EXHIBIT 12 ADVANCED GLASSFIBER YARNS LLC STATEMENT RE COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (in thousands, except ratio information) For the Nine Months Year Ended December 31, Ended September 30, ---------------------------------------------- ------------------- 1997 1996 1995 1994 1993 1998 1997 -------- ------ ------ ------ ------ ------ ------- EARNINGS: Income from continuing operations before income taxes 82,866 83,294 74,535 65,072 45,797 59,235 62,451 Portion of rents representative of interest factor 1,076 618 457 422 362 898 814 ---------------------------------------------------------------------- 83,942 83,912 74,992 65,494 46,159 60,133 63,265 ====================================================================== FIXED CHARGES: ---------------------------------------------------------------------- Portion of rents representative of interest factor 1,076 618 457 422 362 898 814 ====================================================================== ---------------------------------------------------------------------- RATIO OF EARNINGS TO FIXED CHARGES 78x 136x 164x 155x 128x 67x 78x ======================================================================