Limelight Networks, Inc. Announces Pricing of Initial Public Offering of Common Stock

TEMPE, AZ – June 7, 2007 – Limelight Networks, Inc. announced that its initial public offering of 16,000,000 shares of common stock has been priced at $15.00 per share. Shares of Limelight Networks’ common stock will begin trading on June 8, 2007 on the Nasdaq Global Market under the symbol LLNW.

Of the shares being offered, 12,500,000 are being offered by Limelight Networks, and 3,500,000 are being offered by selling stockholders. Limelight Networks will not receive any of the proceeds from the sale of the shares being sold by the selling stockholders. Net proceeds to the company are expected to be approximately $170 million.

The company has granted to the underwriters an option to purchase up to an additional 2,400,000 shares from Limelight Networks at the initial public offering price. Goldman, Sachs & Co. acted as the sole book-running manager for the offering, Morgan Stanley acted as joint lead manager and qualified independent underwriter, and Jefferies & Company, Piper Jaffray, and Friedman, Billings, Ramsey & Co., Inc. acted as co-managers.

The offering of the common stock may be made only by means of a prospectus, copies of which may be obtained from the prospectus department of Goldman, Sachs & Co., Attn: Prospectus Department, 85 Broad Street, New York, New York 10004, via fax at 212-902-9316, or via e-mail at prospectus-ny@ny.email.gs.com; or from the prospectus department of Morgan Stanley & Co. Incorporated, 180 Varick Street, New York, NY 10014, via telephone at 1-866-718-1649, or via email at prospectus@morganstanley.com.