Mercury Interactive Named 13th on Fortune Magazine's 100 Fastest-Growing Companies.

The World's Leading Provider of Web Performance Management Solutions

Recognized for Outstanding Growth and Profitability

SUNNYVALE, Calif., Aug. 15 /PRNewswire/ --

Mercury Interactive Corporation (Nasdaq: MERQ), the world's leading provider of Web performance management solutions, has been named one of Fortune Magazine's 100 Fastest-Growing Companies for 2000. Fortune develops the list based on companies that have both sales and EPS growth of at least 30% each year over three years, and factors in the companies' stock market returns since 1996. The magazine placed Mercury Interactive number 13 on this prestigious list.

"We are delighted to receive this recognition from one of the most influential business publications," said Amnon Landan, chairman, CEO and president of Mercury Interactive. "As Fortune 500 companies accelerate the adoption of the Internet as a primary medium of business, they find that performance, reliability, and availability of their e-commerce sites is critical to their success, driving the demand of Mercury Interactive's web performance management products and services.

Mercury Interactive

Mercury Interactive is the leading provider of Web performance management solutions that help e-businesses deliver a positive user experience. Mercury Interactive solutions turn Web application performance, scalability and user experience into competitive advantage. The company's performance management products and hosted services are open and integrated to best test and monitor business-critical Web applications.

More than 10,000 business-to-business and business-to-consumer e-businesses, Internet Service Providers, Applications Service Providers, systems integrators, and consultants use Mercury Interactive solutions.

Mercury Interactive is headquartered in Sunnyvale, California and has 40 offices worldwide. The company can be reached at www.mercuryinteractive.com or by phone at U.S. 408-822-5200.