EXHIBIT 12 THOMAS & BETTS CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (DOLLARS IN THOUSANDS) For The Years Ended ----------------------------------------------------------------------- January 3, December 28, December 29, December 31, January 1, 1999 1997 1996 1995 1995 ----------- ------------ ------------ ------------ ----------- Earnings from continuing operations before income taxes $ 124,908 $ 233,507 $ 106,395 $ 148,365 $ 54,576 Add: Interest on indebtedness 50,958 51,431 50,131 32,625 31,252 Amortization of debt expense 177 610 1,335 1,496 1,373 Portion of rents representative of the interest factor 10,835 11,796 11,585 10,935 9,906 Deduct: Interest capitalized and undistributed earnings from less than 50 percent owned persons (12,701) (10,380) (5,259) (2,848) (1,863) --------- --------- --------- --------- --------- Earnings as adjusted $ 174,177 $ 286,964 $ 164,187 $ 190,573 $ 95,244 --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- Fixed charges: Interest on indebtedness 50,958 51,431 $ 50,131 $ 32,625 $ 31,252 Amortization of debt expense 177 610 1,335 1,496 1,373 Portion of rents representative of the interest factor 10,835 11,796 11,585 10,935 9,906 --------- --------- --------- --------- --------- Total fixed charges $ 61,970 $ 63,837 $ 63,051 $ 45,056 $ 42,531 --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- Ratio of earnings to fixed charges 2.8x 4.5x 2.6x 4.2x 2.2x --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- EX12-1