Summit Partners Invests in NetWitness

PRESS RELEASE

HERNDON, VA and BOSTON, MA " January 13, 2010 " NetWitness Corporation, the world leader in advanced threat intelligence and real-time network forensics, announced today that it has received an investment from growth equity investor Summit Partners. The investment will be used to fund additional technology acquisitions and other strategic initiatives related to the company's industry-leading network security technology.

The announcement comes one week after NetWitness released its 2009 financial results, which included a doubling of revenue over the prior year, its sixth straight quarter of profitability, and explosive growth across all corporate performance measures. Said Nick Lantuh, President of NetWitness Corporation, "Raising capital from Summit is a strategic move for NetWitness that will help us to acquire and develop additional innovative technologies and widen our competitive edge in defining the next generation of network security."

NetWitness provides an alternative to legacy network monitoring tools that cannot address the current threat environment. Based upon a patented approach to pervasive network capture and groundbreaking analytics, NetWitness provides an extensible, enterprise platform for advanced threat management.

"At Summit Partners, we've been investing for 25 years in profitable and innovative technology companies. We've had the privilege of working with a number of category-defining companies in the security industry, and are delighted to have the opportunity to partner with NetWitness. There is a global demand across both government and commercial organizations for solutions that can address the complex problem of advanced threat detection and real-time network intelligence. NetWitness is the clear market leader in this critical technology category," said Harrison Miller, Managing Director with Summit Partners who will join the NetWitness Corporation Board of Directors.

"NetWitness has achieved outstanding performance, possesses an exceptional management team, and has grown an impressive customer base," he added. "We look forward to working with NetWitness as they achieve even greater success."

About NetWitness Corporation

NetWitness' Corporation is the world leader in real-time network forensics and automated threat intelligence solutions, helping government and commercial organizations detect, prioritize and remediate complex IT risks. NetWitness solutions concurrently solve a wide variety of information security problems including: advanced persistent threat management; sensitive data discovery and advanced data leakage detection; malware activity discovery; insider threat management; policy and controls verification and e-discovery. Originally developed for the US Intelligence Community, NetWitness has evolved to provide enterprises around the world with breakthrough methods of network content analysis and host-based risk discovery and prioritization. NetWitness customers include Defense, National Law Enforcement and Intelligence Agencies, Top US and European Banks, Critical Infrastructure, and Global 1000 organizations. NetWitness has offices in the U.S. and the U.K. and partners throughout North and South America, Europe, the Middle East, and Asia.

To download the freeware version of NetWitness Investigator, visit http://download.netwitness.com. For more information about securing your entire organization with NetWitness NextGen, contact: [email protected]. Twitter handle: NetWitness

About Summit Partners

Summit Partners (www.summitpartners.com) is a growth equity investor that provides private equity and venture capital to rapidly growing companies. Founded in 1984, Summit has raised more than $11 billion in capital and has provided growth equity, recapitalization and management buyout financing to more than 300 growing companies across a range of industries and geographies. Summit Partners seeks outstanding management teams that have built their companies to profitability and market leadership. Notable investments in the security market include McAfee, Postini (acquired by Google), SafeBoot (acquired by McAfee), and Sybari Software (acquired by Microsoft).

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Media Contacts:

Merritt Group for NetWitness Corporation

Tom Rice

703-856-2218

[email protected]

Summit Partners

Joan Miller

617-824-1047

[email protected]