AIRVANA Files Registration Statement for Initial Public Offering

CHELMSFORD, Mass. — April 19, 2007 — Airvana, Inc. announced today that it has filed a registration statement with the Securities and Exchange Commission relating to the proposed initial public offering of its common stock. All shares in the offering will be sold by Airvana.

The sole book-running lead manager of the proposed offering will be Morgan Stanley & Co. Incorporated.  Lehman Brothers Inc. will serve as joint-lead manager, and Deutsche Bank Securities Inc. and UBS Investment Bank will serve as co-managers.

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 the registration statement becomes effective.  This press release shall 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 an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

Once available, a preliminary prospectus relating to these securities may be obtained by emailing prospectus@morganstanley.com, or by contacting the prospectus department at Morgan Stanley & Co. Incorporated, 1585 Broadway, New York, NY, 10036 (212-761-6775).

About Airvana  
Airvana is a leading provider of network infrastructure products used by wireless carriers to provide mobile broadband services.

Airvana Contact
Ty Sheppard, Bock Communications, Inc.
tsheppard@bockpr.com
(617) 412-5175