Publication of information by means of supplement in relation to UBS AG Registration Document dated 27 November 2018 UBS AG, London Branch ("UBS AG" or the "Company") (Incorporated and domiciled in Switzerland) (Registration number: CHE-101.329.561) UBS AG STRUCTURED NOTE PROGRAMME FOR NOTES LISTED ON THE MAIN BOARD OF THE JSE LIMITED (THE "PROGRAMME"): PUBLICATION OF INFORMATION BY MEANS OF SUPPLEMENT IN RELATION TO UBS AG REGISTRATION DOCUMENT DATED 27 NOVEMBER 2018 (THE "REGISTRATION DOCUMENT") We refer to the Programme, under which certain notes are issued, and also to the Registration Document (as referred to under the Programme). Holders of Notes are hereby notified that there has been an update to information that relates to UBS AG as Issuer which has been published by way of a supplement to the Registration Document relating to UBS AG which was dated 27 November 2018. This information relates to amongst others certain amendments to disclosure which have been made in respect of the Company and risk factors. The updated information can be viewed on: https://keyinvest- za.ubs.com/legaldocuments For further information kindly contact: UBS KeyInvest South Africa Tel.: +27 11 322 7129 / 7317 E-mail: keyinvestza@ubs.com Web: http://keyinvest-za.ubs.com Johannesburg 16 October 2023 Sponsor: UBS South Africa (Pty) Limited Date: 16-10-2023 12:30:00 Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE'). The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct, indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on, information disseminated through SENS.