ITRON, INC. Exhibit 12 Statement of Computation of Ratios Year Ended December 31, ----------- ----------------------------------- ----------- 1993 1994 1995 1996 1997 ----------- ---------- ----------- --------- ----------- (in thousands, except ratios) Earnings: Pre-tax income (loss) 7,373 14,193 16,401 (2,134) 1,635 Fixed Charges: Convertible debt amort 357 Interest capitalized - - - 533 994 Interest expense,Gross 619 138 252 923 3,834 ----------- ---------- ----------- --------- ----------- a) Fixed charges 619 138 252 1,456 4,828 ----------- ---------- ----------- --------- ----------- b) Earnings for ratio 7,992 14,331 16,653 (678) 6,463 Ratios: Ratio of Earnings to Fixed Charges (b/a) 12.9111 103.85 66.08 n/a 1.3386