Limelight Networks Response to Litigation With Level 3 Communications Inc.

TEMPE, Ariz., Dec. 31 – Limelight Networks (Nasdaq: LLNW), the leading content delivery network (CDN) for digital media, today announced that Level 3 Communications Inc. has filed a lawsuit against Limelight Networks in which it is alleged that Limelight Networks infringes certain of Level 3′s patents. Limelight Networks is aware of the allegations made against it, believes that these allegations are without merit, and intends to defend itself vigorously. Limelight Networks confirms that it respects the intellectual property rights of others and does not knowingly make use of any third party intellectual property without consent or authorization.

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