COMPANHIA DE SANEAMENTO BÁSICO DO ESTADO DE SÃO PAULO - SABESP STATEMENTS OF CHANGES IN FINANCIAL POSITION FOR THE YEARS ENDED DECEMBER 31, 2005 AND 2004 (In thousands of Brazilian reais – R$) (Convenience Translation into English from the Original Previously Issued in Portuguese) SOURCES OF FUNDS From operations: Net income Items not affecting working capital Bad Debt Expense Depreciation and amortization Investments write-off Loss on disposal of property, plant and equipment Write-off of deferred charges Monetary variations on long-term items Provisions for contingencies Pension obligation Interest and monetary and exchange variations on long- term assets and liabilities: Loans and financing Taxes payable Deferred income and social contribution taxes: In long-term assets In long-term liabilities Total from operations From third parties: Loans and financing, long-term Increase in long-term liabilities – work aid Total from third parties Decrease in working capital Total sources USES OF FUNDS Increase in long-term assets Decrease in long-term liabilities Permanent assets Property, plant and equipment Deferred charges Transfer from long-term to current liabilities Loans and financing Interest on shareholders’ equity Increase in working capital Total uses 2005 2004 865,647 513,028 137,639 595,981 4,360 19,051 6,700 (19,597) 120,609 54,382 76,870 598,911 34,616 (38,548) 75,660 76,636 (143,210) 21,761 (9,569) 25,018 (41,549) 3,388 1,625,162 (34,467) 8,938 1,327,093 1,153,479 13,529 1,167,008 780,722 14,552 795,274 - 356,265 2,792,170 2,478,632 180,003 46,602 217,107 22,668 678,237 106 600,903 444 634,487 348,216 1,484,575 152,935 904,519 - 2,792,170 2,478,632 1,725,386 1,229,790 495,596 1,229,790 1,217,165 12,625 1,691,966 2,100,889 (408,923) 904,519 2,100,889 1,731,999 368,890 (356,265) Increase (decrease) in working capital: Current assets At end of year At beginning of year Variation in current assets Current liabilities At end of year At beginning of year Variation in current liabilities Increase (decrease) in working capital The accompanying notes are an integral part of these financial statements. 28 COMPANHIA DE SANEAMENTO BÁSICO DO ESTADO DE SÃO PAULO - SABESP STATEMENTS OF CHANGES IN FINANCIAL POSITION FOR THE YEARS ENDED DECEMBER 31, 2005 AND 2004 (In thousands of Brazilian reais – R$) (Convenience Translation into English from the Original Previously Issued in Portuguese) SUMMARY 2005 2004 SOURCES From operations From third parties Decrease in working capital TOTAL SOURCES 1,625,162 1,167,008 2,792,170 1,327,093 795,274 356,265 2,478,632 USES Increase in long-term assets Decrease in long-term liabilities Permanent assets Transfer from long-term to current liabilities Interest on shareholders’ equity Increase in working capital TOTAL USES 180,003 46,602 678,343 634,487 348,216 904,519 2,792,170 217,107 22,668 601,347 1,484,575 152,935 2,478,632 For 2005, the Company chosen for enhancing the model of its Statements of Changes in Financial Position, presenting the Increase in working capital as uses and the decrease in working capital as sources. The accompanying notes are an integral part of these financial statements. 29