Infoblox Files Registration Statement for Initial Public Offering

Infoblox Inc. today announced that it has filed a registration statement on Form S-1 with the Securities and Exchange Commission for a proposed initial public offering of its common stock. The number of shares to be offered and the price range for the offering have not yet been determined.

Morgan Stanley & Co. LLC and Goldman, Sachs & Co. will act as lead joint book-running managers for the offering, and UBS Securities LLC will act as a joint book-running manager for the offering. Pacific Crest Securities LLC, JMP Securities LLC and Morgan Keegan & Company, Inc. will serve as co-managers for the offering.

A registration statement relating to these securities has been filed with the Securities and Exchange Commission but has not yet become effective. These securities may not be sold, nor may offers to buy be accepted, prior to the time that the registration statement becomes effective. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

The offering will be made only by means of a prospectus. A copy of the final prospectus related to the offering, when available, may be obtained from Morgan Stanley & Co. LLC, via telephone: (866) 718-1649, email: prospectus@morganstanley.com, or standard mail at Morgan Stanley & Co. LLC, 180 Varick Street, New York, NY 10014, Attn: Prospectus Department; or from Goldman, Sachs & Co., via telephone: (866) 471-2526, email: prospectus-ny@ny.email.gs.com, or standard mail at Goldman, Sachs & Co, 200 West Street, New York, NY 10282, Attn: Prospectus Department.