Note 1 - Description of the Business and Relevant Events

Note 2 - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies

Note 3 - New Accounting Pronouncements

Note 4 - Cash and Cash Equivalents

Note 5 - Other Current and Non-current Assets

Note 6 - Related Parties

Note 7 - Property and Equipment, net

Note 8 - Asset Retirement Obligation

Note 9 - Short- and Long-term Debt

Note 10 - Financial Assets and Financial Liabilities

Note 11 - Leases

Note 12 - Retirement Benefits

Note 13 - Employee Benefits

Note 14 - Accounts Payable and Accrued Liabilities

Note 15 - Equity

Note 16 - Income Tax

Note 17 - Contingencies and Commitments

Note 18 - Segments

Note 19 - Subsequent Events

Notes to consolidated financial statements