EXHIBIT 11.0 IHOP CORP. AND SUBSIDIARIES STATEMENT REGARDING COMPUTATION OF PER SHARE EARNINGS (In thousands, except per share data) Three Months Ended Six Months Ended June 30, June 30, ----------------------------- ---------------------------- 1998 1997 1998 1997 ------------- -------------- ------------- ------------- NET INCOME PER COMMON SHARE - BASIC Weighted average shares outstanding 9,838 9,558 9,794 9,522 ======= ====== ======= ====== Net income available to common shareholders $ 6,463 $5,038 $11,164 $8,588 ======= ====== ======= ====== Net income per share - basic $ .66 $ .53 $ 1.14 $ .90 ======= ====== ======= ====== NET INCOME PER COMMON SHARE - DILUTED Weighted average shares outstanding 9,838 9,558 9,794 9,522 Net effect of dilutive stock options based on the treasury stock method using the average market price. 209 118 187 101 ------- ------ ------- ------ Total 10,047 9,676 9,981 9,623 ======= ====== ======= ====== Net income available to common shareholders $ 6,463 $5,038 $11,164 $8,588 ======= ====== ======= ====== Net income per share - diluted $ .64 $ .52 $ 1.12 $ .89 ======= ====== ======= ======