Changes to the Board of Investec Bank Mauritius Limited Investec Bank (Mauritius) Limited Incorporated in the Republic of Mauritius Company Registration number 8752/3362 Business Registration number C09008752 JSE Share Code: IMRP1, IMRP2, IMRP3, IMRP4, IMRP5, IMRP6 and IMRP7, IMRP8 and IMRP9 JSE Issuer Code: IVES ISIN codes: MU0455S00008, MU0455S00016, MU0455S00024, MU0455S00032, MU0455S00040, MU0455S00057, MU0455S00065, MU0455S00073 and MU0455S00081 LEI Number: 213800VEN92NOOOJF520 (IBM or the Company) CHANGES TO THE BOARD OF INVESTEC BANK (MAURITIUS) LIMITED (the “BOARD”) IBM announces, in accordance with Section 6.39 of the Debt Listings Requirements, the following change to the Board of IBM: Retirement of Chairman The Board hereby confirms that Mr David Martin Lawrence, the Chairman and non-executive director of Company, will retire from the Board and relinquish all duties from the various sub-committees that he served on, effective from 01 October 2021. The Board wishes to express its gratitude to David for his exemplary service, commitment and contribution to the Investec Group. Having been with the Investec Group as a director for over 25 years, David also served as the Deputy Chairman of the Investec Bank Limited since 2011 and Chairman of IBM from 2008. David’s wealth of knowledge and expertise, passion and tenacity have been an instrumental driving factor in growing the Investec Group. The Board offers its sincere thanks and best wishes to David in his future endeavours. Appointment of new Chairman and related board committee changes Furthermore, the Company is pleased to announce the appointment of Mr Lourens Francois Janse van Rensburg as the new chairman and non-executive director to the Board of IBM with effect from 01 October 2021. The appointment of Lourens was made pursuant to the policy dealing with the nomination of directors to the Board. Lourens joined the Investec Group in 2001 and was appointed as Head of Financial Products in 2010. Lourens is currently Head of Investec Corporate and Investment Banking SA which position he assumed in 2015. He was further appointed as joint Global Head of ICIB in 2016. Lourens is a qualified chartered accountant and a CFA charterholder. Lourens will replace Mr David Martin Lawrence in the following sub-committees of the Board: 1. Chairman of the Board sub-committee 2. Chairman of the Nomination and remuneration committee 3. Member of the Conduct review committee 4. Member of the Corporate governance committee 5. Member of the Investment committee 6. Member of the Risk management committee 7. Chairman of the Large exposure committee The Board takes this opportunity in welcoming Lourens in his role. By order of the board P Jeewooth Company Secretary Investec Bank (Mauritius) Limited 21 September 2021 Sponsor: Investec Bank Limited Date: 21-09-2021 02:30:00 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.