1. © 2010 DataDirect Networks. Confidential Information D D N D E L I V E R S DataDirect Networks Update Mike Barry, HPC Sales April 2010 - IDC HPC User Forum

2. © 2010 DataDirect Networks. Confidential Information D D N D E L I V E R S Company at a Glance World Leader in Capacity & Performance Storage Solutions for The Content Age World’s 5 th Largest Storage Manufacturer (IDC, Capacity) Fast-growth company: 300%+ over 6 years Profitable for 7 Consecutive Years Over 125 Petabytes Shipped in 2009 Alone Global Offices: USA, Europe, APAC Strategic, global delivery partnerships

3. © 2010 DataDirect Networks. Confidential Information D D N D E L I V E R S Core Competencies Delivering Open-Platform Infrastructure for Content & Data Intensive Applications High-Performance Solutions to Accelerate Applications Energy and Cost Efficient Scale-Out Storage

4. © 2010 DataDirect Networks. Confidential Information D D N D E L I V E R S The DDN Difference Deep Expertise To Deliver Scalable Infrastructure Understand > Architect > Deliver Full Application Stack Expertise Specializing in Next-Gen Workflows Applications Switching Storage Broad Product Portfolio to Meet Requirements Experience-Base Drawn from Leading Deployments

5. © 2010 DataDirect Networks. Confidential Information D D N D E L I V E R S HPC Leadership DDN Delivers More Bandwidth to the Top 500 Than All Other Storage Companies Combined DDN Solutions Power... 8 of the World’s Top 10 Systems 47 of the Top 100 Systems Over 100 of the Top 500 250GB/s Powering the World’s #1 HPC System at Oak Ridge National Laboratory Sample Customers

6. © 2010 DataDirect Networks. Confidential Information D D N D E L I V E R S What is leading in HPC DDN has applied knowledge from supporting world’s most challenging storage environments to deliver: –Extreme Performance –Extreme Scalability –No Compromise Storage Intelligence –Simple Storage Scale-Out –Maximum Performance and Power Efficiency –Lowest Operational Costs

7. © 2010 DataDirect Networks. Confidential Information D D N D E L I V E R S Extreme Storage Platforms An integrated solution portfolio ExaScaler 20K Clients 200GB/s+ S2A9900S2A6620 2GB/s, Up to 350K IOPS 120 Drives in 8U 6GB/s 1,200 Drives in 2 Racks GridScaler 1000s of Clients 200GB/s+, NAS xStreamScaler 100s SAN/LAN Clients HSM Capable xStream VTL 1-8 VTL Servers FC, iSCSI, iSER WOS 40 Billion Objects 4 Replicated Sites Cloud Appliance 10GB/s, Up to 1M IOPS 1,200 Drives in 2 Racks File Storage Parallel File StorageSAN File StorageVirtual Tape SFA10000 Storage Systems SASSATASLC SSD Up to 15KUp to 2TB Normal & Low Power 32 & 64GB Up to 35K I0PS Disks Object Storage

8. © 2010 DataDirect Networks. Confidential Information D D N D E L I V E R S In Summary Continuing HPC Storage Focus Low-End & High-End Solutions SAN, NAS, Parallel FS & Cloud Delivering Leadership Platforms Simplifying Deployment

9. © 2010 DataDirect Networks. Confidential Information D D N D E L I V E R S Questions? Mike Barry, HPC Sales 810-627-0002 mbarry@ddn.com