Splunk Achieves Year-Over-Year Second Quarter Growth of 76 Percent

Company Adds 220 New Customers; Releases New Solution - Splunk for WebSphere

SAN FRANCISCO - July 8, 2010 - Splunk today announced quarterly results for the period ending June 30, 2010. For the second quarter of 2010, Splunk experienced year-over-year bookings growth of 76 percent and added 220 new customers, including 83 outside North America. This brings the company's total count to more than 1,850 customers located in 70 countries. The company also reported significant expansions by existing customers, including the US Army, Macy's, Motricity, and the University of Kansas.

"Splunk 4.1 is driving new levels of operational visibility including business transaction tracing, complex pattern analysis for fraud and real-time web analytics," said Godfrey Sullivan, president and CEO of Splunk. "Our customers are expanding their use of Splunk beyond search and troubleshooting to enterprise-wide deployments that cross application management, IT operations management, security and compliance."

In the Americas, Splunk added 137 new customers including Autobytel, The City of Phoenix, The Alberta Motor Association, and Skechers. In EMEA, Splunk added The Schweizerische Post, Societa Dolce, Coopservice, Genissys, and SBAB. In the federal market, Splunk added 20 new customers, including the Defense Information Systems Agency (DISA) and The Department of Health and Human Services (HHS). In Asia-Pacific, key wins included Fairfax Digital, Gen-I New Zealand, the National Policy Agency of Taiwan, Unisuper, and Realestate.com.au of Australia.

Splunk also announced the formation of a Solutions Development team headed by Christina Noren, SVP of solutions and product management, to develop suites and apps designed to extend the value of the real-time Splunk engine. The Solutions Development team will focus on four solution areas: application management, IT infrastructure and operations, security, and compliance. The Solutions Development team launched its first app in Q2, Splunk for WebSphere®.

Key Q2 Accomplishments:

• Announced general availability of Splunk 4.1, which achieved a record number of downloads (more than 35,000)
• Delivered the Splunk for WebSphere App, providing Splunk users a turn-key experience that enables them to quickly gain visibility into WebSphere logs, configurations and performance metrics
• Introduced the Splunk for Cisco Security Solution, including Apps designed to provide additional insights from data generated by Cisco security products
• Announced participation in the Cisco Developer Program and successful interoperability testing by Cisco of the Splunk for Cisco Security Solution
• Hosted 13 SplunkLive Events in eight countries, with more than 1,100 attendees
• Named winner - "Best Places to Work," San Francisco Business Times, for the third straight year
• Named finalist - "Best CEO," San Francisco Business Times - Tech Innovation Awards
• Named winner - SC Magazine Awards, EMEA, Best Integrated Security Solution, for the second consecutive year
• Added 31 new government agencies worldwide, received US Army Certificate of Networthiness (CoN) and submitted Splunk for US Common Criteria (CC) certification
• Splunk is used at more than 125 educational institutions worldwide, new customers in Q2 included the University of Connecticut, Penn State University, the University of California - San Diego and Vanderbilt University

_{IBM® and WebSphere® are registered trademarks of the International Business Machines Corporation (IBM) all rights reserved.}

About Splunk

Splunk^® Inc. provides the engine for machine data™. Splunk software collects, indexes and harnesses the massive machine data continuously generated by the websites, applications, servers, networks and mobile devices that power business. Splunk software enables organizations to monitor, search, analyze, visualize and act on massive streams of real-time and historical machine data. More than 3,300 enterprises, universities, government agencies and service providers in more than 75 countries use Splunk Enterprise to gain operational intelligence that deepens business understanding, improves service and uptime, reduces cost and mitigates cybersecurity risk. To learn more, please visit www.splunk.com/company.

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Splunk is a registered trademark of Splunk Inc. in the Unites States and other jurisdictions. All other marks and names mentioned herein may be trademarks of their respective owners.