UBS : Ad hoc announcement pursuant to Article 53 of the SIX Exchange Regulation Listing Rules - Form 6-K

Ad hoc announcement pursuant to Article 53 of the SIX Exchange Regulation Listing Rules UBS expects to complete Credit Suisse acquisition as early as 12 June 2023

Credit Suisse shareholders to receive one UBS share for every 22.48 outstanding shares held. UBS Group AG to assume all Credit Suisse Group AG assets and liabilities.

Zurich, 5 June 2023 - UBS expects to complete the acquisition of Credit Suisse as early as 12 June 2023. At that time, Credit Suisse Group AG will be merged into UBS Group AG. Completion is subject to the registration statement, which covers shares to be delivered, being declared effective by the US Securities and Exchange Commission, and to satisfaction, or waiver by UBS, of other remaining closing conditions.

Upon completion, Credit Suisse shares and American Depositary Shares (ADS) will be delisted from the SIX Swiss Exchange (SIX) and the New York Stock Exchange (NYSE). Credit Suisse shareholders will receive one UBS share for every 22.48 outstanding shares held. The exchange of Credit Suisse ADS may be subject to certain fees.

Credit Suisse Group AG's obligations under its outstanding debt securities will become obligations of UBS Group AG. Additional information on the specific issues of securities will be contained in investor notices that will be distributed in due course by the relevant stock exchanges, including the Official Notices page of SIX Swiss Exchange and, for certain notes, the Depository Trust Company (DTC).

UBS Group AG

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UBS Group AG, News Release, 5 June 2023Page 1

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Disclaimer

This document and the information contained herein are provided solely for information purposes, and are not to be construed as a solicitation of an offer to buy or sell any securities or other financial instruments in Switzerland, the United States or any other jurisdiction. No investment decision relating to securities of or relating to UBS Group AG, UBS AG or their affiliates should be made on the basis of this document. UBS undertakes no obligation to update the information contained herein.

This document contains statements that constitute "forward-looking statements." While these forward-looking statements represent UBS's judgments and expectations concerning the matters described, a number of risks, uncertainties and other important factors could cause actual developments and results to differ materially from UBS's expectations. For a discussion of the risks and uncertainties that may affect UBS's future results please refer to the "Risk Factors" and other sections of UBS's most recent Annual Report on Form 20-F, UBS Group AG's registration statement on Form F-4, quarterly reports and other information furnished to or filed with the US Securities and Exchange Commission on Form 6-K. UBS's Annual Report on Form 20-F, quarterly reports and other information furnished to or filed with the US Securities and Exchange Commission on Form 6-K are also available at the SEC's website: www.sec.gov.

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This Form 6-K is hereby incorporated by reference into (1) each of the registration statements of UBS AG on Form F-3 (Registration Number 333-263376), and of UBS Group AG on Form S-8 (Registration Numbers 333-200634; 333-200635; 333-200641; 333-200665; 333-215254; 333-215255; 333-228653; 333-230312; and 333-249143), and into each prospectus outstanding under any of the foregoing registration statements, (2) any outstanding offering circular or similar document issued or authorized by UBS AG that incorporates by reference any Forms 6-K of UBS AG that are incorporated into its registration statements filed with the SEC, and (3) the base prospectus of Corporate Asset Backed Corporation ("CABCO") dated June 23, 2004 (Registration Number 333-111572), the Form 8-K of CABCO filed and dated June 23, 2004 (SEC File Number 001-13444), and the Prospectus Supplements relating to the CABCO Series 2004-101 Trust dated May 10, 2004 and May 17, 2004 (Registration Number 033-91744 and 033-91744-05).