Hoff and Associates Will Offer Cray XD1 Supercomputers to Clients Engaged in Compute-Intensive Engineering High-Performance Systems Will Help Clients Accelerate Their Development Cycles and Improve Product Quality

SEATTLE, WA -- (MARKET WIRE) -- 10/04/2005 -- Global supercomputer leader Cray Inc. (NASDAQ: CRAY) today announced that engineering solutions consultancy Hoff and Associates will offer Cray XD1™ supercomputers to its computer-aided engineering (CAE) clients as part of the company's comprehensive solutions portfolio. The Cray XD1 architecture is designed to accelerate engineering and other high-performance computing (HPC) applications that require peak performance to quickly solve complex problems.

"The Cray XD1 supercomputer's superior performance and scalability, and its cost effective processor packaging, make it an ideal addition to our engineering systems offerings," said Hoff and Associates President Curtis Hoff. "Our extensive experience in all aspects of CAE will enable us to custom-configure the system to fit our clients' specific requirements, speeding their product development cycles and enhancing design quality."

"We are delighted to be working with respected advanced engineering solutions provider Hoff and Associates to bring the Cray XD1 system to the broader CAE community," said Himanshu Misra, CAE business manager at Cray. "Their in-depth knowledge of CAE applications, the underlying computational models, and the link between application performance and system design ensures that users will get the most from their CAE investment. The partnership between Cray and Hoff and Associates will provide CAE users with a powerful solution that delivers superior application performance, whether the application needs tens or hundreds of processors."

About the Cray XD1 Supercomputer

The Cray XD1 supercomputer combines direct-connect system architecture, HPC-optimized Linux, management and reconfigurable computing technologies to deliver industry-leading performance on real-world applications. Purpose-built for demanding HPC applications such as computational chemistry, environmental forecasting and CAE, the Cray XD1 system lets users simulate, analyze and solve complex problems more quickly and accurately. The x86-based Cray XD1 system supports a broad range of 32- and 64-bit HPC applications on AMD Opteron single- or dual-core processors. The system also provides application acceleration capabilities using field-programmable gate array (FPGA) technology directly connected to the Cray XD1 compute environment.

About Hoff and Associates

Founded in 1990, Hoff and Associates delivers comprehensive engineering solutions to clients in the aerospace, automotive, semiconductor, medical, marine and plastics industries. Using sophisticated design, modeling and analysis tools, and offering custom-tailored HPC systems, the company specializes in helping clients enhance their product development efforts, including validation, physical testing and finite element analysis. Hoff and Associates' staff includes experts in CAE analysis, mechanical design, product development, manufacturing, dimension management and program management. Go to http://www.hoff.com for more information.

About Cray Inc.

As the global leader in HPC, Cray provides innovative supercomputing systems that enable scientists and engineers in government, industry and academia to meet both existing and future computational challenges. Building on years of experience in designing, developing, marketing and servicing the world's most advanced supercomputers, Cray offers a comprehensive portfolio of HPC systems that deliver unrivaled sustained performance on a wide range of applications. Go to http://www.cray.com for more information.

Safe Harbor Statement

This press release contains forward-looking statements. There are certain factors that could cause Cray's execution plans to differ materially from those anticipated by the statements above. These include the technical challenges of developing high-performance computing systems, the successful porting of application programs to Cray computer systems, reliance on third-party suppliers, Cray's ability to keep up with rapid technological change and Cray's ability to compete against larger, more established companies and innovative competitors. For a discussion of these and other risks, see "Factors That Could Affect Future Results" in Cray's most recent Quarterly Report on Form 10-Q filed with the SEC.

Cray is a registered trademark, and Cray XD1 is a trademark, of Cray Inc. AMD, AMD Opteron and combinations thereof are trademarks of Advanced Micro Devices, Inc. All other trademarks are the property of their respective owners.