Arrow Electronics TO Standardize Global Intranet Applications on BLUESTONE Software; World-Leading Distributor Turns to Total-e-Business, Sapphire/Web, and Bluestone XML Suite for Worldwide Intranet Infrastructure.

Business Editors/High-Tech Writers

PHILADELPHIA--(BUSINESS WIRE)--May 15, 2000

Bluestone(R) Software, Inc. (Nasdaq: BLSW), a leading provider of Enterprise Interaction Management software, today announced that Arrow Electronics, Inc., (NYSE:ARW), the world's largest distributor of electronic components and computer products, will standardize its global intranet applications infrastructure on Bluestone's comprehensive, standards-based Total-e-Business(TM) platform, award-winning Sapphire/Web(R) Application Server framework, and Bluestone XML Suite(TM) Integration Server.

After extensive evaluation of competing offerings, Arrow Electronics selected Bluestone technologies and solutions to establish its global intranet solution. "Our goal is to make it easier to do business within Arrow Electronics by deploying systems that let our employees work together better and share information globally," stated George Garone, vice president of information systems services for Arrow Electronics. "The size of our organization demands a platform that can manage high transaction volumes, deliver high availability, and scale reliably to support our dynamic growth. More importantly, we needed a cross-platform architecture that can seamlessly integrate with our existing systems, while enabling rapid development of new applications that maximize our return on investment. Bluestone's technologies and solution sets meet or exceed our requirements, making them the perfect, logical choice."

Added John H. Capobianco, senior vice president and chief marketing officer for Bluestone Software, "Arrow Electronics' commanding market position reflects the success of its people and its critical mainframe, midrange, and client/server systems. Moving forward, the company is looking to intranet and other e-business applications for sustained growth and market leadership. Bluestone's robust, scalable, and extensible Application Server, Integration Server, and e-business platform lets Arrow Electronics leverage its proven systems, while embracing a Web-centric computing model that will pave the way to new customers, increased profits, reduced operating costs, and improved internal operations."

About Arrow Electronics, Inc.

Arrow Electronics is the world's largest distributor of electronic components and computer products, with 1999 sales of $9.3 billion. Headquartered in Melville, New York, Arrow serves as a supply channel partner for more than 600 suppliers and 175,000 original equipment manufacturers and commercial customers through more than 225 sales facilities and 19 distribution centers in 37 countries. Detailed information about Arrow's operations can be found at www.arrow.com.

About Bluestone Software

Bluestone(R) Software, Inc. is a leading provider of Enterprise Interaction Management software. Companies deploying e-business applications, like CDNow, Food.com, MCI WorldCom, Reliance National, Planalytics, and Time Inc., rely on Total-e-Business(TM), 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 [e-mail], or visit http://www.bluestone.com.

Bluestone and Sapphire/Web are registered trademarks, and Bluestone XML Suite and Total-e-Business, are trademarks of Bluestone Software, 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.