Soapstone Networks, Inc. (SOAP) Chief Executive Officer to Ring the NASDAQ Stock Market Closing Bell


ADVISORY, March 19, 2008 (PRIME NEWSWIRE) --



 What:
 William Leighton, Chief Executive Officer of Soapstone Networks,
 Inc. (SOAP), will preside over the closing bell in celebration of
 the name and ticker symbol change from Avici Systems.

 Where:
 NASDAQ MarketSite - 4 Times Square - 43rd & Broadway - Broadcast Studio

 When:
 Wednesday, March 19, 2008 at 4:00 p.m. ET

 Contacts:
 Inna Vyadro
 978.715.2309 (office)
 ivyadro@soapstonenetworks.com

 NASDAQ MarketSite:
 Robert Madden; 646.441.5045
 Robert.Madden@nasdaq.com

Feed Information:

The closing bell is available from 3:50 p.m. to 4:05 p.m. on uplink IA-6 C-band/transponder 17. The downlink frequency is 4040 Vertical; Audio 6.2-6.8. The feed can also be found on Waterfront fiber 1623. If you have any questions, please contact Robert Madden at (646) 441-5045.

Radio Feed:

An audio transmission of the closing bell is also available from 3:50 p.m. to 4:05 p.m. on uplink IA6 C band / transponder 24, downlink frequency 4180 horizontal. The feed can be found on Waterfront fiber 1623 as well.

Webcast:

A live Webcast of the NASDAQ Closing Bell will be available at: http://www.nasdaq.com/reference/marketsite_about.stm

Photos:

To obtain a hi-resolution photograph of the Market Close, please go to http://www.nasdaq.com/reference/marketsite_events.stm and click on the market close of your choice.

About Soapstone Networks, Inc. (SOAP):

Soapstone Networks is at the forefront of the movement to Carrier Ethernet by delivering resource control systems that realize NGN software-provisioned services in the new Carrier Ethernet transport network. Soapstone's common control framework decouples services from underlying network technologies. The Soapstone solution dynamically provisions precise, SLA-quality services, continuously optimizing utilization of network resources to bring orderly, predictable business-driven behavior to service provider networks. The future of Carrier Ethernet -- www.soapstonenetworks.com