Investec Bank (Mauritius) Limited Incorporated in the Republic of Mauritius Company Registration number 8752/3362 Business Registration number C09008752 JSE Share Code: IMRP5 JSE Issuer Share Code: IVES ISIN: MU0455S00040 LEI Number: 213800VEN92NOOOJF520 Preference share dividend announcement Class IMRP5 redeemable cumulative non-participating no par value preference shares (“preference shares”) Declaration of dividend number 28 Notice is hereby given that preference dividend number 28 has been declared from retained earnings for the period from 28 October 2022 to and including 29 January 2023 amounting to 1,122.53964 USD cents per share, converted to 19,133.12689 ZAR cents per share (using a ZAR/USD exchange rate of 17.0445 as at 10 January 2023) payable to holders of the Preference Shares as recorded in the books of the Investec Bank (Mauritius) Limited (“the Company”) at the close of business on Friday, 27 January 2023. The relevant dates relating to the payment of dividend number 28 are as follows: Last day to trade cum-dividend Tuesday, 24 January 2023 Preference Shares commence trading ex- Wednesday, 25 January 2023 dividend Record date Friday, 27 January 2023 Payment date Monday, 30 January 2023 Preference Share certificates may not be dematerialised or rematerialised between Wednesday, 25 January 2023 and Friday, 27 January 2023, both dates inclusive. Additional information to take note of: • The Company tax reference number is: 25003203 • The issued Preference Shares in Class IMRP5 of the capital of the Company is 55 000 Preference Shares • The dividend paid by the Company is a foreign dividend and is subject to South African Dividend Tax (Dividend Tax) of 20% (subject to any available exemptions or reductions in terms of Double Tax Agreements as legislated) equal to 3,826.62538 ZAR cents per Preference Share • Preference Shareholders who are exempt from paying the Dividend Tax will receive a gross dividend of 19,133.12689 ZAR cents per Preference Share • Preference Shareholders who are not exempt from paying the Dividend Tax will receive a net dividend of 15,306.50151 ZAR cents per Preference Share. By order of the board P Jeewooth Company Secretary Investec Bank (Mauritius) Limited 10 January 2023 Sponsor: Investec Bank Limited