Limelight Networks Found Not to Infringe on Level 3 Patents

TEMPE, Ariz., 23 January 2009 – Limelight Networks, Inc. (Nasdaq: LLNW) today announced that the jury found in favor of the Company in the case Level 3 Communications, LLC. v. Limelight Networks, Inc (United States District Court for the Eastern District of Virginia, Civil Action No. 2:07cv589).

The jury found that Limelight does not infringe any asserted claims of the patents at issue.

“We are pleased with the jury verdict in this matter, which is a positive development for our shareholders, employees, customers, and partners. This decision affirms that Limelight Networks respects the intellectual property of others, and that our ability to fairly compete in the marketplace is due to our own hard work and innovation,” stated Jeff Lunsford, chairman and chief executive officer, Limelight Networks, Inc.

Safe-Harbor Statement

This press release contains forward-looking statements concerning the company's operations and use of acquired 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) provides on-demand software, platform and infrastructure services that help global businesses reach and engage audiences on any mobile or Internet-connected device, enabling them to enhance their brand presence, build stronger customer relationships, optimize their advertising, and monetize their digital assets. For more information, please visit http://www.limelightnetworks.com or follow us on Twitter at http://www.twitter.com/llnw/.

Media Contact:

Paul Alfieri of Limelight Networks, Inc.
+1-917-297-4241
palfieri@llnw.com