UBS Results Presentation Deck

1Q23 Group results by region Total revenues bn 1Q23 Profit before tax bn Operating expenses bn Cost / income ratio Americas r 3.8 (10%) 1Q22 1Q23 0.4 3.0 1 3.4 89% Switzerland 2.0 1Q22 +9% 1.0 7 1Q23 1.2 2.2 53% EMEA [ 2.0 (10%) 1Q22 1Q23 0.5 1 1.8 1.3 70% Asia Pacific 1.6 (8%) 0.5 7 1Q22 1Q23 1.0 1.5 68% UBS Excludes (0.2bn) revenues, 0.7bn expenses and (0.9bn) PBT from items managed at the Group level in region Global, such as the Non-core and Legacy Portfolio, certain litigation expenses and other items. The allocation of P&L to these regions reflects, and is consistent with, the basis on which the business is managed and its performance evaluated. These allocations involve assumptions and judgments that management considers reasonable and may be refined to reflect changes in estimates or management structure. The main principles of the allocation methodology are that client revenues are attributed to the domicile of the client, and trading and portfolio management revenues are attributed to the country where the risk is managed. Expenses are allocated in line with revenues. 23

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