EXHIBIT 12.4 ROYALTY GUARANTOR RATIO OF EARNINGS TO FIXED CHARGES (AMOUNTS IN THOUSANDS, EXCEPT RATIO) Three Months Ended Year Ended December 31, March 31, ---------------------------------------------- ------------------- 1998 1997 1996 1995 1999 1998 ---- ---- ---- ---- ---- ---- Pre-tax income from continuing operations 31,005 10,489 7,329 5,565 9,434 6,954 ---------------------------------------------- ------------------- 31,005 10,489 7,329 5,565 9,434 6,954 Fixed charges: Internet expense and amortization of deferred finance charges on all indebtedness 2,784 4,179 5,246 4,757 468 776 ---------------------------------------------- ------------------- Total fixed charges 2,784 4,179 5,246 4,757 468 776 Earnings before income taxes and fixed charges 33,789 14,668 12,575 10,322 9,902 7,730 Ratio of earnings to fixed charges 12.137 3.510 2.397 2.170 21.158 9.961