<PAGE>
Exhibit 12
Motorola, Inc.
Ratio of Earnings to Fixed Charges
<TABLE>
<CAPTION>
Nine Months Ended Years Ended December 31,
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Sept. 30, Oct. 2,
(In Millions) 2000 1999 1999 1998 (4) 1997 1996 1995
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<S> <C> <C> <C> <C> <C> <C> <C>
Pretax income (loss) (1) $1,888 $ 873 $1,434 $(1,230) $1,814 $1,626 $3,248
Capitalized interest $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0
Fixed charges
(as calculated below) $ 498 $ 406 $ 568 $ 460 $ 342 $ 388 $ 295
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Earnings (2) $2,386 $1,279 $2,002 $ (770) $2,156 $2,014 $3,543
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Fixed charges:
Interest expense (5) $ 414 $ 287 $ 399 $ 348 $ 234 $ 290 $ 230
Rent expense interest factor $ 84 $ 119 $ 169 $ 112 $ 108 $ 98 $ 65
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Total fixed charges (3) $ 498 $ 406 $ 568 $ 460 $ 342 $ 388 $ 295
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Ratio of earnings to fixed charges 4.8 3.2 3.5 -- 6.3 5.2 12.0
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(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) of SEC Regulation S-K.
(4) Earnings were inadequate for the year ended December 31, 1998, by $1.2
billion to cover fixed charges.
(5) The Company was a guarantor of Iridium's $750 million guaranteed credit
agreement. On November 15, 1999, the Company satisfied its guarantee
obligations under this agreement by paying approximately $743 million to the
banks providing loans under the agreement. Included with this payment was
approximately $3 million in interest charges which have been aggregated in
the 1999 total interest expense used for the calculation of total fixed
charges.
