Exhibit 11 Statement Regarding Computation of Per Share Earnings Three Months Six Months Ended June 30, Ended June 30, 1996 1995 1996 1995 (In Thousands, Except Per Share Data) Primary net income per share Net income: Net income as reported $15,803 $12,090 $27,431 $23,410 Weighted average number of common shares outstanding 18,604 19,363 19,034 19,363 Common stock equivalents (stock options) 327 265 524 471 Primary shares 18,931 19,628 19,558 19,834 Primary net income per share $ .83 .62 1.40 1.18 Fully diluted net income per share Net income as reported $15,803 $12,090 $27,431 $23,410 Weighted average number of common shares outstanding 18,604 19,363 19,034 19,363 Common stock equivalents (exercisable stock options whether or not dilutive) 1,041 974 1,041 974 Fully diluted shares 19,645 20,337 20,075 20,337 Fully diluted net income per share $ .80 .59 1.37 1.15