Investec Bank (Mauritius) Limited Incorporated in the Republic of Mauritius Company Registration number 8752/3362 Business Registration number C09008752 JSE Share Code: IMRP1 JSE Issuer Share Code: IVES ISIN: MU0455S00008 LEI Number: 213800VEN92NOOOJF520 Preference share dividend announcement Class IMRP1 redeemable cumulative non-participating unsecured listed no par value preference shares (“Preference Shares”) Declaration of dividend number 20 Notice is hereby given that preference dividend number 20 has been declared from retained earnings for the period from 28 February 2023 to and including 30 May 2023 amounting to 452.25462 EUR cents per Preference Share, converted to 9,154.53802 ZAR cents per Preference Share (using a ZAR/EUR exchange rate of 20.242 as at 09 May 2023) payable to Preference Shareholders as recorded in the books of Investec Bank (Mauritius) Limited (“the Company”) as at the close of business on Friday, 26 May 2023. The relevant dates relating to the payment of the dividend number 20 are as follows: Last day to trade cum-dividend Tuesday, 23 May 2023 Preference Shares commence trading ex- Wednesday, 24 May 2023 dividend Record date Friday, 26 May 2023 Payment date Wednesday, 31 May 2023 Preference Share certificates may not be dematerialised or rematerialised between Wednesday, 24 May 2023 and Friday, 26 May 2023, both dates inclusive. Additional information to take note of: • The Company’s tax reference number: 25003203 • The number of issued Preference Shares in Class IMRP1 of the capital of the Company is 50 000 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 1,830.90760 ZAR cents per share • Preference Shareholders who are exempt from paying the Dividends Tax will receive a gross dividend of 9,154.53802 ZAR cents per Preference Share • Preference Shareholders who are not exempt from paying the Dividends Tax will receive a net dividend of 7,323.63042 ZAR cents per Preference Share. By order of the board P Jeewooth Company Secretary Investec Bank (Mauritius) Limited 09 May 2023 Sponsor: Investec Bank Limited