Exhibit 12 TELEPHONE AND DATA SYSTEMS, INC. RATIOS OF EARNINGS TO FIXED CHARGES For the Three Months March 31, 1999 (Dollars In Thousands) EARNINGS: Income from Continuing Operations before income taxes $ 14,699 Add (Deduct): Minority Share of Losses (5,938) Earnings on Equity Method 6,542 Distributions from Minority Subsidiaries 6,100 Amortization of Capitalized Interest 395 Minority interest in majority-owned subsidiaries that have fixed charges 1,342 -------- 23,140 Add fixed charges: Consolidated interest expense 36,774 Interest Portion (1/3) of Consolidated Rent Expense 5,099 -------- $ 65,013 FIXED CHARGES: ======== Consolidated interest expense $ 36,774 Interest Portion (1/3) of Consolidated Rent Expense 5,099 -------- $ 41,873 ======== RATIO OF EARNINGS TO FIXED CHARGES 1.55 ======== Tax-Effected Redeemable Preferred Dividends $ 78 Fixed Charges 41,873 -------- Fixed Charges and Redeemable Preferred Dividends $ 41,951 ======== RATIO OF EARNINGS TO FIXED CHARGES AND REDEEMABLE PREFERRED DIVIDENDS 1.55 ======== Tax-Effected Preferred Dividends $ 1,483 Fixed Charges 41,873 -------- Fixed Charges and Preferred Dividends $ 43,356 ======== RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED DIVIDENDS 1.50 ========