1. Appro Products and Solutions Anthony Kenisky, Vice President of Sales Appro, Premier Provider of Scalable Supercomputing Solutions: 9/1/09

2. APPRO CORPORATE PRESENTATION :: Appro at a glance Leading developer of high performance servers, clusters and supercomputer Solutions – Established in 1991 – Headquartered in Milpitas, CA – Global Sales presence with International Channel Partners – Sales and Services in EMEA via Strategic Alliance with NEC – Regional Sales and Service Office in Houston, Texas – R&D and manufacturing in Korea – Integrated and tested solutions in the Bay Area, CA Target Markets – Government / Defense – Education and Research – Manufacturing – Oil & Gas – Financial services Company Overview

3. APPRO CORPORATE PRESENTATION Competitive Advantages :: Technology Differentiation No need for LWK (Light-Weight-Kernel) which allows system to run a wider range of commercial applications Diskless Operation with Std Linux OS support ACE™ Cluster Management Software to simplify management of large, complex systems Complete Cluster Management System can be partitioned to support multiple operating environments to provide flexibility in 3 rd party applications support Dynamic Virtual Cluster Operation Innovative air cooling system architecture which supports very dense systems and lowers facility cooling costs Packaging Scalable: single-rail or dual-rail, 3D Torus or Fat Tree Topologies, providing superior network communications performance Flexible: support for DDR or QDR single/dual rail IB configurations Network Communications Performance

4. APPRO CORPORATE PRESENTATION HyperPower™ Clusters HyperGreen™ Clusters Xtreme-X™ SuperComputer :: Diverse Product Line Appro Product Portfolio Performance and availability for Mid to Large-Sized Deployments Flexibility and Choice for Small to Mid-Sized Deployments

5. APPRO CORPORATE PRESENTATION :: Small to Mid-Size Deployments Appro Cluster Solutions Appro HyperGreen™ Cluster Energy Efficient Cluster Appro HyperPower™ Cluster GPU, Performance Optimized Clusters Offers the latest CPU and GPU computing technologies Based on an open architecture with standard 19” rack support Price/Performance per watt, density, reliability and flexibility Offers a variety of configurations and Open cluster management options Tested and pre-integrated solution deployed as a complete package HPC professional services and support available 1 2

6. APPRO CORPORATE PRESENTATION :: Power-Efficient Clusters HyperGreen™ Cluster Up to 80 DP GreenBlades™/640 cores per 42U Rack Up to 5.12TB of system memory Up to 80TB of local storage Fully populated rack weighs ~1,749 lbs Rack-level power consumption is ~16kW to 32kW 20% power reduction per node compared to 1U servers Supports 20 Gb/s DDR and 40 Gb/s QDR interconnect options Standards IPMI or Appro BladeDome remote server mgmt Choice of open software solutions using Rocks+ and MOAB Ideal for small to mid-size HPC and high-density computing 1

7. APPRO CORPORATE PRESENTATION HyperGreen™ Cluster 1 :: Power-Efficient Clusters

8. APPRO CORPORATE PRESENTATION Appro HyperPower™ Cluster Supports 304 CPU/18,240 GPU cores in a standard 42U rack Up to 78TF single precision GPU performance Supercomputing performance at a lower power, lower cost and fewer systems than standard CPU-only clusters Based on an open architecture delivering performance and scalability in a dense cluster computing Pre-integrated solution deployed as a turn-key solution Choice of a variety of configuration options HPC professional services and support options 2 :: Hybrid CPU/GPU Performance Optimized Clusters

9. APPRO CORPORATE PRESENTATION GPU Computing Cluster # of Racks 1 2 4 8 12 # of CPU Cores 304 608 1,216 2,464 3,648 # of GPU Cores 18,24036,48072,960 145,920 218,880 Max Memory Capacity 3.646TB 7.296TB 14.592TB 29.184TB 43,776TB GPU Peak Single Precision78.66TF156.18TF312.36TF 624.72TF 937.08TF GPU Peak Double Precision 6.56TF13.12TF26.24TF 52.48TF 78.72TF.... Appro HyperPower™ Cluster 2 :: Hybrid CPU/GPU Performance Optimized Clusters

10. APPRO CORPORATE PRESENTATION Product Roadmap: The Appro Next Generation GPU supercomputing solution will be announced at SC09 Next Generation Solutions

11. APPRO CORPORATE PRESENTATION Xtreme-X™ SuperComputer :: 3DTaurus and Fat Tree Architecture Appro Product Portfolio Performance and availability for Mid to Large-Sized Deployments

12. APPRO CORPORATE PRESENTATION :: Mid to Large-Sized Deployments Xtreme-X™ Supercomputer Management Network GbE Switch (Dual Rail) 36-port QDR Infiniband Switch 16 Compute nodes’ Subrack Balanced Architecture (CPU, Memory, Network) Scalability (SW & Network) Reliability (Real RAS: Network, Node, SW) Facilities (30% less space, 28% less power) 512 cores based nodes/Rack Peak Performance/Rack: 6.1TF Memory Capacity/Rack: 1.5TB Single or Dual Rail Management Network Efficient Cooling Architecture : 22 KW/Rack Redundant PSU 90% Efficiency, 5+1, PFC Appro Cluster Engine™ Management Software Scales up to 1000TF of computing power Supports multiple interconnect topologies Performance and Availability

13. APPRO CORPORATE PRESENTATION :: Path to PetaFLOP Computing Appro Xtreme-X Supercomputer - Modular Scalable Performance Number of Racks 1 2 8 48 96 192 Number of Processors 128 256 1024 5,952 11,90423,808 Number of Cores 512 1,024 4096 23,808 47,61695,232 Peak Performance6TF/s 12TF/s 49TF/s279TF/s 558TF/s 1.1PF/s Memory Capacity1.5TB 3TB12TB 72TB 143TB 286TB Memory BW Ration GB/s per GF/s - 0.68GB/s per GF/sMemory Capacity Ratio GB per GF/s - 0.26GB per GF/s IO Fabric Interconnect – Single or Dual-Rail QDR IO BW Ratio GB/sec per GF/s - 0.17GB/s per GF/s Usable Node-Node BW GB/s - 6.4GB/sNode-Node Latency - <2us Performance Numbers are Based on 2.93GHz Intel Nehalem Processors and Includes only Compute Nodes.... Xtreme-X™ Supercomputer

14. APPRO CORPORATE PRESENTATION Complete Lights-out Cluster Management Suite Diskless operation with standard Linux distribution – No need for local disk which reduces cost and increases system reliability Integrated cluster management SW suite – Tighter integration results in trouble-free operation Active-active redundancy with easy-to-use interface – To support commercial deployment requirements Middleware-Hooks Job Scheduling IB-Subnet Manager Virtual Cluster Manager Instant SW Provisioning 3D Torus Network Topology Support Dual Rail Networks Stateless Operation Remote Lights out Management Standard Linux OS Support Failover & Recovery :: ACE™ Cluster Management SW Xtreme-X™ Supercomputer

15. APPRO CORPORATE PRESENTATION Renault F1 Racing Team Delivered 38TFs Xtreme-X Supercomputer for Virtual Wind tunnel project Customer Quote “Appro not only offered us a cost effective solution but they also improved our required technical specification through better reliability, greater fault tolerance and redundancy as well as more flexibility with regards to system scalability.” Bob Bell, Technical Director, ING Renault F1 Team :: Recent Design Deployment Xtreme-X™ Supercomputer

16. APPRO CORPORATE PRESENTATION Appro Next Generation of Xtreme-X Supercomputer will offer 3 different configurations: A. Xtreme-X EL (Entry level) Single Rail configuration, Fat-Tree Architecture with ACE SW Management features B. Xtreme-X MR (Mid-Range) – Dual Rail Configuration, Fat-Tree Architecture with ACE Management features C. Xtreme-X HE (High-End) - Dual Rail configuration, 3DTorus Architecture with ACE Management features Xtreme-X™ Supercomputer Product Roadmap:

17. Appro Products and Solutions Anthony Kenisky, Vice President of Sales Appro, Premier Provider of Scalable Supercomputing Solutions: 9/1/09