Bluestone Software Becomes Premier Member of the Object Management Group; Bluestone to Contribute to Distributed Object Transactioning and Workflow Service Definitions through Recent Acquisition of Arjuna Solutions.

Business Editors

PHILADELPHIA--(BUSINESS WIRE)--Sept. 19, 2000

Bluestone(R) Software, Inc. (NASDAQ: BLSW), a leader in business-to-Web and wireless technologies, today announced that it has become a premier Contributing Member of the Object Management Group(TM) (OMG(TM)), an international software consortium responsible for establishing distributed computing specifications. As an OMG member, Bluestone's contributions will include the leading technologies and expertise gained through its recent acquisition of Arjuna Solutions Limited, one of the world's leaders in standards-based, distributed transactional and workflow software, and the developers of the industry's first and only commercial transactioning system developed entirely with Sun Microsystems' Java technology and based on Sun's Java Transaction Service (JTS).

"Joining the OMG at its highest level confirms the value of Bluestone's Internet Operating Environment(TM) and our pure Java Transaction Service to the Application Server industry as a whole," said P. Kevin Kilroy, chairman and CEO of Bluestone Software. "As the only vendor of Sun's J2EE and EJB technology with a commercial pure Java transactioning system, we find ourselves once again at the industry's forefront. We are honored and excited by the opportunities to contribute our knowledge and expertise to the OMG's efforts to improve the distributed object transactioning and workflow markets."

"The OMG is only as strong as our members, and its value to the software industry is inextricably tied to the value contributed by our members," said Richard Soley, chairman and CEO of Object Management Group. "Bluestone's participation in the OMG brings expertise in some of the most critical areas of distributed computing. The workflow and transactional integrity capabilities being advanced and refined at Bluestone are paving the way for the next generation of distributed applications. By collaborating with the OMG membership at large, Bluestone brings the benefit of its experience to the industry as a whole."

With the support of its membership of software vendors, software developers and end users, the OMG's CORB(R) is "The Middleware That's Everywhere(TM)." Since 1989, the OMG has been "Setting The Standards For Distributed Computing(TM)" through its mission to promote the theory and practice of object technology for the development of distributed computing systems. The goal is to provide a common architectural framework for object-oriented applications based on widely available interface specifications. The OMG is headquartered in Needham, MA, USA and has international marketing offices in Bahrain, Brazil, Germany, India, Italy, Japan and the UK, along with a U.S. government representative in Washington, DC, USA.

About Bluestone Software

Bluestone(R) Software, Inc. is a leader in business-to-Web and wireless technologies. Companies deploying e-business applications, like Avnet, CDNow, Food.com, MCI WorldCom, Planalytics, Reliance National, and Time Inc., rely on Bluestone's Total-e-Business(TM) platform, 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 is a registered trademark, and Internet Operating Environment and Total-e-Business are trademarks of Bluestone Software, Inc. CORB is a registered trademark, and Object Management Group, OMG, The Middleware That's Everywhere, and Setting The Standards For Distributed Computing are trademarks of the Object Management Group. 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.