Factsheet and information regarding the composition of the reference portfolio underlying the notes UBS AG, London Branch (“UBS AG” or the “Company”) (Incorporated and domiciled in Switzerland) (Registration number: CHE-101.329.561) Share code: UEFPCA ISIN: ZAE000255477 Share code: UMMIEA ISIN: ZAE000261392 Share code: UMMIEB ISIN: ZAE000261400 Share code: UABSPA ISIN: ZAE000261590 Share code: UPCHPA ISIN: ZAE000263943 Share code: UOMWPA ISIN: ZAE000263919 Share code: USQCPA ISIN: ZAE000266409 Share code: UABCPA ISIN: ZAE000266417 Share code: UEFPCB ISIN: ZAE000277679 Share code: UMMIES ISIN: ZAE000278446 Share code: FNBGSE ISIN: ZAE000285433 Share code: FNBGEG ISIN: ZAE000285441 Share code: UEXGEP ISIN: ZAE000285425 Share code: GIMLPC ISIN: ZAE000315610 Share code: DNKOPP ISIN: ZAE000316170 Share code: CCMGCZ ISIN: ZAE000316303 Share code: ANCOMP ISIN: ZAE000316311 Share code: CLPASI ISIN: ZAE000316493 Share code: SAALG ISIN: ZAE000320859 Share code: SAAGG ISIN: ZAE000320842 Share code: SBTGFP ISIN: ZAE000320818 Share code: FNBLSP ISIN: ZAE000320834 Share code: MERGE ISIN: ZAE000320826 INFORMATION REGARDING THE COMPOSITION OF THE REFERENCE PORTFOLIO UNDERLYING THE NOTES Holders and prospective investors are advised that the reference portfolio to the above notes may have been adjusted, pursuant to the Final Terms. Access to important information in the AMC factsheet (as at 28 April 2023) are available on the UBS AG website hosted at: https://keyinvest- za.ubs.com/UBSAMC Further important information regarding the current composition (including the respective weights) and the current level of the reference portfolio underlying the notes can be requested free of charge at any time from UBS South Africa at the contact details set out below. This information may be material in relation to the value of the notes and the level of risk which is associated with the notes. UBS South Africa (Pty) Ltd, 144 Oxford Road 2196 Johannesburg (South Africa) Tel.: +27-(0)11 322 7000 E-mail: keyinvestza@ubs.com 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 15 May 2023 Sponsor: UBS South Africa (Pty) Limited Date: 15-05-2023 03:30:00 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.