For the six months ended 30 June 2011
- 1. Basis of accounting
- 2. Accounting policies
- 3. Currency conversion
- 4. Operating costs and share of results of associates
- 5. Finance income and finance costs
1. Basis of accounting
The unaudited condensed consolidated interim financial statements are prepared under the historical cost convention, except for the revaluation of certain financial instruments as disclosed in our accounting policies.