BackWeb's Priority Internet Communication Infrastructure Software to be Installed on all New HP Pavilion Home PCs

SAN JOSE, Calif. - June 21, 1999 - BackWeb® Technologies (Nasdaq: BWEB), a leading provider of Priority Internet communication infrastructure and applications software for the extended enterprise, today announced that its Internet communication software will be installed on all new HP Pavilion home PCs as part of Hewlett-Packard Company's expanded service and support. HP will use BackWeb to proactively deliver hardware and software updates and critical information to the entire HP Pavilion line of home PCs.

"With BackWeb, HP has the ability to be proactive in meeting the needs of its customers," said Gilles Bouchard, Americas business manager for HP's Home Products Division. "By being able to proactively deliver information and updates to our users through BackWeb's Priority Internet communication software, we expect to increase customer satisfaction."

BackWeb's Internet communication infrastructure software is a powerful priority communications system based on a set of flexible, scalable technologies that enable an organization to capture information from virtually any data source and efficiently and reliably deliver it throughout the extended enterprise. BackWeb's advanced Polite Agent™ technology ensures network-sensitive delivery of sizeable digital data of any format to users' desktops across an extended network. The Polite Agent detects idle bandwidth and invisibly delivers content in the background.

"The ability to communicate with your customers and proactively meet their needs is essential in today's competitive marketplace," said Eli Barkat, CEO of BackWeb Technologies. "With BackWeb installed on the HP Pavilion home PC line, we believe HP will achieve that competitive advantage, and its customers will benefit from having critical information and technical support at their fingertips."

About BackWeb Technologies
BackWeb Technologies is a leading offline Web software company. BackWeb extends the value of technology investments by offering mobile and remote employees offline access to portals, intranets and other Web-based applications and content. The company's products reduce network costs and improve the productivity of an increasingly mobile workforce. At the core of BackWeb's products is its patented Polite® synchronization technology that can distribute large amounts of data even over narrow bandwidth connections. BackWeb® customers include market leaders such as Boehringer Ingelheim, Centocor, Eastman Kodak, GE Healthcare, Guidant, HP, KLA Tencor, Lam Research, Pfizer and more than one hundred other companies. BackWeb also has strategic reseller alliances with software industry leaders: Plumtree, SAP and IBM. The company is headquartered in San Jose, Calif. and Rosh Ha'ayin, Israel. For more information, visit www.backweb.com or call (800) 863-0100.

Statements in this news release, which are not purely historical, are forward-looking statements within the meaning of the U.S. Securities laws, including statements of beliefs, plans, expectations or intentions regarding the future. Examples of these statements include, but are not limited to, the ability of BackWeb software to allow customers to gain mobile, disconnected use of their portals and help increase field sales and field service productivity, the integration of BackWeb software with BEA products will help developers extend portal applications for offline use without changing the way they work, and the ability of the resulting applications to help field sales and service organizations realize maximum productivity, cost savings, and process acceleration gains while disconnected from the network. Actual results could differ materially from those in such forward-looking statements. Factors that could cause actual results to differ materially include unforeseen technological issues related to use of the BackWeb software, deployment issues related to implementation, unforeseen software errors, competitive factors and business and expense factors that may affect the perceived efficiencies from use of BackWeb's products, and the risks and uncertainties detailed from time to time in BackWeb's periodic reports and registration statements filed with the U.S. Securities and Exchange Commission. BackWeb assumes no obligation to update any forward-looking statements contained in this press release.