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 (IBM or the Bank) NOTIFICATION OF AMENDMENTS TO THE APPLICABLE PRICING SUPPLEMENT OF THE IMRP5 REDEEMABLE UNSECURED LISTED PROGRAMME PREFERENCE SHARES ISSUED BY INVESTEC BANK (MAURITIUS) LIMITED Pursuant to paragraph 6.56(b)(iv) of the Debt Listings Requirements, notice was given to Programme Preference Shareholders of the IMRP5 Preference Shares in relation to the amendments to the IMRP5 applicable pricing supplement, under its ZAR6,000,000,000 Medium Term Note and Preference Share Programme Memorandum. The proposed amendments to the terms of the Preference Shares are as follows: (i) the insertion of the words “With effect from the Amendment Date, being 28 July 2023, this…” at the beginning of the first paragraph of the Applicable Pricing Supplement; (ii) amending all references to “Applicable Pricing Supplement” to refer to “Amended and Restated Applicable Pricing Supplement”; (iii) the deletion of the words “and London” in clause 20; (iv) the deletion of clause 24 of the Applicable Pricing Supplement and the insertion of a new clause 24 as follows: “24. Final Redemption Date: 31 August 2026 subject to adjustment in accordance with the Modified Following Business Day Convention” (v) the deletion of clause 28 of the Applicable Pricing Supplement and the insertion of a new clause 28 as follows: “28. Ex Date(s): 2 (two) Business Days prior to a Record Date” (vi) the deletion of clause 36(a) and the insertion of a new clause 36(a) as follows: “36(a) Dividend Rate(s): Prior to the Amendment Date, a Dividend Rate of 3 month USD LIBOR (as defined in item 64 below) plus 1%, and with effect from and including the Amendment Date, the Dividend Rate shall reset and will be the Reference Rate plus the Margin, all as determined by the Calculation Agent based on the rate that was published on the applicable Dividend Rate Determination Date” (vii) the deletion of clause 38 of the Applicable Pricing Supplement and the insertion of a new clause 38 as follows: “38 Margin 1.04%” (viii) the deletion of the whole clause 40 and the insertion of a new clause 40 as follows: “40 If Screen Rate Determination Applicable (a) Reference Rate (including relevant period by reference to which the Dividend Rate is to be calculated): Term SOFR (as defined in item 64 below) (b) Dividend Rate Determination Date(s): two (2) Business Days before the first day of the Dividend Period (c) Relevant Screen page and Reference Code: CME Term SOFR 3 Month published on Bloomberg page TSFR3M Index (d) Relevant Time 6:00.am New York City time (ix) the deletion of the definition of “Dividend Declaration Date” in clause 64 of the Applicable Pricing Supplement and the insertion of a new definition as follows: “Dividend Declaration Date” the date that is 13 Business Days prior to the applicable Record Date;” (x) the insertion of additional definitions and terms and conditions in clause 64 of the Applicable Pricing Supplement as follows: “Amendment Date” means 28 July 2023. "SOFR" means the secured overnight financing rate (SOFR) administered by the Federal Reserve Bank of New York (or any other person which takes over the administration of that rate) published (before any correction, recalculation or republication by the administrator) by the Federal Reserve Bank of New York (or any other person which takes over the publication of that rate). If, for whatever reason, Term SOFR is not published on the rate setting date as stated above, then the rate used will be that as published by the relevant administrator/website for the first preceding Business Day, for which such rate was published on such administrator’s website so long as such first preceding Business Day is not more than five (5) Business Days prior to the rate setting date; “Term SOFR” means, in relation to a Dividend Period, the forward-looking term SOFR administered by CME Group Benchmark Administration Limited (or any other person which takes over the administration of that rate) for a period of 3 months, as published by CME Group Benchmark Administration Limited (or any other person which takes over the publication of that rate) as of 6:00 a.m. (New York City time) on the relevant Dividend Rate Determination Date (before any correction, recalculation or republication by the administrator); By order of the board P Jeewooth Company Secretary Investec Bank (Mauritius) Limited 03 July 2023 Sponsor: Investec Bank Limited