About Crown CastleCrown Castle owns, operates, and leases towers and other infrastructure for wireless communications. Crown Castle offers significant wireless communications coverage to 92 of the top 100 US markets and to substantially all of the Australian population. Pro forma for our announced transaction with T-Mobile, Crown Castle owns, operates and manages approximately 30,000, and 1,600 wireless communication sites in the US and Australia, respectively. For more information on Crown Castle, please visit www.crowncastle.com. This press release includes forward-looking estimates of AFFO, which is a non-GAAP financial measure. Information with respect to AFFO is presented as additional information because Crown Castle’s management believes the measure is a useful indicator of the financial performance of our core business. Crown Castle defines AFFO as funds from operations (“FFO”) before straight-line revenue, straight-line expense, stock-based compensation expense, non-real estate related depreciation, amortization and accretion, amortization of deferred financing costs, debt discounts and interest rate swaps, other (income) and expense, gain (loss) on retirement of long-term obligations, net gain (loss) on interest rate swaps, acquisition and integration costs, and asset-write down charges, less capital improvement capital expenditures and corporate capital expenditures. Crown Castle defines FFO as net income plus adjusted tax provision plus real estate depreciation, amortization and accretion. About T-Mobile Based in Bellevue, Wash., T-Mobile USA, Inc. is the US wireless operation of Deutsche Telekom AG (OTCQX: DTEGY). By the end of the second quarter of 2012, approximately 130 million mobile customers were served by the mobile communication segments of the Deutsche Telekom group — 33.2 million by T-Mobile USA — all via a common technology platform based on GSM and UMTS and additionally HSPA+ 21/HSPA+ 42. T-Mobile USA’s innovative wireless products and services help empower people to connect to those who matter most. Multiple independent research studies continue to rank T-Mobile USA among the highest in numerous regions throughout the U.S. in wireless customer care and call quality.