Exhibit 12 Motorola, Inc. Ratio of Earnings to Fixed Charges Six Months Ended Years Ended December 31, June 27, June 28, (In Millions) 1998 1997 1997 1996 1995 1994 1993 Pretax Income (1) ($1,699) $948 $1,796 $1,810 $3,195 $2,447 $1,481 Capitalized interest $0 ($1) $0 $0 $0 $0 $0 Fixed charges $206 $157 $332 $357 $302 $277 $254 (as calculated below) Earnings (2) ($1,493) $1,104 $2,128 $2,167 $3,497 $2,724 $1,735 Fixed charges: Interest expense $160 $109 $229 $263 $228 $215 $203 Rent expense interest factor $46 $48 $103 $94 $74 $62 $51 Total fixed charges (3) $206 $157 $332 $357 $302 $277 $254 Ratio of earnings to fixed charges --(4) 7.0 6.4 6.1 11.6 9.8 6.8 (1)-After adjustments required by Item 503 (d)(3)(ii),(iii) and (iv) of SEC Regulation S-K. (2)-As defined in Item 503 (d)(3) of SEC Regulation S-K. (3)-As defined in Item 503 (d)(4)(i) of SEC Regulation S-K. (4)-Earnings were inadequate to cover fixed charges by $1.7 billion.