1. SGI Proprietary SGI Update IDC HPC User Forum September, 2008

2. 2 SGI’s Foundation 4,000 customers EngineeringSoftware Systems that work “out of the box” People who know the space Strong Silicon Graphics Brand Systems architecture Packaging High-productivity Linux environment Manufacturing Installation and Support Production Compute Data-intensive Visualization

3. 3 SGI Technology Strategy Unified High-Performance Solutions  Focus on core platforms for compute, visualization, and storage  Best-of-breed products in each  Industrial Strength Linux Environment (ISLE) to integrate  Hybrid computing  Leverage R&D investments

4. 4 HPC Market

5. 5 Server Mission Design, deliver and market a broad range of HPC server products which command customer preference through HPC-targeted capabilities, sustained technology differentiation, and a superior deployment experience; and can serve as the basis for Visualization and Storage products which do the same.

6. 6 SGI ® Altix ® Compute Platforms SGI ® Altix ® XESGI ® Altix ® ICESGI ® Altix ® Industry Standards-Based ─ 100% Linux Performance Storage Platform SGI Worldwide Customer Service and Support

7. 7 SGI ® Altix ® XE Slide 7 Future Focus: Make clusters as simple to build, use, manage as SSI Enhance packaging model to provide broad spectrum of customer choice – optimize for density, system cost, extensibility

8. 8 SGI ® Altix ® ICE Slide 8 Future Focus: Advanced management hierarchy to simplify large system scalability & use Leverage key processor & interconnect technology advances for breakthrough cluster performance

9. 9 SGI ® Altix ® 450/4700 Slide 9 Future Focus: Extend to support Peta-scale computing Push boundaries of scalable computing on industry-standard, commercially available platforms

10. 10 Data-Driven Market

11. 11 SGI InfiniteStorage Vision SGI InfiniteStorage is the market leader in storage solutions tailored to the needs of technical computing and high performance enterprise customers. Our goal is to deliver storage products that pair the ultimate in performance with ease of use, deployabilty and reliability.

12. 12 SGI ® InfiniteStorage: Meeting Diverse Needs Comprehensive IO Solutions SGI ® InfiniteStorage Solutions SGI® InfiniteStorage NEXIS Network Attached Storage (NAS) Data Backup, Recovery, Replication, Migration SGI® InfiniteStorage Data Lifecycle Management (DLM) server SGI ® InfiniteStorage Hardware RAID solutions, for diverse processing and connectivity needs SAN Infrastructure, fully integrated to enhance information flow TAPE Products to enhance data protection and Data Lifecycle Management (DLM) SGI ® InfiniteStorage Software Solutions CXFS no compromise shared Filesystem for Storage Area Networks (SANs) Data Migration Facility (DMF), industry leading data management tool Appliance Manager featuring enhanced NAS NFS, configuration, management and monitoring Storage SGI Slide 12

13. 13 Image-Driven Market

14. 14 Silicon Graphics — 25 Years of Visual and Virtual Leadership More than 100,000 visualization systems deployed 1987 First Graphics Workstations Average 20 years of Viz expertise Same experts developed patented Viz IP Pioneer in special effects Eight consecutive years of Academy Awards Taking the world to 4K GamingReality Centers Digital Media and Production People Make it Possible First 64-bit gaming system with Nintendo First interactive immersive gaming experience — Magic Edge simulators — 1990 Applied technology advances to major commercial market applications First Virtual Reality Center — circa 1990 Disney Visionariums — circa 1994 Nearly 700 operational centers today

15. 15 Today’s Visualization Challenges Information Overload Big Complex Data Giving Real-time Information To Global Users

16. 16 Visualization Directions Everything Anywhere Any Way You Want It Visualize Anything

17. 17 BOOKINGS Bookings/Backlog FY 2007–2008 Year-Over-Year Growth BOOKINGS YoYGrowth:122% BACKLOG Q4 FY 2008 +78% Q4 FY 2007 YoY Growth: 25% Year-Over-Year Growth

18. 18 Pro forma Revenue by Fiscal Year 20022003200420052006200720082009 Revenue Inflection Point FY 2009

19. 19 Pipeline or Sales Funnel * FY 2007–2008 Year-Over-Year Growth PIPELINE FY 2008 +86% FY 2007 Year-Over-Year Growth * Pipeline or Sales Funnel is defined as total booking opportunities, measured as of the end of each fiscal year.

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