WAND.L Regulatory News (WAND)

4 September 2013

WANdisco plc

("WANdisco" or the "Company")

WANdisco Files Another New Patent Application with USPTO

WANdisco Utilises Unique Replication Technique to Eliminate another Hadoop Single Point of Failure - HDFS

Sheffield, UK - WANdisco (LSE: WAND), a provider of high-availability software for global enterprises to meet the challenges of Big Data and distributed software development, announces that it has filed a new patent application with the United States Patent and Trademark Office (USPTO) related to distributed computing with Hadoop for its Big Data solutions. WANdisco's patent application represents a significant addition to the company's portfolio of distributed computing technology.

The patent application involves WANdisco's active-active replication applied to the Hadoop Distributed File System (HDFS) over a Wide Area Network ("WAN"). Developed by a team led by Dr. Konstantin V. Shvachko, the creator of HDFS and current member of the Apache Hadoop Project Management Committee (PMC), the new innovations are expected to have significant benefits for users of WANdisco's Big Data products.

On January 29, 2013, WANdisco was issued patent number 8,364,633 for "Distributed computing systems and system components thereof" for the fundamentals of "active-active replication" over a Wide Area Network ("WAN"), enforceable until July 11, 2028. This new patent application reflects the innovations the company has developed to apply this core patented technology to Hadoop.

Commenting on the new patent application, WANdisco Chairman and CEO, said:

"WANdisco's engineers are continually breaking new ground in distributed computing technology. We look forward to the approval of this patent application. Ours are the only solutions available that deliver 100% uptime for Hadoop on a global scale."

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About WANdisco plc

WANdisco (LSE: WAND) is a provider of enterprise-ready, high-availability software solutions that enable globally distributed organizations to meet today's data challenges of secure storage, scalability and availability. WANdisco's products are differentiated by the company's patented, active/active data replication technology, serving crucial high availability (HA) requirements, including Hadoop Big Data and Application Lifecycle Management (ALM). Fortune Global 1000 companies including AT&T, Motorola, Intel and Halliburton rely on WANdisco for performance, reliability, security and availability. For additional information, please visit www.wandisco.com.

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