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Certain non-GAAP measures shown above and in the Letter to Shareholders have been provided to facilitate comparison with the prior year. Reconciliation of such amounts is provided in the fold-out table on pages 2 and 3. 

Net debt (net cash) is total debt less cash and cash equivalents. (a) 

Market value of equity is the number of shares of common stock outstanding multiplied by the period-end closing stock price. (b) 

Market capitalization is the market value of equity plus net debt (net cash). (c) 

Average equity has been adjusted for the impact of special items in 2012, 2011 and 2010. (d) 

Net capitalization is net debt (net cash) plus equity. (e) 

