On August 7, 2017, Limelight Networks, Inc. (the “Company”) posted an investor presentationon the Company’s website, http://investors.limelightnetworks.com/. In this presentation, the Company has included long-term financial targets.Members of management will use thepresentationin meetings with institutional investors and analysts and atinvestorconference presentations. The Company periodically posts management presentations on the website.

The information disclosed under this Item 7.01 shall not be deemed "filed" for any purpose, including for the purposes of Section 18 of the United States Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section. The information in this Item 7.01 shall not be deemed incorporated by reference into any filing under the Exchange Act or the United States Securities Act of 1933, as amended, regardless of any general incorporation language in such filing.

Forward-LookingStatement Disclaimer

The Company includes in this Current Report "forward-lookingstatements" within the meaning of the federal securities laws. A reader can identifyforward-lookingstatements because they are not limited to historical fact.Forward-lookingstatements are subject to risks, uncertainties and other factors that may change at any time and may cause actual results to differ materially from those that the Company expected. Many of these statements are derived from the Company's operating budgets and forecasts, which are based on many detailed assumptions that the Company believes are reasonable, or are based on various assumptions about certain plans, activities or events which the Company expects will or may occur in the future. However, it is very difficult to predict the effect of known factors, and the Company cannot anticipate all factors that could affect actual results that may be important to an investor. Allforward-lookinginformation should be evaluated in the context of these risks, uncertainties and other factors, including those factors disclosed in this Current Report and those factors disclosed under "Risk Factors" in the Company's Annual Report on Form 10-K filed with the Securities and Exchange Commission (the "SEC") on February 17, 2017 and in the Company's Quarterly Report on Form 10-Q filed with the SEC on April 25, 2017. The Company undertakes no obligation to revise or publicly release the results of any revision to theseforward-lookingstatements, except as required by law. Given these risks and uncertainties, readers are cautioned not to place undue reliance on suchforward-lookingstatements.

About LIMELIGHT NETWORKS, INC. (NASDAQ:LLNW)

Limelight Networks, Inc. provides content delivery network services to deliver content over Internet. The Company operates a globally distributed, computing platform and provides services under the Orchestrate Platform, which include content delivery, video content management, Website and Web application acceleration, Website and content security and cloud storage services. The Company’s services include content delivery services, mobile delivery services, video content management services, performance services, cloud-based storage services and cloud-based content security services. It provides solutions to deliver digital content to its customers, such as software and device manufacturers, media and broadcasters, and gaming. It provides services to deliver digital content to Web, mobile, social, gaming, large screen and other digital channels. Its services offer various features, which include video publishing, mobile enablement, content delivery, Website and cloud storage.