FREMONT, Calif. — May, 31 2006 — Panasas Inc., today announced the United States Patent and Trademark Office granted the company three new patents for techniques that optimize the performance of the Panasas ActiveScale Storage Cluster™. The new patents dynamically optimize Panasas Storage Cluster performance without the need for end-user interaction and greatly simplify system management as both file and directory sizes grow.

"Panasas continues to demonstrate technical vision and innovation in the development of advanced storage solutions," said Garth Gibson, chief technology officer at Panasas. "These new patents address key components of current and future versions of the Panasas ActiveScale Storage Cluster, enabling us to meet the evolving storage requirements for high-performance computing in both technical computing markets, as well as commercial markets."

Powered by the groundbreaking Panasas ActiveScale File System™ (PanFS), the Panasas ActiveScale Storage Cluster is driving the complexity out of network storage for high-performance computing. Panasas was awarded U.S. Patent No. 6,985,995 addressing data file migration, U.S. Patent No. 7,007,024 regarding hashing objects into multiple directories for better concurrency and manageability and U.S. Patent No. 7,007,047 for creating internally consistent file system images in distributed object-based data. These patents enable the Panasas solution to optimize the layout of individual files, as well as the layout of each directory. File size and directory optimization ensures the delivery of the highest throughput possible between the compute cluster and storage system as file sizes grow over time, and provides customers the ability to create massive directories of files without sacrificing performance.

About Panasas

Panasas, Inc., the leader in high-performance scale-out NAS storage solutions, enables enterprise customers to rapidly solve complex computing problems, speed innovation and bring new products to market faster. All Panasas solutions leverage the patented PanFS™ storage operating system to deliver exceptional performance, scalability and manageability. Panasas systems are optimized for demanding storage environments in the energy, government, finance, manufacturing, bioscience and higher education industries. For more information, visit www.panasas.com.