Investec Bank (Mauritius) Limited Incorporated in the Republic of Mauritius Company Registration number 8752/3362 Business Registration number C09008752 JSE Share Code: IMRP4 JSE Issuer Code: IVES ISIN: MU0455S00032 LEI Number: 213800VEN92NOOOJF520 Preference share dividend announcement Class IMRP4 redeemable cumulative non-participating unsecured listed no par value preference shares (“preference shares”) Declaration of dividend number 25 Notice is hereby given that preference dividend number 25 has been declared from retained earnings f or the period f rom 31 May 2022 to and including 30 August 2022 amounting to 567.30471 USD cents per Pref erence Share, converted to 9,491.29145 ZAR cents per Preference Share (using a ZAR/USD exchange rate of 16.7305 as at 08 August 2022) payable to the Preference Shareholders as recorded in the books of Investec Bank (Mauritius) Limited (“the Company”) at the close of business on Friday, 26 August 2022. The relevant dates relating to the payment of dividend number 25 are as follows: Last day to trade cum-dividend Tuesday, 23 August 2022 Pref erence Shares commence trading ex- Wednesday, 24 August 2022 dividend Record Date Friday, 26 August 2022 Payment Date Wednesday, 31 August 2022 Pref erence Share certif icates may not be dematerialised or rematerialised between Wednesday, 24 August 2022 and Friday, 26 August 2022, both dates inclusive. Additional information to take note of: • The Company’s tax reference number: 25003203 • The number of issued Preference Shares in Class IMRP4 of the capital of the Company is 23 000 Pref erence Shares • The dividend paid by the Company is a f oreign 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 1,898.25829 ZAR cents per Preference Share • Pref erence Shareholders who are exempt f rom paying the Dividend Tax will receive a gross dividend of 9,491.29145 ZAR cents per Preference Share • Pref erence Shareholders who are not exempt f rom paying the Dividend Tax will receive a net dividend of 7,593.03316 ZAR cents per Preference Share. By order of the board P Jeewooth Company Secretary Investec Bank (Mauritius) Limited 08 August 2022 Sponsor: Investec Bank Limited