EXHIBIT 11.0 IHOP CORP. AND SUBSIDIARIES STATEMENT REGARDING COMPUTATION OF PER SHARE EARNINGS (IN THOUSANDS, EXCEPT PER SHARE DATA) (UNAUDITED) THREE MONTHS NINE MONTHS ENDED ENDED SEPTEMBER 30, SEPTEMBER 30, ------------- ------------- 1999 1999 1998 1999 1998 - ---- ------- ------- ------- ------- NET INCOME PER COMMON SHARE-BASIC Weighted average shares outstanding....................... 20,068 19,710 19,940 19,628 ======= ======= ======= ======= Net income available to common shareholders............... $ 8,641 $ 7,245 $23,078 $18,409 ======= ======= ======= ======= Net income per share-basic................................ $ 0.43 $ 0.37 $ 1.16 $ 0.94 ======= ======= ======= ======= NET INCOME PER COMMON SHARE-DILUTED Weighted average shares outstanding....................... 20,068 19,710 19,940 19,628 Net effect of dilutive stock options based on the treasury stock method using the average market price...... 428 393 424 381 ------- ------- ------- ------- Total................................................. 20,496 20,103 20,364 20,009 ======= ======= ======= ======= Net income available to common shareholders............... $ 8,641 $ 7,245 $23,078 $18,409 ======= ======= ======= ======= Net income per share-diluted.............................. $ 0.42 $ 0.36 $ 1.13 $ 0.92 ======= ======= ======= =======