CINGULAR WIRELESS Exhibit 12 EXHIBITS Cingular Wirless LLC Computation of Ratio of Earnings to Fixed Charges (Unaudited) (Dollars in Millions)

Year Ended Period from December 31, April 24, 2000 - --------------------------- December 31, 2000 2001 2002 ----------------- ---------- ---------- FIXED CHARGES Interest expense $ 231 $ 822 $ 911 Interest capitalized during the period 2 16 27 Amortization of debt issuance expenses -- -- -- Portion of rental expense representative of interest 27 135 152 -------- ---------- ---------- Total Fixed Charges 260 973 1,090 EARNINGS Income (loss) from continuing operations before income taxes 128 1,700 1,251 Add (deduct) the following: Amortization of capitalized interest -- -- -- -------- ---------- ---------- Subtotal 128 1,700 1,251 Fixed charges per above 260 973 1,090 Less interest capitalized during the period (2) (16) (27) -------- ---------- ---------- Total earnings $ 386 $ 2,657 $ 2,314 ======== ========== ========== Ratio of earnings to fixed charges 1.49 2.73 2.12 ======== ========== ==========