Limelight Networks® Provides PBS With Content Delivery Platform for Member Stations

TEMPE, AZ–(Marketwire - March 26, 2009) - Limelight Networks, Inc. (Nasdaq: LLNW)today announced that PBS will use the Company’s scalable, network-based delivery infrastructure to help provide local PBS viewers with a rich media experience that will offer access to live streaming and on-demand content produced nationally as well as locally.

“This relationship with Limelight Networks will help PBS and our member stations offer extensive video programming online,” said Jason Seiken, senior vice president of PBS Interactive.

PBS is comprised of 356 member stations, reaching more than 115 million people on-air and online. This relationship between Limelight Networks and PBS will help ensure local stations, even those with limited resources, have the opportunity to more widely distribute their original content online, bringing more value to their users than ever before. It will also help provide viewers with access to national content directly from the website of their local PBS station. Stations already using the new platform include KPSD South Dakota, WNET New York, and WQED Pittsburgh.

“As audiences continue to use the Internet as a means to enjoy video on-demand, it is important that television networks prepare their sites accordingly to meet that demand for content,” said David Hatfield, senior vice president, Limelight Networks, Inc. “We’re excited to be working with PBS on a national and local level to provide on-demand resources that can quickly scale to accommodate broadcast-quantity audiences, while providing the best viewing experience possible.”