San Francisco, Calif. – March 10, 2011 – Imperva, the leader in data security, has been named in The Wall Street Journal’s The Next Big Thing list which seeks to identify and rank the top 50 venture-backed companies across all industries that have the capital, executive experience and investor know-how to succeed. Imperva, ranked in the top 10, was selected from a pool of more than 5,000 companies and ranked based on proprietary data from Dow Jones VentureSource and input from Dow Jones VentureWire’s reporters and editors.

“Venture capitalists are always looking for companies with a new idea that will prove powerful enough to explode into the marketplace,” said Alan Murray, deputy managing editor of The Wall Street Journal. “The Next Big Thing highlights companies that we believe are worth watching and have a chance to make waves in their industry.”

The Next Big Thing is an annual ranking published by The Wall Street Journal. To be eligible for the ranking, a company must be based in the U.S., have raised an equity round of financing in the three years ended Nov. 30, 2010 and have a valuation of $1 billion or less. The ranking was calculated by applying a set of four financial criteria: the track records of success for both a company's founders and management; track records for the investors on its board; the amount of capital raised in the last three years; and the percentage change in a company's valuation in the last year. Dow Jones VentureWire reporters and editors also provided their perspective and expertise beyond the numbers.

“Imperva was founded on a unique understanding of the threat to corporate and customer data,” said Imperva CEO and cofounder, Shlomo Kramer. “We have a strong history of innovation in data security and the company has experienced rapid growth, marking another record year in 2010. The company is poised for continued success in 2011.”

To view The Next Big Thing ranking, visit: http://online.wsj.com/article/SB10001424052748703300904576178673309577828.html.

About Imperva

Imperva is the global leader in data security. With more than 1,300 direct customers and 25,000 cloud customers, Imperva's customers include leading enterprises, government organizations, and managed service providers who rely on Imperva to prevent sensitive data theft from hackers and insiders. The award-winning Imperva SecureSphere is the only solution that delivers full activity monitoring for databases, applications and file systems. For more information, visit www.imperva.com, follow us on Twitter or visit our blog.

About Dow Jones

Dow Jones & Company is a global provider of news and business information and a developer of technology to deliver content to consumers and organizations across multiple platforms. Dow Jones produces newspapers, newswires, Web sites, apps, newsletters, magazines, proprietary databases, conferences, radio and video.  Its premier brands include The Wall Street Journal, Dow Jones Newswires, Factiva, Barron’s, MarketWatch, SmartMoney and All Things D. Its information services combine technology with news and data to support business decision making. The company pioneered the first successful paid online news site and its industry leading innovation enables it to serve customers wherever they may be, via the Web, mobile devices and tablets. The Dow Jones Local Media Group publishes community newspapers, Web sites and other products in six U.S. states. Dow Jones & Company (www.dowjones.com) is a News Corporation company (NASDAQ: NWS, NWSA; ASX: NWS, NWSLV; www.newscorp.com).

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