It is expected that the net effect of this transaction, as reported under US GAAP, will not have a material impact to adjusted OIBDA or annual operating income in 2012 for T-Mobile USA. DT reports results under IFRS. The transaction is expected to result in a material gain impacting Net Income and EBITDA under IFRS for 2012.A fact sheet outlining Crown Castle's tower portfolio, is available on the Crown Castle website at http://investor.crowncastle.com . Crown Castle has scheduled a conference call for Friday, September 28, 2012 at 10:30 a.m. Eastern Time to discuss the transaction. The conference call may be accessed by dialing 480-629-9645 and asking for the Crown Castle call at least 30 minutes prior to the start time. The conference call may also be accessed live over the Internet at http://investor.crowncastle.com . Any supplemental materials for the call will be posted on the Crown Castle website at http://investor.crowncastle.com . A telephonic replay of the conference call will be available from 12:30 p.m. Eastern Time on September 28, 2012 through 11:59 p.m. Eastern Time on October 5, 2012, and may be accessed by dialing 303-590-3030 using access code 4567732. An audio archive will also be available on the company's website at http://investor.crowncastle.com shortly after the call and will be accessible for approximately 90 days. T-Mobile is being advised by TAP Advisors and Deutsche Bank Securities Inc. as financial advisors, as well as Jones Day and Lape Mansfield & Nakasian, LLC as legal advisors. Crown Castle is being advised by Cravath, Swaine & Moore LLP as legal advisor. About Crown Castle Crown 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 . The Crown Castle International Corp. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=3063 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.