Investment Bank

1 Includes CHF 1,329 million in credit losses from impairment charges on reclassified financial instruments. 2 Represents economic own credit changes of financial liabilities designated at fair value through profit or loss. Prior periods have been adjusted to adhere to this "economic own credit" approach. Refer to note 10 for details and comparison with own credit amounts as defined by IFRS 7 (which are presented in note 3 of this report). 3 Additionally includes social security contributions and expenses related to alternative investment awards.

1 Personnel expenses / income. 2 Neither the cost / income nor the compensation ratio are meaningful due to losses recorded in the Investment Bank. 3 Operating expenses / income. 4 Regulatory VaR. In third quarter 2008, UBS changed from internal management VaR to regulatory VaR as the basis for external disclosure. 5 Refer to the discussion of the equity attribution framework in the "Capital management" section of this report. 6 Year-to-date business division performance before tax (annualized as applicable) / attributed equity (year-to-date average). 7 BIS risk-weighted assets (RWA) are according to Basel II. 8 Year-to-date business division performance before tax (annualized as applicable) / BIS RWA (year-to-date average).