DIAB-SDS Strengthens Support for Accelerated Technology, Inc.

SAN JOSE, Calif.--(BUSINESS WIRE)--Sept. 27, 1999--

Leading Development Tools for Embedded 32-bit RISC Designs Target

ATI's Nucleus Product Line with Latest SingleStep v7.5 and RTA Suite

v4.3

DIAB-SDS, the market leader in embedded development tools for embedded 32-bit RISC processors, and an independent subsidiary of Integrated Systems, Inc., (NASDAQ: INTS), today announced that it will target Accelerated Technology, Inc.'s (ATI's) widely accepted Nucleus real-time operating system with SingleStep v7.5 - the newest version of its popular debugging environment, and Diab RTA v4.3 - the newest version of its run-time analysis solutions. Embedded application developers worldwide will benefit from the winning combination of ATI's leading full-source royalty-free RTOS spanning all key embedded 32-bit processors and DIAB-SDS' proven technology, expertise, service, and innovative development tools.

"We have had a long-time relationship with ATI, and supporting the Nucleus product with our newest and most powerful tools to date was a priority to ensure our continuing mutual success," said Sven Brehmer, chief operating officer and executive vice president of DIAB-SDS. "The market acceptance of ATI's products, as evidenced by their rapid growth over the last several years, makes ATI a valued partner. The scope of on-going cooperation is global, with a next-step goal of more closely integrating DIAB-SDS and ATI solutions, and our commitment to their success is long-term."

"The merger of our long-time partners Diab Data and SDS is a great benefit to the embedded market, and viewed favorably by us," said Hank Andray, chief operating officer of ATI. "We are very pleased that the merger has actually enhanced our relationship with DIAB-SDS. We are currently exploring joint solutions for our mutual customers, with the purpose of enhancing developers' out-of-box experience by integrating our products into a single package that features seamless installation. Today's announcement of SingleStep 7.5 and RTA 4.3 support for Nucleus is another step forward in our relationship, and will provide even more reasons why embedded developers around the globe should choose ATI and DIAB-SDS solutions."

Availability

DIAB-SDS tool support for ATI's Nucleus software today includes:

-- Diab v4.3 D-CC, D-C++ compiler support

-- SingleStep v7.5 debugger

DIAB-SDS will offer RTA v4.3 support for ATI Nucleus software on both PowerPC(TM) and ColdFire(R) processors in Q4 1999.

For more information on DIAB-SDS tools support, please contact DIAB-SDS corporate headquarters at 1-650-571-1700, [e-mail]/[e-mail], www.diabsds.com.

About Accelerated Technology, Inc.

Accelerated Technology, Inc., an Inc. 500 company, is headquartered in Mobile, Alabama with sales offices and distributors worldwide. By providing the embedded systems community with the industry leading source code and non-royalty based Real-Time Operating System, ATI has been recognized as an inductee of the Software 500 and Technology Fast 500, a Motorola Computer Group (MCG) Gold Partner and a member of the Microsoft(c) Developer Network (MSDN) ISV Program. These RTOS products shorten development time and reduce costs for engineers by supplying them with well-documented source code and no royalty fees. Organizations that have taken advantage of the "Makes Sense" business model of ATI include Hyundai Network, Motorola, NASA, Panasonic, Sony and Texas Instruments. For more information, please visit the site: http://www.atinucleus.com.

About DIAB-SDS

DIAB-SDS is a wholly owned, independent operating subsidiary of Integrated Systems, Inc. (NASDAQ: INTS). Formed through the recent merger of Diab Data and SDS, DIAB-SDS is the new leader in embedded tools, offering the best compiling technology and software development solutions for embedded 32-bit RISC applications. DIAB-SDS specializes in open standards compliant, ultra high-performance C, C++ and Java compiling solutions, integrated run-time analysis tools, simulators, and comprehensive debug solutions. DIAB-SDS is headquartered in Foster City, California.

SingleStep, FastJ, D-CC and D-C++ are trademarks of DIAB-SDS. Other brand or product names are registered trademarks or trademarks of their respective holders.

U. S. Sales Contact: DIAB-SDS, 323 Vintage Park Drive, Foster City, California 94404; telephone [phone]; fax [phone]; DIAB-SDS, 333 East Butterfield Road, Lombard, Illinois 60148; telephone [phone]; fax [phone]; email [e-mail]. Additional information about DIAB-SDS is available at www.sdsi.com and www.ddi.com.

International Contacts: DIAB-SDS in the UK at 44(0)1442-876065; fax [phone]; email [e-mail]. DIAB-SDS in France at 33(0)442-125660; fax [phone]; email [e-mail].; DIAB-SDS in Japan at 81-3-5469-0240, fax [phone], email [e-mail]; US office for Asia/PAC at 630-971-5900; fax [phone]; email [e-mail].