Exhibit 7.1

RATIO OF EARNINGS TO FIXED CHARGES

Our consolidated ratios of earnings to fixed charges calculated in accordance with IFRS for the twelve month periods ended December 31, 2012, 2011, 2010, 2009 and 2008 are as follows:

	2012	2011	2010	2009	2008
IFRS	19.9	28.5	24.0	19.9	13.5

For the purpose of computing these ratios, earnings consist of the income from continuing ordinary activities before taxation of Group companies and income received from companies owned 50% or less, plus fixed charges.  Fixed charges consist of interest on all indebtedness, amortization of debt discount and expense and that portion of rental expense representative of the interest factor.