Transformation to CS First Boston

Tier 1 leverage ratio of 7.7% Tier 1 leverage ratio development in bps 59 bps 7.7% 102 bps 47 bps (21) bps 6.0% (17) bps 3Q22 Capital raises¹ Net loss HQLA Business impact Other movements² 4Q22 50.1 Leverage exposure in CHF bn 837 Tier 1 capital in CHF bn 651 (118) (54) (14) 3Q22 HQLA Business impact FX impact³ 4Q22 50.0 Tier 1 leverage ratio up to 7.7% ■ Tier 1 leverage ratio improved by 47 bps from the capital raises of CHF ~4.0 bn ■ HQLA impact from deposit outflows and business deleveraging increased the Tier 1 leverage ratio by 102 bps and 59 bps respectively, offset by (17) bps impact from our net loss of CHF 1.4 bn Leverage exposure down CHF 186 bn ■ Driven by HQLA impact from deposit outflows and business reductions notably in the Investment Bank Deleveraging focused on Securitized Products and Non-Core Unit • 21 Note: Results excluding certain items in our reported results are non-GAAP financial measures. See the appendix of this presentation for detailed information and defined terms as well as important presentation and other information relating to non-GAAP financial measures, including reconciliations. 1 Bps impact calculated based on the net proceeds 2 Includes FX impact from Sep 22 to Dec 22 FX rates and FX hedging costs, other CET1 and AT1 regulatory adjustments, quarterly dividend accrual, pension and share-based compensation 3 FX impact from Sep 22 to Dec 22 FX rates CREDIT SUISSE

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