PhotonEx Appoints Jost Spielvogel to its Strategic Advisory Board; Former Optisphere CEO.

Business/Technology Editors

MAYNARD, Mass.--(BUSINESS WIRE)--May 22, 2002

PhotonEx(TM) Corp., a leading developer of next-generation optical systems for core public services networks, today announced the appointment of Jost Spielvogel to its Strategic Advisory board.

Mr. Spielvogel is a high-technology executive with deep experience in optical systems technology and its deployment in U.S. and international markets. He is currently founder and principal of Highland Market Services, a venture that supports young technology companies with a focus on the telecom sector. Most recently, Mr. Spielvogel served as CEO of Optisphere; he also had global management responsibility for the Optical Networks Division of Siemens Information and Communications Networks Group. Mr. Spielvogel will lend expertise to PhotonEx' market expansion as it delivers its 40 Gb/s and faster optical transport system for long haul, extended long haul and ultra long haul applications.

"Jost's extensive expertise in the development and carrier deployment of core optical systems will be a great asset to PhotonEx," said Dr. Kristin Rauschenbach, president and CEO of PhotonEx. "We look forward to leveraging his knowledge and insights."

"I am excited about the opportunities with PhotonEx and look forward to building on the strengths of the PhotonEx team and its powerful 40 Gb/s optical transport product, " said Mr. Spielvogel. "My intention is to help guide the strategic global deployment of PhotonEx' solutions, particularly in Europe and Asia, two very exciting markets for optical transport products today."

Mr. Spielvogel has been a leader and pioneer in optical networking and the international data and telecommunications industry. His experience is based on a 30-plus-year career that has spanned engineering, marketing, sales and general management on a global scale.

Between 1996 and 2002, Mr. Spielvogel was an executive in the Siemens Information and Communication Networks Business Group, where he headed the Business Units of Transport Networks, Broadband Networks and Optical Networks. He was also a member of the Executive Management Board for Siemens Information and Communications Networks Group. At Siemens, Mr. Spielvogel championed research and development efforts for next-generation optical systems; he also managed the introduction of WDM systems for carrier customers on several continents.

Before joining Siemens, Mr. Spielvogel founded and managed Bosch Telecom, Inc. in the U.S., a ten-year tenure beginning in 1985 during which he pioneered optical technologies into carrier networks.

PhotonEx Corp. (www.photonex.com) is the market-leading provider of deployable 40 Gb/s and faster smart photonic systems spanning long haul and ultra long haul applications. Its PX-Ultra(TM) optical system boosts service margins and minimizes network costs by delivering more bandwidth over longer distances at lower cost. PhotonEx further maximizes carrier ROI by enabling 40 Gb/s services on today's fiber, using today's components. With its unique multidisciplinary team, proven track record and host of patents, PhotonEx has the expertise and experience required to solve the critical economic and technical challenges of advanced optical networks.

Note: PhotonEx is a trademark of PhotonEx Corporation. All other trademarks mentioned in this document are the property of their respective owners.