1 EXHIBIT 12 Aetna Industries, Inc. Information on Ratio of Earnings To fixed charges computation (in thousands) Six months ended Year ended December 31, Proforma June 30, Proforma 1991 1992 1993 1994 1995 1995 1995 1996 1996 Net income before the effect of accounting changes (2,287) (2,768) 915 6,595 4,576 3,674 5,466 2,806 2,253 Income taxes 218 (347) 930 4,000 1,877 1,392 2,243 2,163 1,865 Pretax income (2,069) (3,115) 1,845 10,595 6,453 5,066 7,709 4,969 4,118 Fixed charges per below 10,467 10,299 9,659 9,800 9,795 11,432 4,720 4,756 5,732 --------------------------------------------------------------------------------- Earnings from operations 8,398 7,184 11,504 20,395 16,248 16,498 12,429 9,725 9,850 --------------------------------------------------------------------------------- Fixed charges: Interest expense 9,525 9,206 9,020 8,929 8,579 10,094 4,246 4,132 5,047 Debt amortization 432 557 99 198 442 564 99 221 282 Rent expense - portion of operating rentals representative of the interest factor 510 536 540 673 774 774 375 403 403 --------------------------------------------------------------------------------- Total fixed charges 10,467 10,299 9,659 9,800 9,795 11,432 4,720 4,756 5,732 --------------------------------------------------------------------------------- Ratio of income to fixed charges (1) (1) 1.2 2.1 1.7 1.5 2.6 2.0 1.7 (1) The deficiency of earnings from operations versus fixed charges was $ 2.1 million and $3.1 million for the years ended December 31, 1991 and 1992, respectively.