The conference call and accompanying slide presentation will be webcastlive on the Internet and can be accessed on the Investor Relations section ofAirvana`s website (). The conference call can also be accessed bydialing (877) 407-5790 or (201) 689-8328. A replay of the webcast will bearchived on Airvana`s website. Non-GAAP Financial MeasuresTo supplement Airvana`s condensed consolidated financial statements presented ona GAAP basis, Airvana uses non-GAAP Billings measures of operating results,gross profit on Billings and operating profit on Billings, which include changesin deferred revenue and deferred costs in a period.

These non-GAAP financialmeasures are presented with the intent of providing both management andinvestors with a more complete understanding of Airvana`s underlying operatingperformance and trends. Airvana believes that these non-GAAP financial measuresenhance the overall understanding of its past financial performance and also itsprospects for the future. These non-GAAP measures provide an indication ofAirvana`s financial results based upon sales activity in the period and areconsidered by management for the purpose of making operational decisions. Inaddition, these non-GAAP measures are the primary indicators that managementuses as a basis for Airvana`s planning and forecasting of future periods. Management uses the following non-GAAP measures (detailed in Exhibits 1 and 3)as a supplement to GAAP revenue and cash flow from operations in evaluatingAirvana`s performance:* Product and Service Billings (“Billings”) reflects the amount invoiced forproducts and services in a period and equals GAAP revenue plus the change indeferred revenue in the period. * Costs Related to Billings reflects the cost directly attributable to Billingsin a period and equals GAAP cost of revenue plus the change in deferred cost inthe period. * Gross Profit on Billings reflects Billings less costs related to Billings inthe period.

* Operating Profit on Billings reflects Gross Profit on Billings less GAAPoperating expenses in the period.Management believes investors may find these measures useful for understandingAirvana`s operations, but cautions that they should not be considered asubstitute for disclosure in accordance with GAAP. Exhibits 1, 2, 3 and 4reconcile all non-GAAP metrics to the corresponding financial statement items asdetermined in accordance with GAAP for all periods presented. About Airvana, Inc.Airvana helps operators transform the mobile experience for users worldwide. Thecompany’s high-performance technology and products, from comprehensive femtocellsolutions to core mobile network infrastructure, enable operators to delivercompelling and consistent broadband services to mobile subscribers, whereverthey are.

Airvana’s products are deployed in over 70 commercial networks on sixcontinents. Airvana is headquartered in Chelmsford, Mass., USA, with officesworldwide. For more information, please visit Safe Harbor StatementAny statements in this press release about future expectations, plans andprospects for Airvana, including without limitation, expectations related to itsdevelopment of femtocell alliances, its shipments during future periods, itsinvoiced amounts, Billings and revenue for future periods, its relationship withNortel, its ability to collect receivables and invoiced amounts from Nortel andthe Nortel bankruptcy filing constitute forward-looking statements within themeaning of the Private Securities Litigation Reform Act of 1995. Thesestatements typically contain the words “believes,” “anticipates,” “plans,”"expects,” “will,” “continue” and similar expressions.