EXHIBIT 12 ADVANCED GLASSFIBER YARNS LLC STATEMENT RE COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (in thousands, except ratio information) Advanced Glassfiber Yarns ---------------- Three Nine Months Months Ended Ended December 31, September 30, Year Ended December 31, ---------------- ------------- --------------------------------- 1998 1998 1997 1996 1995 1994 ---------------- ------------- -------- ------- ------- ----- EARNINGS: Income from continuing operations before income taxes 4,275 59,235 82,866 83,294 74,535 65,072 Fixed charges 9,326 898 1,076 618 457 422 --------------- ----------- ---------------------------------- 13,601 60,133 83,942 83,912 74,992 65,494 =============== =========== ================================== FIXED CHARGES: Interest, including amortization of debt issuance costs 9,113 -- -- -- -- -- --------------- ----------- --------------------------------- Portion of rents representative of interest factor 213 898 1,076 618 457 422 --------------- ----------- --------------------------------- 9,326 898 1,076 618 457 422 --------------- =========== ================================= --------------- ----------- --------------------------------- RATIO OF EARNINGS TO FIXED CHARGES 1.5x 67x 78x 136x 164x 155x =============== =========== =================================