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F5 Networks Experiences Six Consecutive Quarters of Growth in Server Load Balancing Switch Market

Current Dell'Oro Group report reveals that F5 is the only vendor consistently gaining market share in Layer 4-7 fixed switch market

F5 Networks, Inc. (NASDAQ: FFIV), the leading provider of secure Application Traffic Management products, today announced that it has carried out six consecutive quarters of market share growth in the Layer 4-7 (L4-7) Fixed Server Load Balancing (SLB)1 switch market, as reported in a recent Dell'Oro Group report2. F5 is the only vendor in the fixed SLB market that is steadily gaining market share quarter-over-quarter.

"We're proud of our steady growth in market share, particularly during this rough economic period," said Dan Matte, Vice President of Product Management and Marketing at F5 Networks. "F5's continued growth is an indicator that enterprise customers are not willing to compromise on product capabilities, quality or service as they build their infrastructure and roll out their applications. I'm confident that our products' superior capabilities that offer unique support for these complex applications will continue to fuel our market share growth."

According to the Dell'Oro Group report, F5 holds the No. 2 position in the fixed L4-7 SLB market, with 26.4 percent of the market. F5 has continually demonstrated growth in this market ever since the company introduced a product in this category.

1 Layer 4-7 Fixed Server Load Balancing (SLB) definition: Switches specially designed to switch network or Internet traffic optimally between a group of servers and must load balance traffic based on L4/L7 information (e.g. TCP port, URL, Cookie). Load balancing functionality must be native to the switch.

2 Source: Dell'Oro Q2 2003 Market Share Report (Layer 4-7) Ethernet Switch Report, August 13, 2003.

About F5 Networks

F5 Networks is the industry leader in Application Traffic Management, enabling enterprises and service providers to optimize any mission-critical application or web service, providing secure and predictable delivery of application traffic in an unpredictable environment. Through F5's unique open iControl™ API, third party applications and network devices can take an active role in shaping network traffic, delivering application aware networks that allow customers to direct traffic based on their exact business requirements. Our solutions optimize the availability, security and speed of mission-critical servers and applications, including enterprise applications, web services, mobile IP applications, web publishing, content delivery, e-commerce, caching, firewalls and more. F5's solutions are widely deployed in large enterprises, the top service providers, financial institutions, government agencies, healthcare, and portals throughout the world. The company is headquartered in Seattle, Washington, and has offices throughout North America, Europe, Japan and Asia Pacific. F5 Networks is located on the web at

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