Global supercomputer leader Cray Inc. (Nasdaq: CRAY) plans to host an investor conference call on Thursday, July 28 at 1:30 p.m. PDT (4:30 p.m. EDT) to discuss second quarter 2011 financial results. The call will feature a discussion by senior management followed by a question and answer session. Conference Call Information To access the call, please dial into the conference at least 10 minutes prior to the beginning of the call at 1-888-549-7737. International callers should dial 1-480-629-9672. To listen to the audio webcast, go to the Investors section of the Cray website at http://investors.cray.com. If you are unable to attend the live conference call, an audio webcast replay will be available in the Investors section of the Cray website for 180 days. If you do not have Internet access, a replay of the call will be available by dialing 1-800-406-7325, international callers dial 1-303-590-3030, and entering the access code 4459276. The conference call replay will be available for 72 hours, beginning at 4:30 p.m. PDT on Thursday, July 28, 2011. About Cray Inc. As a global leader in supercomputing, Cray provides highly advanced supercomputers and world-class services and support to government, industry and academia. Cray technology is designed to enable scientists and engineers to achieve remarkable breakthroughs by accelerating performance, improving efficiency and extending the capabilities of their most demanding applications. Cray’s Adaptive Supercomputing vision is focused on delivering innovative next-generation products that integrate diverse processing technologies into a unified architecture, allowing customers to surpass today’s limitations and meeting the market’s continued demand for realized performance. Go to www.cray.com for more information. Cray is a registered trademark of Cray Inc. in the United States and other countries.