30 ANNUAL REPORT 2012 TABLE OF CONTENTS 31 Independent Auditors Report 32 Consolidated Balance Sheets 33 Consolidated Statements of Income 33 Consolidated Statements of Comprehensive Income 34 Consolidated Statements of Changes in Equity 36 Consolidated Statements of Cash Flows 37 Notes to Consolidated Financial Statements 37 1 CORPORATE INFORMATION 37 2 DATE OF AUTHORIZATION FOR ISSUE 37 3 BASIS OF PRESENTATION 38 4 SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES 45 5 FUTURE ACCOUNTING CHANGES 46 6 CASH AND CASH EQUIVALENTS 46 7 RESTRICTED CASH 46 8 TRADE AND OTHER RECEIVABLES 47 9 UNBILLED REVENUE AND DEFERRED REVENUE 47 10 INVENTORIES 47 11 LONGTERM FINANCIAL ASSETS 47 12 CONSTRUCTION PROJECTS ACCOUNTED FOR USING THE EQUITY METHOD 48 13 PROPERTY PLANT AND EQUIPMENT 49 14 CONCESSION RIGHTS AND OTHER INTANGIBLE ASSETS 50 15 BANK INDEBTEDNESS 50 16 TRADE AND OTHER PAYABLES 51 17 PROVISIONS 51 18 LONGTERM DEBT 52 19 CONVERTIBLE DEBENTURES 53 20 CONCESSION RELATED DEFERRED REVENUE 53 21 INCOME TAXES 55 22 EMPLOYEE BENEFIT PLANS 56 23 CONTINGENCIES 57 24 COMMITMENTS UNDER NONCANCELLABLE OPERATING LEASES 57 25 CAPITAL STOCK 58 26 JOINT VENTURES 58 27 EXPENSES 59 28 OTHER INCOME 59 29 FINANCE COSTS 59 30 EARNINGS PER SHARE 59 31 SUPPLEMENTARY CASH FLOW INFORMATION 60 32 FINANCIAL INSTRUMENTS 63 33 CAPITAL DISCLOSURES 63 34 OPERATING SEGMENTS 66 35 RELATED PARTIES CONSOLID A TED FINANCIAL ST A TEMENTS DECEMBER 31 2012