EXHIBIT 11.0 IHOP CORP. AND SUBSIDIARIES STATEMENT REGARDING COMPUTATION OF PER SHARE EARNINGS (IN THOUSANDS, EXCEPT PER SHARE DATA) (UNAUDITED) THREE MONTHS SIX MONTHS ENDED ENDED JUNE 30, JUNE 30, -------------------- -------------------- 1999 1998 1999 1998 --------- --------- --------- --------- NET INCOME PER COMMON SHARE--BASIC Weighted average shares outstanding................................. 19,935 19,675 19,876 19,587 --------- --------- --------- --------- --------- --------- --------- --------- Net income available to common shareholders......................... $ 7,852 $ 6,463 $ 14,437 $ 11,164 --------- --------- --------- --------- --------- --------- --------- --------- Net income per share--basic......................................... $ .39 $ .33 $ .73 $ .57 --------- --------- --------- --------- --------- --------- --------- --------- NET INCOME PER COMMON SHARE--DILUTED Weighted average shares outstanding................................. 19,935 19,675 19,876 19,587 Net effect of dilutive stock options based on the treasury stock method using the average market price............................. 450 418 421 376 --------- --------- --------- --------- Total............................................................. 20,385 20,093 20,297 19,963 --------- --------- --------- --------- --------- --------- --------- --------- Net income available to common shareholders......................... $ 7,852 $ 6,463 $ 14,437 $ 11,164 --------- --------- --------- --------- --------- --------- --------- --------- Net income per share--diluted....................................... $ .39 $ .32 $ .71 $ .56 --------- --------- --------- --------- --------- --------- --------- ---------