Exhibit 12 TELEPHONE AND DATA SYSTEMS, INC. RATIOS OF EARNINGS TO FIXED CHARGES For the Three Months March 31, 1998 (Dollars In Thousands) EARNINGS: Income from Continuing Operations before income taxes $ 160,124 Add (Deduct): Minority Share of Losses (15,319) Earnings on Equity Method (13,930) Distributions from Minority Subsidiaries 4,554 Amortization of Capitalized Interest 526 Minority interest in majority-owned subsidiaries that have fixed charges 24,828 ------------ 160,783 Add fixed charges: Consolidated interest expense 36,509 Interest Portion (1/3) of Consolidated Rent Expense 3,620 ------------ $ 200,912 ============ FIXED CHARGES: Consolidated interest expense $ 36,509 Capitalized interest 132 Interest Portion (1/3) of Consolidated Rent Expense 3,620 ------------ $ 40,261 ============ RATIO OF EARNINGS TO FIXED CHARGES 4.99 ============ Tax-Effected Redeemable Preferred Dividends $ 48 Fixed Charges 40,261 ------------ Fixed Charges and Redeemable Preferred Dividends $ 40,309 ============ RATIO OF EARNINGS TO FIXED CHARGES AND REDEEMABLE PREFERRED DIVIDENDS 4.98 ============ Tax-Effected Preferred Dividends $ 863 Fixed Charges 40,261 ------------ Fixed Charges and Preferred Dividends $ 41,124 ============ RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED DIVIDENDS 4.89 ============