Corrigent to Discuss Its Packet Transport Solution at Telecommunications Events in April

Corrigent Systems, a leading provider of packet transport for next generation service provider networks will discuss the attributes and benefits of its CM-100 Packet Transport solution, designed to deliver packet and TDM traffic, in two communications industry events in April. -0- Live Webinar: Ethernet Architectures: Pros & Cons of Aggregation Networks Speaker: Mannix O'Connor, Director, Corporate Marketing When: Tuesday, April 11, 2006 12:00 pm EDT/ 9:00 am PDT URL: http://www.lightreading.com/webinar.asp?doc_id=27677 Some network operators are considering the architecture of their aggregation networks when they deploy Ethernet services, in an effort to guarantee service-level agreements in a cost-effective way. The pros and cons of different approaches will be debated in this Webinar, including the benefits of using Packet Transport aggregation solutions for Ethernet services delivery. IIR Conference: NG-SDH -- Packet Transition Speaker: Gady Rosenfeld, VP Marketing Topic: Moving beyond NG-SDH to true packet-based access and core networks Where: Crowne Plaza Hotel -- Vienna, Austria When: Thursday, April 27, 2006 11:30 am URL: http://www.iir-events.com/IIR-conf/Telecoms/EventView.aspx?EventID=406 Examining the evolution of SDH -- the operator's ubiquitous transport technology -- to provide cost-effective networking for new packet-based applications, while maintaining service availability and QoS for existing circuit-based products. Packet-based transport options may displace SDH in the long term, and service providers today are looking for secure and cost-effective ways to evolve their installed base of SDH transport equipment to deliver strategically important new services, such as Triple Play video and Ethernet L2 VPN. The event will focus on examining service providers' expectations, as well as vendors' solutions, for packet-aware transport networks.

About Corrigent

Corrigent Systems is a market leader in next generation metro transport systems. Designed to enable profitable delivery of voice, video and data for Triple Play, Carrier Ethernet and Multi-service offerings, Corrigent's focus is metro transport technology that maximizes revenue and profit for service providers. Used by carriers worldwide, the CM-100 line of Packet ADMs integrates the traffic management and control of RPR and MPLS and eliminates the need for multiple transport elements. The Packet ADM allows carriers to evolve their SONET/SDH networks with a standards based and interoperable product line that is optimized for today's service requirements. Orckit Communications (NASDAQ:ORCT) is the parent company of Corrigent Systems. For more information: http://www.corrigent.com

Corrigent Systems and CM-100 are registered trademarks of Corrigent Systems, Inc. All other Brands and products referenced herein are the trademarks or registered trademarks of their respective holders. Certain matters discussed in this release are forward-looking statements that involve risks and uncertainties. Readers are cautioned that forward-looking statements may differ significantly from actual future events or results. Corrigent assumes no obligation to update the information in this release.