IDC HPC User Forum April 14 th, 2008 A P P R O I N T E R N A T I O N A L I N C Steve Lyness Vice President, HPC Solutions Engineering

C G G / V E R I T A S – r SLIDE | 2 :: Corporate Snapshot Company Overview Established in 1991 Headquartered in Milpitas, CA (Silicon Valley), Sales & Service office in Houston, TX Total Solution provider specializing in High Performance Computing systems for enterprise and government – Oil and Gas – Electronic Design Automation – Financial Services – Government/ Defense – Manufacturing – Bio-Informatics

C G G / V E R I T A S – r SLIDE | Appro 1124 Anandtech calls it “The Perfect Server” Linux Journal Web Server of the Year 2003 – 2004 Appro HyperBlade Cluster eWeek finalist – Best Server Hardware ClusterWorld “Best Clustering Solution” 2005 Appro XtremeBlade LinuxWorld Expo – Best Cluster Solution 2006 Appro XtremeServer SuperComputingOnline – Product of the Year Product Excellence 2007 Appro XtremeCluster Most Innovative Cluster Technology Award SuperComputingOnline – Product of the Year :: History of Product Excellence Company Overview

C G G / V E R I T A S – r SLIDE | 4 :: Our Presence in x86 Server Market Company Overview Source: IDC WW Quarterly PC Tracker Top 10 Vendors, USA Total x86 Server Shipments, 3Q 2007 Preliminary Data UNIT SHIPMENTS2007 VENDORRANK Dell1 HP2 IBM3 Rackable Systems4 Sun Microsystems5 Apple6 Appro7 Gateway8 NCR9 Fujitsu/Fujitsu Siemens10

C G G / V E R I T A S – r SLIDE | 5 Rmax Sum% 1IBM % 2HP % 3Cray % 4SGI % 5Dell % 6Linux Networx % 7Bull SA % 8Appro % 9NEC/Sun % 10NEC % Vendors by Performance – November 2007 :: Our Presence in HPC Company Overview

C G G / V E R I T A S – r SLIDE | 6 Recent Installations September 2006 NOAA Cluster 1,424 processors 2.8TB System Memory 15 TFlops October 2006 LLNL Rhea Cluster 4,608 processors 9.2TB System Memory 22 Tflops November 2006 LLNL Atlas Cluster 9,216 processors 18.4TB System Memory 44 TFlops June 2007 LLNL Minos Cluster 6,912 processors 13.8TB System Memory 33 TFlops :: Our Experience Company Overview

C G G / V E R I T A S – r SLIDE | 7  44U Equipment Rack  Fat-Tree, 2D, or 3D Interconnect Fabrics  Switching Integrated in the Racks  Support Dual or Quad Socket Nodes  Support AMD or Intel architecture  Equipment Rack = 14.4KW to 20KW  Shared, Redundant Power Supplies  Power Supplies rated at 90+% efficiency  Directed Airflow for maximum equipment cooling efficiency Appro XtremeClusters  Up to 6TF per rack  Integrated high-speed Interconnect Fabric  Integrated management Network  High Availability Configurations  Appro Cluster Management Solution Next Generation Servers Front Access Server Platform

C G G / V E R I T A S – r SLIDE | 8 Current Products 38TF AMD Barcelona Based System in UK GHz AMD Quad Core 4TB 667MHz DDR2 Memory Diskless Dual-Rail DDR Fat-Tree ACE Management Redundant Management Panasas Global Parallel FS Visualization System 24 X nVidia FX5600 Front End Quad Socket Quad Core 256GB 667Mhz DDR2 Redundant Power and Cooling

C G G / V E R I T A S – r SLIDE | 9 Current Products 95TF AMD Barcelona Based System in Japan

Thank you !! A P P R O I N T E R N A T I O N A L I N C