Isilon to Present at RBC Capital Markets 2009 Technology, Media, And Communications Conference

SEATTLE - June 5, 2009

Isilon® Systems (NASDAQ: ISLN), the proven leader in scale-out NAS, today announced that Isilon President and Chief Executive Officer Sujal Patel and Chief Financial Officer Bill Richter will present at the RBC Capital Markets 2009 Technology, Media, and Communications Conference at the Four Seasons Hotel in San Francisco, California, at 3:30 p.m. PT on Tuesday, June 9, 2009.

The presentation will be accessible via webcast HERE and will be archived for 30 days following the presentation.

About Isilon Systems

Isilon Systems (NASDAQ: ISLN) is the proven leader in scale-out NAS. Isilon's clustered storage and data management solutions drive unique business value for customers by maximizing the performance of their mission-critical applications, workflows and processes. Isilon enables enterprises and research organizations worldwide to manage large and rapidly growing amounts of file-based data in a highly-scalable, easy-to-manage, and cost-effective way. Information about Isilon can be found at http://www.isilon.com.

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