UNITED FIRE & CASUALTY COMPANY AND SUBSIDIARIES EXHIBIT 11. COMPUTATION OF EARNINGS PER COMMON SHARE - -------------------------------------------------------------------------------------------------------- (Dollars in Thousands Except Per Share Data and Number of Shares) - -------------------------------------------------------------------------------------------------------- Weighted Average Net Three-Month Periods Ended Number of Shares Income Earnings Per September 30, Outstanding (Loss) Common Share - -------------------------------------------------------------------------------------------------------- 1998 10,088,460 $ (1,963) $ (0.19) 1997 10,727,322 3,591 0.33 - -------------------------------------------------------------------------------------------------------- - -------------------------------------------------------------------------------------------------------- (Dollars in Thousands Except Per Share Data and Number of Shares) - -------------------------------------------------------------------------------------------------------- Weighted Average Nine-Month Periods Ended Number of Shares Net Earnings Per September 30, Outstanding Income Common Share - -------------------------------------------------------------------------------------------------------- 1998 10,495,773 $ 19,529 $ 1.86 1997 10,727,479 16,112 1.50 - -------------------------------------------------------------------------------------------------------- Computation of weighted average number of common and common equivalent shares: - ------------------------------------------------------------------------------------------- Three-Month Periods Ended September 30, 1998 1997 - ------------------------------------------------------------------------------------------- Common shares outstanding beginning of the period 10,066,721 10,727,322 Weighted average of the common shares purchased and retired or reissued 21,739 - - ------------------------------------------------------------------------------------------- Weighted average number of common shares 10,088,460 10,727,322 - ------------------------------------------------------------------------------------------- - ------------------------------------------------------------------------------------------- - ------------------------------------------------------------------------------------------- Nine-Month Periods Ended September 30, 1998 1997 - ------------------------------------------------------------------------------------------- Common shares outstanding beginning of the period 10,727,322 10,727,712 Weighted average of the common shares purchased and retired or reissued (231,549) (233) - ------------------------------------------------------------------------------------------- Weighted average number of common shares 10,495,773 10,727,479 - ------------------------------------------------------------------------------------------- - ------------------------------------------------------------------------------------------- 16