Splunk Reports 2010 Revenue of $66 Million; 96% Annual Growth Rate

Operational Intelligence Leader Adds 900 New Customers, Expands International Operations

London – Feb. 28, 2011 – Splunk, the leading provider of operational intelligence software, today announced record results for the year ending December 31, 2010. For the full year, Splunk achieved revenues of $66 million, representing year-over-year growth of 96%. Splunk added over 900 new customers for the year, increasing the total to over 2,300 customers in 74 countries.

“Our 2010 results reflect the investment Splunk is making to drive customer success,” said Godfrey Sullivan, president and CEO of Splunk. “We doubled our field organisation, our technical support capability, and our apps development team. In addition to our core markets within IT, our customers are now using Splunk in new markets such as web and business analytics. I want to thank our loyal customers for their enthusiastic evangelism of Splunk around the world.”

Additional 2010 Highlights:

• Released Splunk 4.1: Real-time search and monitoring for live streaming IT data

• Ended year with over 275 financial services and over 150 telecom customers

• Hosted the company’s first annual worldwide users’ conference – with over 300 customer and partner attendees from 16 countries

• Industry recognition including:

– Winner “Best Integrated Security Solution” for 2nd straight year, SC Magazine

– Finalist “Best CEO” – San Francisco Business Times

– “2010 Editor’s Best Award” by Windows IT Pro® Magazine

• Expanded Splunk Support operations into EMEA and Asia

• Established a Solutions group to build Apps that extend the value of core Splunk

• Launched Splunkbase and Splunk Answers sites to support the Splunk Community

• Named one of the “Best Places to Work” by the San Francisco Business Times for a third year in a row

• Awarded Certificate of Networthiness (CoN) from the US Army

•48 customers in the Fortune 100

The company also announced record results for the fourth quarter, with over 300 new customers worldwide, including:

• Americas: Staples, Amway, BondDesk and Health First

• Europe: Accor in France, AXA Germany, A1 Telekom in Austria and UniCredit Bank in Italy

• Asia-Pacific: the Institute for Information Industry in Taiwan, China Telecom, and Infratil Energy in Australia

• Federal sector: the U.S. Army Special Operations Command, the U.S. Veterans Administration, the FDIC and key U.S. DoD agencies

• Splunk also reported expansions by existing customers, including MetroPCS, SwissPost, LinkedIn and the U.S. Department of Health and Human Services

Additional Q4 Highlights:

• Five new Fortune 100 customers

• Opened a development office in Taiwan

• Hosted 13 SplunkLive events in four countries, with more than 1,000 attendees

• Expanded OEM agreement with Cisco -integrating Splunk within its line of Web and Email security appliance products

The Splunk board of directors approved a fiscal year-end change to January 31st from December 31st. With this change, the Splunk 2012 fiscal year will begin February 1, 2011, and end January 31, 2012.