Notification of Potential Adjustment Event on UBS Long/Short Certificates on Naspers Limited (Long) vs. Tencent UBS AG, London Branch (“UBS AG” or the “Company”) (Incorporated and domiciled in Switzerland) (Registration number: CH-270.3.004.646-4) Notification of Potential Adjustment Event on UBS Long/Short Certificates on Naspers Limited (Long) vs. Tencent Holdings Limited (Short) Certificateholders of UBS Long/Short Certificates on Naspers Limited (Long) vs. Tencent Holdings Limited (Short) are hereby advised of a Potential Adjustment Event that may have a diluting or concentrative effect on the theoretical value of the relevant Shares. In accordance with Unbundling of Novus Holdings Limited Shares to Naspers Shareholders announcement by Naspers Limited on 05 September 2017, the initial cash component (C0) will change. The Calculation Agent has determined details and effective date of the adjustment as per the following: Old cash component (in ZAR) = 1723.59 New cash component (in ZAR) = 1723.59 + adjustment related to the unbundling The adjustment related to the unbundling will be determined in accordance with the announcement by Naspers Limited on 05 September 2017. Certificate holders will receive the value of the unbundling in the intended ratio of 0.34588 Novus shares for every one certificate multiplied by the reference price of Novus Shares. The reference price will be determined based on the VWAP of the Novus Shares traded on the JSE on Wednesday, 20 September 2017. Effective date: 21 September 2017 The Potential Adjustment Event affects the following certificates: INSTRUMENT NUMBER: 72205 ALPHA CODE: UBNPNM ISIN: ZAE000248936 The Calculation Agent will determine the effect of the Potential Adjustment Event and make the corresponding adjustments as determined appropriate to account for this event. This will be communicated directly to Certificateholders. The adjustment may have an effect of the value of the certificate. 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 20 September 2017 Sponsor: UBS South Africa (Pty) Limited Date: 20/09/2017 04:50:00 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.