Bluestone Software Fortifies Product Line With J2EE-based Bluestone Universal Business Server for TeB; Complete Support for Java 2 Platform, Enterprise Edition Bolsters Bluestone's Proven Application Deployment Engine with JSP 1.1, Servlets 2.2, and E

Business Wire, May 1, 2000

S2 Systems, Inc.

"Bluestone's adherence to standards-based technology, such as J2EE and XML, is critical to the success of S2 Systems' 300 customers because it allows them to extend their delivery of transactions and content directly to any device. Additionally, our integration of S2 Systems' products with Total-e-Business allows us to develop E-Business Interaction Processing(TM) applications, which are essentially online transaction processing applications for e-business. These applications will offer our customers and ASPs the opportunity to create new business transactions by applying business rules processing to information from multiple systems and applications." -- Stephen Clark, president and chief operating officer for S2 Systems, Inc. (www.s2systems.com), a leading global provider of high volume, high availability transaction processing and information access solutions for e-business.

Sanchez Computer Associates, Inc.

"The robust security features of Bluestone's core technology have been a key factor for Sanchez's multi-channeled consumer banking product offering -- @Profile/Weblink. The highly secure environment is critical to install confidence of banking institutions and their consumers in using the e-commerce products provided by Sanchez Computer Associates." -- Li Hou, vice president of Internet and Client Architecture and chief technologist at Sanchez Computer Associates, Inc. (www.sanchez.com), a market leader in providing enterprise banking software and a flexible financial services systems architecture for institutions worldwide.

About Bluestone Software

Bluestone(R) Software, Inc. is a leading provider of Enterprise Interaction Management software. Companies deploying e-business applications, like Avnet, CDNow, Food.com, MCI WorldCom, Reliance National, Planalytics, Inc. (formerly Strategic Weather Services), and Time Inc., rely on Bluestone Total-e-Business(TM), Bluestone Sapphire/Web(R), and Bluestone XML Suite(TM) to provide comprehensive e-business platforms, Internet-class infrastructures, and robust integration services that e-business success demands. Bluestone is headquartered at 300 Stevens Drive, Philadelphia, Pennsylvania, 19113-1597. For more information, please call 888-Bluestone or 610-915-5000, email info@bluestone.com, or visit http://www.bluestone.com

Bluestone and Sapphire/Web are registered trademarks, and Bluestone Universal Business Server for TeB, Hot Versioning, IQS, Total-e-Business, Total-e-Global, Total-e-B2B, Total-e-B2C, Total-e-Wireless, and Total-e-Server and Bluestone XML Suite are trademarks of Bluestone Software, Inc. E-Business Interaction Processing is a trademark of S2 Systems, Inc. All other names, brands or products may be trademarks or registered trademarks of their respective owners.

Certain statements in this press release constitute forward-looking statements as such term is defined in the Private Securities Litigation Reform Act of 1995. Forward looking statements involve known and unknown risks, uncertainties and other factors, including those contained in Bluestone's publicly filed reports with the Securities and Exchange Commission, which may cause Bluestone's actual results, performance, or achievements or those of its customers or its industry to be materially different from the future results, performance or achievements expressed or implied by these forward looking statements. Specifically, the Company's beliefs with respect to the business opportunities presented by e-business and the Company's ability to profitably market and deploy its product solutions may prove to be inaccurate. In light of the significant uncertainties inherent in these forward looking statements, the information in this press release should not be considered a representation by the Company or any other person that Bluestone's objectives and plans will be achieved.