TEMPE, AZ -- (MARKET WIRE) -- 10/05/09 -- Limelight Networks, Inc. (NASDAQ: LLNW) today introduced LimelightDELIVER(TM) XD and LimelightCONTROL XD(TM) -- advanced services that take advantage of patent-pending Adaptive Intelligence in the recently introduced XD platform. These new service innovations provide Limelight Networks customers with unprecedented levels of control and performance from their content delivery service.

"With today's introduction, Limelight Networks has brought true innovation to the core of the CDN market. LimelightDELIVER XD and LimelightCONTROL XD harness the power of our global network platform to make real-time decisions about delivery based on the unique characteristics of each request. Through these new services, Limelight can enable content publishers to meet the growing need for high-performance global delivery and for actionable information to tune an online business," said David Hatfield, senior vice president, Limelight Networks, Inc.

LimelightDELIVER XD

LimelightDELIVER XD is a next-generation, high-performance delivery service that leverages the Adaptive Intelligence technologies that are part of the new XD Platform. Adaptive Intelligence enables the LimelightDELIVER XD service to provide the best possible user experience under any circumstance, by surveying last mile conditions on a request-by-request basis and then tuning origin, cache, and delivery subsystems on-the-spot. This end-to-end customized approach differs from other delivery services that focus only on identifying the server best positioned to deliver content.

"In our initial tests of LimelightDELIVER XD, we saw high-performance, consistent delivery across a variety of content types and geographies. We're excited about the positive impact this will have on page loads, site responsiveness, our customers' buying experience, and the overall benefits that it will bring to our online business," said Carter Lee, vice president, technology operations, Overstock.com, Inc.

LimelightDELIVER XD offers shorter start-to-finish delivery times, provides massive scalability to handle peak loads and flash crowds, and provides more consistent performance regardless of geography, user network capacity or Internet conditions. This means customers will be able to increase conversion rates, lengthen viewing or gaming times and provide higher-quality end-user experiences for video, music, games, social media, software, and entire websites.

LimelightCONTROL

LimelightCONTROL is a new, advanced management and reporting suite that enables customers to exercise more control over their content delivery service. This new service suite replaces the former LimelightEXCHANGE portal and includes an upgraded user interface, enhanced reporting that includes real-time data on Internet conditions, granular control over storage utilization, and more.

The flagship service, LimelightCONTROL XD, offers advanced management applications that help to increase efficiency, reduce expenses, improve the user experience, and provide deep insight into performance of an online business. The service includes customer provisioning of services, custom control over CDN storage options, and the innovative Internet Health Monitor which provides customers with insight into potential sources of end user experience issues, collected in real-time by millions of globally distributed user agents that are part of the XD Platform.

LimelightCONTROL XD is part of a family of services that includes LimelightCONTROL and LimelightCONTROL X. For a comparison of features, visit: http://www.limelightnetworks.com/infrastructure-services-content-delivery/cdn-reporting/. All customers currently using the LimelightEXCHANGE portal will be transitioned to the new LimelightCONTROL service.

The introduction of LimelightDELIVER XD and LimelightCONTROL XD services coincides with the introduction of the next generation of the company's global network platform -- XD, also announced today. The launch of the new platform services represents more than two years of research and development by the company's engineering team, and thousands of hours of internal and field testing with customers.

For more information on LimelightDELIVER XD, visit: http://www.limelightnetworks.com/infrastructure-services-content-delivery/software-video-delivery/

For more information on LimelightCONTROL XD, visit: http://www.limelightnetworks.com/infrastructure-services-content-delivery/cdn-reporting/

Safe-Harbor Statement

This press release contains forward-looking statements concerning the company's operations and use of acquired and newly developed technology and intellectual property. Forward-looking statements are not guarantees and are subject to a number of risks and uncertainties that could cause actual results to differ materially including, risks associated with the integration of acquired business operations and other risks described in the company's quarter report on Form 10Q and other periodic reports filed with the Securities and Exchange Commission. The Company assumes no duty or obligation to update or revise any forward-looking statements for any reason

About Limelight Networks, Inc.

Limelight Networks, Inc. (NASDAQ: LLNW) is trusted by the world's most innovative enterprise, entertainment, technology, and software brands to improve the performance and profitability of web sites and end-user experiences. Our scalable, on-demand managed infrastructure solutions provide global reach and consistently high availability, by routing traffic over a private fiber-optic backbone rather than through the often-congested, unpredictable public Internet. For more information, visit our web site (http://www.limelightnetworks.com), read our blog (http://blog.llnw.com), or follow @llnw on Twitter.

Copyright © 2009 Limelight Networks, Inc. All rights reserved. All product or service names are the property of their respective owners

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