Record first half underlying earnings1 of $7.8 billion, 35 per cent above 2010 first half Record first half net earnings1 of $7.6 billion, 30 per cent above 2010 first half Record first half underlying EBITDA1 of $14.3 billion, 27 per cent above 2010 first half Record first half cash flow from operations up 31 per cent to $12.9 billion Capital expenditure of $5.1 billion in 2011 first half, compared with…