EIGI Endurance International Group Holdings Inc

Endurance International Group Holdings, Inc. (Nasdaq:EIGI), a leading provider of cloud-based platform solutions designed to help small and medium-sized businesses succeed online, today announced the completion of the previously announced sale of shares of its common stock by existing stockholders. In the offering, certain existing stockholders identified in the prospectus supplement relating to the offering sold 13,800,000 shares of common stock, including 1,800,000 shares sold upon the exercise in full of the underwriter's option to purchase additional shares from the selling stockholders. Endurance will not receive any proceeds from the sale of shares of common stock by the selling stockholders.

Credit Suisse Securities (USA) LLC acted as the sole underwriter for the offering.

The securities described above were offered pursuant to an automatic shelf registration statement (including a prospectus) relating to the common stock of Endurance International Group Holdings, Inc. filed with the Securities and Exchange Commission ("SEC") on March 6, 2015 and that became effective upon filing. A preliminary prospectus and final prospectus relating to this offering have been filed with the SEC. You may obtain these documents for free by visiting EDGAR on the SEC website at www.sec.gov. Alternatively, the prospectus and prospectus supplement may be obtained from Credit Suisse Securities (USA) LLC, Attn: Prospectus Department, One Madison Avenue, New York, NY 10010, telephone: (800) 221-1037, email: newyork.prospectus@credit-suisse.com.

This announcement does not constitute an offer to sell, or a solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

CONTACT: Investor Contact:
         Angela White
         Endurance International Group
         (781) 852-3450
         ir@endurance.com
         
         Press Contact:
         Dani LaSalvia
         Endurance International Group
         (781) 852-3212
         press@endurance.com