Peter Lojko Vice President and General Manager of Wireline Strategic Business Unit.

HYANNIS, Mass.--(BUSINESS WIRE)--Dec. 7, 1998--Excel Switching Corporation (NASDAQ:XLSW), a leading provider of open switching platforms for telecommunications networks worldwide, today announced its appointment of Peter M. Lojko as vice president and general manager for the company's Wireline Strategic Business Unit. In this position, Lojko will be responsible for marketing programs, sales, support, product development and management of Excel's switch solutions for the carrier market.

"Peter's leadership capabilities and wide range of experience in the carrier market bring extraordinary value to an already strong management team," said Robert Madonna, president and CEO of Excel. "Peter's experience will be a driving force in helping Excel continue to provide leading edge telephony solutions to the wireline industry."

Lojko brings 20 years of telecom experience to Excel. Previously, he worked for NextWave Telecom, based in Billerica, Mass., where he held the position of vice president and general manager of the Northeast region. At NextWave Telecom, Lojko was responsible for the initial business development of a startup national PCS Carrier for the New England region. He built a staff, architected the system buildout and performed sales and support efforts for New England resellers.

Lojko has also served as vice president of operations for American Mobile Satellite Corporation and as the executive director of technical services for NYNEX Mobile Communications. In addition, Lojko held senior management positions in operations and engineering at NYNEX, operating the networks in the greater Boston area. He earned a bachelor's degree in electrical engineering from the University of Lowell, and a master's degree in business administration from Suffolk University.

About Excel Switching Corporation

Excel Switching Corporation is a leading provider of open switching platforms for telecommunications networks worldwide. Excel develops, manufactures, markets and supports a family of open, programmable, carrier-class switches that address the complex enhanced services and wireless and wireline infrastructure needs of network providers. Excel's products are currently deployed in telecommunications networks in approximately 60 countries throughout the world. Visit Excel's website at http://www.xl.com.

This release may contain statements which are "forward looking," and is subject to risks and uncertainties that could cause actual results to differ significantly from expectations. Factors that might cause such a difference include, but are not limited to, those relating to Excel's dependence on and concentration of relationships with application developers, original equipment manufacturers and systems integrators; possible delayed or lengthy sales cycles; risks associated with new product introductions; Excel's dependence on its proprietary rights; and other risks identified in the Company's Securities and Exchange Commission filings including those risks identified in the section entitled "Risk Factors" of the Company's Annual Report for the year ended December 27, 1997 on Form 10-K, as amended. Product and service names used within are trademarks, registered trademarks and service marks of their respective owners.