Exhibit 12 Motorola, Inc. Ratio of Earnings to Fixed Charges Six Months Ended Years Ended December 31, June June 28, 29, (In Millions) 1997 1996 1996 1995 1994 1993 1992 Pretax Income (1) $948 $1,096 $1,810 $3,195 $2,447 $1,481 $809 Capitalized interest ($1) $0 $0 $0 $0 $0 ($1) Fixed charges $157 $181 $357 $302 $277 $254 $269 (as calculated below) Earnings (2) $1,104 $1,277 $2,167 $3,497 $2,724 $1,735 $1,077 Fixed charges: Interest expense $109 $144 $263 $228 $215 $203 $219 Rent expense $48 $36 $93 $74 $62 $51 $50 interest factor Total fixed charges (3) $157 $180 $356 $302 $277 $254 $269 Ratio of earnings to fixed charges 7.0 7.1 6.1 11.6 9.8 6.8 4.0 (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.