TANDEM AND USL PARTNER NONSTOP TUXEDO SYSTEM FOR OPEN TRANSACTION PROCESSING Provides Unmatched Reliability and Scalability for Open Transaction Processing Cupertino, Calif., July 20, 1993 -- UNIX Systems Laboratories, Incorporated (USL) and Tandem Computers Incorporated (NYSE:TDM) today announced that Tandem will integrate the TUXEDO Enterprise Transaction System software from USL with the Tandem NonStop Kernel operating system. The resulting product, called NonStop TUXEDO, will be the first open transaction monitor for business-critical client/server solutions delivering reliability and scalability. NonStop TUXEDO will enable a new generation of open applications, able to support tens of thousands of clients against a distributed database. As such applications grow larger, continuous availability and data integrity become increasingly important requirements. NonStop TUXEDO is uniquely positioned to provide those attributes. Transaction monitors, such as NonStop TUXEDO, are essential for building and running open transaction processing applications. NonStop TUXEDO will allow customers to develop solutions within a standard application environment. By using software that runs on many platforms, customers can deploy their applications on the widest variety of hardware and software possible. James G. Treybig, President and CEO of Tandem said, "This partnership with USL is evidence of Tandem embracing open systems, and signals the arrival of open, business-critical, client/server computing. We are excited that customers committed to open computing can now build solutions that benefit from Tandem's strengths--unmatched availability, reliability and parallel processing--for enterprise-wide solutions using cost-effective technology." "Tandem's choice of the TUXEDO system is based on their customer demands for open transaction processing, and on the market leadership of our product," said Roel Pieper, President and CEO of Unix Systems Laboratories, "We are pleased that as Tandem moves into open systems, they can now offer TUXEDO system technology as a standard for open transaction processing. Tandem's customers recognize the value of a transaction manager for their business-critical applications and can now use an open standard to develop highly reliable and scalable client/server systems." Tandem will develop and market NonStop TUXEDO with initial shipments scheduled for the second half of calendar 1994. NonStop TUXEDO will combine the USL UNIX software-based TUXEDO software with the transaction services of Tandem's NonStop Kernel operating system. As part of Tandem's embrace of industry standard interfaces, the NonStop Kernel operating system is designed to accept multiple open standards, such as POSIX, SQL and C Language--including the X/Open Distributed Transaction Processing XATMI API on which the TUXEDO system is based. With NonStop TUXEDO, open systems software vendors and customers who deploy their transaction processing applications on Tandem systems will benefit from such acknowledged Tandem strengths as better manageability and superior application reliability and availability. They will also enjoy unsurpassed scalability f as processing needs grow, open systems customers and ISVs can expand their Tandem systems without modifying their applications. Tandem Computers Incorporated is the leader in online transaction processing, fault tolerance and enterprise networks. The company manufactures, markets, and provides services and systems ranging from the desktop to the data center, as well as software and related products to deliver complete customer solutions. Tandem, headquartered in Cupertino, CA., is a Fortune 500 company with offices worldwide. UNIX System Laboratories, A fully owned subsidiary of Novell, Inc. is headquartered in Summit, NJ and develops and supplies the UNIX System Technology adopted by eighty percent of the open system vendors worldwide. Other USL products include the TUXEDO Enterprise Transaction Processing System, Open Networking Platform OSI software, and the C++ Language System. UNIX and TUXEDO are registered trademarks of UNIX System Laboratories, Inc., in the USA and other countries. Tandem, NonStop, and the Tandem logo are trademarks of Tandem Computers Incorporated.