Isilon Announces Results

SEATTLE -- Isilon Systems, Inc. (Nasdaq: ISLN - News), the leader in clustered storage, today reported financial results for the 2007 first quarter ended April 1, 2007. Revenue for the first quarter was $21.6 million, an increase of 107 percent from $10.4 million in the first quarter of 2006.

Recent announcements of strategic partner and customer agreements with a broad range of industry leading companies, including Schlumberger, NBC Universal, NASA, Second Life and XM Satellite Radio, reflect strong continued growth in Isilon's customer base, which increased 149 percent from 180 customers at the end of the first quarter of 2006 to 448 customers at the end of the first quarter of 2007. Underscoring its focus on maximizing the significant market opportunity created by the broad-scale shift to clustered storage, Isilon also today announced (see separate press release) that it has expanded its management team with storage industry executives with proven track records of scaling business and managing large, worldwide organizations.

"Our year over year growth in revenue and customers reflects the solid underlying fundamentals in Isilon's business," said Steve Goldman, president and chief executive officer. "Also, during the first quarter, Isilon made significant progress in laying the foundation for future growth by expanding its line of clustered storage systems and software, growing the company's worldwide channel business and continuing to garner industry awards and recognition for Isilon's product innovation and market leadership."

Isilon Systems Inc.