Exhibit 11 CenturyTel, Inc. COMPUTATIONS OF EARNINGS PER SHARE (UNAUDITED) Three months ended March 31, - ----------------------------------------------------------------------------------------------------------- 2005 2004 - ----------------------------------------------------------------------------------------------------------- (Dollars, except per share amounts, and shares in thousands) Income (Numerator): Net income $ 79,616 83,279 Dividends applicable to preferred stock (100) (100) - ----------------------------------------------------------------------------------------------------------- Net income applicable to common stock 79,516 83,179 Interest on convertible debentures, net of tax 1,207 1,205 Dividends applicable to preferred stock 100 100 - ----------------------------------------------------------------------------------------------------------- Net income as adjusted for purposes of computing diluted earnings per share $ 80,823 84,484 =========================================================================================================== Shares (Denominator): Weighted average number of shares: Outstanding during period 132,183 142,624 Employee Stock Ownership Plan shares not committed to be released - (39) - ----------------------------------------------------------------------------------------------------------- Number of shares for computing basic earnings per share 132,183 142,585 Incremental common shares attributable to dilutive securities: Shares issuable under convertible securities 4,514 4,514 Shares issuable under stock option plan 472 327 - ----------------------------------------------------------------------------------------------------------- Number of shares as adjusted for purposes of computing diluted earnings per share 137,169 147,426 =========================================================================================================== Basic earnings per share $ .60 .58 =========================================================================================================== Diluted earnings per share $ .59 .57 ===========================================================================================================