Key Information B – Capitalization and Indebtedness. Not applicable. C – Reasons for the Offer and Use of Proceeds. Not applicable. D – Risk Factors. Annual Report, Risk factors (50-61). Item 4 . Information on the Company. A – History and Development of the Company 1-3: Annual Report, Corporate information and Contacts (7). The registrants' agent is Patrick T. Shilling, 11 Madison Avenue, New York, New York 10010. 4: Annual Report, Our evolution (14); Integration of Credit Suisse (15); Our strategy (17-18); Our businesses (21-28); Note 28 to the Financial Statements ( Changes in organization and acquisitions and disposals of subsidiaries and businesses ) (347-348). 5-6: Annual Report, Our businesses (21-28), Note 11 to the Financial Statements ( Property, equipment and software) (286), and Note 28 to the Financial Statements ( Changes in organization and acquisitions and disposals of subsidiaries and businesses ) (347-348). 7: Annual Report, Integration of Credit Suisse (15), Note 28 to the Financial Statements ( Changes in organization and acquisitions and disposals of subsidiaries and businesses ) (347-348). See also Item 10.C below. 8: Annual Report, Appendix Information sources (373). B – Business Overview. 1, 2 and 5: Annual Report, Our strategy, business model and environment (15-61), Note 2a to the Financial Statements ( Segment reporting) (272-273) and Note 2b to the Financial Statements ( Segment reporting by geographic location) (274). See also Supplement (11). 3: Annual Report, Seasonal characteristics (69). 4: Not applicable. 6: None. 7: The basis for any statement generally accompanies the statement, except where marked in the Annual Report as a statement based on publicly available information or internal estimates. Annual Report, Our businesses (21-28), Our stakeholders (34-40). 8: Annual Report, Regulation and supervision (41-45), Regulatory and legal developments (45-50), Risk factors (50-61). Supplement (12). C – Organizational Structure. Annual Report, Our evolution (14) and Note 27 to the Financial Statements ( Interests in subsidiaries and other entities ) (344-347). Annual Report 2025 5 D – Property, Plant and Equipment. Annual Report, Property, plant and equipment (359) , Note 1a) 8) to the Financial Statements ( Summary of material accounting policies, Material accounting policies: Property, equipment and software ) (269), Note 11 to the Financial Statements ( Property, equipment and software) (286). Information required by SEC Regulation S-K Part 1400 Annual Report, Information required by Subpart 1400 of Regulation S-K (360-365), Loss history statistics (110-111), and Note 9 to the Financial Statements ( Financial assets at amortized cost and other positions in scope of expected credit loss measurement) (280- 284).