This Publication is an annual report and financial Statements of Rio Tinto for 2006 tittled Supplying Essential Resources. This publication contains information presented with several chapter namely Chairman's message, Interview with the chief executive, Selected financial data, Risk factors, Cautionary statement about forward looking statements, Rio Tinto, Operating and financial review (OFR), Financial calendar, Chairman and directors, Product group chief executives, Directors' report, Remuneration report, Corporate governance, Audit committee charter, Shareholder information, Dividends, Market listings and share prices, Taxation, Exchange controls, Dual listed companies structure, Supplementary Information, Rio Tinto share ownership, Useful addresses, 2006 Financial statements, Auditors' independence declaration, Independent auditors' report, and lastly Summary financial data.