Investec Bank (Mauritius) Limited Incorporated in the Republic of Mauritius Company Registration number 8752/3362 Business Registration number C09008752 JSE Share Code: IMRP7 JSE Issuer Code: IVES ISIN: MU0455S00065 LEI Number: 213800VEN92NOOOJF520 Preference share dividend announcement Class IMRP7 redeemable cumulative non-participating no par value preference shares (“preference shares”) Declaration of dividend number 23 Notice is hereby given that preference dividend number 23 has been declared from retained earnings for the period from 31 August 2022 to and including 29 November 2022 amounting to 789.69506 USD cents per share, converted to 14,081.44746 ZAR cents per share (using a ZAR/USD exchange rate of 17.8315 as at 08 November 2022) 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, 25 November 2022. The relevant dates relating to the payment of dividend number 23 are as follows: Last day to trade cum-dividend Tuesday, 22 November 2022 Preference Shares commence trading ex- Wednesday, 23 November 2022 dividend Record Date Friday, 25 November 2022 Payment Date Wednesday, 30 November 2022 Preference Share certificates may not be dematerialised or rematerialised between Wednesday, 23 November 2022 and Friday, 25 November 2022, both dates inclusive. Additional information to take note of: • The Company’s tax reference number is: 25003203 • The number of issued Preference Shares in Class IMRP7of the capital of the Company is 75 000 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 2,816.28949 ZAR cents per share • Preference Shareholders who are exempt from paying the Dividend Tax will receive a gross dividend of14,081.44746 ZAR cents per preference share • Preference Shareholders who are not exempt from paying the Dividend Tax will receive a net dividend of 11,265.15797 ZAR cents per preference share. By order of the board P Jeewooth Company Secretary Investec Bank (Mauritius) Limited 08 November 2022 Sponsor: Investec Bank Limited