ViryaNet Second Quarter 2003 Earnings Advisory

Southborough, Mass. - July 23, 2003 - ViryaNet (NasdaqSC: VRYA), a leading provider of integrated mobile and Web-based software applications for workforce management and the automation of field service delivery, today announced that it will report its second quarter 2003 financial results no later than Thursday, August 14, 2003.

At the time of issuance, a copy of the news release will be made available on the company's web site at www.viryanet.com.

About ViryaNet

ViryaNet is a provider of software applications that improve the quality and efficiency of an organization's service operations. ViryaNet's flagship product - the award-winning ViryaNet Service Hub - combines the power of the Internet, the freedom of wireless technologies, and the resources of ViryaNet's deep service expertise to help companies improve workforce scheduling, dispatching, and activity reporting; customer contract and entitlement automation; and asset, logistics and repair management.

Customers in the utility, telecommunications, grocery and retail, high-technology manufacturing, HVAC, and other service industries use ViryaNet Service Hub to transition complex service business processes into a manageable, scalable Internet operation, with the goal of increasing service revenues, decreasing service costs, and maximizing customer satisfaction.