Balance Sheet (As of March 31, 2003)

Balance Sheet (As of March 31, 2003) (Unit :1000 Yen) Assets Section Liability Section Item Amount Item Amount Current assets Current liabilities Currency and demand deposits Bills payable Bills receivable Accounts payable Accounts receivable Short-term loans payable Products Current installments of longterm loans payable Raw materials Accrued liabilities Work in progress Accrued income tax and others Inventory goods Allowance for bonuses Prepaid expenses Allowance for product warranties Tax assets carried forward Bills payable for facilities Accrued revenues Others Others Allowance for doubtful debts Fixed assets Fixed liabilities Tangible fixed assets Long-term loans payable Buildings Allowance for retirement benefits for directors Structures Machinery and equipment Automotive equipment Total of liability section Tools, equipment and fixtures Equity Section Land Capital Construction in progress Intangible fixed assets Legal reserves Leaseholds Capital reserves Software Others Accumulated income Investment and others Revenue reserves Investment securities Voluntary reserves Subsidiaries' stocks Contingent reserves Amount invested Unappropriated income for the year Amount invested in subsidiaries' stocks (of Current income) Long-term loans receivable Prepaid pension expenses Variance of the estimate for stocks and others Deferred tax assets Variance of the estimate for securities and others Guarantee deposits Insurance reserve fund Treasury stock Others Allowance for doubtful debts Total of equity section Total of assets section Total of liability/equity section

Ordinary Income Section Operating Income Section Nonoperating Income Section Item Operating revenues Profit-and-Loss Statement (From April 1, 2002) (To March 31, 2003) Amount of sales Operating costs Cost of sales Selling and general administrative expenses Operating income Nonoperating revenue Interest and dividends income Others Nonoperating costs Interest paid Loss on disposal of obsolete inventories Loss on revaluation of investment securities Others (Unit :1000 Yen) Amount Special Income Section Ordinary income Special income Gain from sales of fixed assets Gain from sales of investment securities Reversal of allowance for doubtful debts Special loss Reversal of accrued warranty costs Compensation payment income Loss from disposal of fixed assets Income before taxes Corporate tax, inhabitant tax, and enterprise tax Adjustments for corporate and other tax Current income Unappropriated retained income brought forward Amount of interim dividends Unappropriated income for the year

Explanatory notes 1. Amounts shown are rounded down to the nearest thousand. 2. Significant accounting policies (1) Evaluation criteria and method for securities Stocks of subsidiaries and affiliates moving-average cost method Other securities Those with market value Market method based on the market price on the closing date (All the variances of the estimates are processed by the moving-average cost method and the cost of products sold is calculated by the moving-average cost method) Those without market value moving-average cost method (2) Evaluation criteria and methods for inventory assets Product, raw material, work in progress gross-average method Inventory goods last invoice cost method (3) Depreciation method for fixed assets Tangible fixed assets declining balance method Durable years for main items are as follows. Building 31 years Machinery and equipment 5 years Intangible fixed assets declining balance method As for software for in-house use, depreciation is calculated by the declining balance method based on the period of in-house availability (5 years). (4) Report criteria for allowance reserves Allowance for doubtful debts In order to prepare for the bad debts loss including account and loan receivables, the estimated amount of outstanding loans is recorded. The amount of general loans is calculated at the loan loss ratio and the amount of certain loans expected to be uncollectible is calculated on the basis of respective collectabilities. Allowance for bonuses In order to prepare for the bonuses for employees, an estimated amount of payment according to the period subject to payment is recorded. Allowance for product warranties In order to prepare for the cost to accommodate

the product complaints, the estimated amount of warranty costs is recorded. For those products whose warranty costs are estimated individually, the estimated cost is recorded and for other products, the amount calculated at the past ratio of the warranty cost to sales is recorded. Allowance for pensions In order to prepare for the pensions for employees, the estimated amount of pension payments and pension assets as of the end of the current fiscal year is recorded. The difference generated by changes in the accounting standard is calculated on a pro-rata basis over 10 years and reduced from the cost. The difference generated in actuarial calculations is calculated on a pro-rata basis over a certain period of years (10 years) under the average remaining work period of employees at the beginning of each fiscal year and reduced from the cost of the following fiscal year. Allowance for retirement benefits for directors In order to prepare for the retirement benefits for directors, the estimated amount of payments as of the end of the current fiscal year based on the bylaws is recorded. Allowance for retirement benefits for directors is an allowance provided in the Commercial Law Article 287 (2). (5) Processing method for leasing trade Finance/lease costs for those leased properties whose ownership is not transferred to the borrower is recorded according to the calculation by the ordinary leasing method. (6) Other important matters for the preparation of financial documents (a) Accounting procedures for consumption and other taxes Calculated on the basis of the before-tax method. (b) Accounting standards for the reversal of treasury stock and legal reserves With the implementation of the Accounting standard for the reversal of treasury stock and legal reserves (Corporate Accounting Standard No.1) on April 1, 2002, this standard has been introduced from the current period. Influence on the results for the current period by this change is minor. With the revision of the Commercial Law, the equity section on the balance sheet for the current period is prepared according to the Implementation Regulations of

Commercial Law (Justice Ministry Ordinance No.22 issued on March 29, 2002). (c) Per-share information With the implementation of Accounting standard for the current net income per share (Corporate Accounting Standard No.2) and Guideline for the implementation of accounting standard for the current net income per share on April 1, 2002, the said standard as well as the guideline have been introduced from the current period. 3. Explanatory notes to balance sheet (1) Debt and Credit Towards Subsidiaries Short-term loans 322,269 thousand yen Long-term loans 49,896 thousand yen Short-term liabilities 123,737 thousand yen (2) Accumulated depreciation of tangible fixed assets 3,995,046 thousand yen (3) Main Lease Properties Other than the tangible assets mentioned in the balance sheet, we use electronic parts processing equipment as the main fixed assets that are leased. (4) Significant assets in foreign currencies Amount invested in subsidiaries' stocks 342,044 thousand yen (2,995 thousand US dollar) Long-term loans receivable 27,729 thousand yen (230 thousand US dollar) Investment (Others) 26,597 thousand yen (221 thousand US dollar) (5) Current income per share 103.78 yen (6) Net assets amount restricted to be appropriated as dividends under the provision of the Commercial Law Article 290 (1) -6. 28,028 thousand yen 4. Explanatory notes to profit-and-loss statement Trade with subsidiaries Sales Transaction Amount of sales 82,306 thousand yen Amount of purchase 216,687 thousand yen Transactions other than sales 11,337 thousand yen