Orchestream to Announce Q2 2001 and Interim Financial Results.

Business Editors

LONDON--(BUSINESS WIRE)--Aug. 29, 2001

Orchestream Holdings plc (NASDAQ:OCHS)(LSE:OCH.), a leading provider of service activation and performance management software to global telecommunications network operators, will announce its Q2 2001 and interim financial

The company will issue a news release on September 4th at 7:00 am (London time) or 2:00 am (Eastern time) and host an analyst meeting and conference call in London beginning at 3:00 pm (London time) or 10:00 am (Eastern time). Ashley Ward, CEO, Richard Moore, EVP and Mark Charlton, CFO of Orchestream will lead the meeting.

The public can access the audio of the meeting by dialing +44 (0) 20 8240 8241 (in London and elsewhere in Europe) and +1 800 553 3594 (in North America). Callers should reference "Orchestream" as the meeting they want to join. The audio of the meeting will also be available via Web cast on the company's Web site at www.orchestream.com.

A replay will be available shortly after completion of the meeting through Tuesday, September 18th. To access the replay dial +44 (0) 20 8288 4459, access code - 657842 (in London and Europe), +1 800 553 3594, access code - 1143057 (in North America), or via Web cast on the company's Web site at www.orchestream.com.

About Orchestream

Orchestream is a leading provider of services activation and performance management software to the telecommunications industry. The company enables telecommunications carriers to deliver Internet Protocol (IP) based, e-commerce, data, video and voice-over-IP services. Orchestream's award-winning software, a major component of the Operations Support System (OSS), is the leading activation and provisioning solution for configuration of IP virtual private networks (IP-VPNs), facilitating Quality of Service (QoS) and performance monitoring of key network services, enabling profitable end-to-end Service Level Agreement (SLA) management. Orchestream's customers include AT&T, Telstra, Global Crossing, Interoute, NTT and Energis. For more information visit www.orchestream.com.