EXHIBIT 11.0 IHOP CORP. AND SUBSIDIARIES STATEMENT REGARDING COMPUTATION OF PER SHARE EARNINGS (In thousands, except per share data) Three Months Ended Nine Months Ended September 30, September 30, ------------------------ ------------------------ 1998 1997 1998 1997 ------- ------ ------- ------- NET INCOME PER COMMON SHARE - BASIC Weighted average shares outstanding 9,855 9,645 9,814 9,563 ======= ====== ======= ======= Net income available to common shareholders $ 7,245 $5,733 $18,409 $14,321 ======= ====== ======= ======= Net income per share - basic $ 0.74 $ .59 $ 1.88 $ 1.50 ======= ====== ======= ======= NET INCOME PER COMMON SHARE - DILUTED Weighted average shares outstanding 9,855 9,645 9,814 9,563 Net effect of dilutive stock options based on the Treasury stock method using the average market price. 196 215 191 139 ------- ------ ------- ------- Total 10,051 9,860 10,005 9,702 ======= ====== ======= ======= Net income available to common shareholders $ 7,245 $5,733 $18,409 $14,321 ======= ====== ======= ======= Net income per share - diluted $ 0.72 $ .58 $ 1.84 $ 1.48 ======= ====== ======= =======